公开(公告)号：JP2003238624A

公开(公告)日：2003-08-27

申请号：JP2002044355

申请日：2002-02-21

Applicant: JSR CORP

Inventor： OKITA KENZO ,  KAIZU MITSUTAKA ,  OSHIMA NOBORU

IPC: C08K5/00 ,  C08F32/00 ,  C08L45/00

Abstract: PROBLEM TO BE SOLVED: To provide a crosslinkable cyclic olefin (co)polymer giving an excellent chemical resistance and solvent resistance while keeping a high optical transparency, storage stability and heat resistance, and to provide its composition and a crosslinked material thereof. SOLUTION: The cyclic olefin (co)polymer has at least one kind of structural unit originating from a cyclic olefin having an oxetane structure and has a number average molecular weight of 5,000-1,500,000 based on polystyrene. The cyclic olefin (co)polymer composition containing the above (co)polymer and a reaction initiator for ring-opening an oxetanyl group, and the crosslinked material from this (co)polymer composition are provided. COPYRIGHT: (C)2003,JPO

公开(公告)号：JP2003040930A

公开(公告)日：2003-02-13

申请号：JP2001227249

申请日：2001-07-27

Applicant: Jsr Corp ,  ジェイエスアール株式会社

Inventor： OKITA KENZO ,  TSUBOUCHI TAKASHI ,  OSHIMA NOBORU

IPC: C08F4/70 ,  C08F32/08

Abstract: PROBLEM TO BE SOLVED: To provide a production method of a cyclic olefin addition polymer, wherein a monomer component containing a cyclic olefin having a polar group is addition-polymerized in a hydrocarbon solvent, using a catalyst component easy to obtain and without using a lot of aluminoxane.
SOLUTION: A cyclic olefin addition polymer is obtained by polymerizing, in a hydrocarbon solvent, a cyclic olefin containing a cyclic olefin having a specific polar group, using a polymerization catalyst composed of (i) a strong Bronsted acid modified compound, shown by formula (2): [L
n NiX][A] [In formula (2), L is a neutral legand or a solvent molecule, n is 0-3, X is a β-diketonato anion or a carboxylic acid anion having the 1-12C straight chain or branched alkyl, and Al is a non-coordinating anion or a weak-coordinating anion], of a compound selected from a Ni compound or a β-diketonatoNi or a carboxylate of Ni having a 1-12C straight chain or branched alkyl group, (ii) a Lewis acid compound and (iii) an alkyl aluminoxane.
COPYRIGHT: (C)2003,JPO

Abstract translation: 要解决的问题：提供一种环状烯烃加成聚合物的制备方法，其中将含有极性基团的环状烯烃的单体组分在烃溶剂中加成聚合，使用容易获得并且不使用批次的催化剂组分 的铝氧烷。 解决方案：通过使用聚合催化剂在烃溶剂中聚合含有具有特定极性基团的环状烯烃的环状烯烃获得环状烯烃加成聚合物，所述聚合催化剂由（ⅰ）强烈的布朗斯台德酸改性化合物 2）：[Ln NiX] [A] [式（2）中，L为中性基团或溶剂分子，n为0-3，X为β-二酮阴离子或具有1-12C的羧酸阴离子 直链或支链烷基，Al是非配位阴离子或弱配位阴离子]，所述化合物选自Ni化合物或β-二酮酮N 1或具有1-12C直链或支链烷基的Ni的羧酸盐 基团，（ii）路易斯酸化合物和（iii）烷基铝氧烷。

公开(公告)号：JP2001247629A

公开(公告)日：2001-09-11

申请号：JP2000383320

申请日：2000-12-18

Applicant: JSR CORP

Inventor： OSHIMA NOBORU ,  MARUYAMA YOICHIRO ,  SAWADA KATSUTOSHI ,  TSUJI AKIMORI

IPC: C08L23/16 ,  C08F4/622 ,  C08F4/639 ,  C08F4/6392 ,  C08F210/16 ,  C08F210/18

Abstract: PROBLEM TO BE SOLVED: To provide an olefinic copolymer which gives an elastomer exhibiting high adhesion properties to and high compatibility with other materials as well as excellence in high coating properties and printing suitability, an elastomer having superior durability and further an elastomer free from or almost free from offensive odor, a method for producing the same and a rubber composition comprising the copolymer. SOLUTION: The copolymer comprises a constitutional unit (a) derived from ethylene, a constitutional unit (b) derived from a 3-12C α-olefin, a constitutional unit (c) derived from a cyclic olefin bearing a specific functional group and a constitutional unit (d) derived from an optionally employable unconjugated diene, and has an intrinsic viscosity [η], measured in decalin at 135 deg.C, of 0.1-10 dl/g.