Fire retardants for polymers
Abstract
Abstract COMPOUNDS HAVING THE GENERAL FORMULA (Z)N,(A)I,(((Z)M,(A)J-PHENYL)-M-CH2-C(-X)=C(-X)-CH2-M-) BENZENE EACH X INDEPENDENTLY, FORMING EITHER THE CIS OR TRANS ISOMER, IS F, CL, BR, I OR H WHERE NOT MORE THAN ONE X IS H, EACH M INDEPENDENTLY IS O OR S, EACH Z INDEPENDENTLY IS CL OR B, EACH A INDEPENDENTLY IS AN INERT SUBSTITUENT, SUCH AS F, I, METHYL, PHENYL, HYDROXY, METHOXY, NITRO, CARBOXY, ACETOXY, CYANO, AMINO OR SULFO, N AND M ARE INTEGERS OF 1 TO 5 PROVIDED THAT WHEN N=M=1 THEN EACH Z AND X IS BR AND M=O AND PROVIDED THAT WHEN ONE X IS H THEN N AND M ARE INTEGERS OF 3 TO 5, AND I AND J ARE INTEGERS OF 0 TO 2 WHERE I$N-1 AND J$M-1 IMPART EXCELLENT FIRE RETARDING PROPERTIES TO POLYSTYRENE AND ARE STABLE WHEN EXTRUDED OR MOLDED WITH POLYSTYRENE AT TEMPERATURES ABOVE 200*C.
Inventors
- 👤 G Ungefug
- 👤 R Pews
- 👤 R Dickerson
Bibliographic Details
Claims Analysis
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