| 双功能受阻胺光稳定剂GW-540与紫外线吸收剂并用效应的研究 |
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| 引用本文： | 潘江庆,张伟,崔松. 双功能受阻胺光稳定剂GW-540与紫外线吸收剂并用效应的研究[J]. 感光科学与光化学, 1990, 0(1) |
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| 作者姓名： | 潘江庆 张伟 崔松 |
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| 作者单位： | 中国科学院化学研究所，中国科学院化学研究所，中国科学院化学研究所 北京 100080，北京 100080，北京 100080 |
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| 摘 要： | 本文用IR、UV、SEM等方法,研究了双功能基受阻胺光稳定剂——三(1,2,2,6,6-五甲基-4-哌啶基)亚磷酸酯(GW-540),与紫外线吸收剂UV-531、UV-327并用时对聚丙烯的防光作用,结果表明:GW-540-UV-531并用体系有良好的防光作用,呈强的协同效应;GW-540-UV-327并用体系呈弱的对抗作用。结果还表明:GW-540对531和327的光分解均有保护作用.电镜研究表明,加入GW-540后,使UV-327在聚丙烯中分散更不均匀,从而影响其效率的发挥。文中提出了两个体系的协同和对抗作用机理。
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| 关 键 词： | 受阻胺光稳定剂 聚丙烯 助剂的协同作用 哌啶稳定剂 紫外吸收剂 |
STUDY ON THE EFFECT OF COMBINATION OF BISFUN- CTIONAL HINDERED AMINE LIGHT STABILIZER (GW-540) AND UV-ABSORBERS |
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| Pan Jiang-qing Zhang Wei Cui Song. STUDY ON THE EFFECT OF COMBINATION OF BISFUN- CTIONAL HINDERED AMINE LIGHT STABILIZER (GW-540) AND UV-ABSORBERS[J]. Photographic Science and Photochemistry, 1990, 0(1) |
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| Authors: | Pan Jiang-qing Zhang Wei Cui Song |
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| Abstract: | The photoprotecting action of combination of GW-540 (tri-1,2,2,6,6-penta-methyl-4-piperidinyl phosphite) and two UV absorbers (UV-531,UV-327) for polypropylene was studied by IR.,UV-spectrum,SEM.The results showed that the combination of GW-540 and UV-531 possess a good photoprotecting effectiveness,appears strong synergism,and the combination of GW-540 and UV-327 appears a weak antagonism.The results of UV-spectrum showed that GW-540 can protect both UV-531 and UV-327 against photolysis.The results of SEM showed that the more non-uniform dispersion of UV-327 in polypropylene matrix had been formed when GW-540 was added in.The mechanisms of synergism (GW-540----UV-531) and antagonism (GW-540----UV327) were proposed. |
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| Keywords: | hindered amine light stabilizer polypropylene synergism of additives piperidine stabilizer UV-absorbers |
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