专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明专利

JPH11256028A THERMOPLASTIC POLYURETHANE COMPOSITION 失效
公开(公告)号：JPH11256028A
公开(公告)日：1999-09-21
申请号：JP5791798
申请日：1998-03-10
申请人： KURARAY CO
发明人： SAITO HIDEKAZU , YOKOTA SHINICHI
IPC分类号： C08L75/04 , C08L23/08
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic polyurethane composition which can give in high productivity a molding such as a film or a sheet having not only suitable strength and small residual strain after elongation but also excellent adhesion to various substrates and to provide a molding made therefrom. SOLUTION: There is provided a thermoplastic polyurethane resin composition comprising a thermoplastic polyurethane (a) comprising units of an polymer polyol having 2.01-2.10 hydroxyl groups per molecule and having a number- average molecular weight of 500-8,000, units of an organic diisocyanate, and units of a chain extender and having a nitrogen content of 2.5 wt.% or below, a thermoplastic polyurethane (b) comprising units of a polyester diol having a number-average molecular weight of 1,500-5,000, units of an organic diisocyanate, and units of a chain extender, having a nitrogen content of 2.6 wt.% or above, showing an endothermic peak at 200-220 deg.C as measured by differential scanning calorimetry, and having a crystallization enthalpy of 2-15 J/g as determined from the endothermic peak, and an ethylene/α-olefin copolymer (c) and containing 40-80 wt.% component (a), 60-20 wt.% component (b), and 5-250 wt.% component (c) [each amount is based on the total weight of components (a) and (b)].

82. 发明专利

JPH11228809A THERMOPLASTIC RESIN COMPOSITION 失效
公开(公告)号：JPH11228809A
公开(公告)日：1999-08-24
申请号：JP3451298
申请日：1998-02-17
申请人： KURARAY CO
发明人： SAITO HIDEKAZU , YOKOTA SHINICHI
IPC分类号： C08J5/18 , C08G18/66 , C08K5/20 , C08L23/08 , C08L75/04
摘要： PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition capable of manufacturing formed products such as films and sheets having excellent quality in high productivity, and the formed products obtained from the composition. SOLUTION: This composition comprises (a) a thermoplastic polyurethane consisting of a polymer polyol unit having 2.01 to 2.10 of hydroxyl groups per molecule and a number average molecular weight of 500 to 8000, an organic diisocyante unit and a chain extender unit, (b) an ethylene-α-olefin copolymer, (c) a block copolymer consisting of an aromatic vinyl polymer block and a conjugated diene polymer block and their hydrogenated products and (d) a bisamide compound, and containing 30 to 90 wt.%. of the component (a), 70 to 10 wt.%. of the component (b), 1-30 wt.%. of the component (c) and 0.05 to 10 wt.%. of the component (d) based on the sum of the components (a) and (b).

83. 发明专利

JPH10168301A THERMOPLASTIC POLYURETHANE COMPOSITION 失效
公开(公告)号：JPH10168301A
公开(公告)日：1998-06-23
申请号：JP32948796
申请日：1996-12-10
申请人： KURARAY CO
发明人： SAITO HIDEKAZU , YOKOTA SHINICHI
IPC分类号： C08J5/18 , C08G18/65 , C08K5/20 , C08L23/08 , C08L75/04
摘要： PROBLEM TO BE SOLVED: To obtain the subject composition not only excellent in blocking resistance but also capable of obtaining a film suitable for an elastic material by compounding a specific olefin copolymer, polyethylene and amido compound in prescribed amounts. SOLUTION: This composition consist of (A) 35-75wt.% of a thermoplastic polyurethane, (B) 20-60% of the olefin copolymer comprising an ethylene unit and an α-olefin unit having 7 or more carbon in molar ratio of 75/25-95/5, (C) 5-12% of polyethylene having 0.01-0.3g/10minuetes of melt index (at 190 deg.C, under 2.16kg load), (D) 0.1-5% of at least one amido compound expressed by formula I (R , R are each an alky, an alkenyl; R is an alkylene, an arylene) and formula II (R , R are each an alkyl, an alkenyl; R is an alkylene, an arylene).

84. 发明专利

JPH10168300A THERMOPLASTIC POLYURETHANE COMPOSITION 失效
公开(公告)号：JPH10168300A
公开(公告)日：1998-06-23
申请号：JP32948596
申请日：1996-12-10
申请人： KURARAY CO
发明人： SAITO HIDEKAZU , YOKOTA SHINICHI
IPC分类号： C08L75/04 , C08L23/18
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic polyurethane composition which is not only excellent in blocking resistance but also in elongation with a low stress, high in restored stress after elongation, and low in residual strain after elongation, and moldings such as a film and sheet can be smoothly manufactured, and to provide moldings made from the composition. SOLUTION: This thermoplastic polyurethane composition comprises a thermoplastic polyurethane (a), an olefin copolymer (b) consisting of ethylene unit (I) and α-olefin unit (II) having not less than 7C, with a mol ratio of unit (I)/unit (II) of 75/25-95/5, and a polyethylene (C) having a melt index (190

85. 发明专利

JPH07228773A RESIN COMPOSITION FOR SURFACE-MOUNTED COMPONENT 失效
公开(公告)号：JPH07228773A
公开(公告)日：1995-08-29
申请号：JP2100394
申请日：1994-02-18
申请人： KURARAY CO
发明人： OKA HIDEAKI , KASHIWAMURA TSUGIFUMI , YOKOTA SHINICHI , HAYASHIBARA HIROSHI
IPC分类号： C08K3/00 , C08K3/10 , C08L77/00 , C08L77/06
摘要： PURPOSE:To obtain a resin composition being excellent in properties such as moldability, toughness and chemical properties as well as in soldering-heat resistance, having especially low water absorbency, reduced in dimensional change and a change in insulation resistance and markedly reduced in outgassing. CONSTITUTION:This composition comprises 100 pts.wt. polyamide made from a dicarboxylic acid component comprising 60-100mol% terephthalic acid and a diamine component comprising 60-100mol% 1,9-nonanediamine and having an intrinsic viscosity [eta] of 0.4-3.0dl/g as measured in concentrated sulfuric acid at 30 deg.C, 0.01-1 pts.wt. copper compound, and 0.01-2 pts.wt. nucleator.

