{"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\/zh\/expired-tinuvin-770-can-be-used-in-polypropylene\/","title":{"rendered":"\u7814\u7a76\u8868\u660e\u8fc7\u671f\u7d2b\u5916\u7ebf\u7a33\u5b9a\u5242\uff08Tinuvin 770\uff09\u53ef\u7528\u4e8e\u805a\u4e19\u70ef\u4e2d"},"content":{"rendered":"<h4 class=\"wp-block-heading\">\u805a\u5408\u7269\u7684\u7279\u6027\u662f\u7531\u5176\u9ad8\u5206\u5b50\u91cf\u51b3\u5b9a\u7684\uff0c\u4efb\u4f55\u5bfc\u81f4\u805a\u5408\u7269\u5206\u5b50\u91cf\u53d8\u5316\u7684\u56e0\u7d20\u90fd\u88ab\u79f0\u4e3a\u805a\u5408\u7269\u964d\u89e3\u3002\u5728\u4f17\u591a\u56e0\u7d20\u4e2d\uff0c\u7d2b\u5916\u7ebf\u8f90\u5c04\u662f\u805a\u5408\u7269\u964d\u89e3\u7684\u6700\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u5728\u6280\u672f\u548c\u7ecf\u6d4e\u5e94\u7528\u4e2d\uff0c\u9632\u6b62\u6c27\u6c14\u548c\u5149\u5f15\u8d77\u7684\u5851\u6599\u964d\u89e3\u975e\u5e38\u91cd\u8981\u3002\u5728\u5de5\u4e1a\u5851\u6599\u7684\u5916\u90e8\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5c24\u5176\u662f\u4f5c\u4e3a\u7ed3\u6784\u6750\u6599\u4f7f\u7528\u65f6\uff0c\u9700\u8981\u6dfb\u52a0\u6dfb\u52a0\u5242\uff0c\u4ee5\u589e\u5f3a\u5851\u6599\u5728\u6e29\u5ea6\u548c\u5149\u7167\u5f71\u54cd\u4e0b\u7684\u805a\u5408\u7269\u7a33\u5b9a\u6027\u3002HALS \u7684\u5e38\u89c1\u5236\u5907\u65b9\u6cd5\u662f\u7531 2,2,6,6-\u56db\u7532\u57fa\u54cc\u5576\u6216 1,2,2,6,6-\u4e94\u7532\u57fa\u54cc\u5576\u5236\u6210\u3002HALS \u53ef\u7528\u4e8e\u8bb8\u591a\u6811\u8102\u4e2d\uff0c\u4fdd\u62a4\u8fd9\u4e9b\u6750\u6599\u514d\u53d7\u81ea\u7531\u57fa\u7834\u574f\u548c\u6c27\u5316\u6bd2\u6027\u7684\u5149\u964d\u89e3\u3002<\/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\/zh\/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>Tinuvin 770<\/strong><\/span><\/a> \u662f\u4e00\u79cd\u7528\u4e8e\u805a\u5408\u7269\u7a33\u5b9a\u7684\u5149\u7a33\u5b9a\u5242\u3002\u5b83\u53ef\u4ee5\u4fdd\u62a4\u805a\u5408\u7269\uff08\u5c24\u5176\u662f\u805a\u4e19\u70ef\uff09\u514d\u53d7\u7d2b\u5916\u7ebf\u7684\u4f24\u5bb3\uff0c\u9632\u6b62\u805a\u5408\u7269\u56e0\u66b4\u9732\u5728\u5929\u6c14\u548c\u9633\u5149\u4e0b\u800c\u5931\u53bb\u673a\u68b0\u548c\u7269\u7406\u7279\u6027\u3002Tinuvin 770 \u5c5e\u4e8e HALSs\uff0c\u4f5c\u4e3a\u4e00\u79cd\u5149\u7a33\u5b9a\u5242\uff0c\u5b83\u5728\u5168\u7403\u8303\u56f4\u5185\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e