Process for the manufacture of polyurethane-coated products

Details Process for the manufacture of polyurethane-coated products Process for the manufacture of polyurethane-coated products

1981-09-02

1984-08-14

Childs, Sadie L.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

72 42, 72 46, 427373, 4273881, 427399, 427327, 295274, 264135, 264DIG3, B05D 300, B05D 312

Patent

active

044657102

ABSTRACT:
A process for manufacturing polyurethane-coated products is disclosed. These polyurethane-coated products are manufactured by press-forming a metal material coated with a lubricant inclusive of a compound having an oxygen-hydrogen bond into a core member of a desired shape and covering necessary portions of the core member a with polyurethane foam or coating formed by reacting the compound with an isocyanate of the polyurethane forming material without degreasing steps, i.e. pretreatments for washing off the lubricant.

REFERENCES:
patent: 2779689 (1959-01-01), Reis
patent: 2866722 (1958-12-01), Gensel et al.
patent: 2903380 (1959-09-01), Hoppe et al.
patent: 3208945 (1965-09-01), Stuart et al.
patent: 3568486 (1971-03-01), Rosenberg et al.
patent: 3734784 (1973-05-01), Bereday et al.
patent: 3826675 (1974-07-01), Smith et al.
patent: 4009307 (1977-02-01), Erikson et al.
patent: 4160851 (1979-07-01), Lienert et al.

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