Cross-copolymerized olefin/styrene/diene copolymer, process for the production of the same and uses thereof
AssigneeDenki Kagaku Kogyo Kabushiki Kaisha
InventorsToru Arai, Masataka Nakajima, Toshiaki Otsu
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Abstract
The present invention firstly provides a novel olefin/styrene/diene type cross-copolymer having excellent physical properties and mechanical properties, and a novel, efficient and economically excellent process for its production. Further, it provides an efficient and economically excellent process for producing various cross-copolymers such as an olefin/diene type cross-copolymer. The present invention secondly provides various resin compositions or processed products containing cross-copolymers, having problems of various conventional resin compositions or processed products solved and improved, as applications of cross-copolymers of the present invention.
Claims86
A process for producing a cross-copolymerization product, comprising:
- copolymerizing a styrene monomer, an olefin monomer and a diene monomer using a single site coordination polymerization catalyst to synthesize an olefin/styrene/diene copolymer;
- and
- cross-copolymerizing said olefin/styrene/diene copolymer and a vinyl compound monomer using an anionic, radical or cationic polymerization initiator, thereby obtaining an olefin/styrene/diene cross-copolymerization product.
A process for producing a cross-copolymerization product, comprising:
- copolymerizing an olefin monomer and a diene monomer using a single site coordination polymerization catalyst to synthesize an olefin/diene copolymer;
- and
- cross-copolymerizing said olefin/diene copolymer and a vinyl compound monomer using an anionic, radical or cationic polymerization initiator, thereby obtaining an olefin/diene cross-copolymerization product.
An olefin/styrene/diene cross-copolymer obtained by cross-copolymerizing a vinyl compound with an olefin/styrene/diene copolymer having a styrene content of from 0.03 mol % to 96 mol %, a diene content of from 0.0001 mol % to 3 mol % and a remainder of an olefin, wherein cross-copolymerized cross chains are other than a syndiotactic aromatic vinyl compound polymer.
A cross-copolymerization product wherein a modular of elasticity E′ obtained from a viscoelasticity spectrum measured at 1 Hz, is within a range of from 2×107 Pa to 2×109 Pa at 0° C. and from 5×106 Pa to 1×108 Pa at 100° C.
A process for producing a syndiotactic polystyrene-cross-copolymerized olefin/styrene/diene copolymerization product or a syndiotactic polystyrene-cross-copolymerized olefin/diene copolymerization product, comprising:
- copolymerizing 1) an olefin monomer, a styrene monomer and a diene monomer or 2) an olefin monomer and a diene monomer using a polymerization catalyst comprising a soluble transition metal catalyst represented by formula (1) and a cocatalyst, thereby obtaining 1) an olefin/styrene/diene copolymer or 2) an olefin/diene copolymer;
- and
- cross-copolymerizing said olefin/styrene/diene copolymer or said olefin/diene copolymer, and a styrene monomer using a coordination polymerization catalyst, to obtain a cross-copolymerization product having cross chains of syndiotactic polystyrene;
- wherein
- each of A and B is selected from the group consisting of an unsubstituted cyclopentaphenanthryl group, a substituted cyclopentaphenanthryl group, an unsubstituted benzoindenyl group, a substituted benzoindenyl group, an unsubstituted cyclopentadienyl group, a substituted cyclopentadienyl group, an unsubstituted indenyl group, a substituted indenyl group, an unsubstituted fluorenyl group, and a substituted fluorenyl group;
- Y is a methylene group, a silylene group, an ethylene group, a germilene group or a boron residue, which has bonds to A and B and which further has hydrogen or a C1-15 hydrocarbon group that may contain from 1 to 3 nitrogen, oxygen, sulfur, phosphorus or silicon atoms, as substituents, the substituents may be the same or different from one another, and Y may have a cyclic structure;
- X is hydrogen, a halogen, a C1-15 alkyl group, a C6-10 aryl group, a C8-12 alkylaryl group, a silyl group having a C1-4 hydrocarbon substituent, a C1-10 alkoxy group or a dialkylamide group having a C1-6 alkyl substituent;
- and
- M is zirconium, hafnium or titanium.
Dependencies are inferred from the claim text.