Solvent-free polyurethanes with fibrous reinforcing agents
    31.
    发明授权
    Solvent-free polyurethanes with fibrous reinforcing agents 失效
    无溶剂的聚氨酯与纤维增强剂

    公开(公告)号:US4336180A

    公开(公告)日:1982-06-22

    申请号:US246816

    申请日:1981-03-23

    摘要: The instant invention is directed to a substantially solvent-free molding material, comprising(A) from 92 to 30% by weight, of an active-hydrogen containing prepolymer containing: from 0.3 to 4% by weight, based on the prepolymer, of free primary and/or secondary amino groups, from 1.5 to 10% by weight, based on the prepolymer, of urethane groups, and from 1.5 to 10% by weight, based on the prepolymer, of urea groups;(B) from 24 to 1% by weight of a polyisocyanate having a melting point above 120.degree. C.; and(C) from 5 to 69% by weight of an organic or inorganic fibrous material with a fiber length of from 0.1 to 100 mm, the equivalent ratio between NCO groups, including masked NCO groups, and active H-atoms of components (A) and (B) is between 1:1 and 1:1.75. The instant invention is also directed to a process for the production of the substantially solvent-free molding material.

    摘要翻译: 本发明涉及基本无溶剂的模塑材料,其包含(A)92至30重量%的含活性氢的预聚物,其包含:基于预聚物的0.3至4重量%的游离 初级和/或仲氨基,基于预聚物的1.5至10重量%的氨基甲酸酯基,和基于预聚物的基于预聚物的1.5至10重量%的脲基; (B)24〜1重量%的熔点高于120℃的多异氰酸酯。 和(C)5至69重量%的纤维长度为0.1至100mm的有机或无机纤维材料,NCO基团(包括掩蔽的NCO基团)和组分的活性H原子(A )和(B)在1:1至1: 1.75之间。 本发明还涉及生产基本上无溶剂的成型材料的方法。

    POLYOL MIXTURE FOR PRODUCING RIGID POLYURETHANE FOAM
    40.
    发明申请
    POLYOL MIXTURE FOR PRODUCING RIGID POLYURETHANE FOAM 审中-公开
    用于生产刚性聚氨酯泡沫的聚合物混合物

    公开(公告)号:US20160145374A1

    公开(公告)日:2016-05-26

    申请号:US14904332

    申请日:2014-07-22

    申请人: KAO CORPORATION

    发明人: Atsushi ISHIKAWA

    摘要: A polyol mixture for producing a rigid polyurethane foam, the polyol mixture containing (A) a polyol component having a hydroxyl value of 100 mgKOH/g or more and 550 mgKOH/g or less; (B) a blowing agent containing one or more hydrohaloolefin-based blowing agents selected from the group consisting of trans-1-chloro-3,3,3-trifluoro-1-propene (B1) and cis-1,1,1,4,4,4-hexafluoro-2-butene (B2); (C) a catalyst containing an imidazole-based catalyst (C1) represented by the formula (I); (D) an organic acid containing one or more members selected from the group consisting of succinic acid and glutaric acid; and (E) a foam stabilizer. The polyurethane foam obtained by using a polyol mixture of the present invention can be suitably used as insulation materials for construction materials, refrigerators, refrigerating/freezing warehouses, bath tubs, and pipes; dew stoppers for houses, apartment houses, industrial pipes, and the like.

    摘要翻译: 一种用于制备刚性聚氨酯泡沫的多元醇混合物,所述多元醇混合物含有(A)羟值为100mgKOH / g以上的多元醇成分和550mgKOH / g以下的多元醇成分; (B)含有一种或多种选自反式-1-氯-3,3,3-三氟-1-丙烯(B1)和顺式-1,1,1,2-三氟-1-丙烯的基于氢卤烯烃的发泡剂的发泡剂, 4,4,4-六氟-2-丁烯(B2); (C)含有由式(I)表示的咪唑类催化剂(C1)的催化剂; (D)含有一种或多种选自琥珀酸和戊二酸的成分的有机酸; 和(E)泡沫稳定剂。 通过使用本发明的多元醇混合物得到的聚氨酯泡沫体可以适用于建筑材料,冰箱,冷藏库,浴缸,管道的绝缘材料; 房屋,公寓,工业管道等的露点塞。