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    Thermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylate
    6.
    发明授权
    Thermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylate 失效
    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

    公开(公告)号：US4774274A

    公开(公告)日：1988-09-27

    申请号：US64461

    申请日：1987-06-22

    申请人： Takeshi Takata ,  Shin-ichi Yachigo ,  Tatsuo Kaneoya ,  Haruki Okamura ,  Yukoh Takahashi

    发明人： Takeshi Takata ,  Shin-ichi Yachigo ,  Tatsuo Kaneoya ,  Haruki Okamura ,  Yukoh Takahashi

    IPC分类号： C08K5/134 ,  C08K5/10

    CPC分类号： C08K5/134

    摘要： 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.

    摘要翻译： 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。

    Purification of hydroxyphenylpropionic acid ester
    7.
    发明授权
    Purification of hydroxyphenylpropionic acid ester 失效
    羟基苯丙酸酯的纯化

    公开(公告)号：US4739080A

    公开(公告)日：1988-04-19

    申请号：US868742

    申请日：1986-05-30

    申请人： Manji Sasaki ,  Chinehito Ebina ,  Haruki Okamura ,  Shinichi Yachigo ,  Tamaki Ishii

    发明人： Manji Sasaki ,  Chinehito Ebina ,  Haruki Okamura ,  Shinichi Yachigo ,  Tamaki Ishii

    IPC分类号： C07D493/10 ,  C08K5/1575 ,  C07D319/04

    CPC分类号： C07D493/10

    摘要： Method for the purification of 3,9-bis{2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]-1,1-dimethylethyl} -2,4,8,10-tetraoxaspiro[5.5]undecane, to form crystals having a crystalline structure which, when subjected to Cu-K.sub..alpha. X-ray diffraction, show sharp X-ray diffraction peaks at angles of diffraction, to 2.theta.=2.8.degree., 2.theta.=8.7.degree. and 2.theta.=11.7.degree., by recrystallizing the ester at a temperature lower than 40.degree. C. using as a recrystallization solvent, A C.sub.5 -C.sub.10 alicyclic hydrocarbon, which may contain a limited amount of certain other solvents, or using a mixed solvent of a C.sub.5 -C.sub.10 aliphatic hydrocarbon and at least one other certain solvent in a certain weight ratio.

    摘要翻译： 纯化3,9-双{2- [3-（3-叔丁基-4-羟基-5-甲基苯基）丙酰氧基] -1,1-二甲基乙基} -2,4,8,10-四氧杂螺环 [5.5]十一烷，以形成具有晶体结构的晶体，当经受Cu-Kαα射线衍射时，衍射角呈现尖锐的X射线衍射峰，为2θ= 2.8°，2θ= 8.7° 和2θ= 11.7°，通过在低于40℃的温度下使酯重结晶，使用可能含有有限量的某些其它溶剂的A C5-C10脂环族烃，或使用混合溶剂 一种C 5 -C 10脂族烃和至少一种其它特定溶剂。

    Method for producing hydroxyphenylpropionic acid ester
    10.
    发明授权
    Method for producing hydroxyphenylpropionic acid ester 失效
    羟基苯丙酸酯的制备方法

    公开(公告)号：US4754045A

    公开(公告)日：1988-06-28

    申请号：US868100

    申请日：1986-05-29

    申请人： Manji Sasaki ,  Chinehito Ebina ,  Haruki Okamura ,  Shinichi Yachigo ,  Tamaki Ishii

    发明人： Manji Sasaki ,  Chinehito Ebina ,  Haruki Okamura ,  Shinichi Yachigo ,  Tamaki Ishii

    IPC分类号： B01J23/02 ,  B01J31/12 ,  C07B61/00 ,  C07D493/10 ,  C07D319/00

    CPC分类号： C07D493/10

    摘要： Method for producing 3,9-bis{2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]-1,1-dimethylethyl}-2,4,8,10-tetraoxaspiro[5.5]undecane by ester exchange of a 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)-propionic acid ester with 3,9-bis(2-hydroxy-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro[5.5]-undecane at a temperature of 170.degree.-250.degree. C. using a calcium compound as a catalyst in an amount of 0.05-1.5 moles per mole of the 3,9-bis(2-hydroxy-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro[5.5]-undecane.

    摘要翻译： 制备3,9-双{2- [3-（3-叔丁基-4-羟基-5-甲基苯基）丙酰氧基] -1,1-二甲基乙基} -2,4,8,10-四氧杂螺[5.5 （3-叔丁基-4-羟基-5-甲基苯基） - 丙酸酯与3,9-双（2-羟基-1,1-二甲基乙基）-2,4， 8,10-四氧杂螺[5.5] - 十一碳烷，温度为170-250℃，使用钙化合物作为催化剂，其用量为0.05-1.5摩尔/摩尔3,9-双（2-羟基 - 1,1-二甲基乙基）-2,4,8,10-四氧杂螺[5.5] - 十一烷。