Process for the preparation of phenolic foam

Details Process for the preparation of phenolic foam Process for the preparation of phenolic foam

B - Operations, Transporting

29

C

154/38

B29C 44/10 (2006.01)

Patent

CA 1252379

ABSTRACT OF THE DISCLOSURE PROCESS FOR THE PREPARATION OF PHENOLIC FOAM The present invention relates to a process and an apparatus for producing phenolic foam laminates with improved surface appearance. The process involves applying pressure on the foam forming mixture through one of its facings by a flexible member. The member is sufficiently flexible to allow continual rise of the foam but also smoothes out any uneven rise under the applied pressure thereby producing a laminate which has a surface immediately below the facing substantialy free of any voids, craters or wrinkles.

474925

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