Bodies of expandable synthetic resins and method of preparation

Details Bodies of expandable synthetic resins and method of preparation Bodies of expandable synthetic resins and method of preparation

C - Chemistry, Metallurgy

08

J

403/76, 403/80,

C08J 9/228 (2006.01) C08J 9/16 (2006.01)

Patent

CA 1036300

ABSTRACT Expandable synthetic resinous bodies which are capable of being expanded to thermal collapse- -resistant foams are prepared by impregnating a thermo- plastic synthetic resinous body preferably an alkenyl aromatic resin body, with a blowing or expanding agent, for example, dichlorodifluoromethane, and a crosslinking agent, for example, boron trifluoride. Such impreg- nation can readily be carried out without the aid of an aqueous suspension.

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