Substantially closed cell shaped hard phenol foam and method...

C - Chemistry – Metallurgy – 08 – J

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403/46

C08J 9/14 (2006.01) C08L 61/06 (2006.01)

Patent

CA 1334779

A phenol foam and a method for preparing substan- tially closed cell shaped resins on the basis of the condensation product between, on the one hand an either or not substituted phenol and/or phenol derivative and, on the other hand an aldehyde by using a blowing means for forming a hard phenol foam, whereby a physical blowing means comprising chloropropane is used.

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