Anionically copolymerized living random (meth)acrylic copolymers

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

1996-06-27

1997-09-23

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526183, 526212, 526262, 526281, 526273, 5263031, 5263285, 526342, C08F 446, C08F 200, C08F22040, C08F22210, C08F22400, C08F23208, C08F22054, C08F22044

Patent

active

056705913

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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