PE\uff08\u805a\u4e59\u70ef\uff09\u3001PP\uff08\u805a\u4e19\u70ef\uff09\u3001\u805a\u78b3\u9178\u916f\u3001\u805a\u6c28\u916f\u3001PS\uff08\u805a\u82ef\u4e59\u70ef\uff09\u3001PA\uff08\u805a\u9170\u80fa\uff09\u3001\u805a\u7f29\u919b\u548c\u4e19\u70ef\u8148\u805a\u5408\u7269\u7b49\u591a\u79cd\u805a\u5408\u7269\u4e2d\u3002Tinuvin 770 \u7684\u5316\u5b66\u540d\u79f0\u662f\u53cc\uff082,2,6,6-\u56db\u7532\u57fa-4-\u54cc\u5576\u57fa\uff09\u7678\u4e8c\u9178\u916f\u3002\u5728\u5e72\u71e5\u6761\u4ef6\u4e0b\uff0cTinuvin 770 \u5177\u6709\u8f83\u9ad8\u7684\u7a33\u5b9a\u6027\u548c\u826f\u597d\u7684\u805a\u5408\u7269\u6027\u80fd\uff0c\u53ef\u62b5\u6297\u9633\u5149\u76f4\u5c04\u548c\u9178\u6027\u6761\u4ef6\u4e0b\u7684\u964d\u89e3\u548c\u5206\u89e3\u3002<\/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>\u7136\u800c\uff0c\u5e76\u975e\u6240\u6709\u4ea7\u54c1\u90fd\u80fd\u53ca\u65f6\u6d88\u8017\uff0c\u8fd9\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e9b\u8fc7\u671f\u7684 Tinuvin 770\u3002\u4e3a\u4e86\u8282\u7ea6\u77f3\u6cb9\u5316\u5de5\u884c\u4e1a\u7684\u7ecf\u6d4e\u6210\u672c\u548c\u4fdd\u62a4\u73af\u5883\uff0c\u4e00\u9879\u7814\u7a76\u5173\u6ce8\u4e86\u4f7f\u7528\u8fc7\u671f Tinuvin 770 \u7684\u53ef\u80fd\u6027\u3002\u5982\u679c\u5b83\u5bf9\u805a\u5408\u7269\u4ecd\u7136\u6709\u6548\uff0c\u5c31\u53ef\u4ee5\u53d6\u4ee3\u73b0\u6709\u7684\u4f7f\u7528\u8fc7\u671f\u6750\u6599\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u5411\u73af\u5883\u4e2d\u503e\u5012\u6570\u5341\u79cd\u6709\u6bd2\u5316\u5b66\u7269\u8d28\u3002\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u9605\u8bfb\u8fd9\u9879\u7814\u7a76\u3002<\/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\">\u672c\u7814\u7a76\u7684\u7814\u7a76\u4eba\u5458\u4f7f\u7528\u4e86\u540c\u4e00\u5de5\u5382\u751f\u4ea7\u7684\u8fc7\u671f\u548c\u672a\u8fc7\u671f\uff08\u4e5f\u79f0\u4e3a\u6807\u51c6\u6837\u54c1\uff09\u7684 Tinuvin 770\u3002\u4ed6\u4eec\u9996\u5148\u6d4b\u8bd5\u4e86\u8fc7\u671f\u6837\u54c1\u548c\u6807\u51c6\u6837\u54c1\u7684 DSC\uff0c\u4ee5\u786e\u5b9a\u4e24\u79cd\u6837\u54c1\u7684\u7194\u70b9\u662f\u5426\u4e0d\u540c\u3002\u56fe 1 \u548c\u56fe 2 \u4e2d\u7684\u66f2\u7ebf\u662f DSC \u66f2\u7ebf\uff0c\u53cd\u6620\u4e86\u6837\u54c1\u5728\u52a0\u70ed\u60c5\u51b5\u4e0b\u7684\u5931\u91cd\u60c5\u51b5\u3002\u6837\u54c1\u7194\u5316\u4f1a\u5bfc\u81f4\u66f2\u7ebf\u51fa\u73b0\u5cf0\u503c\u3002\u5728\u5236\u9020\u5546\u63d0\u4f9b\u7684 MSDS \u4e2d\uff0c\u516c\u53f8\u6307\u51fa Tinuvin 770 \u7684\u7194\u70b9\u5728 