{"id":6852,"date":"2024-04-22T07:28:15","date_gmt":"2024-04-22T07:28:15","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6852"},"modified":"2024-04-22T07:28:15","modified_gmt":"2024-04-22T07:28:15","slug":"how-to-solve-the-problem-of-discolouration-of-produced-plastic-products","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/how-to-solve-the-problem-of-discolouration-of-produced-plastic-products\/","title":{"rendered":"\uc0dd\uc0b0\ub41c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc758 \ubcc0\uc0c9 \ubb38\uc81c\ub97c \uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub098\uc694?"},"content":{"rendered":"

\uc0dd\uc0b0\ub41c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc758 \ubcc0\uc0c9 \ubb38\uc81c\ub97c \uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub098\uc694?<\/strong><\/h1>\n

\uceec\ub7ec \ud30c\uc6b0\ub354 \ub610\ub294 \ub9c8\uc2a4\ud130 \ubc30\uce58\uc640 \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc5d0 \ucc29\uc0c9\ud560 \uacbd\uc6b0 \uc0c9\uc0c1 \ubcc0\ud654 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc81c\ud488\uc758 \ud488\uc9c8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc0c9\uc0c1 \ubcc0\uacbd\uc758 \uac00\ub2a5\ud55c \uc6d0\uc778:<\/p>\n

(1) \uace0\uc628 \uc131\ud615 \uc911 \uae30\ubcf8 \uc218\uc9c0\uc758 \uc0b0\ud654\uc801 \ubd84\ud574\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4;<\/p>\n

(2) \ubca0\uc774\uc2a4\uc640 \ubcf4\uc870\uc81c \ub610\ub294 \ubca0\uc774\uc2a4\uc640 \ucc29\uc0c9 \uc548\ub8cc \ub610\ub294 \ubcf4\uc870\uc81c\uc640 \uc548\ub8cc\uc640 \uac19\uc740 \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc758 \uc77c\ubd80 \uad6c\uc131 \uc694\uc18c \uac04\uc758 \ud654\ud559 \ubc18\uc751\uc73c\ub85c \uc778\ud574;<\/p>\n

(3) \uace0\uc628\uc5d0 \uacac\ub514\uc9c0 \ubabb\ud558\ub294 \ucc29\uc0c9 \uc548\ub8cc \ub610\ub294 \ucca8\uac00\uc81c \ub4f1\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc74c\uc740 \uc774\ub7ec\ud55c \uc694\uc778\uc73c\ub85c \uc778\ud55c \uc0c9\uc0c1 \ubcc0\ud654 \uba54\ucee4\ub2c8\uc998\uc744 \ubd84\uc11d\ud558\uc5ec \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488 \uc81c\uc870\uc5c5\uccb4\uac00 \uc6d0\ub8cc\ub97c \uc62c\ubc14\ub974\uac8c \uc120\ud0dd\ud558\uace0 \ud488\uc9c8\uc774 \uc6b0\uc218\ud55c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud560 \uc218 \uc788\ub3c4\ub85d \ucc38\uace0\ud560 \uc218 \uc788\ub294 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n

-\ud50c\ub77c\uc2a4\ud2f1 \uc131\ud615 \uacf5\uc815\uc73c\ub85c \uc778\ud55c \uc0c9\uc0c1 \ubcc0\ud654<\/p>\n

1. \uace0\uc628 \uc131\ud615 \uc911 \uae30\ubcf8 \uc218\uc9c0\uc758 \uc0b0\ud654 \ubd84\ud574 \ubc0f \ubcc0\uc0c9.<\/p>\n

\ud50c\ub77c\uc2a4\ud2f1 \uc131\ud615 \uc7a5\ube44\uc758 \uac00\uc5f4 \ub9c1 \ub610\ub294 \uac00\uc5f4 \ud50c\ub808\uc774\ud2b8\uac00 \uc81c\uc5b4\ub418\uc9c0 \uc54a\uace0 \ud56d\uc0c1 \uac00\uc5f4 \uc0c1\ud0dc\uc5d0 \uc788\uc73c\uba74 \uad6d\ubd80 \uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc544\uc838 \uc218\uc9c0\uc758 \uc0b0\ud654 \ubd84\ud574\uac00 \uace0\uc628\uc5d0\uc11c \ubc1c\uc0dd\ud558\uae30 \uc27d\uace0, PVC \ub4f1\uacfc \uac19\uc740 \uc5f4\uc5d0 \ubbfc\uac10\ud55c \ud50c\ub77c\uc2a4\ud2f1\uc758 \uacbd\uc6b0 \uc131\ud615 \uacf5\uc815 \uc911\uc5d0 \uc774\ub7ec\ud55c \ud604\uc0c1\uc774 \ub098\ud0c0\ub0a0 \uac00\ub2a5\uc131\uc774 \ub354 \ub192\uc73c\uba70 \uc2ec\uac01\ud558\uba74 \ud0c0\uc11c \ub178\ub780\uc0c9\uc73c\ub85c \ubcc0\ud558\uac70\ub098 \uc2ec\uc9c0\uc5b4 \uac80\uac8c \ubcc0\ud558\uace0 \ub9ce\uc740 \uc218\uc758 \uc800 \ubd84\uc790 \ud718\ubc1c\uc131 \ubb3c\uc9c8\uc774 \ube60\uc838 \ub098\uac00\ub294 \uac83\uc744 \ub3d9\ubc18\ud569\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \ubd84\ud574\uc5d0\ub294 \ud574\uc911\ud569, \ubb34\uc791\uc704 \uc0ac\uc2ac \ub04a\uae30, \uacc1\uc0ac\uc2ac \ubc0f \uc800\ubd84\uc790 \uc81c\uac70 \ubc0f \uae30\ud0c0 \ubc18\uc751\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

