专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4397994A High vinyl polybutadiene or styrene-butadiene copolymer 失效
标题翻译：高乙烯基聚丁二烯或苯乙烯 - 丁二烯共聚物
公开(公告)号：US4397994A
公开(公告)日：1983-08-09
申请号：US303518
申请日：1981-09-18
申请人： Yasumasa Takeuchi , Yoshito Yoshimura , Noboru Ohshima , Mitsuhiko Sakakibara , Akira Tsuji
发明人： Yasumasa Takeuchi , Yoshito Yoshimura , Noboru Ohshima , Mitsuhiko Sakakibara , Akira Tsuji
IPC分类号： B65H75/40 , C08C19/44 , C08F2/06 , C08F4/46 , C08F8/42 , C08F8/44 , C08F30/04 , C08F30/10 , C08F36/06 , C08F212/08 , C08G81/02 , C08L9/00 , C08L9/06 , C08L25/04 , D21H13/44 , C08F8/18
CPC分类号： D21H13/44 , C08C19/44 , C08G81/022 , D21H5/186
摘要： High vinyl polybutadiene or styrene-butadiene copolymer obtained by polymerizing 1,3-butadiene alone or with styrene in a hydrocarbon solvent using an organolithium compound as an initiator and coupling the resulting polymer, characterized in that(1) the polybutadiene or styrene-butadiene copolymer comprises at least 20% by weight of a polymer having in its molecular chain a linkage between butadienyl and at least one metal selected from the group consisting of silicon, germanium, tin and lead,(2) the styrene content of said copolymer is 40% by weight or less, and(3) the polybutadiene or the butadiene portion of the styrene-butadiene copolymer has a vinyl content of 50 to 95%.Said polybutadiene or styrene-butadiene copolymer has low rolling resistance, high wet skid resistance, highly improved fracture property and, an excellent processability.
摘要翻译：通过使用有机锂化合物作为引发剂在烃溶剂中单独或与苯乙烯聚合而获得的高乙烯基聚丁二烯或苯乙烯 - 丁二烯共聚物，并将所得聚合物偶联，其特征在于（1）聚丁二烯或苯乙烯 - 丁二烯共聚物包含至少20重量％的聚合物，其分子链中是丁二烯基与选自硅，锗，锡和铅中的至少一种金属之间的连接，（2）所述共聚物的苯乙烯含量为40％以下，（3）苯乙烯 - 丁二烯共聚物的聚丁二烯或丁二烯部分的乙烯基含量为50〜95％。所述聚丁二烯或苯乙烯 - 丁二烯共聚物具有低滚动阻力，高抗湿滑性，高度改善的断裂性能和优异的加工性能。

2. 发明授权

US4367325A Styrene-butadiene random copolymer and process for the production thereof 失效
标题翻译：苯乙烯 - 丁二烯无规共聚物及其制备方法
公开(公告)号：US4367325A
公开(公告)日：1983-01-04
申请号：US254517
申请日：1981-04-15
申请人： Yasumasa Takeuchi , Noboru Ohshima , Mitsuhiko Sakakibara , Funio Tsutsumi
发明人： Yasumasa Takeuchi , Noboru Ohshima , Mitsuhiko Sakakibara , Funio Tsutsumi
IPC分类号： C08F2/00 , C08F2/04 , C08F2/06 , C08F4/00 , C08F4/42 , C08F4/48 , C08F236/00 , C08F236/10
CPC分类号： C08F236/10
摘要： Styrene-butadiene random copolymers having an average vinyl content of at least 70%, a breadth of the distribution of vinyl contents of at least 20%, a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 10 to 150, and a styrene content of about 3 to 30% by weight. They are prepared by copolymerizing styrene and butadiene in a hydrocarbon solvent in the presence of an organolithium initiator and a Lewis base and, if necessary, an anionic surface active agent containing --SO.sub.3 M or --OSO.sub.3 M (wherein M is Na, K, Rb or Cs) under temperature-raising conditions. They are rubber materials having low rolling resistance and high wet skid resistance.
摘要翻译：平均乙烯基含量至少为70％，乙烯基含量分布宽度至少为20％，门尼粘度（ML1 + 4,100℃）为10至150的苯乙烯 - 丁二烯无规共聚物和苯乙烯含量为约3至30重量％。它们是通过在有机锂引发剂和路易斯碱存在下在烃溶剂中共聚合苯乙烯和丁二烯而制备的，如果需要，可以使用含有-SO 3 M或-OSO 3 M的阴离子表面活性剂（其中M是Na，K，Rb或Cs ）在升温条件下。它们是具有低滚动阻力和高抗湿滑性的橡胶材料。

