C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/1336, 402/31
C08G 79/04 (2006.01) C08L 1/00 (2006.01) C08L 87/00 (2006.01) C08L 101/00 (2006.01)
Patent
CA 1059249
Abstract of the Disclosure Novel phosphorus- and bromine-containing polymers containing a fundamental recurring unit shown by the following formula Image wherein R1 is an alkylene group having 2-3 carbon atoms; A is or Image Image wherein m is an integer of 1-4 and B is an alkylene or alkylidene group having 1-6 carbon atoms or sulfuone group; Z is -R, or -OR2, provided that R2 is an alkyl or aryl group; Y is sulfur or oxygen; ? is 0 or 1; p and q are integers of at least 1 and a sum of p and q is an integer of not more than 4; and n is an integer of 3-40 are colorless and have excellent thermal property. The polymers are excellent as a flame retardant for inflammable organic high polymers, and flame resistant compositions having excellent washing resistance, light resistance and whiteness can be obtained by compounding the phosphorus- and bromine- containing polymer with the inflammable organic high polymer.
227172
Okamoto Kazuo
Uchio Hiroshi
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