(1) \ud574\uc911\ud569<\/p>\n

\ud574\uc911\ud569 \ubc18\uc751\uc740 \uba3c\uc800 \ud734\uc2dd\uc758 \ub05d\uc5d0\uc788\ub294 \uac70\ub300 \ubd84\uc790\uc5d0\uc11c \uba3c\uc800 \ub2e8\ub7c9\uccb4\ub97c \uc2e0\uc18d\ud558\uac8c \uc81c\uac70\ud558\uae30 \uc704\ud574 \uccb4\uc778 \uba54\ucee4\ub2c8\uc998\uc5d0 \ub530\ub77c \ud2b9\ud788 \uc218\ud589\ud558\uae30 \uc26c\uc6b4 \uc628\ub3c4 \uc0c1\ud55c \uc774\uc0c1\uc758 \uc911\ud569\uc5d0\uc11c \ub2e8\ub7c9\uccb4\ub97c \uc2e0\uc18d\ud558\uac8c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

(2) \ubb34\uc791\uc704 \uccb4\uc778 \ub04a\uae40(\uc131\ub2a5 \uc800\ud558)<\/p>\n

\uace0\uc628 \uc131\ud615\uc5d0\uc11c PE \ubc0f \uae30\ud0c0 \ud3f4\ub9ac\uba38\uc640 \uac19\uc740 \ud3f4\ub9ac\uba38\uc758 \uacbd\uc6b0 \uc8fc\uc1c4\uac00 \uc5b4\ub290 \uc704\uce58\uc5d0\uc11c\ub098 \ub04a\uc5b4 \uc9c8 \uc218 \uc788\uc73c\uba70 \ubd84\uc790\ub7c9\uc740 \ube60\ub974\uac8c \uac10\uc18c\ud558\uc9c0\ub9cc \ubaa8\ub178\uba38 \uc218\uc728\uc740 \ub9e4\uc6b0 \uc791\uc73c\uba70 \uc774\ub7ec\ud55c \uc885\ub958\uc758 \ubc18\uc751\uc744 \ubb34\uc791\uc704 \uc0ac\uc2ac \ud30c\uad34\ub77c\uace0\ud558\uba70 \ub54c\ub85c\ub294 \ubd84\ud574\ub77c\uace0\ub3c4\ud558\uba70 \uc790\uc720 \ub77c\ub514\uce7c \ud615\uc131\uc758 \ud3f4\ub9ac\uc5d0\ud2f8\ub80c \uc0ac\uc2ac \ud30c\uad34\ub294 \ub9e4\uc6b0 \ud65c\ubc1c\ud558\uba70 \ub9ce\uc740 \uc218\uc758 2 \ucc28 \uc218\uc18c\ub85c \ub458\ub7ec\uc2f8\uc5ec \uc0ac\uc2ac \uc804\ub2ec \ubc18\uc751\uc774 \uc27d\uace0 \ubaa8\ub178\uba38 \uc0dd\uc131\uc740 \uac70\uc758 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

(3) \uce58\ud658\uccb4 \uc81c\uac70<\/p>\n

\ud3f4\ub9ac\uc5fc\ud654\ube44\ub2d0, \ud3f4\ub9ac\ube44\ub2d0 \uc544\uc138\ud14c\uc774\ud2b8, \ud3f4\ub9ac\uc544\ud06c\ub9b4\ub85c\ub2c8\ud2b8\ub9b4, \ud3f4\ub9ac\ud50c\ub8e8\uc624\ub85c\uc5d0\ud2f8\ub80c \ub4f1. \uac00\uc5f4\ud558\uba74 \uce58\ud658\uae30\uac00 \uc81c\uac70\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud3f4\ub9ac \uc5fc\ud654 \ube44\ub2d0 (PVC), \uc608\ub97c \ub4e4\uc5b4 180 ~ 200 \u2103 \uc774\ud558\uc758 \uc628\ub3c4\uc5d0\uc11c PVC \uac00\uacf5 \uc131\ud615\uc774\uc9c0\ub9cc \ub354 \ub0ae\uc740 \uc628\ub3c4 (\uc608 : 100 ~ 120 \u2103), \uc989 \ud0c8\uc218\uc18c\ud654 (HCl)\uc758 \uc2dc\uc791, 200 \u2103 \uc8fc\ubcc0\uc758 HCl \uc190\uc2e4\uc774 \ub9e4\uc6b0 \ube60\ub974\uac8c \ubc1c\uc0dd\ud558\uc5ec \ud3f4\ub9ac\uba38\uac00 \uc5b4\ub450\uc6b4 \uc0c9\uc73c\ub85c, \ub0ae\uc740 \uac15\ub3c4\ub85c \uc804\uccb4 \ubc18\uc751\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uac04\ub7b5\ud558\uac8c \uc124\uba85\ub429\ub2c8\ub2e4: ~ ~ CH2CHCICH2CHCl ~ \u2192 \u2192 ~ CH=CHCH=CH \uff5e + 2HCl<\/p>\n

