专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明专利

JP2008247851A Method for producing tetracyclododecene 有权
标题翻译：生产四氯化邻苯二酚的方法
公开(公告)号：JP2008247851A
公开(公告)日：2008-10-16
申请号：JP2007093197
申请日：2007-03-30
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： OBATA ATSUO , UEDA NAOHIRO , SUZUKI TOMOHIRO , YASAKA NAOTO , SUZUKI TAKESHI
IPC分类号： C07C2/50 , C07C13/68
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a highly pure tetracyclododecene stably and efficiently.
SOLUTION: The method for producing tetracyclododecene by continuously feeding ethylene, cyclopentadiene or dicyclopentadiene, and norbornene as raw materials to a reactor is characterized by causing dicyclopentadiene to absorb raw material components contained in the exhaust gas from the reactor and feeding the dicyclopentadiene having absorbed the raw material components to the reactor as a raw material.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供稳定有效地生产高纯度四环十二碳烯的方法。解决方案：通过将乙烯，环戊二烯或二环戊二烯和降冰片烯作为原料连续供给到反应器中来生产四环十二碳烯的方法的特征在于使二环戊二烯吸收来自反应器的废气中包含的原料成分，并将具有将原料成分作为原料吸收到反应器中。版权所有（C）2009，JPO＆INPIT

12. 发明专利

JP2002284941A SOFT RESIN COMPOSITION FOR INJECTION MOLDING AND USE THEREOF 审中-公开
公开(公告)号：JP2002284941A
公开(公告)日：2002-10-03
申请号：JP2002004804
申请日：2002-01-11
申请人： MITSUI CHEMICALS INC
发明人： MATAYOSHI TOMOYA , YASAKA NAOTO , YAMAGUCHI MASAYOSHI
IPC分类号： C08J7/04 , B29C45/00 , B29K23/00 , B29L31/00 , C08J5/00 , C08L23/08
摘要： PROBLEM TO BE SOLVED: To provide a soft resin composition which is used for injection moldings, has flexibility and can be used to prepare transluscent injection moldings having excellent appearances in good productivity, to provide an injection molding capable of being used as a soft toy, an everyday sundry, or the like, and to provide a coated injection molding having excellent coating film adhesiveness. SOLUTION: This soft resin composition for injection moldings, comprising an ethylene/α-olefin copolymer whose comonomer is a 3 to 10C α-olefin, and (B) a polyolefin in a specific ratio is characterized in that the component (A) has a Shore A hardness of 40 to 95, a MFR2.16 of 1.0 to 20 g/10 min, and a density of 855 to 900 kg/m and in that the component (B) has a MFR2.16 of 1.0 to 100 g/10 min, and a density of 910 to 925 kg/m and satisfies the following relational expression: MT>2.2×(MFR2.16 ) [MT (g) is a melt tension at 190 deg.C]. The injection molding comprises the above-described composition, and the surface of the injection molding may be coated. The tool and the everyday sundry comprise the injection moldings, respectively.

13. 发明专利

JP2001146534A FLEXIBLE RESIN COMPOSITION 失效
公开(公告)号：JP2001146534A
公开(公告)日：2001-05-29
申请号：JP2000251793
申请日：2000-08-23
申请人： MITSUI CHEMICALS INC
发明人： SUEDA KIMINOBU , YASAKA NAOTO
IPC分类号： E04B1/82 , C08K3/00 , C08L23/00 , C08L23/08 , C08L51/06 , G10K11/162
摘要： PROBLEM TO BE SOLVED: To obtain a flexible resin composition for sound insulators having an excellent sound insulation property and moldability which exhibits little breaking and whitening at flexing. SOLUTION: A filler-filled flexible olefin resin composition has a specific weight of from 1.5 to 2.5, a tensile elongation of from 100 to 1,500% and a JIS-A hardness of from 80 to 90 and exerts substantially no breaking nor whitening in a 180 deg. bending test. The filler-filled flexible olefin resin composition comprises from 15 to 50 pts.wt. ethylene/α-olefin copolymer mixture (A) and from 50 to 85 pts.wt. inorganic filler (B). Here, the ethylene/α-olefin copolymer mixture (A) is a mixture of at least two ethylene/α-olefin copolymers having different MFRs and densities of from 0.85 to 0.89 g/cm3 and has a MFR of from 0.5 to 10 g/10 min.

