{"id":3403,"date":"2020-11-09T10:23:46","date_gmt":"2020-11-09T10:23:46","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=3403"},"modified":"2026-04-28T10:41:47","modified_gmt":"2026-04-28T10:41:47","slug":"expired-tinuvin-770-can-be-used-in-polypropylene","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/expired-tinuvin-770-can-be-used-in-polypropylene\/","title":{"rendered":"\ub9cc\ub8cc\ub41c \uc790\uc678\uc120 \uc548\uc815\uc81c(\ud2f0\ub204\ube48 770)\ub97c \ud3f4\ub9ac\ud504\ub85c\ud544\ub80c\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uc5f0\uad6c \uacb0\uacfc \ubc1c\ud45c"},"content":{"rendered":"<h4 class=\"wp-block-heading\">\ud3f4\ub9ac\uba38\uc758 \ubd84\uc790\ub7c9\uc774 \ub192\uae30 \ub54c\ubb38\uc5d0 \ud3f4\ub9ac\uba38\uc758 \ubd84\uc790\ub7c9\uc5d0 \ubcc0\ud654\ub97c \uc77c\uc73c\ud0a4\ub294 \ubaa8\ub4e0 \uac83\uc744 \ud3f4\ub9ac\uba38 \uc5f4\ud654\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc218\ub9ce\uc740 \uc694\uc778 \uc911 \uc790\uc678\uc120\uc740 \ud3f4\ub9ac\uba38 \uc5f4\ud654\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc694\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc0b0\uc18c\uc640 \ube5b\uc5d0 \uc758\ud574 \uc720\ub3c4\ub418\ub294 \ud50c\ub77c\uc2a4\ud2f1\uc758 \uc5f4\ud654\ub97c \ubc29\uc9c0\ud558\ub294 \uac83\uc740 \uae30\uc220\uc801, \uacbd\uc81c\uc801\uc73c\ub85c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud2b9\ud788 \uad6c\uc870\uc6a9 \uc18c\uc7ac\ub85c \uc0ac\uc6a9\ub418\ub294 \uc678\ubd80 \uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624\uc758 \uc0b0\uc5c5\uc6a9 \ud50c\ub77c\uc2a4\ud2f1\uc5d0\ub294 \ucca8\uac00\uc81c\uac00 \ud544\uc694\ud558\uba70, \uc628\ub3c4\uc640 \ube5b\uc758 \uc601\ud5a5\uc5d0 \ub300\ud574 \ud50c\ub77c\uc2a4\ud2f1\uc758 \ud3f4\ub9ac\uba38 \uc548\uc815\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. HALS\uc758 \uc77c\ubc18\uc801\uc778 \uc81c\uc870 \ubc29\ubc95\uc740 2,2,6,6-\ud14c\ud2b8\ub77c\uba54\ud2f8 \ud53c\ud398\ub9ac\ub518 \ub610\ub294 1,2,2,6,6-\ud39c\ud0c0\uba54\ud2f8 \ud53c\ud398\ub9ac\ub518\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. HALS\ub294 \ub77c\ub514\uce7c \uc190\uc0c1 \ubc0f \uc0b0\ud654 \ub3c5\uc131\uc73c\ub85c \uc778\ud55c \uad11\ubd84\ud574\ub85c\ubd80\ud130 \ud574\ub2f9 \ubb3c\uc9c8\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \ub9ce\uc740 \uc218\uc9c0\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> For antioxidant, UV absorber, and HALS topics, formulators usually compare long-term protection, process stability, and color control together because those priorities do not always point to the same additive.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image-2.png\" alt=\"\" class=\"wp-image-4638\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-770-tinuvin-770-cas-52829-07-9\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>\ud2f0\ub204\ube48 770<\/strong><\/span><\/a> \ub294 \ud3f4\ub9ac\uba38\uc758 \uc548\uc815\ud654\ub97c \uc704\ud574 \uc0ac\uc6a9\ud558\ub294 \uad11\uc548\uc815\uc81c\uc785\ub2c8\ub2e4. \ud3f4\ub9ac\uba38, \ud2b9\ud788 \ud3f4\ub9ac\ud504\ub85c\ud544\ub80c\uc744 \uc790\uc678\uc120\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uace0 \ub0a0\uc528\uc640 \ud587\ube5b\uc5d0 \ub178\ucd9c\ub418\uc5b4 \uae30\uacc4\uc801, \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc744 \uc783\ub294 \ud3f4\ub9ac\uba38\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2f0\ub204\ube48 770\uc740 HALS\uc5d0 \uc18d\ud558\uba70 \uad11\uc548\uc815\uc81c\ub85c\uc11c PE(\ud3f4\ub9ac\uc5d0\ud2f8\ub80c), PP(\ud3f4\ub9ac\ud504\ub85c\ud544\ub80c), \ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8, \ud3f4\ub9ac\uc6b0\ub808\ud0c4, PS(\ud3f4\ub9ac\uc2a4\ud2f0\ub80c), PA(\ud3f4\ub9ac\uc544\ubbf8\ub4dc), \ud3f4\ub9ac\uc544\uc138\ud0c8 \ubc0f \uc544\ud06c\ub9b4\ub85c\ub2c8\ud2b8\ub9b4 \ud3f4\ub9ac\uba38 \ub4f1 \ub9ce\uc740 \ud3f4\ub9ac\uba38\uc5d0 \uc804 \uc138\uacc4\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud2f0\ub204\ube48 