\uc720\ub9ac HCl\uc740 \uc5fc\ud654\uc218\uc18c, \uc5fc\ud654\uc218\uc18c\uc640 \uac19\uc740 \uae08\uc18d \uc5fc\ud654\ubb3c \ubc0f \uc5fc\ud654\ucca0\uc744 \ud615\uc131\ud558\ub294 \uac00\uacf5 \uc7a5\ube44\uc758 \uc81c\uac70\uc5d0 \ucd09\ub9e4 \ud6a8\uacfc\uac00 \uc788\uc73c\uba70 \ucd09\ub9e4 \ucd09\uc9c4 : 3HCl + Fe \u2192 FeCl3 + 3HCl.<\/p>\n

\uc5f4\ucc98\ub9ac \uc2dc PVC\ub294 \uc548\uc815\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \uc2a4\ud14c\uc544\ub9b0\uc0b0\ubc14\ub968, \uc720\uae30\ud2f4, \ub0a9 \ud654\ud569\ubb3c \ub4f1\uacfc \uac19\uc740 \uc0b0 \ud761\uc218\uc81c\ub97c \uba87 \ud37c\uc13c\ud2b8 \ucca8\uac00\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ud1b5\uc2e0 \ucf00\uc774\ube14\ub85c \ub3c4\uc2dc \ud1b5\uc2e0 \ucf00\uc774\ube14 \uc120\ub85c\ub97c \ucc29\uc0c9\ud560 \ub54c \uad6c\ub9ac \ub3c4\uccb4\uc758 \ud3f4\ub9ac\uc62c\ub808\ud540 \uce35\uc774 \uc798 \uc548\uc815\ud654\ub418\uc9c0 \uc54a\uc73c\uba74 \ud3f4\ub9ac\uba38-\uad6c\ub9ac \uacc4\uba74\uc5d0 \ub179\uc0c9 \uad6c\ub9ac \uce74\ubcf5\uc2e4\ub808\uc774\ud2b8\uac00 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc18\uc751\uc740 \uad6c\ub9ac\uac00 \ud3f4\ub9ac\uba38\ub85c \ud655\uc0b0\ub418\ub294 \uac83\uc744 \ucd09\uc9c4\ud558\uace0 \uad6c\ub9ac\uc758 \ucd09\ub9e4 \uc0b0\ud654\ub97c \uac00\uc18d\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\ub530\ub77c\uc11c \ud3f4\ub9ac\uc62c\ub808\ud540\uc758 \uc0b0\ud654 \ubd84\ud574 \uc18d\ub3c4\ub97c \uc904\uc774\uae30 \uc704\ud574 \uc885\uc885 \ud398\ub180 \ub610\ub294 \ubc29\ud5a5\uc871 \uc544\ubbfc \ud56d\uc0b0\ud654\uc81c (AH)\ub97c \ucca8\uac00\ud558\uace0 \uc704\uc758 \ubc18\uc751\uc744 \uc885\ub8cc\ud558\uace0 \ube44\ud65c\uc131 \ub77c\ub514\uce7c A- : ROO- + AH- \u2192 ROOH + A-\uc758 \ud615\uc131\uc744 \uc885\uacb0\ud569\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

(4) \uc0b0\ud654\uc801 \ubd84\ud574<\/p>\n

\ud3f4\ub9ac\uba38\ub294 \uac00\uacf5 \ubc0f \uc0ac\uc6a9 \uc911\uc5d0 \uacf5\uae30 \uc911\uc758 \uc0b0\uc18c\uc5d0 \ub178\ucd9c\ub418\uba70 \uc5f4\uc744 \ubc1b\uc73c\uba74 \uc0b0\ud654 \ubd84\ud574\uac00 \uac00\uc18d\ud654\ub429\ub2c8\ub2e4.<\/p>\n

\ud3f4\ub9ac\uc62c\ub808\ud540\uc758 \uc5f4 \uc0b0\ud654\ub294 \uc790\uac00 \ucd09\ub9e4 \uc791\uc6a9\uc744 \ud558\ub294 \uc790\uc720 \ub77c\ub514\uce7c \uc5f0\uc1c4 \ubc18\uc751 \uba54\ucee4\ub2c8\uc998\uc5d0 \uc18d\ud558\uba70, \uc2dc\uc791, \uc131\uc7a5 \ubc0f \uc885\ub8cc\uc758 \uc138 \ub2e8\uacc4\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uacfc\uc0b0\ud654\uc218\uc18c\uae30\uc5d0 \uc758\ud55c \uc0ac\uc2ac\uc758 \ub2e8\uc808\uc740 \ubd84\uc790\ub7c9 \uac10\uc18c\ub85c \uc774\uc5b4\uc9c0\uba70, \uc790\uac00\ubd84\ud574 \ubd84\uc5f4\uc758 \uc8fc\uc694 \uc0dd\uc131\ubb3c\uc740 \uc54c\ucf54\uc62c, \uc54c\ub370\ud788\ub4dc, \ucf00\ud1a4\uc774\uba70, \ucd5c\uc885\uc801\uc73c\ub85c \uce74\ub974\ubcf5\uc2e4\uc0b0\uc73c\ub85c \uc0b0\ud654\ub429\ub2c8\ub2e4. \uce74\ub974\ubcf5\uc2e4\uc0b0\uc740 \uae08\uc18d \ucd09\ub9e4\uc5d0 \uc758\ud55c \uc0b0\ud654\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

2. \ud50c\ub77c\uc2a4\ud2f1 \uc131\ud615 \ubc0f \uac00\uacf5 \uc2dc \ucc29\uc0c9\uc81c\ub294 \uace0\uc628 \ub0b4\uc131\uc73c\ub85c \uc778\ud574 \ubd84\ud574 \ubc0f \ubcc0\uc0c9\ub429\ub2c8\ub2e4.<\/p>\n

