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公开(公告)号：US5569711A
公开(公告)日：1996-10-29
申请号：US431025
申请日：1995-04-28
CPC分类号： G11B7/2538 , C08L23/08 , C08L45/00 , C08L51/04 , C08L51/06 , C08L65/00 , C08L77/00 , C08L21/00
摘要： The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.
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公开(公告)号：US5439973A
公开(公告)日：1995-08-08
申请号：US333337
申请日：1994-11-02
CPC分类号： G11B7/2538 , C08L23/08 , C08L45/00 , C08L51/04 , C08L51/06 , C08L65/00 , C08L77/00 , C08L21/00
摘要： The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.
摘要翻译： 本发明的环烯烃树脂组合物包含：[a]环烯烃树脂，其选自（a-1）具有来源于特定结构的环烯烃的重复单元的环烯烃无规共聚物，（a-2）开环（共）聚合物 的环烯烃（a-3）是开环（共）聚合物的氢化产物和（a-4）无规共聚物（a-1）的接枝改性产物，开环（共）聚合物（a-3） -2）及其氢化产物（a-3）; [b]（b-1）未改性弹性体，（b-2）改性弹性体，（b-3）未改性结晶聚烯烃和（b-4）改性结晶聚烯烃中的至少一种; 和[C]聚酰胺树脂。 由这些环烯烃树脂组合物形成的成型品特别优异地耐油脂性。
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公开(公告)号：US5585433A
公开(公告)日：1996-12-17
申请号：US431012
申请日：1995-04-28
摘要： The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.
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公开(公告)号：US06642340B1
公开(公告)日：2003-11-04
申请号：US09609119
申请日：2000-06-30
IPC分类号： C08F1014
CPC分类号： C08J5/18 , C08F4/65912 , C08F4/65916 , C08F4/65922 , C08F210/16 , C08J2323/08 , Y10S526/943 , C08F210/14 , C08F2500/11 , C08F2500/12 , C08F2500/26
摘要： A process for preparing an ethylene/&agr;-olefin copolymer, which includes the steps of (A) copolymerizing ethylene and an &agr;-olefin of 3 to 20 carbon atoms by continuous vapor phase polymerization; (B) copolymerization is conducted in the presence of a prepolymerized catalyst obtained by prepolymerizing an olefin in the presence of (a) a transition metal compound, (b) an organoaluminum oxy-compound, (c) a fine particle carrier, and optionally (d) an organoaluminum compound; and (C) copolymerization is conducted under such condition that the partial pressure of sum total of ethylene and &agr;-olefin is 10 to 28 kg/cm2. The resulting ethylene/&agr;-olefin copolymer has the following properties: (i) the density is in the range of 0.880 to 0.960 g/cm3, (ii) the melt flow rate of 190° C. under a load of 2.16 kg is in the range of 0.1 to 100 g/10 min, (iii) the melt tension (MT (g)) at 190° C. and the melt flow rate (MFR (g/10 min)) satisfy the relation MT≦2.2×MFR−084.
摘要翻译： 一种制备乙烯/α-烯烃共聚物的方法，其包括以下步骤：（A）通过连续气相聚合共聚乙烯和3-20个碳原子的α-烯烃; （B）在（a）过渡金属化合物，（b）有机铝氧化合物，（c）微粒载体和任选的（a）过渡金属化合物的存在下，将烯烃预聚合得到的预聚合催化剂进行共聚合） d）有机铝化合物; 和（C）在乙烯与α-烯烃的总和分压为10〜28kg / cm 2的条件下共聚合。 所得的乙烯/α-烯烃共聚物具有以下性质：（i）密度在0.880至0.960g / cm 3的范围内，（ii）在2.16的负载下熔体流动速率为190℃ kg在0.1〜100g / 10min的范围内，（iii）190℃下的熔融张力（MT（g））和熔体流动速率（MFR（g / 10min））满足MT < = 2.2XMFR <-084>。
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公开(公告)号：US5516841A
公开(公告)日：1996-05-14
申请号：US431011
申请日：1995-04-28
CPC分类号： G11B7/2538 , C08L23/08 , C08L45/00 , C08L51/04 , C08L51/06 , C08L65/00 , C08L77/00 , C08L21/00
摘要： The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.
