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1. 发明授权

US5688871A Rubber composition containing a flavan compound and a method for producing a vulcanized rubber containing same 失效
标题翻译：含有黄烷化合物的橡胶组合物和含有它们的硫化橡胶的制造方法
公开(公告)号：US5688871A
公开(公告)日：1997-11-18
申请号：US406134
申请日：1995-03-20
申请人： Naoki Inui , Hironobu Iyama , Kyoko Tsuta , Hideo Nagasaki
发明人： Naoki Inui , Hironobu Iyama , Kyoko Tsuta , Hideo Nagasaki
IPC分类号： C08K5/1545 , C08L21/00 , C08L61/00 , C08C19/20
CPC分类号： C08K5/1545 , C08L21/00 , C08L61/00
摘要： The present invention relates to a method for producing a vulcanized rubber by compounding in a kneading step at a relatively high temperature, a rubber and a flavan compound of the formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 independently of one another represent a hydrogen or an aliphatic group having 1-6 6 carbon atoms, or R.sup.1 and R.sup.2 together with the carbon atoms to which they are attached and/or R.sup.4 and R.sup.5 together with the carbon atom to which they are attached form an alicyclic ring having 4-10 carbon atoms, R.sup.3 is a hydrogen or an aliphatic group having 1-6 carbon atoms, and X and Y independently of one another are hydrogen, hydroxy or an aliphatic group having 1-8 carbon atoms; also, a rubber composition containing a flavan compound according to the above formula together with a cobalt-containing compound and a methylene donor; the vulcanized rubber produced through the method or from the rubber composition exhibits excellent rubber properties such as, for example, increased hardness and processability essentially free from fuming problems.
摘要翻译：本发明涉及一种通过在较高温度下捏合步骤中配混硫化橡胶的方法，一种橡胶和式（I）的黄烷化合物，其中R1，R2，R4和R5 彼此独立地表示氢或具有1-6个碳原子的脂族基团，或者R1和R2与它们所连接的碳原子一起和/或R4和R5与它们所连接的碳原子一起形成具有4-10个碳原子的脂环，R3是氢或具有1-6个碳原子的脂族基，X和Y彼此独立地是氢，羟基或具有1-8个碳原子的脂族基; 另外，含有上式的黄烷化合物与含钴化合物和亚甲基供体的橡胶组合物; 通过该方法或由橡胶组合物制备的硫化橡胶表现出优异的橡胶性能，例如基本上没有发烟问题的增加的硬度和加工性能。

2. 发明授权

US5698717A Process for preparing hydroxyflavan compounds 失效
标题翻译：制备羟基黄烷化合物的方法
公开(公告)号：US5698717A
公开(公告)日：1997-12-16
申请号：US808673
申请日：1997-02-28
申请人： Hironobu Iyama , Naoki Inui , Kyoko Tsuta , Hideo Nagasaki , Manji Sasaki
发明人： Hironobu Iyama , Naoki Inui , Kyoko Tsuta , Hideo Nagasaki , Manji Sasaki
IPC分类号： B01J27/16 , C07B61/00 , C07D311/60 , C07D311/64 , C07D311/96
CPC分类号： C07D311/60
摘要： Described herein is a process for preparing a hydroxyflavan compound which comprises reacting a polyhydric phenol compound represented by formula(2): ##STR1## wherein at least one of W, X, Y and Z is hydroxy; with a ketone in the presence of (i)an acid catalyst and (ii)water and/or a seed crystal, using an organic solvent which is insoluble in water, procuces the hydroxyflavan compounds in high yield and with high selectivity while maintaining high conversion of the polyhydric phenol.
摘要翻译：本文描述了一种制备羟基黄烷化合物的方法，包括使由式（2）表示的多元酚化合物：其中Z为羟基; 在（i）酸催化剂和（ii）水和/或晶种的存在下使用酮，使用不溶于水的有机溶剂，以高产率和高选择性促进羟基黄烷化合物，同时保持高转化率的多元酚。

3. 发明授权

US5665799A Rubber composition and a vulcanizing adhesion method using the same 失效
标题翻译：橡胶组合物和使用其的硫化粘合方法
公开(公告)号：US5665799A
公开(公告)日：1997-09-09
申请号：US525267
申请日：1995-09-07
申请人： Naoki Inui , Hironobu Iyama , Kyoko Tsuta , Hideo Nagasaki
发明人： Naoki Inui , Hironobu Iyama , Kyoko Tsuta , Hideo Nagasaki
IPC分类号： C08K5/1545 , C08K5/3437 , C08L21/00 , C08L61/00 , C08K5/15 , C08L9/00
CPC分类号： C08K5/3437 , C08K5/1545 , C08L21/00 , C08L61/00
摘要： A rubber composition (1) which comprises:a rubber (A) such as natural rubber, isoprene rubber and the like;a hydroxy flavan compound (B1) represented by the formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen or an aliphatic group and X and Y are hydrogen hydroxy or an aliphatic group, such as 2,4,4-trimethyl-2',4',7-trihydroxyflavan (B2); and2,2,4-trimethyl-1,2-dihydroquinoline polymer (C1) containing 1% or less by weight of a primary amine, 3% or less by weight of the monomer and 30% or more by weight of the dimer based on the total weight of the polymer, or a cromane compound (C2) which may be a novel cromane compound.
摘要翻译：一种橡胶组合物（1），其包含：天然橡胶，异戊二烯橡胶等橡胶（A）由式（I）表示的羟基黄烷化合物（B1）：其中R 1，R 2，R 3，R 4和R 5是氢或脂族基团，X和Y是氢羟基或脂族基团，作为2,4,4-三甲基-2'，4'，7-三羟基黄烷（B2）; 和含有1重量％以下的伯胺，3重量％以下的单体和30重量％以上的二聚体系的2,2,4-三甲基-1,2-二氢喹啉聚合物（C1）聚合物的总重量，或可以是新型Cromane化合物的Cromane化合物（C2）。

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