Dispersible vinylidene chloride polymer microgel powders as addi

Details Dispersible vinylidene chloride polymer microgel powders as addi Dispersible vinylidene chloride polymer microgel powders as addi

1978-09-15

1980-11-04

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

260 334U, 526343, C08K 505, C08K 513

Patent

active

042321298

ABSTRACT:
A crosslinked vinylidene chloride polymer microgel powder is recovered from a latex and dispersed with moderate shear in a nonsolvent for vinylidene chloride polymers, such as a polyol used in the preparation of polyurethane materials. A dispersion of the powder and a polyol is eminently suited for use in the preparation of polyurethane foams to impart enhanced flame-retardancy and load-bearing properties thereto.

REFERENCES:
patent: 3285887 (1966-11-01), De Vries
patent: 3317450 (1967-05-01), Glenley et al.
patent: 3424706 (1969-01-01), Smith et al.
patent: 3896066 (1975-07-01), Ranck
patent: 4014846 (1977-03-01), Ramlow et al.
patent: 4022849 (1977-05-01), Jin

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