Fire retardant crosslinked copolymers

Abstract

Abstract 1. A SOLID CROSSLINKED COPOLYMER OF (1) FROM ABOUT 2-60%, BY WEIGHT OF THE TOTAL COPOLYMER, OF AT LEAST ONE MONOMER CONTAINING TWO OR MORE POLYMERIZABLE, ETHYLENICALLY UNSATURATED BONDS; (2) FROM ABOUT 3-98% BY WEIGHT OF AT LEAST ONE BIS (HYDROCARBYL) VINYLPHOSPHONATE HAVING THE STRUTURE: H2C=C(-X)-P(=O)<(-OR-RO-) WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, CYANO, ARYL, AND HALOARYL, C1-C18 ALKYL AND HALOALKYL, AND -P(=O)<(-R1-R-) WHEREIN R AND R1 ARE HYDROCARBYL AND SUBSTITUTED HYDROCARBYL GROUPS HAVING NON-INTERFERING SUBSTITUTED, SAID HYDROCARBYL AND SAID SUBSTITUTED HYDROCARBYL GROUPS CONTAINING UP TO ABOUT 18 CARBON ATOMS, INCLUSIVE, WITH THE PROVISO THAT R AND R1 CAN BE THE SAME, DIFFEVENT OR CAN JOINT; AND (3) THE REMAINDER BEING AT LEAST ONE MONOFUNCTIONAL VINYL COMONOMER SELECTED FROM THE GROUP CONSISTING OF THE VINYL HALIDES, THE VINYLIDENE HALIDENES, THE ALPHA-OLEFINS, THE VINYL ESTERS OF CARBOXYLIC ACIDS, THE C1-C20 ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACID, THE ARYHALO AND NITRO-SUBSTITTUTED BENZYL ESTERS OF ACRYLIC AND METHACRYLIC ACID, THE ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACIDS, THE ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS, THEIR ANHYDRIDES AND THEIR C1-C2* MONO- AND DIALKYL ESTERS, THE AMIDES OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS, THE VINYL ARYL COMPOUNDS, AND THE C1-C20 ALKYL VINYL ETHERS, SAID MONOFUNCTIONAL VINYL COMONOMER BEING PRESENT IN AN AMOUNT UP TO ABOUT 90% BY WEIGHT.

Inventors

• 👤 J Jin

Bibliographic Details