专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

JP2000191735A GRAFT POLYMERIZATION OF THERMOPLASTIC POLYMER 失效
公开(公告)号：JP2000191735A
公开(公告)日：2000-07-11
申请号：JP37329698
申请日：1998-12-28
申请人： MITSUI CHEMICALS INC
发明人： OTA SEIJI , SHIMIZU AKIYOSHI , NAKANO TAKASHI
IPC分类号： C08F2/44 , C08F291/00
摘要： PROBLEM TO BE SOLVED: To obtain a graft polymer with a high efficiency while suppressing crosslinking and decomposition by carrying out a graft polymerization of a radically polymerizable monomer with a thermoplastic polymer using a radical initiator, a compound containing a radical, or the like. SOLUTION: When a graft polymerization of (B) a radically polymerizable monomer with (A) a thermoplastic polymer is carried out, (C) at least one kind of radical initiator and (D) at least one kind of compound selected from (i) a compound containing a radical and (ii) a compound capable of generating the compound (i) are used and a compound providing 0-30 kcal/mol difference in heat of reaction ΔE is used as the components B, C and D. The difference in heat of reaction is ΔE1-ΔE2 and the ΔE1 denotes the heat of reaction represented by formula I [R(a)-R(b). is a radical species produced by adding a radical R(c). produced from the component C to the component B; R(d). is a stable radical generating from the components (i) and (ii); R(c)-R(b)-R(d) is a compound produced by binding the R(c)-R(b). to the R(d).]. Furthermore, the ΔE2 denotes the heat of reaction represented by formula II.

32. 发明专利

JP2003137878A OXETANE RING-CONTAINING (METH)ACRYLIC ESTER AND METHOD FOR PRODUCING THE SAME 审中-公开
公开(公告)号：JP2003137878A
公开(公告)日：2003-05-14
申请号：JP2001332394
申请日：2001-10-30
申请人： MITSUI CHEMICALS INC
发明人： MIYAZAKI KAZUHISA , OTA SEIJI , AKIEDA HIDEYUKI
IPC分类号： C07D305/06 , C08F255/00
摘要： PROBLEM TO BE SOLVED: To provide a new oxetane ring-containing (meth)acrylic ester useful as a raw material for various functional polyolefins, coatings, adhesives and dental materials, etc., and to provide a method for producing the compound. SOLUTION: This oxetane ring-containing (meth)acrylic ester is represented by general formula (I) [wherein R represents hydrogen or methyl group; R represents a straight chain or branched alkylene group which may have an er bond; R represents a straight-chain alkyl group; n is an integer of 1-4]. The compound is used for graft modification of polyolefines and as a comonomer raw material for copolyolefins and a monomer for dental materials.

33. 发明专利

JP2002155109A PROCESS FOR PREPARING POLAR GROUP-CONTAINING OLEFIN COPOLYMER 审中-公开
公开(公告)号：JP2002155109A
公开(公告)日：2002-05-28
申请号：JP2001261968
申请日：2001-08-30
申请人： MITSUI CHEMICALS INC
发明人： IMUDA JUNICHI , KASHIWA NORIO , OTA SEIJI , MORIYA SATORU
IPC分类号： C08F4/605 , C08F4/645 , C08F4/6592 , C08F210/00
摘要： PROBLEM TO BE SOLVED: To provide a process for preparing a polar group-containing olefin copolymer which process is capable of giving an olefin copolymer with a high polymerization activity. SOLUTION: The process for preparing a polar group-containing olefin copolymer comprises a copolymerization of a 2-20C α-olefin and a polar group- containing monomer having a cyclic structure in the presence of a catalyst comprising (A) a compound of a transition metal selected from Groups 3 through 10 in the periodic table (Group 3 contains lanthanoids and actinoids) and (B) at least one kind of a compound selected from (B-1) an organic aluminiumoxy compound, (B-2) a compound which reacts with the above compound (A) to thereby form an ion pair and (B-3) an organic aluminum compound.

