Process for preparing a block copolymer

Details Process for preparing a block copolymer Process for preparing a block copolymer

1994-06-30

1996-05-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525299, 525309, C08F27102, C08F26506

Patent

active

055147534

ABSTRACT:
A block copolymer containing a non-polar polymer block and a polar polymer block was prepared by using an anionic polymerization initiator, by reacting an organic compound which can form an ate complex at the active end of the non-polar polymer block, the compound which contains a main group element of II or III group, before the addition of the polar monomer.

REFERENCES:
patent: 4405754 (1983-09-01), Moczygemba
patent: 4778852 (1988-10-01), Futamura
patent: 5002676 (1991-03-01), Willis
patent: 5194510 (1993-03-01), Du Bois

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