紫外线吸收剂 UV-531

紫外线吸收剂uv-531

羟基-4-正辛氧基二苯甲酮(benzopheno-12)

别名：紫外线吸收剂uv-531、二苯甲酮-12
分子式：c21h26o3
分子量：326.43
cas号：【1843-05-6】
结构式：淡黄色结晶粉末


熔点：47.0-49.0℃
含量：≥99.0%
灰份：<0.1%
透光率：  (450nm)：>90%
(500nm)：>95%
包装：纸板桶25kg/桶
贮藏：密封、避光

用途：是一种性能卓越的高效防老化助剂，能吸收240-340钠米的紫外光，具有色浅、无毒、相溶性好、迁移性小、易于加工等特点。它对聚合物有Zui大的保护作用，并有助于减少色泽，同时延缓泛黄和阻滞物理性能损失。它广泛用于pe、pvc、pp、ps、pc、有机玻璃等方面。而且对于干性酚醛和醇酸清漆类、聚氨酯类、丙烯酸类、环氧类和其它空气干燥产品及汽车整修漆、粉末涂料、聚氨酯、橡胶制品等，为他们提供了良好的光稳定效果。

uv absorber uv - 531

4 - octyl oxygen radicals hydroxyl - diphenyl ketone (benzopheno - 12)

alias: ultraviolet absorber uv - 531, diphenyl ketone - 12

molecular formula: c21h26o3

molecular weight: 326.43

cas number: [1843-05-6]

structured: light yellow crystalline powder

melting point: 47.0 to 49.0 ℃

content: 99.0% or higher

ash: < 0.1%

transmittance: (450 nm) : > 90%

(500 nm) : > 95%

packing: paperboard barrel 25 kg/barrel

storage: sealed, avoid light

purpose:

is a kind of performance is remarkable effective anti aging additives, sodium absorbing 240-340 meters of ultraviolet light, color light, non-toxic, good intermiscibility, mobility is small, easy processing characteristics. it has the greatest protection to the polymer, and helps to reduce color, delay the yellowing and block physical performance loss at the same time. it is widely used in pe, pvc, pp, ps, pc, organic glass, etc. but for dry phenolic and alcoholic acid varnish, polyurethane, acrylic, epoxy and other air drying products and automotive repair paint, powder coating, polyurethane, rubber products, etc., provides them with good light stability results.

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