Intumescent nonhalogenated flame retardant polystyrene compositi

Details Intumescent nonhalogenated flame retardant polystyrene compositi Intumescent nonhalogenated flame retardant polystyrene compositi

1993-11-19

1995-05-09

Seidleck, James J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 98, 524416, C08K 1302, C08K 534, C08K 332, C08L 906

Patent

active

054140315

ABSTRACT:
An intumescent nonhalogenated flame retardant polystyrene composition having high impact strength comprises polystyrene, ammonium polyphosphate, tris(2-hydroxyethyl) isocyanurate, hydrated zinc borate, and substantially amorphous elastomeric polymer.

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patent: 4957950 (1990-09-01), Staendeke et al.
patent: 5227416 (1993-07-01), Knox
K. K. Shen et al, "Zinc Borate as a Flame Retardant, Smoke Suppressant, and Afterglow Suppressant in Polymers", Fire and Polymers, Chapter 12, pp. 157-177.
"Thermoplastic Elastomers", Elastomers, edition 2, The International Plastic Selector, Inc., 1980.
S. Dotson et al, "Modifiers", Modern Plastics Encyclopedia, Mid-October 1990 Issue, vol. 67, No. 11, pp. 192, 195-196.
Encyclopedia of Polymer Science and Technology, Plastics, Resins, Rubbers, Fibers, "Rubber-Reinforced Materials", John Wiley and Sons, Inc., vol. 7, pp. 705-709, 1969.

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