Basf巴斯夫 Tinuvin 234

产品品牌巴斯夫
产品商标Tinuvin
产品型号234
产品规格
产品产地日本

产品特性

Tinuvin 234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting excellent light stability to a variety of polymers.

应用

Tinuvin 234 is highly effective for polymers processed at high temperatures such as polycarbonates, polyalkylene terephthalates, polyacetals, poly- amides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, as well as for poly- vinylchloride, styrene homo- and copolymers.

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化学识别

化学品名2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol

产品英文名Tinuvin 234

CAS号70321-86-7

分子式C30H29N3O

分子量447.6

物理与规格

技术指标Melting Range 137 – 141 °C Flashpoint > 150 °C Specific Gravity (20 °C) 1.22 g/ml Vapor Pressure (20 °C) ∼ 2 E-10 Pa Solubility (20 °C) g/100 g solution Acetone 2 Chloroform 35 Cyclohexane 5 Ethanol 0.3 Ethyl acetate 4 n-Hexane 0.6 Methanol < 0.1 Methylene chloride 34 Toluene 20 Water < 0.01 Volatility (pure substance; TGA, heating rate 20 °C/min in air) Weight Loss % Temperature °C 1.0 264 2.0 280 5.0 302 Absorbance spectrum Tinuvin 234 exhibits (10 mg/l, Chloroform) high absorbance in the 300 – 400 nm region and minimal absorbance in the visible region (> 400 nm) of the spectrum. The absorption maxima are at 302 nm and 343 nm ( ε =16’100 l/ mol · cm) in chloro- form solution.

本品由巴斯夫出品，Tinuvin系列型号234，属于精细化学品与助剂 > 通用助剂 > 光稳定剂类别。名称、品牌与分类信息完整，适合在采购目录和配方资料中归档；该产品名称与分类信息可用于同类产品之间的区分。

可用于光稳定剂相关配方与生产环节，作为该类原料参与下游配料。具体用法需结合下游工艺与配方要求确定；并做好批次与工艺记录。

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