Method for curing polyurethanes

Details Method for curing polyurethanes Method for curing polyurethanes

1975-08-29

1978-04-11

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

260 775A, 260 775AN, 260 775AP, 264 26, 264236, 264347, 264DIG46, 264DIG77, H05B 900

Patent

active

040839010

ABSTRACT:
Disclosed is a process for the uniform cure of polyurethane elastomers including the steps of mixing polyurethane prepolymers, having free isocyanate groups, with a stable curing agent complex to form a blend, thereafter transferring it to a suitable mold and subjecting it to a predetermined amount of microwave energy until it is substantially cured.

REFERENCES:
patent: 3294879 (1966-12-01), Jacobs
patent: 3420923 (1969-01-01), Ashworth et al.
patent: 3482004 (1969-12-01), Anderson
patent: 3662043 (1972-05-01), Rubens
patent: 3737488 (1973-06-01), Porter et al.
patent: 3755261 (1973-08-01), Van Gulick
patent: 3917792 (1975-11-01), Conacher, Jr.

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