3. 发明授权

US4340685A Process for preparing polybutadiene having a 1,2-configuration content of 5-40% and a cis-1,4-configuration content of 60% or more 失效
标题翻译：制备1,2-构型含量为5-40％，顺式-1,4-构型含量为60％以上的聚丁二烯的方法
公开(公告)号：US4340685A
公开(公告)日：1982-07-20
申请号：US228625
申请日：1981-01-26
申请人： Yasumasa Takeuchi , Yutaka Obata , Noboru Ohshima , Tooru Shibata , Kaoru Nakako
发明人： Yasumasa Takeuchi , Yutaka Obata , Noboru Ohshima , Tooru Shibata , Kaoru Nakako
IPC分类号： C08F2/00 , C08F2/04 , C08F2/06 , C08F2/44 , C08F4/00 , C08F4/26 , C08F4/60 , C08F4/70 , C08F36/00 , C08F36/06 , C08F136/06
CPC分类号： C08F136/06
摘要： A process for preparing polybutadiene having a 1,2-configuration content of 5-40% and a cis-1,4-configuration content of 60% or more, which comprises polymerizing 1,3-butadiene in the presence of a catalyst consisting of:(A) a cobalt compound,(B) at least one member selected from the group consisting of:(i) a trialkylaluminum,(ii) a reaction product of a trialkylaluminum and an alcohol or water,(iii) a mixture of a trialkylaluminum and a dialkylaluminum halide,(iv) a dialkylaluminum hydride, and(v) an organolithium compound, and(C) at least one compound selected from the group consisting of phenyl isothiocyanate and carbon disulfide, in a hydrocarbon or halogenated hydrocarbon solution of a high cis-1,4-polybutadiene obtained by polymerizing 1,3-butadiene with a catalyst consisting of:(D) at least one compound selected from the group consisting of the organocarboxylates of nickel and organic complex compounds of nickel,(E) at least one compound selected from the group consisting of boron trifluoride, boron trifluoride complex compounds and hydrogen fluoride, and(F) at least one compound selected from the group consisting of the organometallic compounds of the alkali metals of the Group II or III metals of the Periodic Table. The polybutadiene produced by this process has an improved tear strength and improved flexural fatigue properties.
摘要翻译：一种制备1,2-构型含量为5-40％，顺式-1,4-构型含量为60％以上的聚丁二烯的方法，其包括在催化剂存在下将1,3-丁二烯聚合，所述催化剂由：（A）钴化合物，（B）选自由以下组成的组中的至少一种：（i）三烷基铝，（ii）三烷基铝与醇或水的反应产物，（iii）三烷基铝和二烷基卤化铝，（iv）氢化二烷基铝，和（v）有机锂化合物，和（C）至少一种选自异硫氰酸苯酯和二硫化碳的化合物在烃或卤代烃溶液中通过由以下组成的催化剂聚合1,3-丁二烯获得的高顺式-1,4-聚丁二烯：（D）至少一种选自镍的有机羧酸盐和镍的有机络合物的化合物，（E）在选自组中的至少一种化合物三氟化硼配位化合物和氟化氢，和（F）选自元素周期表第二或第三族金属的碱金属的有机金属化合物中的至少一种化合物。通过该方法制备的聚丁二烯具有改进的撕裂强度和改善的弯曲疲劳性能。