\ud50c\ub77c\uc2a4\ud2f1 \ucc29\uc0c9\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc548\ub8cc \ub610\ub294 \uc5fc\ub8cc\ub294 \uc628\ub3c4 \uc800\ud56d\uc758 \ud55c\uacc4\uac00 \uc788\uc73c\uba70, \uc628\ub3c4\uac00\uc774 \ud55c\uacc4\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc548\ub8cc \ub610\ub294 \uc5fc\ub8cc\ub294 \ud654\ud559\uc801 \ubcc0\ud654\ub97c \uacaa\uc5b4 \ubc18\uc751 \uacf5\uc2dd\uc774 \ub354 \ubcf5\uc7a1\ud55c \ub2e4\uc591\ud55c \uc800 \ubd84\uc790\ub7c9 \ud654\ud569\ubb3c\uc744 \uc0dd\uc131\ud558\uba70 \uc548\ub8cc\ub9c8\ub2e4 \ubc18\uc751\uacfc \uc81c\ud488\uc774 \ub2e4\ub974\uba70 \ub2e4\ub978 \uc548\ub8cc\uc758 \uc628\ub3c4 \uc800\ud56d\uc740 \uc911\ub7c9 \uac10\uc18c \ubc0f \uae30\ud0c0 \ubd84\uc11d \ubc29\ubc95\uc744 \ud1b5\ud574 \uac10\uc9c0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

-\ucc29\uc0c9\uc81c\uc640 \uc218\uc9c0\uc758 \ubc18\uc751\uc73c\ub85c \uc778\ud55c \uc0c9\uc0c1 \ubcc0\ud654<\/p>\n

\ucc29\uc0c9\uc81c\uc640 \uc218\uc9c0\uc758 \ubc18\uc751\uc740 \uc8fc\ub85c \uac00\uacf5 \ubc0f \uc131\ud615\uc2dc \uc77c\ubd80 \uc548\ub8cc \ub610\ub294 \uc5fc\ub8cc\uc640 \uc218\uc9c0\uc5d0\uc11c \ub098\ud0c0\ub098\uba70, \uc774\ub7ec\ud55c \ud654\ud559 \ubc18\uc751\uc740 \uc0c9\uc0c1\uc758 \ubcc0\ud654\uc640 \ud3f4\ub9ac\uba38\uc758 \uc131\ub2a5 \uc800\ud558\ub85c \uc774\uc5b4\uc838 \uc81c\ud488\uc758 \uc131\ub2a5\uc774 \ubcc0\uacbd\ub429\ub2c8\ub2e4.<\/p>\n

1. \ud658\uc6d0 \ubc18\uc751<\/p>\n

\uc6a9\uc735 \uc0c1\ud0dc\uc758 \ub098\uc77c\ub860 \ubc0f \uc544\ubbf8\ub178 \ud50c\ub77c\uc2a4\ud2f1\uacfc \uac19\uc740 \ud2b9\uc815 \ud3f4\ub9ac\uba38\ub294 \ub9e4\uc6b0 \uac15\ud55c \uc0b0\uc131 \ud658\uc6d0\uc81c\uc774\uba70, \uac00\uacf5 \uc628\ub3c4\uc5d0\uc11c \ub9cc\ub4e4 \uc218\uc788\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc548\uc815\uc801\uc778 \uc548\ub8cc \ub610\ub294 \uc5fc\ub8cc\uac00 \ud1f4\uc0c9\ud558\uae30 \uc704\ud574 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n

2. \uc54c\uce7c\ub9ac \uad50\ud658 \ud6a8\uacfc<\/p>\n

PVC \uc5d0\uba40\uc83c \ud3f4\ub9ac\uba38 \ub610\ub294 \uc77c\ubd80 \uc548\uc815\ud654\ub41c \ud3f4\ub9ac\ud504\ub85c\ud544\ub80c\uc758 \uc54c\uce7c\ub9ac \ud1a0\uae08\uc18d\uc740 \ucc29\uc0c9\uc81c\uc758 \uc54c\uce7c\ub9ac \ud1a0\uae08\uc18d\uacfc '\uc54c\uce7c\ub9ac \uad50\ud658'\uc744 \uc77c\uc73c\ucf1c \uc0c9\uc0c1\uc774 \uccad\uc801\uc0c9\uc5d0\uc11c \uc8fc\ud669\uc0c9\uc73c\ub85c \ubcc0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