86. 发明专利

JPH07228693A PRODUCTION OF POLYAMIDE 失效
公开(公告)号：JPH07228693A
公开(公告)日：1995-08-29
申请号：JP2056494
申请日：1994-02-17
申请人： KURARAY CO
发明人： OKA HIDEAKI , KASHIWAMURA TSUGIFUMI , YOKOTA SHINICHI , HAYASHIBARA HIROSHI
IPC分类号： C08G69/28 , C08G69/26
摘要： PURPOSE:To obtain a polyamide having excellent various performances such as mechanical performance, heat resistance, low water absorption properties, chemical resistance, etc. CONSTITUTION:In producing a crystalline polyamide comprising a dicarboxylic acid component composed of 60-100mol% of terephthalic acid in the dicarboxylic acid component and a diamine component constituted of 60-100mol% of a 6-18C aliphatic diamine component in the diamine component as a first stage, a low- molecular condensate [A] is synthesized as a second stage, the low-molecular condensate is heated in a solid phase state and subjected to polycondensation to give a prepolymer [B] and, as a third stage, the prepolymer [B] is further highly polymerized by a melt extruder to provide a method for producing a polyamide [C]. The heating temperature [T1] in the solid phase state at the second stage is in a temperature range between the melting point of the low- molecular [A] and a temperature 150 deg.C lower than this melting point and the heating temperature [T2] by the melt extruder at the third stage is a temperature range between the melting point of the prepolymer [B] and a temperature 150 deg.C higher than that melting point, in the objective methat.

87. 发明专利

JPH07228692A MOLDING MATERIAL FOR SLIDING MATERIAL 失效
公开(公告)号：JPH07228692A
公开(公告)日：1995-08-29
申请号：JP2100594
申请日：1994-02-18
申请人： KURARAY CO
发明人： OKA HIDEAKI , KASHIWAMURA TSUGIFUMI , YOKOTA SHINICHI , HAYASHIBARA HIROSHI
IPC分类号： F16C33/20 , C08G69/26 , C08L77/00 , C08L77/06
摘要： PURPOSE:To obtain a molding material for a polyamide-based sliding material useful as a molding material for various sliding material, having excellent sliding characteristics and all excellent performances of low water absorption properties, toughness, chemical resistance, moldability, lightweight, etc. CONSTITUTION:This molding material for a sliding material comprises a polyamide composed of a dicarboxylic acid component constituted of 60-100mol% of terephthalic acid in the dicarboxylic acid component and a diamine component constituted of 60-100mol% of 1,9-nonanediamine in the diamine component and has 0.4-3.0-dl/g [

88. 发明专利

JPH07228691A MATERIAL FOR BLOW MOLDING 失效
公开(公告)号：JPH07228691A
公开(公告)日：1995-08-29
申请号：JP2100694
申请日：1994-02-18
申请人： KURARAY CO
发明人： OKA HIDEAKI , KASHIWAMURA TSUGIFUMI , YOKOTA SHINICHI , HAYASHIBARA HIROSHI
IPC分类号： C08G69/26
摘要： PURPOSE:To obtain a material for blow molding useful as a molding material for various kinds of sliding materials, having excellent sliding characteristics and all excellent performances of low water absorption properties, toughness, chemical resistance, moldability, lightweight, etc. CONSTITUTION:This material for blow molding comprises a polyamide composed of a dicarboxylic acid component constituted of 60-100 mol % of terephthalic acid in the dicarboxylic acid component and a diamine component constituted of 60-100mol% of 1,9-nonanediamine in the diamine component and has 1.6-3.0dl/g $[

89. 发明专利

JPH07228690A POLYAMIDE 失效
公开(公告)号：JPH07228690A
公开(公告)日：1995-08-29
申请号：JP1958594
申请日：1994-02-16
申请人： KURARAY CO
发明人： OKA HIDEAKI , KASHIWAMURA TSUGIFUMI , YOKOTA SHINICHI , HAYASHIBARA HIROSHI
IPC分类号： C08G69/26
摘要： PURPOSE:To obtain a polyamide useful as a molding material for an industrial material, a household article, etc., having excellent hot water resistance, surface beauty, heat resistance, mechanical characteristics, low water absorption properties and chemical resistance. CONSTITUTION:This polyamide comprises a dicarboxylic acid component composed of 60-100mol% of terephthalic acid in the dicarboxylic acid component, a diamine component composed of 60-100mol% of 1,9-nonanediamine in the diamine component and has 0.6-2.0 dl/g intrinsic viscosity [ =10mol% hindered end group.

90. 发明专利

JPH062866B2 失效
公开(公告)号：JPH062866B2
公开(公告)日：1994-01-12
申请号：JP8960285
申请日：1985-04-24
申请人： KURARAY CO
发明人： TANIGUCHI TOSHIRO , YOKOTA SHINICHI , TAKAMOTO KATSUNORI , OKUNO KENJI
IPC分类号： C08L67/00 , C08K7/02 , C08L23/00 , C08L23/26 , C08L67/02 , C08L101/00

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