81-86 \u00b0C \u4e4b\u95f4\u3002\u7814\u7a76\u8868\u660e\uff0c\u6807\u51c6\u6837\u54c1\u7684\u7194\u70b9\u4e3a 85.92 \u00b0C\uff0c\u8fc7\u671f\u6837\u54c1\u7684\u7194\u70b9\u4e3a 85.54 \u00b0C\u3002\u4e24\u8005\u90fd\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\uff0c\u800c\u4e14\u975e\u5e38\u63a5\u8fd1\uff0c\u8fd9\u8868\u660e\u8fd9\u4e24\u79cd\u6837\u54c1\u5177\u6709\u76f8\u4f3c\u7684\u70ed\u7279\u6027\uff0c\u5373\u8fc7\u671f\u6837\u54c1\u6ca1\u6709\u53d1\u751f\u5bfc\u81f4\u7194\u5316\u6e29\u5ea6\u53d8\u5316\u7684\u964d\u89e3\u3002<\/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\">\u56fe 1\uff1a\u6807\u51c6 Tinuvin 770 \u7684 DSC \u66f2\u7ebf\u3002<\/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\">\u56fe 2\uff1a expierd Tinuvin 770 \u7684 DSC \u66f2\u7ebf\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fc7\u671f\u7684 Tinuvin 770 \u548c\u6807\u51c6\u6837\u54c1\u90fd\u901a\u8fc7\u7ea2\u5916\u5149\u8c31\u4eea\u68c0\u6d4b\u4e86\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u3002\u5728\u56fe 3 \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6807\u51c6\u6837\u54c1\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u3002\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u7fb0\u57fa\u5728 1660-1850 \u5398\u7c73\u8303\u56f4\u5185\u6709\u7ea2\u5916\u5438\u6536\u3002<sup>-1<\/sup>\uff0c\u5149\u8c31\u5728 1721 \u5398\u7c73\u5904\u6709\u4e00\u4e2a\u76f8\u5e94\u7684\u5cf0\u503c<sup>-1<\/sup>&nbsp;\u8bf4\u660e\u6807\u51c6\u6837\u54c1\u4e2d\u5b58\u5728\u78b3\u57fa\u3002\u800c N-H \u952e\u7684\u62c9\u4f38\u5438\u6536\u3001\u5f2f\u66f2\u5438\u6536\u548c\u7247\u5916\u5f2f\u66f2\u5438\u6536\u5206\u522b\u4f4d\u4e8e 3300 - 3500 \u5398\u7c73\u5904\u3002<sup>-1<\/sup>1500 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u548c 800 \u5398\u7c73<sup>-1<\/sup>.\u5728 3323 \u5398\u7c73\u5904\u7684\u5149\u8c31\u4e2d\u53ef\u4ee5\u89c2\u5bdf\u5230\u6240\u6709\u5c5e\u4e8e N-H \u952e\u632f\u52a8\u6a21\u5f0f\u7684\u5cf0\u503c\u3002<sup>-1<\/sup>, 3423 \u5398\u7c73<sup>-1<\/sup>1500 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u548c 793 \u5398\u7c73<sup>-1<\/sup>.