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    • 7. 发明授权
    • Smoke and toxic gas suppressant composition
    • 烟气和有毒气体抑制剂组成
    • US4966920A
    • 1990-10-30
    • US299165
    • 1989-01-19
    • James GainerRobert L. Bentley
    • James GainerRobert L. Bentley
    • C08G18/40C08G18/42C08K3/22C08K5/09C08L75/00C08L75/04
    • C08G18/4208C08G18/4018C08L75/04
    • The present invention provides a composition comprising a combustible material containing urethane linkages; and as a smoke and toxic gas suppressant, a polyester which has an acid value below 30 mg KOH/g, preferably below 10 mg KOH/g, and which is derived from:Ia.[A] a component which contains 4 carboxyl groups or anhydride thereof, and which is preferably an aromatic component, orIb. a mixture of [A] and [B]:[B] one or more components which contain 2 to 12, preferably 2 to 4, carboxyl groups or 1 to 6, preferably 1 or 2, carboxylic anhydride groups, selected from:[B.sub.1 ] an aliphatic carboxylic acid compnent containing 2-16 carbon atoms; [[B.sub.2 ] a cyclic non-aromatic carboxylic acid containing 7-17 carbon atoms; and[B.sub.3 ] an aromatic carboxylic acid containing 8-16 carbon atoms; andII.[C] at least one aliphatic, cycloaliphatic or aromatic polyhydroxyl component containing 2 to 8 hydroxyl groups, and the amount of polyester is from to 50 100% based on the weight of polyol used to make the combustible material.
    • 本发明提供包含含有氨基甲酸酯键的可燃材料的组合物; 并且作为烟气和有毒气体抑制剂,其酸值低于30mg KOH / g,优选低于10mg KOH / g的聚酯,其衍生自:Ia。[A]含有4个羧基的组分或 其酸酐,优选为芳族成分,或Ib。 [A]和[B]的混合物:[B]一种或多种组分,其含有2至12个,优选2至4个羧基或1至6个,优选1或2个羧酸酐基团,其选自:[B1 ]含有2-16个碳原子的脂族羧酸组分; [[B2]含有7-17个碳原子的环状非芳族羧酸; 和[B3]含有8-16个碳原子的芳族羧酸; 和II。[C]至少一种含有2至8个羟基的脂族,脂环族或芳族多羟基组分,并且基于用于制备可燃材料的多元醇的重量,聚酯的量为50-100%。