申请人:FMC CORPORATION (UK) LIMITED
公开号:EP0326514A2
公开(公告)日:1989-08-02
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:
I. [A] a component which contains 4 carboxyl groups or anhydride thereof, and which is preferably an aromatic component and optionally:
[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:
[B₁] an aliphatic carboxylic acid component containing 2-16 carbon atoms;
[B₂] a cyclic non-aromatic carboxylic acid containing 7-16 carbon atoms; and
[B₃] an aromatic carboxylic acid containing 8-16 carbon atoms; and
II. [C] at least one aliphatic, cycloaliphatic or aromatic polyhydroxyl component containing 2 to 8 hydroxyl groups.
本发明提供了一种组合物,该组合物包含一种含有聚氨酯连接的可燃材料;以及一种作为烟雾和有毒气体抑制剂的聚酯,该聚酯的酸值低于 30 毫克 KOH/克,最好低于 10 毫克 KOH/克,该聚酯来源于:
I.[A] 一种含有 4 个羧基或其酸酐的成分,最好是一种芳香族成分,可选:
[B] 一种或多种含有 2 至 12 个(最好是 2 至 4 个)羧基或 1 至 6 个(最好是 1 或 2 个)羧酸酐基团的组分,选自以下组分
[B₁] 含 2-16 个碳原子的脂肪族羧酸组分;
[含有 7-16 个碳原子的环状非芳香族羧酸;以及
[B₃] 含 8-16 个碳原子的芳香族羧酸;以及
II.[C] 至少一种脂肪族、环脂族或芳香族多羟基成分,含 2 至 8 个羟基。