초록 ▼

Anionic polymerization is used for the preparation of reaction mixtures comprising homopolymers, copolymers or block copolymers, and of homopolymers, copolymers and block copolymers which comprise acrylates or methacrylates or acrylates and methacrylates, wherein olefinically unsaturated compounds w

Anionic polymerization is used for the preparation of reaction mixtures comprising homopolymers, copolymers or block copolymers, and of homopolymers, copolymers and block copolymers which comprise acrylates or methacrylates or acrylates and methacrylates, wherein olefinically unsaturated compounds which are not acrylate or methacrylate derivatives are employed as solvent or as solvent component.

대표청구항 ▼

[ What is claimed is:] [1.]1. A process for the preparation of a homopolymer a copolymer or a block copolymer which (co)polymer comprises acrylates or methacrylates or acrylates and methacrylates as monomer units, by anionic polymerization in the presence of a solvent, wherein the solvent comprises

[ What is claimed is:] [1.]1. A process for the preparation of a homopolymer a copolymer or a block copolymer which (co)polymer comprises acrylates or methacrylates or acrylates and methacrylates as monomer units, by anionic polymerization in the presence of a solvent, wherein the solvent comprises one or more olefinically unsaturated compounds of formula (I) sup.a)(R.sup.b)C.dbd.C'(R.sup.c)(R.sup.d) (I)R.sup.a and R.sup.b are independently of one another selected from the group of hydrogen, unsubstituted and substituted, straight-chain and branched, C.sub.1 -C.sub.14 -alkyl unsubstituted and singly- and multiply substituted C.sub.1 -C.sub.14 -aryl, unsubstituted and substituted C.sub.3 -C.sub.7 -cycloalkyl and C.sub.2 -C.sub.10 -alkenyl,R.sup.c and R.sup.d are independently of one another selected from the group of hydrogen, unsubstituted and substituted, straight-chain and branched, C.sub.1 -C.sub.14 -alkyl, unsubstituted and singly- and multiply substituted C.sub.6 -C.sub.14 -aryl, unsubstituted and substituted C.sub.3 -C.sub.7 -cycloalkyl and C.sub.2 -C.sub.10 -alkenyl, orR.sup.c and R.sup.d are together with C' unsubstituted or singly- or multiply-substituted cyclopropyl, cyclopentyl or cyclohexyl an amount which is effective to suppress gel formation of the reaction mixture.