专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

91. 发明专利

JPS6317296B2 失效
公开(公告)号：JPS6317296B2
公开(公告)日：1988-04-13
申请号：JP16783480
申请日：1980-11-27
申请人： SUMITOMO RUBBER IND
发明人： FURUKAWA HIROSHI , SAITO JUICHI , IMAI AKIO , YAMAMOTO KEISAKU , TAKAO HIROMI , YOSHIDA MASASHI
IPC分类号： C08L7/00 , B60C1/00 , B60C11/00 , C08L9/00 , C08L21/00

92. 发明专利

JPS59170132A Rubber composition for tire 失效
标题翻译：轮胎橡胶组合物
公开(公告)号：JPS59170132A
公开(公告)日：1984-09-26
申请号：JP4572683
申请日：1983-03-17
申请人： Sumitomo Chem Co Ltd , Sumitomo Rubber Ind Ltd
发明人： FURUKAWA HIROSHI , SAITOU YUUICHI , YAMAMOTO KEISAKU , IMAI AKIO , YOSHIDA MASASHI , OKAMOTO YASUSHI , SEKI TOMOAKI
IPC分类号： C08L7/00 , C08L9/00 , C08L21/00
摘要： PURPOSE: To provide a rubber composition having high rolling resistance and wet-grip performance, also of good processability, comprising a specific butadiene or styrene-butadiene rubber prepared by solution polymerization.
CONSTITUTION: The objective composition comprising a butadiene or styrene- butadiene rubber prepared by solution polymerization, or, consisting mainly of an elastomer having a glass transition temperature ≥-50°C, with ≥70wt% molecular chains crosslinked through tri-or tetrafunctional bonding agent. Said rubber component should have an intrinsic viscosity of 1.0W6.0 (pref. 1.0W4.0) (measured in the form of toluene solution at 30°C). Said bonding agent is pref. of tetrafunctional type, e.g., silicon tetrachloride or tin tetrachloride. Incorporation of less than 30pts.wt. of natural or synthetic isoprene rubber based on 100pts.wt. of the total rubber component will result in highly balanced characteristics of the composition.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：提供具有高滚动阻力和湿抓地性能的橡胶组合物，还具有良好的加工性能，其包含通过溶液聚合制备的特定丁二烯或丁苯橡胶。构成：包含通过溶液聚合制备的丁二烯或苯乙烯 - 丁二烯橡胶的目标组合物，或者主要由具有玻璃化转变温度≥50℃的弹性体组成，具有> = 70重量％的分子链通过三元或四官能键合剂。所述橡胶组分的特性粘度应为1.0-6.0（优选1.0-4.0）（在30℃下以甲苯溶液的形式测量）。所述粘合剂是优选的。的四官能型，例如四氯化硅或四氯化锡。合并小于30pts.wt。的天然或合成异戊二烯橡胶，基于100pts.wt。的总橡胶组分将导致组合物的高度平衡的特性。

93. 发明专利

JPS5936144A Diene rubber composition and tire with the same used in tread 失效
标题翻译： DIENE橡胶组合物和与之相同的轮胎
公开(公告)号：JPS5936144A
公开(公告)日：1984-02-28
申请号：JP14645982
申请日：1982-08-23
申请人： Sumitomo Chem Co Ltd , Sumitomo Rubber Ind Ltd
发明人： FURUKAWA HIROSHI , SAITOU YUUICHI , IMAI AKIO , YOSHIDA MASASHI , OKAMOTO YASUSHI
IPC分类号： C08L7/00 , B60C1/00 , B60C11/00 , C08C19/44 , C08L9/00 , C08L21/00
CPC分类号： B60C1/0016 , C08C19/44 , C08L9/00 , Y02T10/862
摘要： PURPOSE: To provide titled composition of excellent wet-grip characteristics and low rolling resistance, suitable for tire tread, consisting mainly of a rubbery butadiene polymer or vinyl aromatic compound-butadiene copolymer each produced by a specific solution polymerization process.
CONSTITUTION: The objective composition consisting mainly (pref. ≥70wt%) of a rubbery butadiene polymer or vinyl aromatic compound (pref. styrene)-butadiene copolymer produced by a solution polymerization process, with a glass transition temperature ≥-50°C, intrinsic viscosity ranging 1.7W2.5dl/g, and 40W65wt% of the polymer chain modified by tri- or tetrafunctional coupler. For retaining the processability, rolling resistance, etc. in good balance and improving the tackiness, etc., incorporation of 5W25wt% of natural and/or synthetic isoprene rubber in the composition would be recommended. Further inprovement in the tackiness will be achieved by incorporating 1W10wt% of the oligomer of an intrinsic viscosity 0.1W1.0dl/g of either said polymer or copolymer.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：提供主要由橡胶状丁二烯聚合物或乙烯基芳族化合物 - 丁二烯共聚物组成的轮胎胎面的优良的湿抓地性能和低滚动阻力的标题组合物，各自通过特定的溶液聚合方法制备。构成：以溶液聚合方法制备的橡胶状丁二烯聚合物或乙烯基芳族化合物（预先苯乙烯） - 丁二烯共聚物主要组成（优选≥70重量％）的目标组合物，玻璃化转变温度≥50℃。 C，特性粘度范围为1.7-2.5dl / g，以及由三或四官能成色剂改性的聚合物链的40-65wt％。为了保持加工性，滚动阻力等良好的平衡性和改善粘性等，推荐在组合物中加入5-25wt％的天然和/或合成异戊二烯橡胶。通过掺入1-10wt％的特性粘度为0.1-1.0dl / g的所述聚合物或共聚物的低聚物将进一步提高粘性。