14. 发明专利

JP2001040154A SOFT RESIN COMPOSITION 失效
公开(公告)号：JP2001040154A
公开(公告)日：2001-02-13
申请号：JP21187799
申请日：1999-07-27
申请人： MITSUI CHEMICALS INC
发明人： TANAKA YASUO , YASAKA NAOTO
IPC分类号： C08F4/645 , C08F4/6592 , C08F110/00 , C08F210/00 , C08L23/08 , C08L23/10 , C08L23/12 , C08F110/06 , C08F210/02
摘要： PROBLEM TO BE SOLVED: To obtain a molded product exhibiting flexibility excellently balanced with heat resistance and compression set and improved in scratch resistance and transparency by melt-kneading an ethylene/α-olefin random copolymer having specific characteristics with a polypropylene resin. SOLUTION: The objective soft resin composition comprises 100 pts.wt. of a long chain, branched ethylene/α-olefin random copolymer (A) comprising ethylene and a 3-20C α-olefin and 2-200 pts.wt. of a polypropylene resin (B). The component A is obtained by copolymerization in the presence of a metallocene-based catalyst and is characterized in that it has a density of not more than 0.900 g/cm3, an intrinsic viscosity [η] of 0.3-3.0 dl/g, a glass transition temperature of not higher than -50 deg.C, a degree of crystallinity by the X-ray diffractometry of less than 40%, a GPC mol.wt. distribution (Mw/Mn) of not more than 3.0, a B value of 0.9-1.4 and gη* of 0.2-0.95. The component B is characterized in that it has an MFR of 1-150 g/10 min and an initial flexural modulus of not more than 1,500 MPa.

15. 发明专利

JP2000129051A POLYPROPYLENE RESIN COMPOSITION FOR FILM 失效
公开(公告)号：JP2000129051A
公开(公告)日：2000-05-09
申请号：JP30686198
申请日：1998-10-28
申请人： MITSUI CHEMICALS INC
发明人： TANAKA YASUO , YASAKA NAOTO
IPC分类号： C08L23/10
摘要： PROBLEM TO BE SOLVED: To provide a polypropylene resin compsn. improved in heat seal strength and low-temp. heat sealability and excellent in low-temp. impact strength and clarity by decreasing the particle size of a rubber component dispersed in the resin compsn. SOLUTION: This compsn, comprises (A) 50-99 wt.% polypropylene resin and (B) 50-1 wt.% rubber component which comprises (i) 95-5 wt.% ethylene random copolymer formed from ethylene and a 4-20C α-olefin and having a density of 0.850-0.875 g/cm3 and an MFR190 of 0.1-50 g/10 min and (ii) 5-95 wt.% 1-butene random copolymer formed from 1-butene and a 4-20C α-olefin other than 1-butene and having a 1-butene content of 60-99 mol% and an MFR190 of 0.1-50 g/10 min.