4. 发明授权

US4255543A Process for the preparation of 1,2-polybutadiene 失效
标题翻译： 1,2-聚丁二烯的制备方法
公开(公告)号：US4255543A
公开(公告)日：1981-03-10
申请号：US066698
申请日：1979-08-15
申请人： Kenya Makino , Toshio Miyabayashi , Noboru Ohshima , Yasumasa Takeuchi
发明人： Kenya Makino , Toshio Miyabayashi , Noboru Ohshima , Yasumasa Takeuchi
IPC分类号： C08F4/00 , C08F2/38 , C08F4/60 , C08F4/70 , C08F36/00 , C08F136/06
CPC分类号： C08F136/06
摘要： In the preparation of 1,2-polybutadiene with a vinyl content of at least 70% by contacting 1,3-butadiene with a catalyst consisting of:(A) a cobalt compound,(B) an organic phosphine compound,(C) a trialkylaluminum compound, and(D) water in an amount of 0.1 to 1.2 moles per mole of said trialkylaluminum,in the presence of a molecular weight regulator,(E) an alkylaluminum halide compound is used as the molecular weight regulator in an amount of at least 0.01 mole per mole of the trialkylaluminum compound (C), whereby 1,2-polybutadiene with a regulated molecular weight can be produced without causing decreased polymerization activity and change of vinyl content and crystallinity of the produced polymer. The alkylaluminum halide compound (E) is preferably used in an amount of 0.05 to 1.0 mole per mole of the trialkylaluminum compound (C).
摘要翻译：在乙烯基含量为至少70％的1,2-聚丁二烯的制备中，通过使1,3-丁二烯与由（A）钴化合物，（B）有机膦化合物组成的催化剂，（C）三烷基铝化合物和（D）在每分子量调节剂存在下，每摩尔三烷基铝为0.1至1.2摩尔量的水，（E）烷基卤化铝化合物用作分子量调节剂，其用量为每摩尔三烷基铝化合物（C）至少0.01摩尔，从而可以制备具有调节分子量的1,2-聚丁二烯，而不会降低聚合活性和所生产的聚合物的乙烯基含量和结晶度的变化。烷基卤化铝化合物（E）的用量相对于每摩尔三烷基铝化合物（C）为0.05〜1.0摩尔。

5. 发明授权

US4139690A Process for preparing conjugated diene polymers 失效
标题翻译：制备共轭二烯聚合物的方法
公开(公告)号：US4139690A
公开(公告)日：1979-02-13
申请号：US769038
申请日：1977-02-16
申请人： Yoshikazu Torigoe , Noboru Ohshima , Masaaki Watanabe , Eitaro Okuya
发明人： Yoshikazu Torigoe , Noboru Ohshima , Masaaki Watanabe , Eitaro Okuya
IPC分类号： C08F4/00 , C08F2/08 , C08F4/42 , C08F36/00 , C08F36/04 , C08F4/56
CPC分类号： C08F36/04
摘要： A process for preparing conjugated diene polymers by either polymerization of one or more monomers selected from a group of conjugated diene compounds or copolymerization of a conjugated diene compound with an alkenyl aromatic compound, using an organolithium initiator in a hydrocarbon solvent, characterized in that the polymerization is carried out in the presence of(1) one or more anionic surface active agent having a group --SO.sub.3 M or --OSO.sub.3 M (where M is an alkali metal) and(2) one or more Lewis bases.
摘要翻译：通过使用一种或多种选自一组共轭二烯化合物的单体或共轭二烯化合物与烯基芳族化合物的共聚合来制备共轭二烯聚合物的方法，使用有机锂引发剂在烃溶剂中，其特征在于聚合在（1）具有基团-SO 3 M或-OSO 3 M（其中M是碱金属）的一种或多种阴离子表面活性剂的存在下进行和（2）一种或多种路易斯碱。

