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公开(公告)号：EP1198484A1
公开(公告)日：2002-04-24
申请号：EP99937291.5
申请日：1999-07-15
发明人： VAN DUN, Jozef, J. , MIYAMOTO, Akira , JACOBSEN, Grant, B. , MATSUSHITA, Fumio , SCHOUTERDEN, Patrick, J. , SPENCER, Lee , CHUM, Pak-Wing, S. , MEISKE, Larry, A. , WAUTERAERTS, Peter, L.
IPC分类号： C08F110/02 , C08L23/06 , C08L23/16
CPC分类号： C08F110/02 , C08F4/65908 , C08F4/65912 , C08F4/6592 , C08F10/00 , C08F210/02 , C08F210/16 , C08L23/06 , C08L23/0815 , C08L2205/02 , C08F4/65916 , C08L2666/06 , C08F2500/07 , C08F2500/03 , C08F2500/02 , C08F2500/12 , C08F2500/13 , C08F2500/17 , C08F2500/04 , C08F2500/01 , C08F212/08 , C08F210/14
摘要： This invention relates to novel homopolymers important for applications where a high density is needed to ensure certain mechanical properties like abrasion resistance, indentation resistance, pressure resistance, topload resistance, modulus of elasticity, or morphology (for the chlorination of PE to CPE) and additional advantages such as melt processability. This invention also relates to blend compositions containing the novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact strength. The blend can be obtained by dry or melt mixing the already produced components, or through in-situ production by in parallel and/or in series arranged reactors. These resins can be used in applications such as films, blow molded, injection molded, and rotomolded articles, fibres, and cable and wire coatings and jacketings and, various forms of pipe.
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2.发明公开
公开(公告)号：EP0935639A1
公开(公告)日：1999-08-18
申请号：EP97945467.0
申请日：1997-10-01
CPC分类号： C08L23/12 , C08L23/0815 , C08L23/16 , C08L101/00 , C08L2314/06 , Y10T428/1352 , C08L2666/04 , C08L2666/14 , C08L2666/06 , C08L23/00
摘要： Melt processible thermoplastic compositions and method for making them are described, these compositions comprising a thermoplastic polymer resin matrix selected from the group consisting of thermoplastic polyurethanes, polyvinyl chlorides, styrenics, engineering thermoplastics, and polyolefins, at least 25 percent (by weight based on the total composition) of an elastomeric impact modifier dispersed as discrete particles in the thermoplastic matrix (a); and at least 10 percent (by weight based on the total composition) of at least one homogeneous linear or substantially linear ethylene polymer dispersed as discrete particles in at least the impact modifier (b), the ethylene polymer having a molecular weight distribution less than 3.5 and a density of at least 0.04 g/cm3 higher than the density of the impact modifier component (b), wherein the elastic modulus of the thermoplastic component (a) is at least 200 times greater than the elastic modulus of the impact modifier component (b). These thermoplastic compositions have improved processability. Processes for fabricating articles from them are described. The articles made with these compositions have improved properties such as low temperature impact strength, improved percent elongation to break, greater stiffness, and improved weld line strength, making them useful for applications requiring both strength and flexibility in low temperature environments, such as automotive components and facia.
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公开(公告)号：EP0204816A1
公开(公告)日：1986-12-17
申请号：EP86900383.0
申请日：1985-11-26
IPC分类号： C08F8
摘要： Des résines de polyéthylène halogénées et des résines de polymères d'éthylène halogénées ayant une tendence réduite aux "blocage" sont décrites. Les résines halogénées sont préparées respectivement à partir de matériaux de départ de polymères de polyéthylène et d'éthylène qui ont une dimension de particule moyenne calculée d'après le poids comprise entre 160 et 600 microns et une distribution de la dimension des particules d'après le poids telle que plus de 60 % des particules ont une taille comprise entre 150 et 850 microns. Les résines halogénées possèdent également une taille particulaire moyenne calculée d'après le poids compris entre 200 et 900 microns. Les résines de polyéthylène halogénées ont une teneur en halogène chimiquement combiné comprise entre 26 et 42% en poids tandis que les résines de polymère d'éthylène halogénées ont une teneur en halogène chimiquement combiné comprise entre 15 et 28% en poids. Les résines de polymère d'éthylène halogénées sont préparées à partir de matériaux de départ de polymères d'éthylène qui ont été polymérisés jusqu'à 5% en poids d'un monomère 1-oléfine copolymérisable avec l'éthylène.
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4.发明授权
公开(公告)号：EP0935639B1
公开(公告)日：2003-02-05
申请号：EP97945467.5
申请日：1997-10-01
IPC分类号： C08L101/00 , C08L23/04 , C08L23/12
CPC分类号： C08L23/12 , C08L23/0815 , C08L23/16 , C08L101/00 , C08L2314/06 , Y10T428/1352 , C08L2666/04 , C08L2666/14 , C08L2666/06 , C08L23/00
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公开(公告)号：EP0204816B1
公开(公告)日：1991-11-06
申请号：EP86900383.0
申请日：1985-11-26
IPC分类号： C08F8/20
摘要： Halogenated polyethylene resins and halogenated ethylene polymer resins having a reduced tendency to "block". The halogenated resins are prepared respectively from polyethylene and ethylene polymer starting materials which have a weight-based median particle size of from 160 to 600 microns and a weight-based particle size distribution such that more than 60 percent of the particles have a particle size of from 150 to 850 microns. The halogenated resins also have a weight-based median particle size of from 200 to 900 microns. The halogenated polyethylene resins have a chemically combined halogen content of from 26 to 42 weight percent whereas the halogenated ethylene polymer resins have a chemically combined halogen content of from 15 to 28 weight percent. The halogenated ethylene polymer resins are prepared from ethylene polymer starting materials which have polymerized therein up to five weight percent of 1-olefin monomer copolymerizable with ethylene.
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6.发明公开
公开(公告)号：EP0898586A1
公开(公告)日：1999-03-03
申请号：EP97926596.0
申请日：1997-05-16
发明人： JACOBSEN, Grant, B. , VAN DUN, Jozef, J. , CHUM, Pak-Wing, S. , MEISKE, Larry, A. , MATSUSHITA, Fumio , MIYAMOTO, Akira
CPC分类号： C08L23/04 , C08F4/65908 , C08F4/65912 , C08F4/65916 , C08F4/6592 , C08F10/00 , C08F210/16 , C08L23/06 , C08L23/0815 , C08L2205/02 , D01F6/46 , C08F2/14 , C08F2/001 , C08L2666/04 , C08F210/08 , C08F2500/12 , C08L2666/06
摘要： Disclosed is a process for the preparation of an ethylene copolymer by copolymerizing ethylene and at least one comonomer selected from a compound represented by the formula H2C=CHR wherein R is an alkyl group or an aryl group, and a diene, in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex.
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