{"id":5435,"date":"2022-08-05T13:30:37","date_gmt":"2022-08-05T13:30:37","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5435"},"modified":"2026-04-28T10:42:05","modified_gmt":"2026-04-28T10:42:05","slug":"structure-principle-of-action-and-common-types-of-hals","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/structure-principle-of-action-and-common-types-of-hals\/","title":{"rendered":"\ubc29\ud574 \uc544\ubbfc \uad11\uc548\uc815\uc81c(HALS)\uc758 \uad6c\uc870, \uc791\uc6a9 \uc6d0\ub9ac \ubc0f \uc77c\ubc18\uc801\uc778 \uc720\ud615"},"content":{"rendered":"<h1><strong>\ubc29\ud574 \uc544\ubbfc \uad11\uc548\uc815\uc81c(HALS)\uc758 \uad6c\uc870, \uc791\uc6a9 \uc6d0\ub9ac \ubc0f \uc77c\ubc18\uc801\uc778 \uc720\ud615<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\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<p><!-- lc-qa-end --><\/p>\n<p>In practical weatherability packages, a common combination is <a href=\"https:\/\/longchangchemical.com\/ko\/product\/uv-384-2\/\">UV \ud761\uc218\uae30 384-2<\/a> together with <a href=\"https:\/\/longchangchemical.com\/ko\/product\/light-stabilizer-292\/\">\uad11 \uc548\uc815\uc81c 292<\/a> to balance UV screening and radical scavenging.<\/p>\n<p>\uc790\uc720 \ub77c\ub514\uce7c \ud2b8\ub798\ud551\uc81c\uc758 \uae30\ub2a5\uc740 \uc8fc\ub85c \uc54c\ud0ac \ub77c\ub514\uce7c, \uc54c\ucf55\uc2dc \ub77c\ub514\uce7c, \ud37c\uc625\uc2dc \ub77c\ub514\uce7c \ub4f1 \ucf54\ud305\uc758 \uad11\ub178\ud654 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc790\uc720 \ub77c\ub514\uce7c\uc744 \ud3ec\uc9d1\ud558\uc5ec \uc720\uae30 \ud3f4\ub9ac\uba38\uc5d0\uc11c \uc774\ub7ec\ud55c \ubc18\uc751\uae30\uc758 \ucd94\uac00 \uc0b0\ud654\uc801 \uc190\uc0c1\uc744 \ucc28\ub2e8\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc790\uc720 \ub77c\ub514\uce7c \ud2b8\ub798\ud551 \uc81c\uc5d0\ub294 \ubc29\ud574 \ud398\ub180 \uad11\uc548\uc815\uc81c\uc640 \ubc29\ud574 \uc544\ubbfc \uad11\uc548\uc815\uc81c(HALS) \ub450 \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uc790\ub294 \ud398\ub180 \uad6c\uc870\ub85c \uc790\uc720 \ub77c\ub514\uce7c \uc911\ud569\uc5d0 \ucc28\ub2e8 \ud6a8\uacfc\uac00\uc788\uc744 \uc218 \uc788\uc73c\uba70, \uad11 \uc548\uc815\ud654 \ud6a8\uacfc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc29\ud574 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\ub9cc\ud07c \uc88b\uc9c0 \uc54a\uc73c\uba70 \ud56d\uc0b0\ud654\uc81c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ubc29\ud574 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\ub294 \uace0\ud6a8\uc728 \uad11 \uc548\uc815\uc81c\uc758 \ud55c \uc885\ub958\uc774\uba70 \ud604\uc7ac \ud3f4\ub9ac\uba38 \uc7ac\ub8cc\uc758 \uad11 \ub178\ud654 \ubc29\uc9c0 \uacf5\uc815\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uad11 \uc548\uc815\uc81c \uc911 \ud558\ub098\uc774\uba70, \uc885\uc885 \ud3f4\ub9ac\uba38 \uad11 \uc0b0\ud654 \ud3ec\ud68d, \ub77c\ub514\uce7c\uc758 \ubd84\ud574 \uacfc\uc815 \ubc0f \uc54c\ud0ac \uacfc\uc0b0\ud654\uc218\uc18c\uc758 \ubd84\ud574, \ubc84\uc2a4\ud2b8 \uc5ec\uae30 \uc0c1\ud0dc \uc5d0\ub108\uc9c0 \ubc0f \uae30\ud0c0 \ubc29\ubc95\uc744 \ud1b5\ud574 \ud3f4\ub9ac\uba38\uc758 \uad11 \uc548\uc815\ud654 \ubaa9\uc801\uc744 \ub2ec\uc131\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud55c \ud3f4\ub9ac\uba38 \uad11 \uc548\uc815\ud654\ub97c \ucd09\uc9c4\ud558\uc9c0\ub9cc \ud604\uc7ac \uad11 \uacbd\ud654 \ucf54\ud305\uc5d0\uc11c \uc77c\ubc18\uc801\uc774\uace0 \ud6a8\uc728\uc801\uc778 \uad11 \uc548\uc815\uc81c\uc774\uae30\ub3c4\ud569\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>\uad6c\uc870\uc801\uc73c\ub85c \ubc29\ud574 \uc544\ubbfc\uc5d0\ub294 \ud53c\ud398\ub9ac\ub518 \uacc4\uc5f4, \uc774\ubbf8\ub2e4\uc878\ub9ac\ub514\ub17c \uacc4\uc5f4, \uc544\uc81c\ud2f0\ub514\ub17c \uacc4\uc5f4 \ubc0f \uae30\ud0c0 \uc720\ub3c4\uccb4\uac00 \uc788\uc73c\uba70, \uadf8 \uc911 2,2,6,6-\ud14c\ud2b8\ub77c\uba54\ud2f8\ud53c\ud398\ub9ac\ub518\uacfc \uadf8 \uce58\ud658 \uc720\ub3c4\uccb4 \uacc4\uc5f4\uc774 \uc9c0\ubc30\uc801\uc774\uba70 \uae30\ubcf8 \uad6c\uc870\ub294 \uc67c\ucabd \uadf8\ub9bc (a)\uc640 (b)\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>HALS\uc758 \ub2e4\uc591\ud55c \uad6c\uc870 \uc911 N-H \uad6c\uc870\uc640 N- \uba54\ud2f8 \uce58\ud658 \uc720\ub3c4\uccb4\uac00 \uc77c\ubc18\uc801\uc774\uba70 N \uc544\uc138\ud2f8 \uc720\ub3c4\uccb4\ub294 \uc131\ub2a5\uc774 \uc88b\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud14c\ud2b8\ub77c \uba54\ud2f8 \ud53c\ud398\ub9ac\ub518 \uad6c\uc870\ub294 \uacf5\uc561 \uad6c\uc870\uc640 \ubc1c\uc0c9\uae30\uac00\uc5c6\uace0 250nm \uc774\uc0c1\uc758 \ud30c\uc7a5\uc744 \uac00\uc9c4 \ube5b\uc744 \ud761\uc218\ud558\uc9c0 \uc54a\uc73c\uba70 \uc790\uc678\uc120 \ud761\uc218\uc81c \ubc0f \uc5ec\uae30 \uc0c1\ud0dc \ud30c\uc5f4 \uc81c\uc758 \ud2b9\uc131\uc744 \uac16\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc67c\ucabd \uadf8\ub9bc\uacfc \uac19\uc774 \uad11\uc548\uc815\ud654 \uba54\ucee4\ub2c8\uc998\uc740 \ub9e4\uc6b0 \ubcf5\uc7a1\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc67c\ucabd \uc704\uc758 (c)\uc640 \uac19\uc774 \ud3f4\ub9ac\uba38\uc758 \uad11\uc548\uc815\ud654\uc5d0 \uc2e4\uc81c\ub85c \uc9c1\uc811\uc801\uc778 \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc740 \ubc29\ud574 \uc544\ubbfc \uc9c8\uc18c-\uc0b0\uc18c \ub77c\ub514\uce7c\uc774\ub77c\uace0 \uc5ec\uaca8\uc9d1\ub2c8\ub2e4. HALS\ub294 \ud65c\uc131 \uad11\uc548\uc815 \uad6c\uc870\uc758 \uc804\uad6c\uccb4\uc77c \ubfd0\uc774\uba70, \uad11\uc0b0\ud654 \uc870\uac74\uc5d0\uc11c\ub294 \uc624\uc874, \uc5ec\uae30\ub41c \ub2e8\uc77c \uc0c1\ud0dc \uc0b0\uc18c \ubd84\uc790 \uacfc\uc0b0\ud654\uc218\uc18c, \ud398\ub85d\uc2e4 \ub77c\ub514\uce7c \ubc0f \uc54c\ud0ac \uacfc\uc0b0\ud654\uc218\uc18c\uc640 \uac19\uc740 \uc0b0\ud654 \uc885\ub4e4\uc774 \ud3f4\ub9ac\uba38\uc5d0 \ubc18\ub4dc\uc2dc \uc874\uc7ac\ud558\uac70\ub098 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uc67c\ucabd \uc704 (a)\uc640 (b)\uc5d0 \ud45c\uc2dc\ub41c \ud14c\ud2b8\ub77c\uba54\ud2f8\ud53c\ud398\ub9ac\ub518 \uad6c\uc870\ub294 \uc774\ub7ec\ud55c \ubc18\uc751\uc131 \uc885\uc5d0 \uc758\ud574 \uc0b0\ud654\ub418\uae30 \uc26c\uc6b4 \uc9c8\uc18c-\uc0b0\uc18c \ub77c\ub514\uce7c \uad6c\uc870\ub85c \uc67c\ucabd \uc704 (c)\uc5d0\uc11c\uc640 \uac19\uc774 \uc0b0\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\uc0b0\ud654\uc9c8\uc18c \ub77c\ub514\uce7c \uad6c\uc870\ub294 \ube44\uad50\uc801 \uc548\uc815\uc801\uc778 \ub77c\ub514\uce7c\ub85c, \uae30\uc874 \uc870\uac74\uc5d0\uc11c \ubd84\ub9ac \ubc0f \uc815\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>HALS \uc9c8\uc18c-\uc0b0\uc18c \ub77c\ub514\uce7c\uc740 \uad11\ub178\ud654 \uacfc\uc815\uc5d0\uc11c \uc0dd\uc131\ub418\ub294 \uc790\uc720 \ub77c\ub514\uce7c\uc744 \ud3ec\ucc29\ud558\uc5ec \ucd94\uac00\uc801\uc778 \uc720\ud574\ud55c \ubc18\uc751\uc744 \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud6a8\uacfc\uc758 \uac1c\ub7b5\ub3c4\ub294 \uc704\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uad11\ub178\ud654\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uc5f0\uc1c4 \ub77c\ub514\uce7c\uc740 \uacbd\ud654\ub41c \ud544\ub984 \ub0b4\uc758 \uc0b0\uc18c \ubd84\uc790\uc640 \uc0c1\ud638 \uc791\uc6a9\ud558\uc5ec \uacfc\uc0b0\ud654 \ub77c\ub514\uce7c\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc989 \uc9c8\uc18c-\uc0b0\uc18c \ub77c\ub514\uce7c\uacfc \uc0b0\uc18c \ubd84\uc790\uac00 \uc5f0\uc1c4 \ub77c\ub514\uce7c\uc5d0 \uacb0\ud569\ud558\uae30 \uc704\ud574 \uacbd\uc7c1\ud558\uace0 \uc0b0\uc18c \ubd84\uc790\uc640 \ud0c4\uc18c \uc911\uc2ec \ub77c\ub514\uce7c \uc0ac\uc774\uc758 \uacb0\ud569 \ubc18\uc751\uc740 \uc18d\ub3c4 \uc0c1\uc218\uc5d0 \uc758\ud574 \uc57d\uac04 \uc9c0\ubc30\ub429\ub2c8\ub2e4. \ub2e4\ud589\ud788\ub3c4 \uace0\uccb4 \ud3f4\ub9ac\uba38 \ud544\ub984, \ud2b9\ud788 \uac00\uad50 \ud3f4\ub9ac\uba38 \ucf54\ud305 \ub0b4\uc5d0\uc11c\ub294 \uc0b0\uc18c \ubd84\uc790\uc758 \ud655\uc0b0\uc774 \uc81c\ud55c\ub418\uace0 \ud544\ub984 \ub0b4 \uc0b0\uc18c \ubd84\uc790\uc758 \ub18d\ub3c4\uac00 \uc9c8\uc18c \uc0b0\uc18c \ub77c\ub514\uce7c\uc758 \ub18d\ub3c4\ubcf4\ub2e4 \ud6e8\uc52c \ub0ae\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc9c8\uc18c-\uc0b0\uc18c \ub77c\ub514\uce7c\uc740 \uc5f0\uc1c4 \ub77c\ub514\uce7c\uc5d0 \ub300\ud55c \ud3d0\uc1c4 \ubc18\uc751\uc5d0\uc11c \uc0c1\ub300\uc801\uc73c\ub85c \uc6b0\uc138\ud569\ub2c8\ub2e4. \ub2c8\ud2b8\ub85d\uc2e4 \ub77c\ub514\uce7c\uc740 \ucc98\uc74c\uc5d0\ub294 \ud3f4\ub9ac\uba38 \uc0ac\uc2ac \ub77c\ub514\uce7c\ub9cc \ud3ec\ud68d\ud558\uc5ec NOR\ub85c \ud45c\uc2dc\ub418\ub294 \ubc29\ud574\ub41c \ud53c\ud398\ub9ac\ub518 \uc0b0\uc18c \ubc00\ubd09 \ud3f4\ub9ac\uba38 \uc0ac\uc2ac \uc138\uadf8\uba3c\ud2b8\ub97c \ud615\uc131\ud558\uba70, \uc774\ub294 \ud3f4\ub9ac\uba38 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uad11\ub178\ud654\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uacfc\uc0b0\ud654 \ub77c\ub514\uce7c\uacfc \uacc4\uc18d \uc0c1\ud638 \uc791\uc6a9\ud558\uc5ec \uacfc\uc0b0\ud654 \ub77c\ub514\uce7c\uc744 \uc18c\ube44\ud558\uace0 \ud65c\uc131 \ub2c8\ud2b8\ub85d\uc2e4 \ub77c\ub514\uce7c\uacfc \ubc29\ud574\ub41c \uc544\ubbfc \uad6c\uc870\ub97c \ub3d9\uc2dc\uc5d0 \uc7ac\uc0dd\ud558\uc5ec HALS\uc758 \uc120\uc21c\ud658\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c HALS\uac00 \uad11\uc548\uc815\ud654 \ud6a8\uacfc\ub97c \ubc1c\ud718\ud558\ub294 \uc8fc\uc694 \uba54\ucee4\ub2c8\uc998\uc77c \uac83\uc785\ub2c8\ub2e4. \uc67c\ucabd \uc704\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>HALS\ub294 \ub9ce\uc740 \ub4f1\uae09\uc758 \ubc29\ud574 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\uac00 \uac1c\ubc1c\ub418\uc5c8\uc73c\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \uad11 \uc548\uc815\uc81c\uac00 \uc9c0\ubc30\uc801 \uc778 \uc704\uce58\ub97c \ucc28\uc9c0\ud558\uace0 \uc788\uc73c\uba70, \uc544\ubbfc\uc758 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 HALS\ub294 \ud2b9\uc815 \uc54c\uce7c\ub9ac\uc131, \uc0b0 \uc591\uc131\uc790\ud654\ub97c \ub098\ud0c0\ub0b4\uba70 \uc9c8\uc18c \uc0b0\uc18c \ub77c\ub514\uce7c \ud65c\uc131\uc73c\ub85c\uc758 \uc804\ud658\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc54c\uce7c\ub9ac\ub3c4\uac00 \ub192\uc740 HALS\ub294 \uc0b0 \ub610\ub294 \uc0b0 \ucd09\ub9e4 \ucf54\ud305 \uc81c\ud615\uc5d0 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548\ub418\uba70 \ud560\ub85c\uac90 \ud568\uc720 \ub09c\uc5f0 \ucf54\ud305\uc5d0\ub3c4 \uc720\uc0ac\ud55c \ubb38\uc81c\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4. HALS\uc758 \uad6c\uc870\ub294 \uc0b0\ub3c4\uc640 \uc54c\uce7c\ub9ac\ub3c4\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \uad6c\uc870\uc640 \uc0b0\ub3c4 \uac04\uc758 \uad00\uacc4\ub294 \uc544\ub798 \ud45c\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>N- \uc54c\ud0ac\ud654 \ubc29\ud574 \uc544\ubbfc(N-CH3)\uc758 \uc54c\uce7c\ub9ac\uc131\uc740 \uc774\ucc28 \uc544\ubbfc \uad6c\uc870(N-H)\uc758 \ubc29\ud574 \uc544\ubbfc\ubcf4\ub2e4 \uc57d\uac04 \uc57d\ud558\uba70, \ud788\ub4dc\ub85d\uc2e4\uc544\ubbfc \uad6c\uc870, O- \uc54c\ud0ac\ud654 \ud788\ub4dc\ub85d\uc2e4\uc544\ubbfc \uad6c\uc870 \ubc0f \uc544\uc138\ud2f8\ud654 \ubc29\ud574 \uc544\ubbfc \uacc4\uc5f4 \uc720\uae30\uccb4\ub294 \uc57d\uac04\uc758 \uc57d\uc0b0\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ubc29\ud574 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\uc758 \uc5fc\uae30\uc131\uc744 \uc904\uc774\uba74\uc11c \ubc18\uc751\uc131\uacfc \uac19\uc740 \uc694\uc778\ub3c4 \uace0\ub824\ud574\uc57c\ud569\ub2c8\ub2e4. \uc801\uc6a9 \uad00\uc810\uc5d0\uc11c \ubcfc \ub54c, \uc57d \uc54c\uce7c\ub9ac\uc131 \ubc29\ud574 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \ub9ce\uc740 O- \uc54c\ud0ac\ud654 \ud788\ub4dc \ub85d\uc2e4 \uc544\ubbfc \uad6c\uc870\uc640 \uc544\uc138\ud2f8\ud654 \ubc29\ud574 \uc544\ubbfc \uc720\ub3c4\uccb4\uc774\uba70, \uc774\ub7ec\ud55c HALS\ub294 \uc0b0\uc131 \ud658\uacbd \ucf54\ud305 \uc81c\ud615\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for antioxidant, UV absorber, and HALS packages<\/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\/hema-monomer-cas-868-77-9\/\">CHLUMICRYL HEMA<\/a>:<\/strong> A well-known polar monomer reference in adhesion- and reactivity-driven systems.<\/li>\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<\/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<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The function of free radical trapping agents is mainly to capture the free radicals generated during the photoaging of coatings, including alkyl radicals, alkoxy radicals, peroxy radicals, etc., and block<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5435","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>Structure, principle of action and common types of hindered amine light stabilizers (HALS) - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The function of free radical trapping agents is mainly to capture the free radicals generated during the photoaging of coatings, including alkyl radical...\" \/>\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\/structure-principle-of-action-and-common-types-of-hals\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Structure, principle of action and common types of hindered amine light stabilizers (HALS) - 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