PVC \uc5d0\uba40\uc83c \ud3f4\ub9ac\uba38\ub294 \uad50\ubc18 \uc911\ud569 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc720\ud654\uc81c (\uc608 : \ub098\ud2b8\ub968 \ub3c4\ub370\uc2e4 \uc124\ud398\uc774\ud2b8 C12H25SO3Na) \uc218\uc6a9\uc561\uc5d0\uc11c VC\uc774\uba70, \ubc18\uc751\uc740 Na +\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. PP\uc758 \uc5f4 \ubc0f \uc0b0\uc18c \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc885\uc885 1010, DLTDP \ubc0f \uae30\ud0c0 \uc0b0\ud654 \ubc29\uc9c0\uc81c\ub97c \ucca8\uac00\ud558\uace0 \uc0b0\ud654 \ubc29\uc9c0\uc81c 1010\uc740 3,5 a 4 \ud788\ub4dc \ub85d\uc2dc \ud504\ub85c\ud310 \uc0b0 \uba54\ud2f8 \uc5d0\uc2a4\ud14c\ub974\uc640 \ub098\ud2b8\ub968 \ud39c\ud0c0 \uc5d0\ub9ac\ud2b8 \ub9ac\ud1a8 \ucd09\ub9e4 \uc5d0\uc2a4\ud14c\ub974 \uad50\ud658 \ubc18\uc751\uc5d0 \uc758\ud55c 3\ucc28-\ubd80\ud2f8\uc785\ub2c8\ub2e4. DLTDP\ub294 Na2S \uc218\uc6a9\uc561\uacfc \uc544\ud06c\ub9b4\ub85c\ub2c8\ud2b8\ub9b4\uc758 \ubc18\uc751\uc73c\ub85c \ud2f0\uc624\ub514\ud504\ub85c\ud53c\uc624\ub2c8\ud2b8\ub9b4\uc744 \uc81c\uc870\ud558\uace0 \uac00\uc218\ubd84\ud574\ud558\uc5ec \ud2f0\uc624\ub514\ud504\ub85c\ud53c\uc628\uc0b0\uc744 \uc0dd\uc131\ud55c \ud6c4 \ub77c \uc6b0\ub9b4 \uc54c\ucf54\uc62c\ub85c \uc5d0\uc2a4\ud14c\ub974\ud654\ud558\uc5ec \uc81c\uc870\ub418\uba70, \ubc18\uc751\uc5d0\ub294 Na+\ub3c4 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc744 \uc131\ud615\ud560 \ub54c \uc218\uc9c0\uc5d0 \ub0a8\uc544\uc788\ub294 Na+\ub294 \uae08\uc18d \uc774\uc628\uc774 \ud3ec\ud568\ub41c \uc0c9\uc0c1 \uce68\uc804 \uc548\ub8cc(\uc608: C.I. Pigment-Red48:2(BBC \ub610\ub294 2BP))\uc640 \ubc18\uc751\ud569\ub2c8\ub2e4: XCa2++2Na+\u21922XNa++Ca2+.<\/p>\n

3. \uc548\ub8cc\uc640 \ud560\ub85c\uac90\ud654\uc218\uc18c(HX)\uc758 \ubc18\uc751<\/p>\n

PVC\ub294 \uc628\ub3c4\uac00 170\u00b0C\uae4c\uc9c0 \uc62c\ub77c\uac00\uac70\ub098 \ube5b\uc758 \uc791\uc6a9\uc744 \ubc1b\uc73c\uba74 HCI\ub85c \ubd84\ud574\ub418\uc5b4 \uacf5\uc561 \uc774\uc911 \uacb0\ud569\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n

\ud560\ub85c\uac90 \ud568\uc720 \ub09c\uc5f0\uc131 \ud3f4\ub9ac\uc62c\ub808\ud540 \ub610\ub294 \uc720\uc0c9 \ub09c\uc5f0\uc131 \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\ub3c4 \uace0\uc628 \uc131\ud615 \uc2dc \ud0c8\ud560\ub85c\uac90\ud654 \uc218\uc18c HX\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

(1) \uc6b8\ud2b8\ub77c\ub9c8\ub9b0\uacfc HX\uc758 \ubc18\uc751<\/p>\n

\ud50c\ub77c\uc2a4\ud2f1 \ucc29\uc0c9\uc774\ub098 \ud669\uc0c9\uad11 \uc81c\uac70\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uad70\uccad\uc0c9 \uc548\ub8cc\ub294 \uc720\ud669 \ud568\uc720 \ubcf5\ud569\uccb4\uc785\ub2c8\ub2e4.<\/p>\n

(2) \uad6c\ub9ac \uc548\ub8cc\ub294 PVC \uc218\uc9c0\uc758 \uc0b0\ud654 \ubd84\ud574\ub97c \uac00\uc18d\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\uad6c\ub9ac \uc548\ub8cc\ub294 \uace0\uc628\uc5d0\uc11c \uc0b0\ud654\ub418\uc5b4 Cu+ \ubc0f Cu2+\ub97c \ud615\uc131\ud558\uc5ec PVC\uc758 \ubd84\ud574\ub97c \uac00\uc18d\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

(3) \uae08\uc18d \uc774\uc628\uc774 \ud3f4\ub9ac\uba38\uc5d0 \ubbf8\uce58\ub294 \ud30c\uad34\uc801 \uc601\ud5a5<\/p>\n

\ub9dd\uac04 \uc548\ub8cc C.I.\uc640 \uac19\uc740 \uc77c\ubd80 \uc548\ub8cc\ub294 \ud3f4\ub9ac\uba38\uc5d0 \ud30c\uad34\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.PigmentRed48:4\ub294 PP \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488 \uc131\ud615\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc73c\uba70, \uadf8 \uc774\uc720\ub294 \uac00\ubcc0 \uc6d0\uc790\uac00 \uae08\uc18d\uc758 \ub9dd\uac04 \uc774\uc628\uc774 PP\uc758 \uc5f4 \uc0b0\ud654 \ub610\ub294 \uad11\uc0b0\ud654\uc5d0\uc11c \uc804\uc790\uc758 \uc774\ub3d9\uc744 \ud1b5\ud574 \uacfc\uc0b0\ud654\uc218\uc18c\uc758 \ubd84\ud574\ub97c \ucd09\ub9e4\ud558\uc5ec PP\uc758 \ub178\ud654\ub97c \uac00\uc18d\ud654\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ud3f4\ub9ac \uce74\ubcf4\ub124\uc774\ud2b8\uc758 \uc5d0\uc2a4\ud14c\ub974 \uacb0\ud569\uc740 \uac00\uc5f4\uc2dc \uac00\uc218 \ubd84\ud574\ub418\uae30 \uc27d\uace0 \uc54c\uce7c\ub9ac\uc5d0 \uc9c1\uba74\ud558\uc5ec \ubd84\ud574\ub418\uba70 \uae08\uc18d \uc774\uc628\uc740 \uc548\ub8cc\uc5d0\uc788\uc744 \ub54c \ubd84\ud574\ub97c \ub354 \uc27d\uac8c \ucd09\uc9c4 \ud560 \uac83\uc774\uba70 \uae08\uc18d \uc774\uc628\uc740 \ubd84\ud574\ub97c \ub354 \uc27d\uac8c \ucd09\uc9c4 \ud560 \uac83\uc785\ub2c8\ub2e4. \uc548\ub8cc\uc5d0 \uae08\uc18d \uc774\uc628\uc774 \uc788\uc73c\uba74 \ubd84\ud574\ub97c \ucd09\uc9c4\ud558\ub294 \uac83\uc774 \ub354 \uc26c\uc6b0\uba70, \uae08\uc18d \uc774\uc628\uc740 PVC \ubc0f \uae30\ud0c0 \uc218\uc9c0\uc758 \uc5f4 \uc0b0\ud654 \ubd84\ud574\ub97c \ucd09\uc9c4\ud558\uace0 \uc0c9\uc0c1 \ubcc0\ud654\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n