6. 发明授权

US5736298A Water developable photosensitive resin composition 失效
标题翻译：水可显影光敏树脂组合物
公开(公告)号：US5736298A
公开(公告)日：1998-04-07
申请号：US536494
申请日：1995-10-02
申请人： Katsuo Koshimura , Takayoshi Tanabe , Hozumi Sato , Noboru Ohshima , Takashi Nishioka
发明人： Katsuo Koshimura , Takayoshi Tanabe , Hozumi Sato , Noboru Ohshima , Takashi Nishioka
IPC分类号： G03F7/027 , G03F7/033 , G03C1/73
CPC分类号： G03F7/027 , G03F7/033
摘要： A photo-sensitive resin composition is provided which contains (1) a particulate polymer of a carboxy-group-containing-diene having a cross-linked structure; (2) a polymer having two or more photo-polymerizable unsaturated groups at its molecular chain terminals, and, optionally, a photo-polymerizable unsaturated group, carboxyl group, hydroxy group, amino group, or epoxy group in side chains, or (2') a non-diene-type polymer having a photo-polymerizable unsaturated group, carboxyl group, hydroxy group, amino group, or epoxy group in side chains, or a low molecular weight linear diene-type polymer; (3) a photo-polymerizable unsaturated monomer; (4) a polymer containing an amino group; and (5) a photo-polymerization initiator. The photo-sensitive resin composition has excellent water-developing capability and shows almost no swelling in water, causing minimal reduction in strength and only minimal dimensional changes during development. Resin plates prepared from the composition possess excellent strength after exposure to light, excellent elongation at break, impact resilience and superb transparency, providing a good characteristic balance of properties.
摘要翻译：提供了一种光敏树脂组合物，其包含（1）具有交联结构的含羧基的二烯的颗粒状聚合物; （2）在其分子链末端具有两个以上的光聚合性不饱和基团的聚合物，以及任选的侧链中的光聚合性不饱和基团，羧基，羟基，氨基或环氧基，或（2 '）侧链中具有光聚合性不饱和基团，羧基，羟基，氨基或环氧基的非二烯类聚合物，或低分子线型二烯类聚合物; （3）光聚合性不饱和单体; （4）含有氨基的聚合物; 和（5）光聚合引发剂。感光树脂组合物具有优异的水显影能力，并且在水中几乎没有溶胀，在显影期间几乎不降低强度并且只有极小的尺寸变化。由组合物制备的树脂板在曝光后具有优异的强度，优异的断裂伸长率，抗冲击弹性和极好的透明度，提供良好的性能特征平衡。

7. 发明授权

US4053446A Process for preparing high tear-strength polydiene polyurethane 失效
标题翻译：制备高强度聚氨酯聚氨酯的方法
公开(公告)号：US4053446A
公开(公告)日：1977-10-11
申请号：US719130
申请日：1976-08-31
申请人： Yoji Watabe , Michio Ishii , Yutaka Iseda , Kouei Komatsu , Noboru Ohshima , Yozo Nakata, deceased
发明人： Yoji Watabe , Michio Ishii , Yutaka Iseda , Kouei Komatsu , Noboru Ohshima , Yozo Nakata, deceased
IPC分类号： C08G18/00 , C08G18/69 , C08K3/04 , C08G18/62
CPC分类号： C08G18/69 , C08K3/04
摘要： Polydiene polyurethanes having high tear strength are obtained by using polydiene glycols, prepared with use of lithium-based catalyst, having a number average molecular weight of 1,000 to 5,000 and functionality of 1.8 - 2.1, diisocyanates and chain-extending agents, and by controlling chemical cross-link density being 4 .times. 10.sup.-5 mole/cc and less. When the chemical cross-link density is within the above range, elongation and tensile strength in addition to tear strength of the polyurethane are improved significantly. Furthermore, when 10 - 50 parts by weight of the specified carbon black are added to 100 parts by weight of the mixture of the prepolymer, the chain-extending agent and the additive prior to curing the prepolymer, these mechanical properties of the polyurethane are improved further.