94. 发明专利

JPS57180646A DIENE RUBBER COMPOSITION AND TIRE USING SAID COMPOSITION 失效
公开(公告)号：JPS57180646A
公开(公告)日：1982-11-06
申请号：JP6638181
申请日：1981-04-30
申请人： SUMITOMO RUBBER IND
发明人： FURUKAWA HIROSHI , SAITOU YUUICHI , OKUMURA AKIO , TAKAO HIROMI , YAMAMOTO KEISAKU , YOSHIDA MASASHI , IMAI AKIO
IPC分类号： C08L7/00 , B60C1/00 , C08L9/00 , C08L21/00
摘要： PURPOSE:To provide a rubber compsn. for tire tread, which possesses both high wet grip performance and rolling resistance performance and has excellent processability, by blending a high-molecular diene rubber having a high Tg and a narrow molecular-weight distribution with a low-molecular diene rubber. CONSTITUTION:25-95pts.wt. high-molecular diene rubber (i) having an intrinsic viscosity (eta) of 2.0 or above, a Tg of -50 deg.C or higher and an Mw/Mn of 2.0 or below, is mixed with 75-10pts.wt. low-molecular diene rubber (ii) having an intrinsic viscosity (eta) of 0.01-2.0 to obtain the titled rubber compsn. Preferred low-molecular diene rubber (ii) are those having an Mw/Mn of 2.0 or below and a Tg of -50 deg.C or higher. Rubbers which are useful for components (i) and (ii) are polybutadiene, polyisoprene and a styrene/butadiene rubber.

95. 发明专利

DE19736616B4 未知
公开(公告)号：DE19736616B4
公开(公告)日：2008-05-15
申请号：DE19736616
申请日：1997-08-22
申请人： SUMITOMO CHEMICAL CO
发明人： SATOH MAKOTO , KIYOTA TERUYOSHI , IMAI AKIO
IPC分类号： C08F4/658 , C08F4/02 , C08F4/64 , C08F4/642 , C08F4/643 , C08F4/651 , C08F4/656 , C08F10/00 , C08F110/06
摘要： The present invention relates to a solid catalyst component for alpha-olefin polymerization having a narrow particle size distribution of not less than 6.0 in terms of the value of N in a Rosin-Rammler function of particle size distribution and giving a catalytic activity of not less than 10,000 ((g-polymer produced/g-solid catalyst component)/hour) in polymerization. According to the present invention, there can be provided a solid catalyst component for alpha-olefin polymerization capable of giving a poly-alpha-olefin having the high bulk density and favorable particle properties with high catalytic activity.

96. 发明专利

DE69617713T2 未知
公开(公告)号：DE69617713T2
公开(公告)日：2002-08-08
申请号：DE69617713
申请日：1996-08-30
申请人： SUMITOMO CHEMICAL CO
发明人： KATAYAMA HIROAKI , IMAI AKIO , HANAOKA HIDENORI , KAWAMURA NORIO , MIYASHITA AKIRA
IPC分类号： C07F9/53 , C07F17/00 , C08F4/642 , C08F4/646 , C08F4/659 , C08F4/6592 , C08F10/00 , C08F210/16
摘要： A transition metal complex represented by the formula Ä1Ü wherein M is a transition metal atom of the group 4 of the periodic table of elements; Cp is a group having a cyclopentadiene type anionic skeleton; A and G are each a divalent residue containing an atom of the group 15 or 16 of the periodic table of elements and may be the same with or different from each other; X , X , R , R , R and R are each independently a hydrogen atom, halogen atom, alkyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyl group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryl group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom, substituted silyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, alkoxy group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyloxy group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryloxy group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom or a di-substituted amino group with the number of carbon atoms of 2-20, provided that R , R , R and R may optionally combine with each other to form a ring; L is a Lewis base and w is an integer of 0-2, an olefin polymerization catalyst and a process for producing olefin polymers which uses the catalyst.

