Production of solid, rigid filled polyurethane composites

Details Production of solid, rigid filled polyurethane composites Production of solid, rigid filled polyurethane composites

1975-05-15

1977-04-05

Marquis, Melvin T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 900

Patent

active

040161307

ABSTRACT:
Solid, rigid, filled polyurethane composites are prepared by a process comprising admixing a dried polyisocyanate component containing a degreased dust- and solid-impurity-free filler with a dry polyol, degassing said admixture until no further gas evolution occurs and effecting reaction between the polyisocyanate and polyol.

REFERENCES:
patent: 3391101 (1968-07-01), Kelly et al.
patent: 3489723 (1970-01-01), Kraft
patent: 3523103 (1970-08-01), Zemlin
patent: 3621000 (1971-11-01), Schmelzer et al.
patent: 3832323 (1974-08-01), Ramey et al.

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