Expandable styrene polymer particle composition and a method...

Details Expandable styrene polymer particle composition and a method... Expandable styrene polymer particle composition and a method...

C - Chemistry, Metallurgy

08

K

403/76, 403/80

C08K 5/39 (2006.01) C08J 9/00 (2006.01) C08J 9/16 (2006.01) C08L 25/06 (2006.01)

Patent

CA 1064650

ABSTRACT OF THE DISCLOSURE Expandable styrene polymer particle compositions con- taining an expanding agent which is volatilizable and does not dissolve or may slightly swell the styrene polymer particles and a small amount of sulfur compound having the following gen- eral formula: Image in which, R1 and R2 which may be the same or different are selected from lower alkyl, aralkyl and aryl groups, or R1 and R2 may be joined together to form an alkylene group. R3 is a metal atom equivalent to mono-valent, ammonium or organic amine which are formable soluble salt in organic solvent, or a group Image , wherein n is an integer of from 0 to 5 and R1 and R2 are the same as the above.

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