770\uc758 \ud654\ud559\uba85\uc740 \ube44\uc2a4(2,2,6,6-\ud14c\ud2b8\ub77c\uba54\ud2f8-4-\ud53c\ud398\ub9ac\ub514\ub2d0) \uc138\ubc14\ucea3\uc785\ub2c8\ub2e4. \uac74\uc870\ud55c \uc870\uac74\uc5d0\uc11c Tinuvin 770\uc740 \uc9c1\uc0ac\uad11\uc120 \ubc0f \uc0b0\uc131 \uc870\uac74\uc5d0\uc11c \ud3f4\ub9ac\uba38\uc758 \ubd84\ud574 \ubc0f \ubd84\ud574\uc5d0 \uc800\ud56d\ud558\ub294 \ub192\uc740 \uc548\uc815\uc131\uacfc \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image-1.png\" alt=\"\" class=\"wp-image-4637\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uadf8\ub7ec\ub098 \ubaa8\ub4e0 \uc81c\ud488\uc774 \uc801\uc2dc\uc5d0 \uc18c\ube44 \ub420 \uc218\uc788\ub294 \uac83\uc740 \uc544\ub2c8\uba70 \ub9cc\ub8cc \ub41c Tinuvin 770\uc774 \ub9ce\uc774 \uc0dd\uc0b0\ub429\ub2c8\ub2e4. \uc11d\uc720 \ud654\ud559 \uc0b0\uc5c5\uc758 \uacbd\uc81c\uc801 \uc808\uac10\uacfc \ud658\uacbd \uce5c\ud654\uc801 \uc778\uba74\uc5d0\uc11c \ub9cc\ub8cc \ub41c Tinuvin 770\uc744 \uc0ac\uc6a9\ud560 \uc218\uc788\ub294 \uac00\ub2a5\uc131\uc744 \uc870\uc0ac\ud558\ub294 \uc5f0\uad6c\uc5d0\uc8fc\uc758\ub97c \uae30\uc6b8\uc774\uc2ed\uc2dc\uc624. \ud3f4\ub9ac\uba38\uc5d0 \uc5ec\uc804\ud788 \uc720\ud6a8\ud558\ub2e4\uba74 \uc218\uc2ed \uac00\uc9c0 \ub3c5\uc131 \ud654\ud559 \ubb3c\uc9c8\uc744 \ud658\uacbd\uc5d0 \ubc84\ub9ac\ub294 \ub9cc\ub8cc \ub41c \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\ub294 \uae30\uc874 \ubc29\ubc95\uc744 \ub300\uccb4 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\ub97c \ud568\uaed8 \uc77d\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image.png\" alt=\"\" class=\"wp-image-4636\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uc774 \uc5f0\uad6c\uc5d0 \ucc38\uc5ec\ud55c \uc5f0\uad6c\uc6d0\ub4e4\uc740 \uac19\uc740 \uacf5\uc7a5\uc5d0\uc11c \uc0dd\uc0b0\ub41c \uc720\ud1b5\uae30\ud55c\uc774 \uc9c0\ub09c \ud2f0\ub204\ube48 770\uacfc \uc720\ud1b5\uae30\ud55c\uc774 \uc9c0\ub098\uc9c0 \uc54a\uc740 \ud2f0\ub204\ube48 770(\ud45c\uc900 \uc0d8\ud50c\uc774\ub77c\uace0\ub3c4 \ud568)\uc744 \ubaa8\ub450 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc9c4\uc740 \ucc98\uc74c\uc5d0 \ub450 \uc0d8\ud50c\uc758 \ub179\ub294\uc810\uc774 \ub2e4\ub978\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc720\ud1b5\uae30\ud55c\uc774 \uc9c0\ub09c \uc0d8\ud50c\uacfc \ud45c\uc900 \uc0d8\ud50c\uc758 DSC\ub97c \ud14c\uc2a4\ud2b8\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub9bc 1\uacfc 2\uc758 \uace1\uc120\uc740 \uac00\uc5f4 \uc0c1\ud669\uc5d0\uc11c \uc2dc\ub8cc\uc758 \ubb34\uac8c\uac00 \uc904\uc5b4\ub4dc\ub294 \uac83\uc744 \ubc18\uc601\ud558\ub294 DSC \uace1\uc120\uc785\ub2c8\ub2e4. \uc2dc\ub8cc\uac00 \ub179\uc73c\uba74 \uace1\uc120\uc758 \ud53c\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc81c\uacf5\ud55c \ubb3c\uc9c8\uc548\uc804\ubcf4\uac74\uc790\ub8cc(MSDS)\uc5d0\ub294 Tinuvin 770\uc758 \uc735\uc810\uc774 81~86\u00b0C\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 \ud45c\uc900 \uc0d8\ud50c\uc758 \ub179\ub294 \uc628\ub3c4\ub294 85.92\u00b0C\uc774\uace0 \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc740 85.54\u00b0C \uc774\ud558\uc5d0\uc11c \ub179\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc774 \ub450 \uac12\uc740 \ubaa8\ub450 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uace0 \ub9e4\uc6b0 \uadfc\uc811\ud558\uc5ec \ub450 \uc0d8\ud50c\uc758 \uc5f4\uc801 \ud2b9\uc131\uc774 \uc720\uc0ac\ud558\uba70, \uc989 \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc5d0\uc11c \uc6a9\uc735 \uc628\ub3c4 \ubcc0\ud654\ub97c \uc8fc\ub3c4\ud560 \uc218 \uc788\ub294 \uc5f4\ud654\uac00 \uc77c\uc5b4\ub098\uc9c0 \uc54a\uc558\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1030\" height=\"725\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1-1030x725.png\" alt=\"\" class=\"wp-image-3405\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1-1030x725.png 1030w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1-300x211.