Foamed polyurethane articles with skin and a method for producin

Details Foamed polyurethane articles with skin and a method for producin Foamed polyurethane articles with skin and a method for producin

1979-08-10

1981-10-13

Anderson, Philip

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 466, 264250, 264255, 4284233, B29D 2704

Patent

active

042948800

ABSTRACT:
A molded polyurethane article consisting of a foamed polyurethane core and a polyurethane surface skin layer as molded together as an integral unit. The above polyurethane article is produced by forming the surface skin layer of a surface-forming polyurethane composition rendered thixotropic by adding an aliphatic or functionally equivalent primary diamine as one of active hydrogen compounds in the composition and the surface layer so formed is caused to be bonded to a polyurethane core upon foaming of a foamable polyurethane composition to provide an integral article.

REFERENCES:
patent: 2908943 (1959-10-01), Miller
patent: 3487134 (1969-12-01), Burr
patent: 3873407 (1975-03-01), Kumata et al.

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