\uc694\uc57d\ud558\uc790\uba74, \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud560 \ub54c \uc218\uc9c0\uc640 \ubc18\uc751\ud558\ub294 \ucc29\uc0c9 \uc548\ub8cc\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \uac83\uc774 \uac00\uc7a5 \uc2e4\ud604 \uac00\ub2a5\ud558\uace0 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n

-\ucc29\uc0c9\uc81c\uc640 \ubcf4\uc870\uc81c \uac04\uc758 \ubc18\uc751<\/p>\n

1, \uc720\ud669 \ud568\uc720 \uc548\ub8cc\uc640 \ubcf4\uc870\uc81c \uac04\uc758 \ubc18\uc751<\/p>\n

\uce74\ub4dc\ubbb4 \ud669\uc0c9(CdS \ubc0f CdSe\uc758 \uace0\uc6a9\uc561)\uacfc \uac19\uc740 \ud669 \ud568\uc720 \uc548\ub8cc\ub294 \ub0b4\uc0b0\uc131\uc774 \uc57d\ud558\ubbc0\ub85c PVC\uc5d0 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub418\uba70 \ub0a9 \ud568\uc720 \ubcf4\uc870\uc81c\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n

2, \ub0a9 \ud568\uc720 \ud654\ud569\ubb3c\uacfc \ud669 \ud568\uc720 \uc548\uc815\uc81c \uac04\uc758 \ubc18\uc751<\/p>\n

\ub0a9 \uc131\ubd84\uc758 \ud06c\ub86c \ud669\uc0c9 \uc0c9\uc18c \ub610\ub294 \ubab0\ub9ac\ube0c\ub374 \ud06c\ub86c \ub808\ub4dc\uc640 \ud2f0\uc624\ub514\uc2a4\ud14c\uc544\ub808\uc774\ud2b8 DSTDP \ubc18\uc751\uacfc \uac19\uc740 \ud56d\uc0b0\ud654\uc81c.<\/p>\n

3, \uc548\ub8cc\uc640 \ud56d\uc0b0\ud654\uc81c \uac04\uc758 \ubc18\uc751<\/p>\n

PP\uc640 \uac19\uc740 \uc0b0\ud654 \ubc29\uc9c0\uc81c\uac00 \ud568\uc720\ub41c \uc218\uc9c0\uc5d0\uc11c\ub294 \uc77c\ubd80 \uc548\ub8cc\uc640 \uc0b0\ud654 \ubc29\uc9c0\uc81c\uac00 \ubc18\uc751\ud558\uc5ec \uc0b0\ud654 \ubc29\uc9c0\uc81c\uc758 \uae30\ub2a5\uc774 \uc57d\ud654\ub418\uace0 \uc218\uc9c0\uc758 \uc5f4 \ubc0f \uc0b0\uc18c \uc548\uc815\uc131\uc774 \uc800\ud558\ub429\ub2c8\ub2e4.<\/p>\n

\uc608\ub97c \ub4e4\uc5b4 \ud398\ub180\uacc4 \uc0b0\ud654\ubc29\uc9c0\uc81c\ub294 \uce74\ubcf8 \ube14\ub799\uc5d0 \uc27d\uac8c \ud761\uc218\ub418\uac70\ub098 \ubc18\uc751\ud558\uc5ec \ud65c\uc131\uc744 \uc783\uc744 \uc218 \uc788\uc73c\uba70, \ud398\ub180\uacc4 \uc0b0\ud654\ubc29\uc9c0\uc81c\uc640 \ud2f0\ud0c0\ub284 \uc774\uc628\uc774 \ud770\uc0c9 \ub610\ub294 \ubc1d\uc740 \uc0c9\uc0c1\uc758 \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc5d0 \ud398\ub180 \ubc29\ud5a5\uc871 \ubcf5\ud569\uccb4\ub97c \ud615\uc131\ud558\uc5ec \uc81c\ud488\uc774 \ud669\ubcc0 \ud604\uc0c1\uc744 \uc77c\uc73c\ud0a4\ub294 \uacbd\uc6b0 \uc801\uc808\ud55c \uc0b0\ud654\ubc29\uc9c0\uc81c\ub97c \uc120\ud0dd\ud558\uac70\ub098 \uc81c\uc0b0\uc81c(\uc2a4\ud14c\uc544\ub9b0\uc0b0 \uc544\uc5f0) \ub610\ub294 P2 \ud615 \uc544\uc778\uc0b0\uc5fc\uacfc \uac19\uc740 \ubcf4\uc870 \ucca8\uac00\uc81c\ub97c \ucca8\uac00\ud558\uc5ec \ud770\uc0c9 \uc548\ub8cc(TiO2)\uc758 \uc0c9\uc0c1 \ubcc0\ud654\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