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1-768x541.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1-600x423.png 600w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/1.png 1116w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 1: \ud45c\uc900 Tinuvin 770\uc758 DSC \uace1\uc120.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1369\" height=\"893\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2-1030x672.png\" alt=\"\" class=\"wp-image-3406\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2-1030x672.png 1030w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2-300x196.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2-768x501.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2-600x391.png 600w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/2.png 1369w\" sizes=\"(max-width: 1369px) 100vw, 1369px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 2: Expierd Tinuvin 770\uc758 DSC \uace1\uc120.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\ub9cc\ub8cc\ub41c Tinuvin 770\uacfc \ud45c\uc900 \uc0d8\ud50c\uc740 \ubaa8\ub450 \uc801\uc678\uc120 \ubd84\uad11\uae30\ub85c FT-IR \uc2a4\ud399\ud2b8\ub7fc\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. \uadf8\ub9bc 3\uc5d0\uc11c \ud45c\uc900 \uc0d8\ud50c\uc758 FT-IR \uc2a4\ud399\ud2b8\ub7fc\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac \ubaa8\ub450 \uc54c\ub2e4\uc2dc\ud53c \uce74\ub974\ubcf4\ub2d0\uae30\ub294 1660-1850 cm \ubc94\uc704\uc5d0\uc11c IR \ud761\uc218\ub97c \ud569\ub2c8\ub2e4.<sup>-1<\/sup>\uc2a4\ud399\ud2b8\ub7fc\uc740 1721cm\uc5d0 \ud574\ub2f9\ud558\ub294 \ud53c\ud06c\uac00 \uc788\uc2b5\ub2c8\ub2e4.<sup>-1<\/sup>&nbsp;\ud45c\uc900 \uc2dc\ub8cc\uc758 \ud0c4\uc18c\uae30 \uc874\uc7ac\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uadf8\ub9ac\uace0 N-H \uacb0\ud569\uc740 \uc778\uc7a5 \ud761\uc218, \uad7d\ud798 \ud761\uc218 \ubc0f \uc2dc\ud2b8 \uc678 \uad7d\ud798 \ud761\uc218\uac00 \uac01\uac01 3300~3500cm\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4.<sup>-1<\/sup>, 1500 cm<sup>-1<\/sup>&nbsp;\ubc0f 800cm<sup>-1<\/sup>. N-H \uacb0\ud569\uc758 \uc9c4\ub3d9 \ubaa8\ub4dc\uc5d0 \uc18d\ud558\ub294 \ubaa8\ub4e0 \ud53c\ud06c\ub294 3323 cm\uc758 \uc2a4\ud399\ud2b8\ub7fc\uc5d0\uc11c \uad00\ucc30\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<sup>-1<\/sup>, 3423 cm<sup>-1<\/sup>, 1500 cm<sup>-1<\/sup>&nbsp;793cm<sup>-1<\/sup>. \uc2a4\ud399\ud2b8\ub7fc\uc744 \ubcf4\uba74 \uba54\ud2f8\ub80c\uae30\uc758 \uad7d\ud798 \ud761\uc218 \ud53c\ud06c(CH<sub>3<\/sub>) 1378cm<sup>-1<\/sup>&nbsp;\uc758 \uad7d\ud798 \ud761\uc218 \ud53c\ud06c\uc640 \uba54\ud2f8\uae30(CH<sub>2<\/sub>) 739cm\uc758 \uae34 \uccb4\uc778<sup>-1<\/sup>&nbsp;\ub3c4 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"773\" height=\"630\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/3.png\" alt=\"\" class=\"wp-image-3407\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/3.png 773w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/3-300x245.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/3-768x626.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/3-600x489.png 600w\" sizes=\"(max-width: 773px) 100vw, 773px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 3: \ud45c\uc900 Tinuvin 770\uc758 FT-IR \uc2a4\ud399\ud2b8\ub7fc<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\ub9cc\ub8cc\ub41c Tinuvin770 \uc0d8\ud50c\uc744 \ubd84\uc11d\ud558\uc5ec \uc5bb\uc740 FT-IR \uc2a4\ud399\ud2b8\ub7fc\uc740 \uadf8\ub9bc 4\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4. \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc740 \ub610\ud55c 1721 cm\uc758 FT-IR \uc2a4\ud399\ud2b8\ub7fc\uc5d0\uc11c \ud574\ub2f9 IR \ud761\uc218 \ud53c\ud06c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<sup>-1<\/sup>&nbsp;\ub97c \uce74\ub974\ubcf4\ub2d0\uae30\ub85c \uc804\ud658\ud569\ub2c8\ub2e4. N-H \uc778\uc7a5 \ud761\uc218\uc5d0 \ud574\ub2f9\ud558\ub294 \ud53c\ud06c\ub294 3300-3500cm \ubc94\uc704\uc758 \ub450 \uac1c\uc758 \ub113\uc740 \ud53c\ud06c\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<sup>-1<\/sup>&nbsp;3323cm\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<sup>-1<\/sup>&nbsp;\ubc0f 3423 cm<sup>-1<\/sup>&nbsp;\uac00 \ub098\ud0c0\ub0ac\uace0, 1500cm\uc5d0\uc11c N-H \uad7d\ud798 \ud761\uc218\uac00<sup>-1<\/sup>&nbsp;\uac00 \ub0ae\uc740 \ud53c\ud06c\ub85c \uad00\ucc30\ub429\ub2c8\ub2e4. \uc2dc\ud2b8 \uad7d\ud798 \ud761\uc218 \uc911 N-H\uac00 800cm \uadfc\ucc98\uc5d0\uc11c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<sup>-1<\/sup>\ub294 793cm\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<sup>-1<\/sup>&nbsp;\uac00 \uad00\ucc30\ub429\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uba54\ud2f8\ub80c\uae30\uc758 \uad7d\ud798 \ud761\uc218 \ud53c\ud06c(CH<sub>3<\/sub>) 1378cm<sup>-1<\/sup>&nbsp;\uc758 \uad7d\ud798 \ud761\uc218 \ud53c\ud06c\uc640 \uba54\ud2f8\uae30(CH<sub>2<\/sub>) 739cm\uc758 \uae34 \uccb4\uc778<sup>-1<\/sup>&nbsp;\uac00 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image-3.png\" alt=\"\" class=\"wp-image-4639\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\ud2f0\ub204\ube48 770\uc758 \uc720\ud1b5\uae30\ud55c \ub9cc\ub8cc \uc2dc\ub8cc\uc640 \ud45c\uc900 \uc2dc\ub8cc\uc758 FT-IR \uc2a4\ud399\ud2b8\ub7fc \uacb0\uacfc\ub97c \ube44\uad50\ud55c \uacb0\uacfc, \ub450 \uc2a4\ud399\ud2b8\ub7fc\uc774 \ud558\ub098\uc758 \ud654\ud569\ubb3c\uacfc \uad00\ub828\uc774 \uc788\uc73c\uba70, \uc774 \uc2dc\ub8cc\uc5d0\uc11c\ub294 \uc720\ud1b5\uae30\ud55c \ub9cc\ub8cc\ub85c \uc778\ud55c \uc5f4\ud654 \ubc0f \ubcc0\ud654\uac00 \uc77c\uc5b4\ub098\uc9c0 \uc54a\uc558\ub2e4\ub294 \uacb0\ub860\uc744 \uc5bb\uc5c8\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc FT-IR \uc2a4\ud399\ud2b8\ub7fc\uc73c\ub85c\ub294 \ub2e4\ub978 \uc131\ubd84\uc758 \uc591\uc744 \ud655\uc778\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ub2e4\ub978 \ub3d9\uc815 \uc2e4\ud5d8\uacfc \uc815\ub7c9\uc801 \ubd84\uc11d \ubc29\ubc95\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"808\" height=\"653\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/4.png\" alt=\"\" class=\"wp-image-3408\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/4.png 808w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/4-300x242.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/4-768x621.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/4-600x485.png 600w\" sizes=\"(max-width: 808px) 100vw, 808px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 4 Tinuvin770 \uc0d8\ud50c\uc758 FT-IR \uc2a4\ud399\ud2b8\ub7fc.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">UV-VIS \ubd84\uad11\uad11\ub3c4\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub450 \uc0d8\ud50c\uc758 UV\ub97c \uc2a4\uce94\ud558\uace0 \ub450 \uc0d8\ud50c\uc758 \ud761\uc218 \ubc94\uc704\uac00 \uc11c\ub85c \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc6d0\ub4e4\uc740 \ud45c\uc900 \uc0d8\ud50c\uacfc \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc758 UV-VIS(\uac00\uc2dc\uad11\uc120-\uc790\uc678\uc120) \uc2a4\ud399\ud2b8\ub7fc\uc744 \ud14c\uc2a4\ud2b8\ud558\uace0 \uc989\uc2dc \ube44\uad50\ud588\uc2b5\ub2c8\ub2e4. UV-VIS \uc2a4\ud399\ud2b8\ub7fc\uc740 \ud30c\uc7a5(nm)\uc5d0 \ub300\ud55c \ud761\uad11\ub3c4 \ubc29\uc2dd\uc73c\ub85c \uae30\ub85d\ub429\ub2c8\ub2e4. \uba54\ud0c4\uc62c\uc744 \uc6a9\ub9e4\ub85c \uc0ac\uc6a9\ud55c \uc2e4\ud5d8\uc73c\ub85c \uc778\ud574 800nm\uc5d0\uc11c 200nm \uc0ac\uc774\uc5d0\ub294 \uc790\uc678\uc120 \ud761\uad11\ub3c4\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc9c0\uae08\uae4c\uc9c0 \ud14c\uc2a4\ud2b8 \ud30c\uc7a5 \ubc94\uc704\ub294 \ud761\uc218 \ucc28\ub2e8\uc810\uc774\ub77c\uace0 \ubd88\ub9ac\ub294 205nm\uae4c\uc9c0\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0ac\uc6a9\ub41c \uc2dc\ub8cc\uc758 \uc790\uc678\uc120 \ud761\uad11\ub3c4\ub294 \uc2a4\ud399\ud2b8\ub7fc\uc5d0\uc11c \uad00\ucc30\ub41c \ud53c\ud06c\uc640 \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \uc2dc\ub8cc\uc758 UV \uc2a4\ud399\ud2b8\ub7fc\uc740 \uadf8\ub9bc 5\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4. \ud2f0\ub204\ube48 770 \uad6c\uc870\uc5d0\ub294 \uce74\ub974\ubcf4\ub2d0 \ubc1c\uc0c9\ub2e8(C=O)\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0\uc18c \ubc0f \uc9c8\uc18c\uc640 \uac19\uc740 \uc6d0\uc790\ub97c \ud3ec\ud568\ud558\ub294 \ubd88\ud3ec\ud654 \ud654\ud569\ubb3c\uc758 \uce74\ub974\ubcf4\ub2d0\uae30\ub294 \ub2e4\uc74c\uc5d0\uc11c \uc804\uc774\ub429\ub2c8\ub2e4. <em>n <\/em>\u2192 <em>\u03c0<\/em>280~290nm\uc758 \u2217 \uc720\ud615\uc740 \uc774\ub7ec\ud55c \uc804\uc774 \uc911 \uc0c1\ub2f9\uc218\uac00 \uae08\uc9c0\ub41c \uc804\uc774\uc774\uae30 \ub54c\ubb38\uc5d0 \ud53c\ud06c \uac15\ub3c4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4. \ud2f0\ub204\ube48 770\uc758 \ud45c\uc900 \uc2dc\ub8cc\ub294 280-290nm \uc601\uc5ed\uc5d0\uc11c \ud761\ucc29\uc774 \uc800\uc870\ud558\uace0 270nm\uc5d0\uc11c \ud761\ucc29\uc774 \uc99d\uac00\ud558\uae30 \uc2dc\uc791\ud558\uc5ec 250nm\uc5d0\uc11c \ucd5c\ub300\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4. \uadf8\ub9bc 6\uc740 \ub9cc\ub8cc\ub41c \ud2f0\ub204\ube48 770 \uc0d8\ud50c\uc758 UV \uc2a4\ud399\ud2b8\ub7fc\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image-4.png\" alt=\"\" class=\"wp-image-4640\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\ud45c\uc900 \uc2dc\ub8cc\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub9cc\ub8cc\ub41c \uc2dc\ub8cc Tinuvin 770\uc758 \uce74\ub974\ubcf4\ub2d0 \ubc1c\uc0c9\ub2e8(C=O)\uc758 \ud574\ub2f9 \ud53c\ud06c\ub294 280 - 290nm \uc601\uc5ed\uc5d0\uc11c \uc57d\ud588\uace0 270nm\ubd80\ud130 \uc99d\uac00\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \uc815\uc0c1 \ud53c\ud06c\ub294 250nm\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4. \uacb0\ub860\uc801\uc73c\ub85c \uc720\ud6a8\uae30\uac04\uc774 \ub9cc\ub8cc\ub41c \uc2dc\ub8cc\uc5d0\uc11c\ub294 \ubc1c\uc0c9\ub2e8\uc758 \ubcc0\ud654\uac00 \uc77c\uc5b4\ub098\uc9c0 \uc54a\uc558\uc73c\uba70, \uc989 \ub450 \uc2dc\ub8cc\ub294 \ub3d9\uc77c\ud55c \ud761\uad11\ub3c4\ub97c \uac00\uc9c0\uba70 \uc8fc\uc131\ubd84\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"893\" height=\"619\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/5.png\" alt=\"\" class=\"wp-image-3409\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/5.png 893w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/5-300x208.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/5-768x532.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/5-600x416.png 600w\" sizes=\"(max-width: 893px) 100vw, 893px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 5 \ud45c\uc900 Tinuvin770\uc758 UV-VIS \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub7a8.<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1030\" height=\"647\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6-1030x647.png\" alt=\"\" class=\"wp-image-3410\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6-1030x647.png 1030w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6-300x188.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6-768x482.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6-600x377.png 600w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/6.png 1069w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 6 \ub9cc\ub8cc\ub41c Tinuvin770\uc758 UV-VIS \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub7a8.