C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
204/91.37
C08J 9/38 (2006.01) B29C 44/56 (2006.01) C08J 9/36 (2006.01) C08L 61/10 (2006.01) H05B 6/00 (2006.01)
Patent
CA 1204078
ABSTRACT OF THE DISCLOSURE: The present invention is concerned with the treat- ment of freshly produced open pored phenolic resin foams in a high frequency field. This treatment makes possible a very quick removal of the blowing agent remaining in the pores, as well as of the formaldehyde which has been retained. The treatment replaces the time consuming aeration of the phenol- ic resin foam which was hitherto necessary in order to achieve a good rate of water absorption and capacity for water absorption. After their treatment, the phenolic resin foams treated according to the invention show important good properties for their use directly as flower holding foams.
444081
Lang Egon
Piotrowski Bernd
Weissenfels Franz
Dynamit Nobel Aktiengesellschaft
Robic Robic & Associes/associates
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