Flame resistant, expandable styrene polymers and foams, and...

C - Chemistry – Metallurgy – 08 – J

Patent

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403/72, 403/80,

C08J 9/20 (2006.01) C08K 5/02 (2006.01) C08K 9/08 (2006.01) C09K 21/00 (2006.01)

Patent

CA 2023147

- 12 - O.Z. 0050/41060 Abstract of the Disclosure: Flame-resistant, expandable styrene polymers containing a styrene (co)polymer, from 0.4 to 6 % by weight of hexabromocyclododecane having a mean particle size of from 1 to 50 µm, the particles being provided with a firm coating which has a thickness of from 1/100 to 1/10 of the particle diameter and is insoluble in water and styrene, from 1 to 10 % by weight of a C3- to C6-hydrocarbon as blowing agent, and, if desired, customary additives, are distinguished by a reduced internal water content and can be processed to form foams which have an improved foam structure and high UV stability.

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