Encapsulated flame retardant system

Details Encapsulated flame retardant system Encapsulated flame retardant system

1976-02-19

1979-02-06

Padgett, Benjamin R.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

106 1505, 252316, 521 76, 521906, 260 296B, C09K 328, C08K 550, C08K 910

Patent

active

041383567

ABSTRACT:
Microcapsules having an average diameter below 5 microns and containing a flame retardant material are incorporated into polymeric materials, such as polyurethane foams without affecting the structural integrity of the cell walls of the foam. The capsules are chemically bonded to the foam, as well as physically incorporated therein by employing polyhydroxy polymer-containing capsule wall materials which react with the isocyanate used in the polyurethane.

REFERENCES:
patent: 3455848 (1969-07-01), Yoncoskie et al.
patent: 3852401 (1974-12-01), Suzuki et al.

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