KR790000355B1 - Process for production of block copolymer - Google Patents

Process for production of block copolymer

Info

Publication number
KR790000355B1
KR790000355B1 KR7402164A KR740002164A KR790000355B1 KR 790000355 B1 KR790000355 B1 KR 790000355B1 KR 7402164 A KR7402164 A KR 7402164A KR 740002164 A KR740002164 A KR 740002164A KR 790000355 B1 KR790000355 B1 KR 790000355B1
Authority
KR
South Korea
Prior art keywords
stage
vinyl monomer
production
block copolymer
polymn
Prior art date
Application number
KR7402164A
Other languages
Korean (ko)
Inventor
Sior Narishawa
Damots Miki
Hideki Horiike
Original Assignee
Sumitomo Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Priority to KR7402164A priority Critical patent/KR790000355B1/en
Application granted granted Critical
Publication of KR790000355B1 publication Critical patent/KR790000355B1/en

Links

Landscapes

  • Graft Or Block Polymers (AREA)

Abstract

Clear block copolymers with good mech. properties are prepd. by Li alkyl-catalyzed 2-stage suspension polymn. of 70-90 parts aromatic vinyl monomer with 10-30 parts conjugated diene monomer in solvent such as aliphatic hydrocarbon. In the 1st stage, the diene and 10-60% of the aromatic vinyl monomer are polymd., followed by continuous addn. and polymn. of the remaining vinyl monomer at a slow rate in 2nd stage.
KR7402164A 1974-04-12 1974-04-12 Process for production of block copolymer KR790000355B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR7402164A KR790000355B1 (en) 1974-04-12 1974-04-12 Process for production of block copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR7402164A KR790000355B1 (en) 1974-04-12 1974-04-12 Process for production of block copolymer

Publications (1)

Publication Number Publication Date
KR790000355B1 true KR790000355B1 (en) 1979-05-07

Family

ID=19199991

Family Applications (1)

Application Number Title Priority Date Filing Date
KR7402164A KR790000355B1 (en) 1974-04-12 1974-04-12 Process for production of block copolymer

Country Status (1)

Country Link
KR (1) KR790000355B1 (en)

Similar Documents

Publication Publication Date Title
ES289967A1 (en) Procedure for manufacturing a conjugated dienum polymer (Machine-translation by Google Translate, not legally binding)
ES401296A1 (en) Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride
EP0270515A3 (en) Process for the production of transparent block copolymers
ES289481A1 (en) Branched polymers prepared from monolithium-terminated polymers and compounds having at least three reactive sites
ES449124A2 (en) Polymerization process
GB1491741A (en) Process for producing a transparent block copolymer
KR790000355B1 (en) Process for production of block copolymer
CA987835A (en) Process for producing conjugated diene type polymer
ES443118A1 (en) Modified water-dilutable diolefin polymer oils containing carboxyl groups
ZA705506B (en) Moldable,curable sheet of a high vinyl butadiene polymer
JPS5262363A (en) Blcok copolymer compositions with excellent thermal stability
JPS52138146A (en) High molecular optical-guide pass production
CA662850A (en) 1,3-butadiene polymerization with a titanium-aluminum catalyst
GB1438262A (en) Highimpact moulding composition formed from radial block co- polymers and high impact poly-vinyl-aromatic compound
GB1222478A (en) PROCESS OF PREPARING A SULPHUR-CURABLE POLYMER OF ETHYLENE AND AT LEAST ONE OTHER alpha-ALKENE
GB1338421A (en) N6-3-chlorobuten-2-yl-adenosines and processes for their manufacture
CA665207A (en) Process for polymerizing 1,3-butadiene
JPS5257280A (en) Production of conjugated diolefin polymer
ES437291A3 (en) A procedure for the catalytic hydrogenation of a copolymer of blocks. (Machine-translation by Google Translate, not legally binding)
CA953741A (en) Process for producing bicyclo-(3,3,0)-octene-(2)
CA733578A (en) Production of cis-1,4-polydienes by polymerization of 1,3-dienes
GB1235938A (en) Preparation of block copolymers
CA668713A (en) Process for polymerizing butadiene to cis-1,4-polybutadiene
AU274206B2 (en) Production of high molecular weight polymers from 1, 3 dienes
JPS5274201A (en) Display control circuit for key telephone system