8. 发明授权

US4304885A Polybutadiene rubber compositions 失效
标题翻译：聚丁二烯橡胶组合物
公开(公告)号：US4304885A
公开(公告)日：1981-12-08
申请号：US183168
申请日：1980-09-02
申请人： Toshio Omori , Yutaka Obata , Noboru Ohshima
发明人： Toshio Omori , Yutaka Obata , Noboru Ohshima
IPC分类号： C08L7/00 , C08L9/00 , C08L21/00
CPC分类号： C08L9/00 , C08L2205/02
摘要： A polybutadiene rubber composition comprising (A) a polybutadiene rubber obtained by solution polymerization and having a Mooney viscosity (ML.sub.1+4.sup.100.degree. C.) of 60-110 and a 1,4-configuration content of not less than 60%, preferably not less than 70%, and (B) a polybutadiene polymer obtained by solution polymerization and having a viscosity-average molecular weight of 20,000-140,000, preferably 40,000-100,000, and a 1,4-configuration content of not less than 60%, preferably not less than 70%, in which composition the weight ratio of (A)/(B) is 100/5-100/150, preferably 100/35-100/100, and the Mooney viscosity (ML.sub.1+4.sup.100.degree. C.) of which composition is 20-70. This composition is high in tackiness in the unvulcanized state and also excellent in the physical properties of vulcanizate.
摘要翻译：一种聚丁二烯橡胶组合物，其包含（A）通过溶液聚合得到的聚丁二烯橡胶，门尼粘度（ML1 + 4100℃）为60-110，1,4-构型含量不小于60％，优选不低于（B）通过溶液聚合得到的聚丁二烯聚合物，其粘均分子量为20,000-140,000，优选为40,000-100,000，1,4-构型含量不低于60％，优选不为（A）/（B）的重量比为100/5〜100/150，优选为100/35〜100/100，门尼粘度（ML1 + 4100℃）为70％以下哪个组成是20-70。该组合物在未硫化状态下的粘合性高，硫化橡胶的物性也优异。

9. 发明授权

US4083834A Process for producing polymer having functional groups at its chain terminals 失效
标题翻译：在其末端具有官能团的聚合物的制备方法
公开(公告)号：US4083834A
公开(公告)日：1978-04-11
申请号：US605699
申请日：1975-08-18
申请人： Koei Komatsu , Akinori Nishioka , Noboru Ohshima , Masanobu Takahashi , Hiromichi Hara
发明人： Koei Komatsu , Akinori Nishioka , Noboru Ohshima , Masanobu Takahashi , Hiromichi Hara
IPC分类号： C08C19/44 , C08F36/04 , C08F8/08 , C08F8/34
CPC分类号： C08C19/44 , C08F36/04
摘要： A process for producing a polymer having functional groups at its chain terminals, which comprises reacting a polymer having alkali metal atoms at its chain terminals with an alkylene oxide or sulfide in a hydrocarbon medium having a solubility parameter of 7.2 or less at 25.degree. C. This process makes it possible to produce the said polymer in a short period of time without necessitating a large power for agitation. According to this process, there can be produced a polymer having a functionality near the theoretical functionality in a short period of time.
摘要翻译：一种制备在其末端具有官能团的聚合物的方法，其包括使其末端具有碱金属原子的聚合物与环氧烷或硫化物在溶解度参数为7.2以下的烃介质中在25℃下反应。该方法使得可以在短时间内生产所述聚合物，而不需要大的搅拌功率。根据该方法，可以在短时间内产生具有接近理论官能度的官能团的聚合物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式