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub7f0 \ub2e4\uc74c \uc5f0\uad6c\uc6d0\ub4e4\uc740 \ud45c\uc900 \uc0d8\ud50c\uacfc \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc744 \uc544\uc138\ud1a0\ub2c8\ud2b8\ub9b4\uc5d0 \uc6a9\ud574\ud558\uc5ec 200ppm \uc6a9\uc561\uc744 \ud615\uc131\ud55c \ub2e4\uc74c \ubd84\uc11d\uc744 \uc704\ud574 HPLC-UV \uae30\uae30\ub85c \uc5f0\uacb0\ud588\uc2b5\ub2c8\ub2e4. \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub7a8\uc5d0 \ub530\ub974\uba74 \uccb4\ub958 \uc2dc\uac04\uc740 \uc8fc\uc785 \ud6c4 \ucd5c\uace0 \ud53c\ud06c\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0\uc758 \uac04\uaca9 \uc2dc\uac04\uc778 5.4\ubd84\uc785\ub2c8\ub2e4. \ubb3c\uc9c8 \ud53c\ud06c\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc720\uc9c0 \uc2dc\uac04\uc774 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130\uc785\ub2c8\ub2e4. \ub610\ud55c HPLC-UV\ub294 \uac01 \ud53c\ud06c \uc544\ub798\uc758 \uba74\uc801\uc744 \uacc4\uc0b0\ud558\uc5ec \uc2dd\ubcc4\uc758 \uc815\ub7c9\uc801 \uacc4\uc0b0\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud761\uc218 \ubc34\ub4dc\ub77c\uace0\ub3c4 \ud558\ub294 \uac01 \ud53c\ud06c \uc544\ub798\uc758 \uc548\uc815\uc131 \uc2dc\uc2a4\ud15c \uc801\ubd84\uae30\uc5d0 \uc758\ud574 \uacb0\uc815\ub418\ub294 \uba74\uc801\uc740 \uc5f0\uad6c\ub41c \uc2dc\uc2a4\ud15c\uc758 \uc131\ubd84 \uc591\uc5d0 \ube44\ub840\ud569\ub2c8\ub2e4. \ud45c\uc900 \uc2dc\ub8cc\uc640 \uc720\ud6a8 \uae30\uac04\uc774 \ub9cc\ub8cc\ub41c Tinuvin 770\uc758 \uccb4\ub958 \uc2dc\uac04\uc740 \ubaa8\ub450 5.4\ubd84\uc73c\ub85c, \uc720\ud6a8 \uae30\uac04\uc774 \ub9cc\ub8cc\ub41c \uc2dc\ub8cc\uc758 \ud488\uc9c8\uc774 \uc800\ud558\ub418\uc9c0 \uc54a\uc558\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uadf8\ub9bc 7\uc5d0\uc11c \uace1\uc120\uc740 \ud45c\uc900 \uc0d8\ud50c\uacfc \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc744 4\ud68c \uc8fc\uc785\ud558\uc5ec \uc5bb\uc740 \ud53c\ud06c \uba74\uc801\uc758 \uc591\uc785\ub2c8\ub2e4. \ub450 \uace1\uc120 \uc0ac\uc774\uc5d0\ub294 \uc57d\uac04\uc758 \ucc28\uc774\uac00 \uc788\ub294\ub370, \uc774\ub294 \uc2b5\ub3c4 \ubcc0\ud654 \ub610\ub294 \uc2dc\ub8cc\uc758 \uc591\uc774 \ub9ce\uae30 \ub54c\ubb38\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uc0d8\ud50c\uc758 \ubcf4\uc874 \uc2dc\uac04\uc740 \ub9e4\uc6b0 \ube44\uc2b7\ud558\uba70, \uc774\ub294 \ub9cc\ub8cc\ub41c \uc0d8\ud50c\uc774 \uc544\uc9c1 \ubd84\ud574\ub418\uc9c0 \uc54a\uc558\ub2e4\ub294 \uc99d\uac70\uc785\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"810\" height=\"478\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/7.png\" alt=\"\" class=\"wp-image-3411\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/7.png 810w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/7-300x177.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/7-768x453.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/7-600x354.png 600w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 7: HPLC-UV\uc5d0\uc11c \ub450 \uc2dc\ub8cc\uc758 \uace1\uc120 \uc544\ub798 \uba74\uc801 \ube44\uad50<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\uc5f0\uad6c\uc9c4\uc740 \ub610\ud55c \ub450 \uc0d8\ud50c\uc758 GC-MS(\uc9c8\ub7c9 \ubd84\uc11d\uae30\uc640 \uacb0\ud569\ub41c \uac00\uc2a4 \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub798\ud53c) \uc2a4\ud399\ud2b8\ub7fc\uc744 \ud14c\uc2a4\ud2b8\ud558\uc5ec \uc11c\ub85c \ub2e4\ub978 \uc131\ubd84\uc744 \ubd84\ub9ac\ud558\uace0 \ub2e4\ub978 \uc131\ubd84\uc744 \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0d8\ud50c\uc744 \uc561\uc0c1\uc73c\ub85c \uc6a9\ud574\ud558\uace0 \uae30\ud654 \ucc54\ubc84\uc5d0 \uc18c\ub7c9\uc744 \ucd94\uac00\ud558\uc5ec \uae30\uccb4 \uc0c1\ud0dc\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \uae30\uccb4 \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub798\ud53c\ub294 \uc561\uccb4 \uace0\uc815\uc0c1\uc774 \ubd88\ud65c\uc131 \uace0\uccb4 \ud45c\uba74\uc5d0 \ud761\ucc29\ud558\ub294 \uace0\uc815 \ubaa8\uc138\uad00 \uceec\ub7fc\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae30\uccb4 \uc0c1\uc5d0\uc11c \ub2e4\ub978 \ub0b4\uc6a9\ubb3c\uc744 \ubd84\ub9ac\ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc9c8\ub7c9 \ubd84\uc11d\uae30\ub294 \uc774\ub7ec\ud55c \ub2e4\uc591\ud55c \ub0b4\uc6a9\ubb3c\uc744 \ud14c\uc2a4\ud2b8\ud558\uc5ec \uc2dd\ubcc4\ud569\ub2c8\ub2e4. HPLC-UV \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub7a8\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c