-
1.发明授权IMPROVED PROPYLENE COPOLYMER HEAT SEAL RESIN AND ARTICLES THEREFROM 失效改进HEISSIEGELHARZ FROM丙烯共聚物及其制品
公开(公告)号：EP0760828B1
公开(公告)日：2001-05-23
申请号：EP95917179.4
申请日：1995-04-27
CPC分类号： C08J5/18 , B29C65/02 , B29C65/04 , B29C65/10 , B29C65/18 , B29C66/0242 , B29C66/71 , C08J2323/10 , B29K2023/12 , B29K2023/10
摘要： The temperatue at which propylene-copolymers produced by metallocene catalyst form a full strength heat seal is found to be lower than correspondingly similar melting point copolymers produced by conventional Ziegler-Natta catalyzed copolymers. At similar melting points, films made from metallocene catalyzed copolymers were also found to exhibit higher tensile modulus values relative to films from Ziegler-Natta catalyzed polypropylene copolymers. Films and articles made in accordance with the present invention offer greater stiffness properties, yet are sealable at lower temperatures than currently available.
-
2.发明公开
公开(公告)号：EP0797597A1
公开(公告)日：1997-10-01
申请号：EP95915015.0
申请日：1995-04-03
发明人： HENRY, David, T. , MCCLAIN, Douglas, J. , DOMINE, Joseph, D. , MEHTA, Aspy, Keki , ZAFIAN, William, Joseph , BARON, Norbert , FOLIE, Bernard Jean
CPC分类号： C08F210/16 , C08F2/34 , C08F2/001 , C08F210/06 , C08F2500/05 , C08F2500/08 , C08F2500/12
摘要： The invention provides a continuous process for catalytically polymerizing a monomer feed of ethylene and at least one comonomer which comprises introducing a catalyst including a bulky ancillary ligand transition metal compound and monomer feed in an upstream reaction zone for polymerization, introducing further catalyst in a downstream reaction zone for further polymerization, the peak temperature in the downstream reaction zone being at least 50 °C higher than in the upstream zone and being above 100 °C. The process economically produces polymer of good properties which is melt processable.
-
3.发明公开HEAT SEALABLE BLEND OF VERY LOW DENSITY POLYETHYLENE OR PLASTOMER WITH POLYPROPYLENE BASED POLYMERS AND HEAT SEALABLE FILM AND ARTICLES MADE THEREOF 失效超轻聚乙烯或具有Polypropenharz塑性体的可热粘合的混合物。
公开(公告)号：EP0575465A1
公开(公告)日：1993-12-29
申请号：EP92907395.0
申请日：1992-02-24
CPC分类号： B32B27/08 , B32B27/32 , B32B27/34 , B32B27/36 , B32B2307/31 , B32B2439/70 , C08J5/18 , C08J2323/08 , C08J2323/14 , C08L23/0815 , C08L23/14 , Y10S526/943 , Y10T428/31757 , Y10T428/31797 , Y10T428/31913 , C08L2666/06
摘要： L'invention se rapporte à des compositions thermoscellables qui servent dans la fabrication de films et de structures de films et qui comprennent: (a) 30 à 70 % en poids d'un polymère à base température de fusion contenant un copolymère à base d'éthylène ayant une densité comprise entre 0,88 g/cm3 et 0,915 g/cm3, un indice de fusion compris entre 1,5 dg/min et 7,5 dg/min, une répartition du poids moléculaire ne dépassant pas 3,5 et un facteur de distribution de la composition supérieure à 70 %; ainsi que (b) 70 à 30 % en poids d'un polymère à base de propylène, différent de (a), contenant un pourcentage molaire de propylène compris entre 88 et 100 et un pourcentage molaire d'une alpha-oléfine autre que le propylène compris entre 12 et 0.
-
公开(公告)号：EP0629151B1
公开(公告)日：1996-12-18
申请号：EP93906022.4
申请日：1993-02-17
发明人： MEHTA, Aspy, Keki
CPC分类号： C08J5/18 , C08F210/16 , C08F210/18 , C08J2323/16 , Y10S526/943 , C08F2500/03 , C08F2500/12 , C08F2500/08 , C08F2500/26 , C08F2500/21
摘要： Disclosed is a process for producing an elastic film of improved unload power which comprises producing a precursor film comprising an elastomer of ethylene copolymerized with a C3 to C20 alpha-olefin comonomer and/or a C3 to C20 polyene comonomer, the elastomer having a density of from 0.855 g/cm3 to 0.900 g/cm3, a melt index of from 0.2 to 1000 dg/min, a molecular weight distribution in the range of about 1.5 to 30, and a Composition Distribution Breadth Index (CDBI) of at least 45 percent; orienting the film to a draw ratio in the range of from 2:1 to 20:1; and annealing the oriented film at a temperature between the softening point and melting point of the elastomer. Further disclosed is an elastic film oriented to a draw ratio of from 2:1 to 20:1 and comprising a copolymer of ethylene polymerized with at least one comonomer selected from the group consisting of C¿3? to C20 alpha-olefins and C3 to C20 polyenes, the copolymer having a density in the range of 0.855 to 0.900 g/cm?3¿, a melt index in the range of 0.2 to 100, with a composition distribution index of at least 45 percent.