4, \uc548\ub8cc\uc640 \uad11\uc548\uc815\uc81c \uac04\uc758 \ubc18\uc751<\/p>\n

\uc548\ub8cc\uc640 \uad11 \uc548\uc815\uc81c\uac00 \ubc18\uc751\ud558\uba74 \uc55e\uc11c \uc5b8\uae09 \ud55c \ud669 \ud568\uc720 \uc548\ub8cc\uc640 \ub2c8\ucf08 \ud568\uc720 \uad11 \uc548\uc815\uc81c \uac04\uc758 \ubc18\uc751 \uc678\uc5d0\ub3c4 \uc77c\ubc18\uc801\uc73c\ub85c \uad11 \uc548\uc815\uc81c\uc758 \ud6a8\uacfc\ub97c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. \ud2b9\ud788 \uc544\ubbfc \uad11 \uc548\uc815\uc81c\uc640 \uc544\uc870 \ud669\uc0c9 \ubc0f \uc801\uc0c9 \uc548\ub8cc\ub97c \ubc29\ud574\ud558\ub294 \uc5ed\ud560\uc758 \uc601\ud5a5\uc744 \ubc1b\uc73c\uba74 \uad11 \uc548\uc815\ud654 \ud6a8\uacfc\uac00 \ub354\uc6b1 \ubd84\uba85\ud558\uac8c \uac10\uc18c\ud558\uace0 \ubb34\uc0c9 \uc548\uc815\ud654 \ud6a8\uacfc\ub9cc\ud07c \uc88b\uc9c0 \uc54a\uc73c\uba70 \ud604\uc7ac\uc774 \ud604\uc0c1\uc5d0 \ub300\ud55c \uc815\ud655\ud55c \uc124\uba85\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n

-\ubcf4\uc870\uc790 \uac04\uc758 \ubc18\uc751<\/p>\n

\ub9ce\uc740 \ubcf4\uc870\uc81c\ub97c \ubd80\uc801\uc808\ud558\uac8c \uc0ac\uc6a9\ud558\uba74 \uc608\uae30\uce58 \uc54a\uc740 \ubc18\uc751\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc81c\ud488\uc758 \uc0c9\uc774 \ubcc0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub09c\uc5f0\uc81c\uc778 Sb2O3\ub294 \ud669\uacfc \ubc18\uc751\ud558\uc5ec Sb2S3\ub97c \ud615\uc131\ud569\ub2c8\ub2e4: Sb2O3+-S-\u2192Sb2S3+-O-.<\/p>\n

\ub530\ub77c\uc11c \uc0dd\uc0b0 \uacf5\uc2dd\uc744 \uace0\ub824\ud560 \ub54c \ubcf4\uc870\uc81c\ub97c \uc2e0\uc911\ud558\uac8c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

-\ucca8\uac00\ubb3c\uc758 \uc790\ub3d9 \uc0b0\ud654\ub85c \uc778\ud55c \uc0c9\uc0c1 \ubcc0\ud654<\/p>\n

\ud398\ub180 \uc548\uc815\uc81c\uc758 \uc790\ub3d9 \uc0b0\ud654\ub294 \ud770\uc0c9 \ub610\ub294 \ubc1d\uc740 \uc0c9\uc0c1\uc758 \uc81c\ud488\uc758 \uc0c9\uc0c1 \ubcc0\ud654\ub97c \ucd09\uc9c4\ud558\ub294 \uc911\uc694\ud55c \uc694\uc778\uc73c\ub85c, \uc678\uad6d\uc5d0\uc11c\ub294 \uc885\uc885 \"\ud551\ud0b9\"(\ubd89\uc740 \uc0c9)\uc774\ub77c\uace0 \ubd88\ub9bd\ub2c8\ub2e4.<\/p>\n

\uc774\ub294 BHT \uc0b0\ud654 \ubc29\uc9c0\uc81c(2-6-\ub514-\ud130\ud2b8-\ubd80\ud2f8-4-\uba54\ud2f8\ud398\ub180)\uc640 \uac19\uc740 \uc0b0\ud654 \uc0dd\uc131\ubb3c\uacfc \uacb0\ud569\ud558\uc5ec 3,3\u2032,5,5\u2032\uc758 \ud638\ubaa8\uc2a4\ud2f8\ubca4 \ud034\ub17c \uc5f0\uc801\uc0c9 \ubc18\uc751 \uc0dd\uc131\ubb3c\ub85c \ud615\uc131\ub418\uba70, \uc774\ub7ec\ud55c \uc885\ub958\uc758 \ubcc0\uc0c9\uc740 \uc0b0\uc18c\uc640 \ubb3c\uc774 \uc874\uc7ac\ud558\uace0 \ube5b\uc774 \uc5c6\uc744 \ub54c\ub9cc \ubc1c\uc0dd\ud558\uba70 \uc790\uc678\uc120\uc5d0 \ub178\ucd9c\ub418\uba74 \uc5f0\uc801\uc0c9 \ud638\ubaa8\uc2a4\ud2f8\ubca4 \ud034\ub17c\uc774 \ub178\ub780\uc0c9 \ub2e8\ud658 \uc0dd\uc131\ubb3c\ub85c \ube60\ub974\uac8c \ubd84\ud574\ub429\ub2c8\ub2e4.<\/p>\n