GC-MS \ud06c\ub85c\ub9c8\ud1a0\uadf8\ub7a8\ub3c4 \ub2e4\ub978 \ud53c\ud06c \uc544\ub798\uc758 \uba74\uc801\uc744 \uc138\uc5b4 \uc5f0\uad6c\ub41c \ud654\ud569\ubb3c\uc758 \ub18d\ub3c4\ub97c \uad6c\ud558\uace0 \uccb4\ub958 \uc2dc\uac04\uc744 \ube44\uad50\ud558\uc5ec \uc870\uc131\uc744 \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9cc\ub8cc \ub41c \uc0d8\ud50c\uacfc Tinuvin 770\uc758 \ud45c\uc900 \uc0d8\ud50c\uc758 \uc720\uc9c0 \uc2dc\uac04 \ucc28\uc774\ub294 0.1 \ubd84 \ubbf8\ub9cc\uc774\uba70 \uc774\ub294 \uae30\uae30 \uc624\ub958\ub85c \uc778\ud574 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 HPLC-UV\uc758 \uacb0\uacfc\uc640 \uc77c\uce58\ud569\ub2c8\ub2e4. GC-MS \uacb0\uacfc \ub370\uc774\ud130\ub294 \uadf8\ub9bc 8\uc5d0 \ube44\uad50\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"750\" height=\"434\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/8.png\" alt=\"\" class=\"wp-image-3412\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/8.png 750w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/8-300x174.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/11\/8-600x347.png 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\uadf8\ub9bc 8: \ud53c\ud06c \ud2f0\ub204\ube48 770\uc5d0\uc11c GC-MS \uc601\uc5ed \ube44\uad50<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\uc5f0\uad6c \uacb0\uacfc, \uc720\ud1b5\uae30\ud55c\uc774 \uc9c0\ub09c \uad11\uc548\uc815\uc81c \ud2f0\ub204\ube48770\uc740 \uc2b5\ub3c4, \uc774\uc628\ud654 \ubc29\uc0ac\uc120 \ubc0f \uace0\uc628(\uc555\ucd9c\uae30 \uc2dc\uc2a4\ud15c \uc628\ub3c4 \uc774\uc0c1)\uc744 \ud53c\ud558\uace0 \uc54c\uce7c\ub9ac\uc131 \ud654\ud569\ubb3c\uc774\uae30 \ub54c\ubb38\uc5d0 \uc801\uc808\ud55c \uc870\uac74\uc5d0\uc11c \uc790\uc720 \uc0b0\uc131 \ud658\uacbd\uc5d0 \ubcf4\uad00\ud574\uc57c \ud55c\ub2e4\ub294 \uacb0\ub860\uc744 \ub0b4\ub838\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc870\uac74\uc744 \ucda9\uc871\ud55c \ud6c4\uc5d0\ub3c4 \ub9cc\ub8cc\ub41c Tinuvin 770\uc740 \uad6c\uc870\uc640 \uae30\ub2a5\uc801 \ud2b9\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c PP \ub4f1\uc758 \ud3f4\ub9ac\uba38\uc5d0 \uc548\uc815\ud654\ub97c \uc704\ud574 \uacc4\uc18d \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/06\/image-5.png\" alt=\"\" class=\"wp-image-4641\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ub3d9\uc77c \uc2dc\ub9ac\uc988 \uc81c\ud488<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/hals-119-light-stabilizer-119-chimassorb-119\/\">HALS 119 \/ \uad11\uc548\uc815\uc81c 119 \/ \ud0a4\ub9c8\uc18c\ube0c 119<\/a><\/td><td>106990-43-6<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">\ud560\uc2a4 123 \/ \uad11\uc548\uc815\uc81c 123 \/ \ud2f0\ub204\ube48 123<\/a><\/td><td>129757-67-1<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-622-tinuvin-622-cas-65447-77-0\/\">HALS 622 \/ \uad11\uc548\uc815\uc81c 622 \/ \ud2f0\ub204\ube48 622<\/a><\/td><td>65447-77-0<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-622-tinuvin-622-cas-65447-77-0\/\">HALS 770 \/ \ub77c\uc774\ud2b8 \uc2a4\ud0dc\ube4c\ub77c\uc774\uc800 770 \/ \ud2f0\ub204\ube48 770<\/a><\/td><td>52829-07-9<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/uv-light-stabilizer-783-tinuvin-783\/\">HALS 783 \/ UV \uad11\uc548\uc815\uc81c 783 \/ \ud2f0\ub204\ube48 783<\/a><\/td><td>&nbsp;<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-791-tinuvin-791\/\">HALS 791 \/ \uad11\uc548\uc815\uc81c 791 \/ \ud2f0\ub204\ube48 791<\/a><\/td><td>&nbsp;<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-944-cas-70624-18-9\/\">HALS 944 \uad11\uc548\uc815\uc81c-944 CHIMASORB 944<\/a><\/td><td>70624-18-9 \/ 71878-19-8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\uc9c0\uae08 \ubb38\uc758\ud558\uc138\uc694!