Anionic polymerization of alkyl (meth)acrylate monomers

Details Anionic polymerization of alkyl (meth)acrylate monomers Anionic polymerization of alkyl (meth)acrylate monomers

1996-01-22

1997-10-28

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526209, 526210, 526319, 526320, C08F29300, C08F 448

Patent

active

056819099

ABSTRACT:
Poly(alkyl (meth)acrylates) are inexpensively prepared, even on an industrial scale, by anionically polymerizing at least one alkyl (meth)acrylate monomer in the presence of a lithium-based initiator and in a liquid solvent medium in which the solubility parameter .delta. is less than 20, said initiator comprising an alcoholate having the formula ROLi, wherein R has the formula R.sup.1 (OR.sup.2).sub.m, in which R.sup.1 is a linear or branched alkyl radical having from 2 to 4 carbon atoms, R.sup.2 is a linear or branched alkylene radical having from 2 to 4 carbon atoms, and m is 1, 2 or 3.

REFERENCES:
patent: 5147903 (1992-09-01), Podszun
patent: 5298356 (1994-03-01), Tyagi
patent: 5476904 (1995-12-01), Heim

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