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    • 2. 发明申请
    • Crosslinkable and Foaming Polyester-Polyurethane (Hybrid) Resin Moulding Compositions, with Foaming Characteristics for Closed Mould Applications
    • 可交联和发泡的聚酯 - 聚氨酯(混合)树脂成型组合物,具有闭模应用的发泡特性
    • US20100239847A1
    • 2010-09-23
    • US12682499
    • 2008-09-29
    • Paul DarbyPhil Dean
    • Paul DarbyPhil Dean
    • C08J9/00B29C45/00B32B27/30
    • C08G18/635C08G18/683C08G2101/0025C08G2101/0066C08G2101/0083C08G2120/00C08G2270/00Y10T428/249991Y10T428/31551Y10T428/31573Y10T428/31583
    • It concerns a crosslinkable and foaming polyester-polyurethane resin moulding composition, comprising: an A component, comprising: A1) at least one poly-functional isocyanate compound, and A2) at least one free radical polymerisation initiator a B component, comprising by weight: B1) 100 parts of at least one polyol resin comprising: —B11) 50 to 80 parts of at least one ethylenically unsaturated polyester polyol—B 12) 20 to 50 parts of at least one ethylenically unsaturated monomer, with, B11), being the reaction product of: a) an acid component comprising: a1) at least one ethylenically unsaturated diacid, and a2) at least one saturated diacid with a1/a2 molar ratio so varying to have an unsaturation content in B11) from 0.25/1 to 5/1, and, b) a diol component in excess with respect to component a) B2) from 0.01 to 1.1 parts of water, B3) optionally, up to 35% of at least one hydroxy alkyl (meth)acrylate, B4) at least one catalyst of the isocyanate/hydroxyl reaction, B5) at least one accelerator for the free radical initiator decomposition, B6) at least one foam stabiliser, B7) optionally, fillers and/or other additives the said composition being free of any primary or of secondary amine and of any polyol of low Mw chain extender. The invention further relates to a process of preparation and specific uses in light weight articles in sanitary, building or automotive uses.
    • 它涉及可交联和发泡的聚酯 - 聚氨酯树脂模塑组合物,其包括:A组分,其包含:A1)至少一种多官能异氰酸酯化合物,和A2)至少一种自由基聚合引发剂B组分,其包含: B1)100份至少一种多元醇树脂,其包含:-B11)50至80份至少一种烯键式不饱和聚酯多元醇-B 12)20至50份至少一种烯属不饱和单体,B11),为 反应产物:a)酸组分,其包含:a1)至少一种烯属不饱和二酸,和a2)至少一种饱和二酸,其a1 / a2摩尔比如此变化,使得B11中的不饱和含量为0.25 / 1至5 / 1,和b)相对于组分a)B2过量的二醇组分,0.01至1.1份水,B3)任选地至多35%的至少一种(甲基)丙烯酸羟烷基酯,B4)在 至少一种异氰酸酯/羟基反应的催化剂,B5) 一种用于自由基引发剂分解的促进剂,B6)至少一种泡沫稳定剂B7)任选的填料和/或其它添加剂,所述组合物不含任何伯或仲胺和低Mw扩链剂的任何多元醇。 本发明还涉及在卫生,建筑或汽车用途中的轻质制品的制备方法和具体用途。