-\ube5b\uacfc \uc5f4\uc758 \uc791\uc6a9\uc5d0 \ub530\ub978 \ucc29\uc0c9 \uc548\ub8cc\uc758 \uc0c9\uc0c1 \ubcc0\ud654<\/p>\n

\ube5b\uacfc \uc5f4\uc758 \uc791\uc6a9\uc73c\ub85c \uc77c\ubd80 \ucc29\uc0c9 \uc548\ub8cc\uc758 \ubd84\uc790 \uad6c\uc131\uc774 \uc774\uc131\uc9c8\uccb4\ub85c \ubcc0\ud654\ud558\ub294\ub370, \uc608\ub97c \ub4e4\uc5b4 C.I.Pig.R2(BBC) \uc548\ub8cc\ub97c \uc0ac\uc6a9\ud558\uba74 \uc544\uc870 \uc720\ud615\uc5d0\uc11c \ud034\ub17c \uc720\ud615\uc73c\ub85c \ubcc0\uacbd\ub418\uc5b4 \uc6d0\ub798\uc758 \uacf5\uc561 \ud6a8\uacfc\uac00 \ubcc0\uacbd\ub418\uace0 \uacf5\uc561 \uacb0\ud569\uc774 \uac10\uc18c\ud558\uc5ec \uc0c9\uc0c1\uc774 \uc9c4\ud55c \uccad\uc0c9-\uc801\uc0c9\uc5d0\uc11c \ubc1d\uc740 \uc8fc\ud669\uc0c9-\uc801\uc0c9\uc73c\ub85c \ubcc0\ud569\ub2c8\ub2e4.<\/p>\n

\ub3d9\uc2dc\uc5d0 \ube5b\uc758 \ucd09\ub9e4 \ud6a8\uacfc\uc5d0 \uc758\ud574 \ubb3c\uacfc \ud568\uaed8 \ubd84\ud574\ub418\uc5b4 \uacf5\uacb0\uc815\uc218\uc5d0 \ubcc0\ud654\ub97c \uc77c\uc73c\ud0a4\uace0 \ud1f4\uc0c9\ud569\ub2c8\ub2e4.<\/p>\n

-\ub300\uae30 \uc624\uc5fc \ubb3c\uc9c8\ub85c \uc778\ud55c \uc0c9\uc0c1 \ubcc0\ud654<\/p>\n

\ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc744 \ubcf4\uad00\ud558\uac70\ub098 \uc0ac\uc6a9\ud560 \ub54c \uc218\uc9c0\ub098 \ucca8\uac00\uc81c, \ucc29\uc0c9 \uc548\ub8cc \ub4f1 \uc77c\ubd80 \ubc18\uc751\uae30\ub294 \ube5b\uacfc \uc5f4\uc758 \uc791\uc6a9\uc73c\ub85c \uc218\ubd84\uc774\ub098 \uc0b0, \uc54c\uce7c\ub9ac \ub4f1 \ub300\uae30 \uc911\uc758 \ud654\ud559 \uc624\uc5fc \ubb3c\uc9c8\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\uc5ec \ub2e4\uc591\ud558\uace0 \ubcf5\uc7a1\ud55c \ud654\ud559 \ubc18\uc751\uc744 \uc77c\uc73c\ucf1c \uc7a5\uae30\uc801\uc73c\ub85c \ubcc0\uc0c9 \ub610\ub294 \ubcc0\uc0c9\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc801\uc808\ud55c \uc5f4 \ubc0f \uc0b0\uc18c \uc548\uc815\uc81c, \uad11 \uc548\uc815\uc81c\ub97c \ucd94\uac00\ud558\uac70\ub098 \uace0\ud488\uc9c8\uc758 \ub0b4\ud6c4\uc131 \ucca8\uac00\uc81c \ubc0f \uc548\ub8cc\ub97c \uc120\ud0dd\ud558\uba74 \uc774\ub7ec\ud55c \uc0c1\ud669\uc744 \ud53c\ud558\uac70\ub098 \uc644\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

\uc0dd\uc0b0\ub41c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc758 \ubcc0\uc0c9 \ubb38\uc81c\ub294 \uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub098\uc694? \uceec\ub7ec \ud30c\uc6b0\ub354 \ub610\ub294 \ub9c8\uc2a4\ud130 \ubc30\uce58\uc640 \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc5d0 \ucc29\uc0c9\ud560 \ub54c \uc0c9\uc0c1 \ubcc0\ud654 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc81c\ud488\uc758 \ud488\uc9c8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \ubcc0\ud654\uc758 \uac00\ub2a5\ud55c \uc6d0\uc778 : (1) \uace0\uc628 \uc131\ud615 \uc911 \uae30\ubcf8 \uc218\uc9c0\uc758 \uc0b0\ud654 \ubd84\ud574\ub85c \uc778\ud574 \ubc1c\uc0dd; [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-6852","post","type-post","status-publish","format-standard","hentry","category-soresyn-resin"],"yoast_head":"\nHow to solve the problem of discolouration of produced plastic products? - Longchang Chemical<\/title>\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\/how-to-solve-the-problem-of-discolouration-of-produced-plastic-products\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to solve the problem of discolouration of produced plastic products? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"How to solve the problem of discolouration of produced plastic products? \u25cf When colouring plastic products using methods such as colour powders or masterbatches, the phenomenon of colour change may occur, thus affecting the quality of the product. 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