Method for producing low-fuming rigid polyurethane foam
    1.
    发明授权
    Method for producing low-fuming rigid polyurethane foam 失效
    低发泡硬质聚氨酯泡沫塑料的生产方法

    公开(公告)号:US5874021A

    公开(公告)日:1999-02-23

    申请号:US7014

    申请日:1998-01-14

    Abstract: It is to provide a method for producing a low-fuming rigid polyurethane foam, which is superior in initial activity at low temperature and requires a small amount of a stock liquid.A method for producing a rigid polyurethane foam, which comprises mixing (a) a polyisocyanate component with a polyol component comprising (b) a polyol mixture, (c) a catalyst and (d) a blowing agent, then foaming the mixture;wherein the polyisocyanate component (a) is polymethylenepolyphenyl polyisocyanate or a modified material thereof, the polyol mixture (b) comprises (b-1) an aromatic polyester polyol and (b-2) an aromatic polyether polyol; the catalyst (c) is at least one metallic catalyst; and the blowing agent (d) is an adduct of a primary or secondary amine compound with carbon dioxide.

    Abstract translation: 本发明提供一种生产低发泡硬质聚氨酯泡沫的方法,其在低温下的初始活性优异且需要少量的原液。 一种制备刚性聚氨酯泡沫的方法,其包括将(a)多异氰酸酯组分与多元醇组分混合,所述多元醇组分包含(b)多元醇混合物,(c)催化剂和(d)发泡剂,然后使所述混合物发泡; 其中所述多异氰酸酯组分(a)是聚亚甲基聚苯基多异氰酸酯或其改性材料,所述多元醇混合物(b)包含(b-1)芳族聚酯多元醇和(b-2)芳族聚醚多元醇; 催化剂(c)为至少一种金属催化剂; 发泡剂(d)是伯胺或仲胺化合物与二氧化碳的加合物。

    Method for producing low-fuming rigid polyurethane foam
    2.
    发明授权
    Method for producing low-fuming rigid polyurethane foam 有权
    低发泡硬质聚氨酯泡沫塑料的生产方法

    公开(公告)号:US5872156A

    公开(公告)日:1999-02-16

    申请号:US134064

    申请日:1998-08-13

    Abstract: It is to provide a method for producing a low-fuming rigid polyurethane foam, which is superior in initial activity at low temperature and requires a small amount of a stock liquid.A method for producing a rigid polyurethane foam, which comprises mixing (a) a polyisocyanate component with a polyol component comprising (b) a polyol mixture, (c) a catalyst and (d) a blowing agent, then foaming the mixture;wherein the polyisocyanate component (a) is polymethylenepolyphenyl polyisocyanate or a modified material thereof; the polyol mixture (b) comprises (b-1) an aromatic polyester polyol and (b-2) an aromatic polyether polyol; the catalyst (c) is at least one metallic catalyst; and the blowing agent (d) is an adduct of a primary or secondary amine compound with carbon dioxide.

    Abstract translation: 本发明提供一种生产低发泡硬质聚氨酯泡沫的方法,其在低温下的初始活性优异且需要少量的原液。 一种制备刚性聚氨酯泡沫的方法,其包括将(a)多异氰酸酯组分与多元醇组分混合,所述多元醇组分包含(b)多元醇混合物,(c)催化剂和(d)发泡剂,然后使所述混合物发泡; 其中所述多异氰酸酯组分(a)是聚亚甲基聚苯基多异氰酸酯或其改性材料; 多元醇混合物(b)包含(b-1)芳族聚酯多元醇和(b-2)芳族聚醚多元醇; 催化剂(c)为至少一种金属催化剂; 发泡剂(d)是伯胺或仲胺化合物与二氧化碳的加合物。

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