97. 发明专利

DE69617713D1 未知
公开(公告)号：DE69617713D1
公开(公告)日：2002-01-17
申请号：DE69617713
申请日：1996-08-30
申请人： SUMITOMO CHEMICAL CO
发明人： KATAYAMA HIROAKI , IMAI AKIO , HANAOKA HIDENORI , KAWAMURA NORIO , MIYASHITA AKIRA
IPC分类号： C07F9/53 , C07F17/00 , C08F4/642 , C08F4/646 , C08F4/659 , C08F4/6592 , C08F10/00 , C08F210/16
摘要： A transition metal complex represented by the formula Ä1Ü wherein M is a transition metal atom of the group 4 of the periodic table of elements; Cp is a group having a cyclopentadiene type anionic skeleton; A and G are each a divalent residue containing an atom of the group 15 or 16 of the periodic table of elements and may be the same with or different from each other; X , X , R , R , R and R are each independently a hydrogen atom, halogen atom, alkyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyl group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryl group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom, substituted silyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, alkoxy group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyloxy group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryloxy group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom or a di-substituted amino group with the number of carbon atoms of 2-20, provided that R , R , R and R may optionally combine with each other to form a ring; L is a Lewis base and w is an integer of 0-2, an olefin polymerization catalyst and a process for producing olefin polymers which uses the catalyst.

98. 发明专利

DE69611056T2 未知
公开(公告)号：DE69611056T2
公开(公告)日：2001-05-10
申请号：DE69611056
申请日：1996-06-05
申请人： SUMITOMO CHEMICAL CO
发明人： FUJIWARA YASUKI , SATOH MAKOTO , IMAI AKIO
IPC分类号： C08F4/654 , C08F4/60 , C08F4/646 , C08F10/00
摘要： An alpha -olefin polymerization catalyst which comprises: (A) a solid catalyst component containing a tetra-valent titanium obtained by treating a magnesium compound having an Mg-O bond in its molecule with a titanium halide; (B) an organoaluminum compound; and (C) an organosilicon compound represented by the general formula R R Si(OR )2 wherein R represents a hydrocarbon group having 4 to 30 carbon atoms wherein a carbon bonded directly to Si is a tertiary carbon, R represents a straight chain hydrocarbon group having 2 to 20 carbon atoms and R represents a hydrocarbon group having 1 to 10 carbon atoms, or the general formula R R Si(OR )2 wherein R and R are hydrocarbon groups having an alicyclic hydrocarbon having 5 carbon atoms as a basic structure, R and R may be the same or different, and R represents a hydrocarbon group having 1 to 10 carbon atoms, and a process for producing alpha -olefin with said catalyst.

99. 发明专利

ITTO990116A1 未知
公开(公告)号：ITTO990116A1
公开(公告)日：2000-08-17
申请号：ITTO990116
申请日：1999-02-17
申请人： SUMITOMO CHEMICAL CO
发明人： SATOH MAKOTO , FUJIWARA YASUKI , IMAI AKIO
IPC分类号： C08F4/658 , C08F4/02 , C08F4/60 , C08F10/00
摘要： A catalyst for alpha-olefin polymerization obtained by contacting (A) a solid catalyst component containing a titanium compound which is obtained by treating a solid product obtained by contacting an organosilicon compound having an Si-O bond, an ester compound and an organomagnesium compound, with an ether compound, titanium tetrachloride and an acyl halide, and successively treating said treated solid with an mixture of an ether compound and titanium tetrachloride, or a mixture of an ether compound, titanium tetrachloride and an ester compound, (B) an organoaluminum compound and (C) an electron-donative compound, and a process for producing an alpha-olefin polymer with the catalyst.

100. 发明专利

DE69603811T2 未知
公开(公告)号：DE69603811T2
公开(公告)日：2000-04-27
申请号：DE69603811
申请日：1996-10-04
申请人： SUMITOMO CHEMICAL CO
发明人： KUMAMOTO SHIN-ICHI , SHIRAISHI HIROYUKI , IMAI AKIO
IPC分类号： C08F4/00 , C08F4/02 , C08F4/60 , C08F4/642 , C08F4/6592 , C08F10/00
摘要： An olefin polymerization catalyst having a high polymerization activity, which gives an olefin polymer excellent in particle properties when used in slurry polymerization or gas phase polymerization, may be obtained by supporting a transition metal compound and an organoaluminum compound and/or organoaluminumoxy compound on a carrier comprising a porous acrylic polymer having a polar functional group.

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