34. 发明专利

JP2002145946A POLAR GROUP-CONTAINING OLEFIN COPOLYMER AND THERMOPLASTIC RESIN COMPOSITION CONTAINING THE COPOLYMER 失效
公开(公告)号：JP2002145946A
公开(公告)日：2002-05-22
申请号：JP2000345738
申请日：2000-11-13
申请人： MITSUI CHEMICALS INC
发明人： OTA SEIJI , MORIYA SATORU , IMUDA JUNICHI
IPC分类号： C08L23/18 , C08F210/00 , C08F216/04 , C08F216/14 , C08F220/00 , C08F224/00 , C08L101/00 , C08L101/06
摘要： PROBLEM TO BE SOLVED: To obtain a polar group-containing olefin copolymer having excellent adhesiveness to a metal or a polar resin, compatibility with a polar resin, flexibility, etc. SOLUTION: This polar group-containing olefin copolymer comprises constituent units of formulas (1) and (2) (R1 is a 1-18C aliphatic hydrocarbon group; R2 is a hydrocarbon group; R3 is a hetero atom or a hetero atom-containing group; r is 0 or 1; X is a hydroxy group, a carboxylic acid group, a carboxylic acid ester group, an acid anhydride group, an amino group, an amide group, an epoxy group or a mercapto group; p is 1-3; when p is 2 or 3, Xs may be mutually the same or different) and has >=10% degree of crystallization obtained by X-ray diffraction.

35. 发明专利

JP2002080540A GRAFT COPOLYMER, OIL-RESISTANT RESIN COMPOSITION AND CROSS-LINKED PRODUCT 失效
公开(公告)号：JP2002080540A
公开(公告)日：2002-03-19
申请号：JP2000269828
申请日：2000-09-06
申请人： MITSUI CHEMICALS INC
发明人： OTA SEIJI , TOYODA KAZUO
IPC分类号： C08J3/24 , C08F4/32 , C08F255/02 , C08L51/06 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To obtain a graft copolymer having hardness and oil resistance in an excellent balance. SOLUTION: The graft copolymer is produced by graft-polymerizing (B) at least one monomer selected from ethylenic unsaturated compounds each containing two or more double bonds in the molecule to (A) a polyolefin-based resin having an intrinsic viscosity [η] of 0.01 to 10 dl/g measured in 135 deg.C decalin.

36. 发明专利

JP2001342256A MODIFIER 失效
公开(公告)号：JP2001342256A
公开(公告)日：2001-12-11
申请号：JP2001076944
申请日：2001-03-16
申请人： MITSUI CHEMICALS INC
发明人： KANDA HIROSHI , MORIYA SATORU , OTA SEIJI , MORI RYOJI , TAN JUNJI , NOBORI TADAHITO , KANEKO HIDEYUKI , HAMA SHUNICHI , KOJO SHINICHI , KASHIWA NORIO
IPC分类号： C08L21/00 , C08G85/00 , C08L87/00 , C08L101/00 , C09D11/02 , C09D123/00 , C09D153/00 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To obtain a modifier having excellent modification performances of any of impact resistance, heat resistance, weather resistance, scratch resistance, transparency, coating performances, adhesiveness, low-temperature flexibility, fluidity and dispersibility. SOLUTION: This modifier comprises an olefin-based block copolymer represented by general formula (I) PO-f-R... (I) (PO is a polyolefin segment comprising a repeating unit derived from a 2-20C olefin and having =500 weight-average molecular weight.

37. 发明专利

JP2001288443A HOT-MELT ADHESIVE COMPOSITION 失效
公开(公告)号：JP2001288443A
公开(公告)日：2001-10-16
申请号：JP2001025809
申请日：2001-02-01
申请人： MITSUI CHEMICALS INC
发明人： OTA SEIJI , MORIYA SATORU , KANDA HIROSHI , MORI RYOJI , TAN JUNJI , KANEKO HIDEYUKI , HAMA SHUNICHI , KOJO SHINICHI , KASHIWA NORIO
IPC分类号： C08F293/00 , C09J153/00 , C09J201/00
摘要： PROBLEM TO BE SOLVED: To provide a hot-melt adhesive composition having excellent heat- resistant adhesion and heat-resistant creep characteristics. SOLUTION: The hot-melt adhesive composition comprises (A) 90-10 pts.wt. olefin based block copolymer represented by the formula: PO-f-R (wherein PO is a polyolefin segment composed of a repeating unit to be derived from a 2-20C olefin and having a weight average molecular weight of >=2, 000; f is an ether bond, an ester bond or an amide bond; and R is a functional segment to be obtained by chain polymerization reaction and having a weight average molecular weight of >=500) and (B) 90-10 pts.wt. (A)+(B)=100 pts.wt.) tackifying resin.

