基于聚醚碳酸酯多元醇的聚氨酯泡沫材料
阅读说明:本技术 基于聚醚碳酸酯多元醇的聚氨酯泡沫材料 (Polyurethane foams based on polyether carbonate polyols ) 是由 P.希尔肯 S.林德纳 H.内夫茨格 R.阿尔巴赫 A.韦劳 于 2018-05-29 设计创作,主要内容包括:本发明涉及通过使异氰酸酯组分与可与异氰酸酯反应并包含至少一种聚醚碳酸酯多元醇的组分的反应制备聚氨酯泡沫材料的方法,并且其中所述反应在组分K存在下进行,其中所述组分K选自下列一种或多种化合物:K1根据式(II)的二羰基化合物,其中排除作为一元或多元羧酸的酯的二羰基化合物,(R<Sup>2</Sup>)<Sub>x</Sub>-(C=O)-(R<Sup>1</Sup>)<Sub>n</Sub>-(C=O)-(R<Sup>3</Sup>)<Sub>y</Sub>(II),K2根据式(III)的β-酮腈,(R<Sup>5</Sup>)<Sub>w</Sub>-(C=O)-C(H)(R<Sup>4</Sup>)(-CN)(III),K3具有式(IV)的二羰基化合物,K4羟基羧酸,优选α-羟基羧酸或β-羟基羧酸,K5羧酸盐。本发明还涉及通过本发明的方法制成的聚氨酯泡沫材料及其用途。<Image he="79" wi="381" file="DEST_PATH_IMAGE001.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>(The present invention relates to a process for preparing a polyurethane foam by reacting an isocyanate component with a component which is reactive with isocyanate and comprises at least one polyether carbonate polyol, and wherein the reaction is carried out in the presence of a component K, wherein the component K is selected from one or more of the following compounds: k1 dicarbonyl compounds according to formula (II) excluding dicarbonyl compounds as esters of mono-or polycarboxylic acids, (R) 2 ) x ‑(C=O)‑(R 1 ) n ‑(C=O)‑(R 3 ) y (II), K2 beta-ketonitriles according to formula (III), (R) 5 ) w ‑(C=O)‑C(H)(R 4 ) (-CN) (III), K3A dicarbonyl compound having the formula (IV), K4 a hydroxycarboxylic acid, preferably an alpha-hydroxycarboxylic acid or a beta-hydroxycarboxylic acid, K5 carboxylate. The invention also relates to polyurethane foams produced by the process of the invention and to the use thereof.)
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