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公开(公告)号：US5277988A
公开(公告)日：1994-01-11
申请号：US826666
申请日：1992-01-29
申请人： Masahiro Sugi , Takasi Nakagawa
发明人： Masahiro Sugi , Takasi Nakagawa
IPC分类号： B32B27/32 , C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C09J123/06 , C09J123/08 , C08L23/04 , C08L23/16
CPC分类号： C09J123/06 , B32B27/322 , C08L23/06 , C08L23/0815 , C09J123/0815 , C08L2205/02 , C08L2205/03 , C08L23/12 , C08L23/14 , Y10T428/2826 , Y10T428/31913
摘要： A heat seal material having a plurality of resin surfaces which are positioned face to face and can be heat-fused together, at least one of the resin surfaces being formed of a resin composition comprising(A) 30 to 85% by weight of low-density polyethylene having a density of 0.91 to 0.94 g/cm.sup.3 and a crystallinity of more than 40%,(B) 5 to 40% by weight of polypropylene, and(C) 10 to 40% by weight of a low-crystalline or substantially amorphous ethylene/alpha-olefin copolymer.
摘要翻译： 一种热封材料，其具有多个树脂表面，所述多个树脂表面面对面并且可以被热熔合在一起，所述树脂表面中的至少一个由树脂组合物形成，所述树脂组合物包含（A）30至85重量％ 密度为0.91〜0.94g / cm 3，结晶度大于40％的密度聚乙烯，（B）5〜40重量％的聚丙烯，（C）10〜40重量％的低结晶性或基本上 无定形乙烯/α-烯烃共聚物。
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公开(公告)号：US5218049A
公开(公告)日：1993-06-08
申请号：US482256
申请日：1990-02-20
申请人： Yohzoh Yamamoto , Takasi Nakagawa
发明人： Yohzoh Yamamoto , Takasi Nakagawa
CPC分类号： C08J5/18 , C08G61/02 , C08L65/00 , C08J2365/00
摘要： A sheet or a film composed of at least one cyclo-olefin polymer selected from the group consisting of ring-opened polymers derived from at least one cyclo-olefin of formula (I) ##STR1## wherein R.sup.1 to R.sup.12, independently from each other, represent a member selected from the class consisting of a hydrogen atom, halogen atoms and hydrocarbon groups; two of R.sup.9 to R.sup.12 may be linked to each other together with the carbon atoms to which they are bonded to form a monocyclic or polycyclic group which may contain a double bond; R.sup.9 and R.sup.10, or R.sup.11 and R.sup.12 may each form an alkylidene group together with the carbon atoms to which they are bonded; and n is 0 or a positive integer,ring-opened copolymers derived from the cyclo-olefins of formula (I), hydrogenation products of said polymer or copolymers and addition polymers of the cyclo-olefins of formula (I) with ethylene, said cyclo-olefin polymer having an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of 0.01 to 10 dl/g and a softening temperature of at least 70.degree. C.
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公开(公告)号：US5140053A
公开(公告)日：1992-08-18
申请号：US481631
申请日：1990-02-20
申请人： Yohzoh Yamamoto , Takasi Nakagawa
发明人： Yohzoh Yamamoto , Takasi Nakagawa
CPC分类号： C08J9/12 , C08G61/02 , C08J9/06 , C08L65/00 , C08J2365/00
摘要： A foamable polymer composition comprising[A] at least one cyclo-olefin resin selected from the group consisting of(A-1) ring-opened polymers derived from cyclo-olefins represented by the following general formula [I],(A-2) ring-opened copolymers derived from the cyclo-olefins of general formula [I],(A-3) hydrogenation products of the ring-opened polymers (A-1),(A-4) hydrogenation products of the ring-opened copolyers (A-2), and(A-5) addition polymers of the cycloolefins of general formula [I] with ethylene, and[B] a blowing agent, ##STR1## wherein n is 0 or a positive integer; R.sup.1 to R.sup.12, independently from each other, represent an atom or a group selected from the class consisting of a hydrogen atom, halogen atoms and hydrocarbon groups; R.sup.9 to R.sup.12 may be linked to each other to form a monocyclic or polycyclic hydrocarbon group; and R.sup.9 and R.sup.10, or R.sup.11 and R.sup.12 may each form an alkylidene group.
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