38. 发明专利

JP2001288372A WATER-BASED RESIN DISPERSION 失效
公开(公告)号：JP2001288372A
公开(公告)日：2001-10-16
申请号：JP2001025810
申请日：2001-02-01
申请人： MITSUI CHEMICALS INC
发明人： OTA SEIJI , MORIYA SATORU , KANDA HIROSHI , MORI RYOJI , TAN JUNJI , NOBORI TADAHITO , KANEKO HIDEYUKI , HAMA SHUNICHI , KOJO SHINICHI , KASHIWA NORIO
IPC分类号： C08L101/00 , C08F297/00 , C08L53/00
摘要： PROBLEM TO BE SOLVED: To obtain a water-based resin dispersion capable of giving an adhesive exhibiting high bond strength and intended for bonding polyolefins. SOLUTION: This water-based resin dispersion is obtained by dispersing in water (A) an olefin-based block copolymer of the general formula (I): PO-f-R (PO is a polyolefin segment composed of recurring unit derived from a 2-20C olefin and having a weight-average molecular weight of >=2,000; f is an ether linkage, ester linkage or amido linkage; and R is a functional segment having come from chain polymerization reaction and comprising recurring unit >=500 in weight-average molecular weight) or (C) an olefin-based polymer composition comprising the component A and a thermoplastic resin B other than the component A.

39. 发明专利

JP2001278931A ELECTRIC AND ELECTRONIC PART 失效
公开(公告)号：JP2001278931A
公开(公告)日：2001-10-10
申请号：JP2001018299
申请日：2001-01-26
申请人： MITSUI CHEMICALS INC
发明人： MORIYA SATORU , OTA SEIJI , KANDA HIROSHI , MORI RYOJI , TAN JUNJI , KANEKO HIDEYUKI , HAMA SHUNICHI , KOJO SHINICHI , KASHIWA NORIO
IPC分类号： C08L53/00 , C08F293/00 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide an electric and electronic part so that they may satisfy various requirements demanded for their applications. SOLUTION: The part comprises an olefin block copolymer (A) represented by formula (I); PO-f-R [wherein PO means a polyolefin segment having weight average molecular weight of 2,000 or more, which comprises repeated units derived from a 2-20C olefin; f means an ether bond, an ester bond or an amide bond ; R means a functional segment having weight average molecular weight of 500 or more obtained by chain polymerization reaction] or an olefin polymer composition (C) containing the copolymer (A) and a thermoplastic resin (B) other than copolymer (A).

40. 发明专利

JP2001278930A PRODUCTION FOR BUILDING MATERIAL AND CIVIL ENGINEERING 失效
公开(公告)号：JP2001278930A
公开(公告)日：2001-10-10
申请号：JP2001018285
申请日：2001-01-26
申请人： MITSUI CHEMICALS INC
发明人： MORIYA SATORU , OTA SEIJI , KANDA HIROSHI , MORI RYOJI , TAN JUNJI , KANEKO HIDEYUKI , HAMA SHUNICHI , KOJO SHINICHI , KASHIWA NORIO
IPC分类号： E04C2/20 , C08F293/00 , C08J5/00 , C08L53/00 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide a production for building material and civil engineering so that it may satisfy various requirements demanded for their applications. SOLUTION: The production comprises an olefin block copolymer (A) represented by formula (I); PO-f-R [wherein PO means a polyolefin segment having weight average molecular weight of 2,000 or more, which comprises repeated units derived from a 2-20C olefin; f means an ether bond, an ester bond or an amide bond; R means a functional segment having weight average molecular weight of 500 or more obtained by chain polymerization reaction] or an olefin polymer composition (C) containing the copolymer (A) and a thermoplastic resin (B) other than copolymer (A).

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