This invention relates to a thermoplastic formulation having a first part comprising, (i) nylon 6,6 nylon 6 or a mixture thereof and (ii) a halogenated polyphenylene ether flame retardant, and a second part, in admixture with the first part, comprising a Diels-Alder adduct having the formula A-R-(A)
This invention relates to a thermoplastic formulation having a first part comprising, (i) nylon 6,6 nylon 6 or a mixture thereof and (ii) a halogenated polyphenylene ether flame retardant, and a second part, in admixture with the first part, comprising a Diels-Alder adduct having the formula A-R-(A)n wherein n is 0, 1 or 2 and A is a polyhalogenated cycloalkylene or cycloalkyl group and R is as defined herein.
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A thermoplastic formulation having: (a) a first part comprising, (i) nylon 6,6, nylon 6 or a mixture thereof, and (ii) a halogenated polyphenylene ether flame retardant; and (b) a second part, in admixture with said first part, said second part comprising, a Diels-Alder adduct having the formula, A-
A thermoplastic formulation having: (a) a first part comprising, (i) nylon 6,6, nylon 6 or a mixture thereof, and (ii) a halogenated polyphenylene ether flame retardant; and (b) a second part, in admixture with said first part, said second part comprising, a Diels-Alder adduct having the formula, A-R-(A)n wherein n=0, 1, or 2, A is a polyhalogenated cycloalkylene group having the structure, [Figure] or the structure [Figure] in which each X is independently a chloro, bromo or hydro group and each Y is independently a chloro, bromo, hydro, hydrocarbyl or hydrocarbyloxy group, and the total of said X\s and Y\s which are chloro or bromo groups, is at least two, R, when n=0, is a divalent saturated cyclic polybromohydrocarbon group having 7 to 20 carbon atoms and 2 to 6 bromine atoms which are paired in vicinal positions, or a group having the structure, [Figure] which Z has up to 8 carbon atoms and is an alkyl, aryl, alkaryl, aralkyl cycloalkyl group, or a halogenated derivative thereof, and R, when n=1 or 2, is, respectively, tetra- or hexavalent saturated cyclic hydrocarbon group having 7 to 20 carbon atoms and 0 to 4 chloro or bromo atoms which are paired in vicinal positions, or a group having the structure, [Figure] in which f=0 or 1 and B has up to 8 carbon atoms and is an alkylene, arylene, alkarylene, aralkylene, cycloalkene group or a halogenated derivative thereof, said Diels-Alder adduct being present in an amount sufficient to provide said formulation with a melt index, as measured by ASTM 1238 k, which ia greater than that obtainable with said first part alone.
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이 특허에 인용된 특허 (5)
Nametz Richard C. (Manchester MI) Burleigh Peter H. (Ann Arbor MI), Flame retarded nylon composition.
Lubowitz Hyman R. (Rolling Hills Estates CA) Sheppard Clyde H. (Bellevue WA) Stephenson Ronald R. (Kirkland WA), Method of making multidimensional polyesters.
Sheppard Clyde H. (Boeing Aerospace Company ; P.O. Box 399 ; M/S 73-09 Seattle WA 98124-2499) Lubowitz Hyman R. (26 Coral Tree Ln. Rolling Hills Estates CA 90274), Methods for making liquid molding compounds using diamines and dicyanates.
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