16. 发明专利

JP2008024950A Cross-linked olefinic elastomer foam and elastomer composition therefor 有权
标题翻译：交联的烯烃弹性体泡沫和弹性体组合物
公开(公告)号：JP2008024950A
公开(公告)日：2008-02-07
申请号：JP2007266429
申请日：2007-10-12
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： SUEDA KIMINOBU , YASAKA NAOTO , YUU CHONGU-SUN , YOON JEONG-SIK , CHOI KYUNGU-MAN , RII KUON-IKU
IPC分类号： C08J9/06 , C08K5/14 , C08L23/08 , C08L23/26
摘要： PROBLEM TO BE SOLVED: To provide a cross-linked olefinic elastomer foam which is free from skin roughness due to defoaming in a high expansion ratio, has flexible touch and small compression permanent strain, and is excellent in tear strength characteristics and heat resistance, and to provide an elastomer composition for the cross-linked foam. SOLUTION: This cross-linked olefinic elastomer foam is obtained by thermally treating an olefinic elastomer composition comprising an ethylene-α-olefin copolymer (A) having a specific density and a specific MFR, a modified polyolefin prepared by grafting an unsaturated carboxylic acid to a polyolefin and/or high pressure method low density polyethylene having a specific density and a specific MFR, an organic peroxide, a cross-linking auxiliary, and a foaming agent. The copolymer (A) includes a composition comprising an ethylene-α-olefin copolymer (A1) having a specific density and a specific MFR and an ethylene-α-olefin copolymer (A2) having a specific density and a specific MFR, wherein the MFR of a mixture of both the copolymers is in a specific range. The elastomer composition for the cross-linked olefinic elastomer foam is an elastomer composition used for preparing the cross-linked foam. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种交联的烯烃弹性体泡沫体，其由于高膨胀比的消泡而没有皮肤粗糙度，具有柔软的触感和小的压缩永久变形，并且具有优异的撕裂强度特性和热量并且提供用于交联泡沫体的弹性体组合物。解决方案：该交联的烯属弹性体泡沫体通过热处理包含具有特定密度和比MFR的乙烯-α-烯烃共聚物（A）的烯烃弹性体组合物，通过接枝不饱和羧酸制备的改性聚烯烃酸与聚烯烃和/或高压法具有特定密度和比MFR的低密度聚乙烯，有机过氧化物，交联助剂和发泡剂。共聚物（A）包括含有特定密度和比MFR的乙烯-α-烯烃共聚物（A1）和具有特定密度和比MFR的乙烯-α-烯烃共聚物（A2）的组合物，其中MFR 的两种共聚物的混合物都在特定范围内。用于交联的烯属弹性体泡沫体的弹性体组合物是用于制备交联泡沫体的弹性体组合物。版权所有（C）2008，JPO＆INPIT

17. 发明专利

JP2002294216A SEALANT COMPOSITION AND ITS USE 失效
公开(公告)号：JP2002294216A
公开(公告)日：2002-10-09
申请号：JP2001096827
申请日：2001-03-29
申请人： MITSUI CHEMICALS INC
发明人： YASAKA NAOTO , KINOSHITA KENJIRO
IPC分类号： C08J5/18 , B32B27/00 , B32B27/32 , C08L23/12 , C08L23/20 , C09K3/10
摘要： PROBLEM TO BE SOLVED: To provide a sealant composition which is possible to form a sealant layer having an excellent low temperature heat sealability, and being capable of controlling a change of the heat sealability due to aging, and to provide a sealant film using the composition. SOLUTION: The sealant composition comprises a polypropylene (A) of 0.1-20 g/10 min of MFR, a copolymer of 1-butene-α-olefin (B) having 0.1-25 g/10 min MFR, and a high density polyethylene (C) in a specified ratio thereof. The sealant film comprises a single layer film or a laminated film of at least two layers having a non-oriented film or an oriented film comprising the composition as a sealant layer. The thickness of the sealant layer is 1-100 μm in the case of the non-oriented film, or 0.1-10 μm in the case of the oriented film. The sealant layer is desirably formed on one side or both sides of a crystalline polypropylene base layer.

