Anionically copolymerized living random (meth) acrylic copolymer

Details Anionically copolymerized living random (meth) acrylic copolymer Anionically copolymerized living random (meth) acrylic copolymer

1997-04-30

2000-05-30

Lipman, Bernard

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

Synthetic resins

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

5253306, 526183, 526209, 526212, 526222, 526262, 526273, 526281, 5263031, 5263285, 526342, C08F 812

Patent

active

060692073

ABSTRACT:
Living random (meth)acrylic copolymers, facilely converted into random co(meth)acrylates and block copolymers thereof, comprise the anionic copolymerizates of at least one comonomer A with at least one comonomer B selected from among the (meth)acrylates and maleimides, at least one of the comonomers A and B comprising a (meth)acrylate, in the presence of (i) at least one alkali or alkaline earth metal, mono- or difunctional initiator and (ii) at least one ligand, for example a nonnitrogenous macrocyclic complexant, e.g., a crown ether, or an alkali metal alcoholate.

REFERENCES:
patent: 5019634 (1991-05-01), Boettcher et al.
patent: 5561207 (1996-10-01), Wang et al.

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