\u5149\u8c31\u663e\u793a\uff0c\u4e9a\u7532\u57fa\uff08CH<sub>3<\/sub>\uff09\u5728 1378 \u5398\u7c73\u5904<sup>-1<\/sup>&nbsp;\u548c\u7532\u57fa\uff08CH<sub>2<\/sub>\u957f\u94fe\uff09\uff0c739 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u4e5f\u51fa\u73b0\u4e86\u3002<\/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\">\u56fe 3\uff1a\u6807\u51c6\u9521\u5974\u97e6 770 \u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u901a\u8fc7\u5206\u6790 Tinuvin770 \u8fc7\u671f\u6837\u54c1\u83b7\u5f97\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u89c1\u56fe 4\u3002\u8fc7\u671f\u6837\u54c1\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u5728 1721 \u5398\u7c73\u5904\u4e5f\u663e\u793a\u51fa\u76f8\u5e94\u7684\u7ea2\u5916\u5438\u6536\u5cf0\u3002<sup>-1<\/sup>&nbsp;\u5230\u7fb0\u57fa\u3002\u4e0e N-H \u62c9\u4f38\u5438\u6536\u76f8\u5bf9\u5e94\u7684\u662f 3300-3500 \u5398\u7c73\u8303\u56f4\u5185\u7684\u4e24\u4e2a\u5bbd\u5cf0\u3002<sup>-1<\/sup>&nbsp;\u6307 3323 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u548c 3423 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u51fa\u73b0\uff0c1500 \u5398\u7c73\u5904\u7684 N-H \u5f2f\u66f2\u5438\u6536<sup>-1<\/sup>&nbsp;\u662f\u4e00\u4e2a\u8f83\u4f4e\u7684\u5cf0\u503c\u3002800 \u5398\u7c73\u9644\u8fd1\u7684 N-H \u7247\u5916\u5f2f\u66f2\u5438\u6536<sup>-1<\/sup>\u5373 793 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u53ef\u4ee5\u89c2\u5bdf\u5230\u3002\u800c\u4e14\uff0c\u4e9a\u7532\u57fa\uff08CH<sub>3<\/sub>\uff09\u5728 1378 \u5398\u7c73\u5904<sup>-1<\/sup>&nbsp;\u548c\u7532\u57fa\uff08CH<sub>2<\/sub>\u957f\u94fe\uff09\uff0c739 \u5398\u7c73<sup>-1<\/sup>&nbsp;\u51fa\u73b0\u4e86\u3002<\/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\">\u901a\u8fc7\u6bd4\u8f83\u8fc7\u671f\u9521\u5974\u97e6 770 \u6837\u54c1\u548c\u6807\u51c6\u9521\u5974\u97e6 770 \u6837\u54c1\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u7ed3\u679c\uff0c\u5f97\u51fa\u7ed3\u8bba\uff1a\u4e24\u79cd\u5149\u8c31\u90fd\u4e0e\u4e00\u79cd\u5316\u5408\u7269\u6709\u5173\uff0c\u8fd9\u4e00\u7ed3\u679c\u8bf4\u660e\u8be5\u6837\u54c1\u6ca1\u6709\u53d1\u751f\u8fc7\u671f\u5f15\u8d77\u7684\u964d\u89e3\u548c\u53d8\u5316\u3002\u4f46\u662f\uff0c\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u5e76\u4e0d\u80fd\u786e\u5b9a\u4e0d\u540c\u6210\u5206\u7684\u542b\u91cf\uff0c\u56e0\u6b64\u8fd8\u9700\u8981\u5176\u4ed6\u7684\u9274\u5b9a\u5b9e\u9a8c\u548c\u5b9a\u91cf\u5206\u6790\u65b9\u6cd5\u3002<\/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\">\u56fe 4 Tinuvin770 \u6837\u54c1\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f7f\u7528\u7d2b\u5916-\u53ef\u89c1\u5206\u5149\u5149\u5ea6\u8ba1\u5bf9\u4e24\u79cd\u6837\u54c1\u8fdb\u884c\u7d2b\u5916\u7ebf\u626b\u63cf\uff0c\u786e\u5b9a\u4e24\u79cd\u6837\u54c1\u7684\u5438\u6536\u8303\u56f4\u662f\u5426\u4e00\u81f4\u3002\u7814\u7a76\u4eba\u5458\u6d4b\u8bd5\u4e86\u6807\u51c6\u6837\u54c1\u548c\u8fc7\u671f\u6837\u54c1\u7684 UV-VIS\uff08\u53ef\u89c1\u5149-\u7d2b\u5916\u7ebf\uff09\u5149\u8c31\uff0c\u5e76\u7acb\u5373\u8fdb\u884c\u4e86\u6bd4\u8f83\u3002UV-VIS \u5149\u8c31\u662f\u4ee5\u5438\u5149\u5ea6\u4e0e\u6ce2\u957f\uff08\u7eb3\u7c73\uff09\u7684\u5173\u7cfb\u6765\u8bb0\u5f55\u7684\u3002\u7531\u4e8e\u5b9e\u9a8c\u4f7f\u7528\u7532\u9187\u4f5c\u4e3a\u6eb6\u5242\uff0c\u56e0\u6b64\u5728 800 \u7eb3\u7c73\u5230 200 \u7eb3\u7c73\u4e4b\u95f4\u6ca1\u6709\u7d2b\u5916\u7ebf\u5438\u5149\u5ea6\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6d4b\u8bd5\u6ce2\u957f\u8303\u56f4\u4e3a 205 nm\uff0c\u8fd9\u88ab\u79f0\u4e3a\u5438\u6536\u622a\u6b62\u70b9\u3002\u56e0\u6b64\uff0c\u6240\u7528\u6837\u54c1\u7684\u7d2b\u5916\u5438\u6536\u4e0e\u5149\u8c31\u4e2d\u89c2\u5bdf\u5230\u7684\u5cf0\u503c\u6709\u5173\u3002\u6807\u51c6\u6837\u54c1\u7684\u7d2b\u5916\u5149\u8c31\u5982\u56fe 5 \u6240\u793a\u3002\u9521\u9ec4\u7d20 770 \u7ed3\u6784\u4e2d\u6709\u7fb0\u57fa\u53d1\u8272\u56e2\uff08C=O\uff09\u3002\u4e0d\u9971\u548c\u5316\u5408\u7269\u4e2d\u7684\u7fb0\u57fa\u542b\u6709\u6c27\u548c\u6c2e\u7b49\u539f\u5b50\uff0c\u8fd9\u4e9b\u539f\u5b50\u4ece <em>n <\/em>\u2192 <em>\u03c0<\/em>\u2217 \u5728 280-290 nm \u6ce2\u957f\u8303\u56f4\u5185\uff0c\u7531\u4e8e\u8fd9\u4e9b\u8dc3\u8fc1\u4e2d\u6709\u8bb8\u591a\u662f\u7981\u6b62\u8dc3\u8fc1\uff0c\u56e0\u6b64\u5cf0\u5f3a\u5ea6\u964d\u4f4e\u3002\u9521\u9ec4 770 \u6807\u51c6\u6837\u54c1\u5728 280-290 \u7eb3\u7c73\u6ce2\u6bb5\u7684\u5438\u6536\u7387\u8f83\u4f4e\uff0c\u5728 270 \u7eb3\u7c73\u6ce2\u6bb5\u7684\u5438\u6536\u7387\u5f00\u59cb\u4e0a\u5347\uff0c\u5728 250 \u7eb3\u7c73\u6ce2\u6bb5\u8fbe\u5230\u6700\u5927\u503c\u3002\u8fc7\u671f\u9521\u9ec4 770 \u6837\u54c1\u7684\u7d2b\u5916\u5149\u8c31\u89c1\u56fe 6\u3002<\/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\">\u4e0e\u6807\u51c6\u6837\u54c1\u4e00\u6837\uff0c\u8fc7\u671f\u6837\u54c1 Tinuvin 770 \u7684\u7fb0\u57fa\u53d1\u8272\u56e2\uff08C=O\uff09\u5bf9\u5e94\u5cf0\u5728 280 - 290 \u7eb3\u7c73\u533a\u57df\u8f83\u5f31\uff0c\u4ece 270 \u7eb3\u7c73\u5f00\u59cb\u589e\u5f3a\u3002\u5cf0\u503c\u4f4d\u4e8e 250 \u7eb3\u7c73\u3002\u603b\u4e4b\uff0c\u8fc7\u671f\u6837\u54c1\u7684\u53d1\u8272\u56e2\u6ca1\u6709\u53d1\u751f\u53d8\u5316\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u4e24\u79cd\u6837\u54c1\u7684\u5438\u6536\u76f8\u540c\uff0c\u4e3b\u8981\u6210\u5206\u4e5f\u76f8\u540c\u3002<\/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\">\u56fe 5 \u6807\u51c6 Tinuvin770 \u7684 UV-VIS \u8272\u8c31\u56fe\u3002<\/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\">\u56fe 6 \u8fc7\u671f Tinuvin770 \u7684 UV-VIS \u8272\u8c31\u56fe\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u7136\u540e\uff0c\u7814\u7a76\u4eba\u5458\u5c06\u6807\u51c6\u6837\u54c1\u548c\u8fc7\u671f\u6837\u54c1\u6eb6\u89e3\u5728\u4e59\u8148\u4e2d\uff0c\u5f62\u6210 200 ppm \u7684\u6eb6\u6db2\uff0c\u5e76\u5c06\u5176\u5bfc\u5165 HPLC-UV \u4eea\u5668\u8fdb\u884c\u5206\u6790\u3002\u6839\u636e\u8272\u8c31\u56fe\uff0c\u4fdd\u7559\u65f6\u95f4\u7b49\u4e8e 5.4 \u5206\u949f\uff0c\u5373\u4ece\u8fdb\u6837\u5230\u8fbe\u5230\u5cf0\u503c\u7684\u95f4\u9694\u65f6\u95f4\u3002\u5bf9\u4e8e\u7269\u8d28\u5cf0\u7684\u8bc6\u522b\uff0c\u4fdd\u7559\u65f6\u95f4\u662f\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\u3002\u800c HPLC-UV \u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u6bcf\u4e2a\u5cf0\u4e0b\u7684\u9762\u79ef\u6765\u8fdb\u884c\u5b9a\u91cf\u8ba1\u7b97\u3002\u7a33\u5b9a\u7cfb\u7edf\u79ef\u5206\u5668\u786e\u5b9a\u7684\u6bcf\u4e2a\u5cf0\u4e0b\u7684\u9762\u79ef\uff08\u4e5f\u79f0\u4e3a\u5438\u6536\u5e26\uff09\u4e0e\u6240\u7814\u7a76\u7cfb\u7edf\u4e2d\u7684\u6210\u5206\u542b\u91cf\u6210\u6b63\u6bd4\u3002\u6807\u51c6\u6837\u54c1\u548c\u8fc7\u671f Tinuvin 770 \u7684\u4fdd\u7559\u65f6\u95f4\u90fd\u662f 5.4 \u5206\u949f\uff0c\u8bf4\u660e\u8fc7\u671f\u6837\u54c1\u6ca1\u6709\u964d\u89e3\u3002\u56fe 7 \u4e2d\u7684\u66f2\u7ebf\u662f\u6807\u51c6\u6837\u54c1\u548c\u8fc7\u671f\u6837\u54c1\u56db\u6b21\u8fdb\u6837\u6240\u83b7\u5f97\u7684\u5cf0\u9762\u79ef\u3002\u4e24\u6761\u66f2\u7ebf\u4e4b\u95f4\u5b58\u5728\u4e9b\u8bb8\u5dee\u5f02\uff0c\u8fd9\u53ef\u80fd\u4e0e\u6e7f\u5ea6\u53d8\u5316\u6216\u6837\u54c1\u8f83\u591a\u6709\u5173\u3002\u4e24\u79cd\u6837\u54c1\u7684\u4fdd\u7559\u65f6\u95f4\u975e\u5e38\u63a5\u8fd1\uff0c\u8fd9\u8bc1\u660e\u8fc7\u671f\u6837\u54c1\u4ecd\u672a\u5206\u89e3\u3002<\/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\">\u56fe 7\uff1a\u4e24\u79cd\u6837\u54c1\u5728 HPLC-UV \u4e2d\u7684\u66f2\u7ebf\u4e0b\u9762\u79ef\u6bd4\u8f83<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u7814\u7a76\u4eba\u5458\u8fd8\u6d4b\u8bd5\u4e86\u4e24\u79cd\u6837\u54c1\u7684\u6c14\u76f8\u8272\u8c31-\u8d28\u8c31\u8054\u7528\u4eea\uff08GC-MS\uff09\u5149\u8c31\uff0c\u8fd9\u53ef\u4ee5\u5206\u79bb\u51fa\u4e0d\u540c\u7684\u6210\u5206\uff0c\u9274\u522b\u51fa\u4e0d\u540c\u7684\u6210\u5206\u3002\u5c06\u6837\u54c1\u6eb6\u89e3\u5728\u6db2\u76f8\u4e2d\uff0c\u5e76\u5c06\u5c11\u91cf\u6837\u54c1\u52a0\u5165\u6c14\u5316\u5ba4\u6210\u4e3a\u6c14\u76f8\u3002\u6c14\u76f8\u8272\u8c31\u6cd5\u5229\u7528\u56fa\u5b9a\u7684\u6bdb\u7ec6\u7ba1\u67f1\uff0c\u5c06\u6db2\u4f53\u56fa\u5b9a\u76f8\u5438\u9644\u5728\u60f0\u6027\u56fa\u4f53\u8868\u9762\uff0c\u5206\u79bb\u6c14\u76f8\u4e2d\u7684\u4e0d\u540c\u6210\u5206\u3002\u8d28\u8c31\u4eea\u5c06\u5bf9\u8fd9\u4e9b\u4e0d\u540c\u7684\u6210\u5206\u8fdb\u884c\u68c0\u6d4b\uff0c\u4ee5\u786e\u5b9a\u5b83\u4eec\u7684\u8eab\u4efd\u3002\u4e0e HPLC-UV \u8272\u8c31\u56fe\u4e00\u6837\uff0cGC-MS \u8272\u8c31\u56fe\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u4e0d\u540c\u5cf0\u4e0b\u7684\u9762\u79ef\u6765\u83b7\u5f97\u6240\u7814\u7a76\u5316\u5408\u7269\u7684\u6d53\u5ea6\uff0c\u5e76\u901a\u8fc7\u6bd4\u8f83\u4fdd\u7559\u65f6\u95f4\u6765\u786e\u5b9a\u6210\u5206\u3002\u8fc7\u671f\u6837\u54c1\u4e0e\u6807\u51c6\u6837\u54c1 Tinuvin 770 \u7684\u4fdd\u7559\u65f6\u95f4\u76f8\u5dee\u4e0d\u5230 0.1 \u5206\u949f\uff0c\u8fd9\u53ef\u80fd\u662f\u4eea\u5668\u8bef\u5dee\u9020\u6210\u7684\u3002\u8fd9\u4e0e HPLC-UV \u7684\u7ed3\u679c\u4e00\u81f4\u3002\u56fe 8 \u6bd4\u8f83\u4e86 GC-MS \u7684\u7ed3\u679c\u6570\u636e\u3002<\/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\">\u56fe 8\uff1aTinuvin 770 \u5cf0\u4e0b\u7684\u6c14\u76f8\u8272\u8c31-\u8d28\u8c31\u9762\u79ef\u6bd4\u8f83<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u7814\u7a76\u8ba4\u4e3a\uff0c\u8fc7\u671f\u7684\u5149\u7a33\u5b9a\u5242 Tinuvin770 \u5728\u9002\u5f53\u7684\u6761\u4ef6\u4e0b\uff0c\u5e94\u8fdc\u79bb\u6f6e\u6e7f\u3001\u7535\u79bb\u8f90\u5c04\u548c\u9ad8\u6e29\uff08\u9ad8\u4e8e\u6324\u51fa\u673a\u7cfb\u7edf\u6e29\u5ea6\uff09\uff0c\u800c\u4e14\u7531\u4e8e\u5b83\u662f\u78b1\u6027\u5316\u5408\u7269\uff0c\u5fc5\u987b\u4fdd\u5b58\u5728\u65e0\u9178\u6027\u73af\u5883\u4e2d\u3002\u6ee1\u8db3\u8fd9\u4e9b\u6761\u4ef6\u540e\uff0c\u8fc7\u671f\u7684 Tinuvin 770 \u4ecd\u53ef\u4fdd\u7559\u5176\u7ed3\u6784\u548c\u529f\u80fd\u7279\u6027\uff0c\u56e0\u6b64\u4ecd\u53ef\u7528\u4e8e PP \u7b49\u805a\u5408\u7269\u7684\u7a33\u5b9a\u5316\u3002<\/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>\u540c\u7cfb\u5217\u4ea7\u54c1<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/hals-119-light-stabilizer-119-chimassorb-119\/\">HALS 