Anchorable urethane foams

Details Anchorable urethane foams Anchorable urethane foams

B - Operations, Transporting

29

D

18/653, 154/71

B29D 27/00 (1980.01)

Patent

CA 1056571

ANCHORABLE URETHANE FOAMS ABSTRACT OF THE DISCLOSURE Flexible polyurethane foams are anchored to themselves or to other compatible thermoplastic materials by the applica- tion of pressure and heat to such foams which contain at least 50 parts by weight per 100 parts of polyol in the foam formula- tion of at least one solid thermoplastic resin composition having a particle size greater than 18 mesh (1.0 mm. sieve opening) and no larger than about 2-1/2 mesh (about 8 mm. sieve opening), preferably in the range of 16 mesh (1.2 mm. sieve opening) to 8 mesh (2.4 mm. sieve opening), in the U. S. Sieve Series.

245782

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