Coating of flame retardants onto a seed bead

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 56, 521 88, 521 90, 521 98, 521907, 521 59, C08V 918, C08V 922

Patent

active

047614323

ABSTRACT:
Various flame retardant agents have been added as a coating to seed beads of vinyl aromatic polymers. The resulting products have high resistance to burning and permit the use of lower concentrations of the retardant.

REFERENCES:
patent: 4622346 (1986-04-01), DiGuilio
patent: 4626554 (1986-12-01), DiGuilio
patent: 4659745 (1987-04-01), DiGuilio
patent: 4661564 (1987-04-01), DiGuilio
patent: 4665103 (1987-05-01), DiGuilio
patent: 4670513 (1987-06-01), DiGuilio
patent: 4675363 (1987-06-01), DiGuilio
patent: 4692472 (1987-09-01), Ingram et al.

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