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    • 1. 发明授权
    • Thermally stabilized butadiene resins containing a hindered phenolic
acrylate or methacrylate
    • 含有受阻酚丙烯酸酯或甲基丙烯酸酯的热稳定丁二烯树脂
    • US4774274A
    • 1988-09-27
    • US64461
    • 1987-06-22
    • Takeshi TakataShin-ichi YachigoTatsuo KaneoyaHaruki OkamuraYukoh Takahashi
    • Takeshi TakataShin-ichi YachigoTatsuo KaneoyaHaruki OkamuraYukoh Takahashi
    • C08K5/134C08K5/10
    • C08K5/134
    • A process for producing a bisphenol compound useful as deterioration preventor capable of stabilizing organic substances against the decompositions caused by heat, light and oxygen, represented by the following general formula: ##STR1## wherein R.sub.1 represents alkyl group having 1 to 3 carbon atoms, alkenyl group having 2 to 4 carbon atoms, phenyl group or 2-phenylethenyl group; R.sub.2 represents alkyl group having 1 to 5 carbon atoms, or cyclohexyl group; R.sub.3 represents alkyl group having 1 to 9 carbon atoms, cyclohexyl group or phenyl group; and R.sub.4 represents alkyl group having 1 to 11 carbon atoms or phenyl group, which comprises reacting a carboxylic acid represented by the following general formula: ##STR2## wherein R.sub.1 is as defined above, with a bisphenol compound represented by the following general formula: ##STR3## wherein R.sub.2, R.sub.3 and R.sub.4 are as defined above, by the use of a halogenating agent in the presence of a dehydrohalogenating agent, as well as butadiene polymer compositions containing said bisphenol compounds.
    • 一种生产双酚化合物的方法,该双酚化合物可用作能够稳定有机物质以抵抗由热,光和氧引起的分解引起的降解防止剂,由以下通式表示:其中R 1表示具有1至3个碳原子的烷基,烯基 具有2至4个碳原子的基团,苯基或2-苯基乙烯基; R2表示具有1至5个碳原子的烷基或环己基; R3表示具有1至9个碳原子的烷基,环己基或苯基; R 4表示具有1〜11个碳原子的烷基或苯基,其包括使由以下通式表示的羧酸与下述通式表示的双酚化合物反应:其中R 1如上定义。 其中R2,R3和R4如上定义,在脱卤化氢剂存在下使用卤化剂,以及含有所述双酚化合物的丁二烯聚合物组合物。