FLAME-RETARDANT POLYESTER BASED RESIN COMPOSITION
PURPOSE:To obtain the title composition having good thermal stability to retention in molding, excellent flame retardant and mechanical characteristics and hardly generating corrosive gas by pyrolysis by blending a specific halogen- containing epoxy modified material with a flame-retardant assistant...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To obtain the title composition having good thermal stability to retention in molding, excellent flame retardant and mechanical characteristics and hardly generating corrosive gas by pyrolysis by blending a specific halogen- containing epoxy modified material with a flame-retardant assistant and a reinforcing filler. CONSTITUTION:The objective composition obtained by blending 100 pts.wt. polyester with 3-50 pts.wt. halogen-containing epoxy modified material expressed by the formula (R2 is 1-4C alkylidene, alkylene or -SO2-; R1 and R3 are glycidyl, H, OH or formula II; X and Y are halogen; p and q are 0-4; r is 0-5; n is >=11 average polymerization degree) and having |
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