119 \/ \u5149\u7a33\u5b9a\u5242 119 \/ Chimassorb 119<\/a><\/td><td>106990-43-6<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">Hals 123 \/ Light stabilizer 123 \/ tinuvin 123<\/a><\/td><td>129757-67-1<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-622-tinuvin-622-cas-65447-77-0\/\">\u54c8\u5c14\u65af 622 \/ \u5149\u7a33\u5b9a\u5668 622 \/ tinuvin 622<\/a><\/td><td>65447-77-0<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-622-tinuvin-622-cas-65447-77-0\/\">HALS 770 \/ LIGHT TRAVILIZER 770 \/ TINUVIN 770<\/a><\/td><td>52829-07-9<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/uv-light-stabilizer-783-tinuvin-783\/\">HALS 783 \/ UV \u5149\u7a33\u5b9a\u5668 783 \/ tinuvin 783<\/a><\/td><td>&nbsp;<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-791-tinuvin-791\/\">HALS 791 \/ Light stabilizer 791 \/ tinuvin 791<\/a><\/td><td>&nbsp;<\/td><\/tr><tr><td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-944-cas-70624-18-9\/\">HALS 944 \u5149\u7a33\u5b9a\u5242-944 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>\u7acb\u5373\u8054\u7cfb\u6211\u4eec\uff01<\/strong><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5982\u679c\u60a8\u9700\u8981 COA\u3001MSDS \u6216 TDS\uff0c\u8bf7\u5728\u4e0b\u8868\u4e2d\u586b\u5199\u60a8\u7684\u8054\u7cfb\u4fe1\u606f\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5728 24 \u5c0f\u65f6\u5185\u4e0e\u60a8\u8054\u7cfb\u3002<\/strong> \u60a8\u4e5f\u53ef\u4ee5\u7ed9\u6211\u53d1\u7535\u5b50\u90ae\u4ef6 <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a> \u8bf7\u5728\u5de5\u4f5c\u65f6\u95f4\uff08UTC+8 \u5468\u4e00\u81f3\u5468\u516d\uff0c\u4e0a\u5348 8:30 \u81f3\u4e0b\u5348 6:00\uff09\u6216\u4f7f\u7528\u7f51\u7ad9\u5373\u65f6\u804a\u5929\u5de5\u5177\u83b7\u5f97\u53ca\u65f6\u56de\u590d\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u672c\u6587\u7531\u9686\u660c\u5316\u5de5\u7814\u53d1\u90e8\u64b0\u5199\u3002\u5982\u9700\u590d\u5236\u548c\u8f6c\u8f7d\uff0c\u8bf7\u6ce8\u660e\u51fa\u5904<\/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\/zh\/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\/zh\/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\/zh\/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\/zh\/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. 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