发明授权
US4413072A Mixtures of polyurethanes and unsaturated polyester resins 失效
聚氨酯和不饱和聚酯树脂的混合物

Mixtures of polyurethanes and unsaturated polyester resins
摘要:
Unsaturated polyester resins containing--as additive--polyesterurethanes having free carboxyl groups and/or terminal radically polymerizable double bonds are good starting materials for manufacturing moulded articles with outstanding properties, particularly with an excellent impact strength.
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