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

403/60, 403/76,

C08K 5/36 (2006.01) C08J 9/00 (2006.01) C08J 9/16 (2006.01) C08K 5/372 (2006.01) C08L 25/04 (2006.01)

Patent

CA 1049200

Abstract of the Disclosure Expandable styrene polymer particle compositions con- taining an expanding agent which is volatilizable and does not dissolve and does not swell or only slightly swells the styrene polymer particles and having a boiling point lower than the softening point of the styrene polymer particles and a small amount of sulfur containing compound having the following general formula: Image in which R1 and R2 are the same or different higher alkyl groups having 12 - 18 carbon atoms and R3 and R4 are the same or different lower alkylene groups having 1 - 4 carbon atoms.

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