-
公开(公告)号：EP0564596B1
公开(公告)日：1996-02-28
申请号：EP92904128.3
申请日：1991-12-26
IPC分类号： C09J123/16
CPC分类号： C09J123/0815 , C08L2666/02 , C08L2666/04
摘要： Hot melt adhesive composition comprises an ethylene-C3-20 alpha-olefin copolymer of molecular weight 20,000-100,000 and comonomer content 6-30 weight percent and a tackifier. An isobutylene based liquid copolymer may additionally be incorporated.
-
公开(公告)号：EP0564596A1
公开(公告)日：1993-10-13
申请号：EP92904128.0
申请日：1991-12-26
CPC分类号： C09J123/0815 , C08L2666/02 , C08L2666/04
摘要： Hot melt adhesive composition comprises an ethylene-C3-20 alpha-olefin copolymer of molecular weight 20,000-100,000 and comonomer content 6-30 weight percent and a tackifier. An isobutylene based liquid copolymer may additionally be incorporated.
-
7.发明公开IMPROVED PROPYLENE COPOLYMER HEAT SEAL RESIN AND ARTICLES THEREFROM 失效改进HEISSIEGELHARZ FROM丙烯共聚物及其制品
公开(公告)号：EP0760828A1
公开(公告)日：1997-03-12
申请号：EP95917179.0
申请日：1995-04-27
CPC分类号： C08J5/18 , B29C65/02 , B29C65/04 , B29C65/10 , B29C65/18 , B29C66/0242 , B29C66/71 , C08J2323/10 , B29K2023/12 , B29K2023/10
摘要： The temperatue at which propylene-copolymers produced by metallocene catalyst form a full strength heat seal is found to be lower than correspondingly similar melting point copolymers produced by conventional Ziegler-Natta catalyzed copolymers. At similar melting points, films made from metallocene catalyzed copolymers were also found to exhibit higher tensile modulus values relative to films from Ziegler-Natta catalyzed polypropylene copolymers. Films and articles made in accordance with the present invention offer greater stiffness properties, yet are sealable at lower temperatures than currently available.
-
8.发明公开
公开(公告)号：EP0598848A1
公开(公告)日：1994-06-01
申请号：EP92919228.0
申请日：1992-08-14
CPC分类号： H01B7/2813 , C08L23/0815 , C08L23/083 , C08L2203/202 , C08L2312/00 , C08L2314/06 , H01B3/441 , Y10S174/28 , Y10S174/31 , Y10S428/93 , Y10S526/943 , Y10T428/239 , Y10T428/31692
摘要： Dispositifs semi-conducteurs et électriquement conducteurs utilisant des polymères possédant une résistance à l'arborescence aqueuse, de bonnes propriétés diélectriques, ainsi que d'autres propriétés améliorées. Le polymère comprend de l'éthylène polymérisé avec au moins une alpha-oléfine C3-C20 et, éventuellement, au moins un polyène C3-C20. Le polymère utilisé possède une densité située dans une plage de 0,86 g/cm3 à 0,96 g/cm3 environ, un indice de fusion situé dans une plage de 0,2 dg/min à 100 dg/min environ, une répartition de poids moléculaire située dans une plage de 1,5 à 30 environ, ainsi qu'un indice de largeur de répartition de composition supérieur à 45 % environ. En ce qui concerne le polymère utilisé, l'indice d'arborescence est généralement inférieur à 40, le facteur de puissance est situé dans une plage de 0,0002 à 0,0005 et la constante diélectrique est située dans une plage de 1,8 à 2,4.
-
公开(公告)号：EP0946641A1
公开(公告)日：1999-10-06
申请号：EP97951719.0
申请日：1997-12-16
CPC分类号： C08L23/12 , C08L23/142 , C08L23/16 , C08L2205/08 , C08L2666/04 , C08F210/06 , C08F210/18 , C08F236/20 , C08F2500/03 , C08F2500/12 , C08F2500/17 , C08F2500/20 , C08F2500/21 , C08F2500/25
摘要： A cross-linked or at least partially cross-linked thermoplastic elastomeric composition formed of from 10 to 90 percent of a first polymeric material comprised of ethylene, alpha-olefin and optionally a non-conjugated diene, and 90 to 10 percent of a second olefin polymeric material, wherein at least one of the first or second polymeric materials is at least partially the product of a metallocene polymerization reaction.
-
公开(公告)号：EP0788521B1
公开(公告)日：1998-12-23
申请号：EP95938287.0
申请日：1995-10-24
发明人： MEHTA, Aspy, Keki , SPEED, Charles, Stanley , CANICH, Jo, Ann, Marie , BARON, Norbert , FOLIE, Bernard, Jean , SUGAWARA, Makoto , WATANABE, Akihira , WELBORN, Howard, Curtis, Jr.
IPC分类号： C08F210/18 , C08F4/642
CPC分类号： C08F210/18 , Y02P20/582 , C08F210/14 , C08F2500/25 , C08F2500/12 , C08F2500/03 , C08F2500/09 , C08F2500/06 , C08F210/08 , C08F2500/20
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.011 秒)
