阅读说明：本技术 用于制备聚氨酯泡沫的不含硅酮的泡沫稳定剂 (Silicone-free foam stabilizers for producing polyurethane foams ) 是由 Z·托莫维奇 S·克罗尼格 K·穆勒 C·哈根 M·苏索夫 于 2019-07-17 设计创作，主要内容包括：本发明涉及制备聚氨酯泡沫的方法,其中将(a)多异氰酸酯、(b)具有对异氰酸酯呈反应性的基团的聚合化合物、(c)不含硅酮的稳定剂、(d)任选地扩链剂和/或交联剂、(e)催化剂、(f)发泡剂和(g)任选地助剂和添加剂混合以形成反应混合物,并使反应混合物完全反应以形成聚氨酯,其中不含硅酮的稳定剂(c)可通过用环氧烷将1至8官能的起始物分子烷氧基化获得,其中所用环氧烷的0重量％至9重量％为环氧乙烷,所用环氧烷的0重量％至50重量％为1,2-环氧丙烷,并且所用环氧烷的至少50重量％包括至少4个碳原子,并且不含硅酮的稳定剂(c)的数均分子量为500至20000g/mol,并且其中基于硅酮的泡沫稳定剂的浓度为少于0.3重量％,基于化合物(b)、(c)、(d)、(e)和(f)的总重量计。本发明还涉及包括不含硅酮的稳定剂(c)的多元醇组分,涉及由本发明方法可获得的聚氨酯泡沫,并涉及本发明的聚氨酯泡沫在封闭空间或在车辆内部的用途。(The invention relates to a process for preparing a polyurethane foam, wherein (a) polyisocyanates, (b) polymeric compounds having groups reactive toward isocyanates, (c) silicone-free stabilizers, (d) optionally chain extenders and/or crosslinkers, (e) catalysts, (f) blowing agents and (g) optionally auxiliaries and additives are mixed to form a reaction mixture and the reaction mixture is reacted to form the polyurethane to completion, wherein the silicone-free stabilizers (c) are obtainable by alkoxylation of 1 to 8-functional starter molecules with alkylene oxides, wherein 0 to 9% by weight of the alkylene oxides used are ethylene oxide, 0 to 50% by weight of the alkylene oxides used are 1, 2-propylene oxide and at least 50% by weight of the alkylene oxides used comprise at least 4 carbon atoms and the number-average molecular weight of the silicone-free stabilizers (c) is from 500 to 20000g/mol, and wherein the concentration of the silicone-based foam stabilizer is less than 0.3% by weight, based on the total weight of the compounds (b), (c), (d), (e) and (f). The invention also relates to a polyol component comprising a silicone-free stabilizer (c), to a polyurethane foam obtainable by the inventive method, and to the use of the inventive polyurethane foam in enclosed spaces or in vehicle interiors.)