폴리이소시아네이트 다첨가 방법에 의한 발포성 플라스틱의 제조방법, 및 이것을 위한 발포제-함유 에멀션으로서 저비점3의 플루오르화 또는 과플루오르화된 3차 알킬아민

내용 없음 The invention relates to a process for the preparation of cellular plastics by the polyisocyanate polyaddition process, by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents, e) catalysts f) assistants and/or additives, where the blowing agents (d) used are d1) low-boiling, fluorinated and/or perfluorinated tertiary alkylamines or mixtures of (d1) and at least one further physical and/or chemical blowing agent (d2) other than (d1), and to blowing agent-containing emulsions of the abovementioned blowing agents (d1) or the blowing agent mixture of (d1) and (d2) and the formative components (a), (b), (c) or (b) and (c).