Method of making cellular crosslinked poly(dicyclopentadiene)

Details Method of making cellular crosslinked poly(dicyclopentadiene) Method of making cellular crosslinked poly(dicyclopentadiene)

C - Chemistry, Metallurgy

08

G

403/61

C08G 61/08 (2006.01) C08J 9/12 (2006.01)

Patent

CA 1242850

Improved Method of Making Cellular Crosslinked Poly(Dicyclopentadiene) Abstract of Disclosures Disclosed is an improved method of making a cellular crosslinked polymer with a metathesis-catalyst system where a metathesis-catalyst is activated with an alkylaluminum iodide compound. In a preferred embodiment, two parts of the metathesis- catalyst system form the basis for two solutions, a catalyst/ monomer solution and an alkylaluminum iodide activator/monomer solution. At least one solution also contains a blowing agent. The solutions are combined in one place, such as the mixing head of a reaction injection molding machine, and then injected into another place, such as a mold, where the monomer reacts to form a cellular crosslinked polymer.

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