<\/strong><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>COA, MSDS \ub610\ub294 TDS\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uc544\ub798 \uc591\uc2dd\uc5d0 \uc5f0\ub77d\ucc98 \uc815\ubcf4\ub97c \uae30\uc785\ud574 \uc8fc\uc2dc\uba74 \ubcf4\ud1b5 24\uc2dc\uac04 \uc774\ub0b4\uc5d0 \uc5f0\ub77d\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/strong> \uc800\uc5d0\uac8c \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\uc154\ub3c4 \ub429\ub2c8\ub2e4. <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a> \uadfc\ubb34 \uc2dc\uac04(\uc624\uc804 8\uc2dc 30\ubd84~\uc624\ud6c4 6\uc2dc, \uc6d4~\ud1a0\uc694\uc77c)\uc5d0 \ubb38\uc758\ud558\uac70\ub098 \uc6f9\uc0ac\uc774\ud2b8 \ub77c\uc774\ube0c \ucc44\ud305\uc744 \uc774\uc6a9\ud558\uba74 \uc2e0\uc18d\ud558\uac8c \ub2f5\ubcc0\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\uc774 \uae30\uc0ac\ub294 \ub871\ucc3d\ucf00\ubbf8\uce7c R&amp;D \ubd80\uc11c\uc5d0\uc11c \uc791\uc131\ud588\uc2b5\ub2c8\ub2e4. \ubcf5\uc0ac \ubc0f \uc7ac\uc778\uc1c4\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \ucd9c\ucc98\ub97c \ud45c\uc2dc\ud574 \uc8fc\uc138\uc694.<\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>How buyers usually evaluate antioxidants and stabilizers<\/h2>\n<p>Most stabilizer decisions work best when they are treated as package decisions rather than single-product decisions. Technical buyers usually get the strongest answer by reviewing long-term heat aging, process stability, weather exposure, and color sensitivity together.<\/p>\n<ul>\n<li><strong>Separate processing protection from long-term stability:<\/strong> the best additive for melt history is not always the same one that gives the best service-life retention.<\/li>\n<li><strong>Use synergy deliberately:<\/strong> many polymer and coating systems perform best when primary and secondary stabilizers are paired intentionally.<\/li>\n<li><strong>Review color and clarity requirements:<\/strong> clear, pale, food-contact, or white systems often need a tighter package than dark industrial products.<\/li>\n<li><strong>Check the real aging condition:<\/strong> heat, UV, humidity, and outdoor exposure can each change which stabilizer route is commercially strongest.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a>:<\/strong> A widely used primary antioxidant benchmark for long-term thermal stability.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> A practical process-stability reference when hydroperoxide control matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> A practical stabilizer-package reference when broader light-aging protection is needed.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are stabilizer packages often stronger than a single additive?<\/strong><br \/>Because different products can protect different parts of the degradation pathway, so the package often covers more risk than one grade alone.<\/p>\n<p><strong>Does adding more antioxidant or UV stabilizer always improve performance?<\/strong><br \/>Not necessarily. Over-dosing can increase cost and sometimes create side effects, so most systems perform best inside a tested dosage window.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Properties of polymers due to their high molecular weight, and anything causing a change in the molecular weight of the polymers are called polymer degradation. Among the numerous factors, UV<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-3403","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study shows that expired ultraviolet stabilizer (Tinuvin 770) can be used in polypropylene - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Properties of polymers due to their high molecular weight, and anything causing a change in the molecular weight of the polymers are called polymer degr...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/ko\/expired-tinuvin-770-can-be-used-in-polypropylene\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study shows that expired ultraviolet stabilizer (Tinuvin 770) can be used in polypropylene - 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