Mineral filler fire retardant compositoin and method

Details Mineral filler fire retardant compositoin and method Mineral filler fire retardant compositoin and method

1988-08-24

1989-12-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 92, 521138, 523200, 523205, 524157, 524159, 524169, 524392, C08J 904

Patent

active

048868396

ABSTRACT:
An improved mineral filler fire retardant composition and method are provided wherein the filler is surface treated with a polyfunctional isocyanate. This surface treatment reacts to form a polymeric coating thereby reducing both the free moisture and soluble soda level. This improved filler results in superior physical properties in polymer resins and improved processing characteristics in urethane foams.

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