发明授权
US4433071A Flame and dripping ember retardant flexible polyurethane foams 失效
火焰和滴水阻燃柔性聚氨酯泡沫

Flame and dripping ember retardant flexible polyurethane foams
摘要:
Polyurethane foams prepared from the reaction of polyester polyol with organic isocyanate have improved flame retardance and dripping ember retardance by incorporation of an additive comprising (1) halogenated flame retardant, and (2) water or alcohol soluble urea-formaldehyde resin.
公开/授权文献
信息查询
0/0