18. 发明专利

JP2002179852A SEALANT MATERIAL FOR POLYPROPYLENE AND READILY OPENABLE HERMETICALLY SEALED CONTAINER 失效
公开(公告)号：JP2002179852A
公开(公告)日：2002-06-26
申请号：JP2000384275
申请日：2000-12-18
申请人： MITSUI CHEMICALS INC
发明人： YASAKA NAOTO , YAMAGUCHI MASAYOSHI
IPC分类号： B65D65/40 , B32B27/00 , B32B27/32 , B65D77/20 , C08L23/04 , C08L23/06 , C08L23/08 , C08L23/16 , C09K3/10 , C09K3/12 , F16J15/10
摘要： PROBLEM TO BE SOLVED: To prepare a readily openable hermetically sealed container with which nick-in in extrusion lamination molding can be reduced, which has excellent stability of bubble in inflation process and develops a sealing strength for readily opening a hermetically sealed container formed by using a polypropylene as an adherend. SOLUTION: This sealant for a propylene is composed of a composition comprising a low-density polyethylene (A) by a high pressure method having 910-930 kg/m3 density and 0.5-20 g/10 minutes MFR, an ethylene/α-olefin copolymer (B) having 860>= kg/cm3 and

19. 发明专利

JP2000344976A POLYPROPYLENE BASED RESIN COMPOSITION FOR FILM 失效
公开(公告)号：JP2000344976A
公开(公告)日：2000-12-12
申请号：JP16184699
申请日：1999-06-09
申请人： MITSUI CHEMICALS INC
发明人： TANAKA YASUO , YASAKA NAOTO
IPC分类号： C08J5/18 , C08L23/08 , C08L23/10 , C08L23/20
摘要： PROBLEM TO BE SOLVED: To provide a polypropylene resin composition excellent in heat seal strength, impact resistance at low temperatures, tensile characteristics and transparency. SOLUTION: This polypropylene-based resin composition for films comprises 50-99 wt.% of (A) a polypropylene resin and 1-50 wt.% of (B) a rubber component and the aforesaid rubber component comprises a random copolymer composition comprising (i) an ethylene-based random copolymer comprising a random copolymer of ethylene with a 4-20C α-olefin having 0.850-0.875 g/cm3 density and at least one of the following (ii) and (iii) in the weight ratio ranging from 95:5 to 50:50; (ii) a 1-butene-based random copolymer containing 60-99 mole % of 1-butene, (iii) a propylene-based random copolymer containing 50-90 mole % of propylene.

20. 发明专利

JP2000344925A OLEFIN-BASED ELASTOMER CROSSLINKED FOAM AND ITS ELASTOMER COMPOSITION FOR THE CROSSLINKED FOAM 失效
公开(公告)号：JP2000344925A
公开(公告)日：2000-12-12
申请号：JP31059399
申请日：1999-11-01
申请人： MITSUI CHEMICALS INC
发明人： SUEDA KIMINOBU , YASAKA NAOTO , YUU CHONGU-SUN , YOON JEONG-SIK , CHOI KYUNGU-MAN , RII KUON-IKU
IPC分类号： C08J9/06 , C08K5/14 , C08L23/08
摘要： PROBLEM TO BE SOLVED: To obtain the subject foam having a high expansion ratio, causing no chapped skin by defoaming, having a soft touch, a low permanent compression set and excellent tear strength characteristics and heat resistance by making the foam include an ethylene/α-olefin copolymer having specific physical properties and a modified polyolefin. SOLUTION: This olefin-based elastomer cross-linked foam is obtained by melting and plasticizing a composition comprising (A) 70-95 pts.wt. of an ethylene/α-olefin copolymer having 0.88-0.92 g/cm3 density and 0.1-10 g/10 minutes melt flow rate (ASTM D 1,238, 190 deg.C, 2.16 kg load), (B) 5-30 pts.wt. of a modified polyolefin obtained by grafting an unsaturated carboxylic acid or its derivative onto a polyolefin, (C) an organic peroxide (e.g. dicumyl peroxide), (D) a crosslinking auxiliary (e.g. sulfur, etc.), and (E) a blowing agent (e.g. azodicarbonamide, etc.), by a kneader, pelletizing the mixture by a granulator making pellets into a sheet by an extruder, melting the sheet under pressure at 160-175 deg.C and foaming the sheet.

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