申请人:UNION CARBIDE CORPORATION
公开号:EP0070324A1
公开(公告)日:1983-01-26
Described herein is an apparatus for the continuous production of a curable polyurethane froth which apparatus comprises separate sources of a polyol, an isocyanate, a catalyst and an inert gas, means including separate conduits for feeding said polyol, isocyanate and inert gas separately and under pressure at controlled flow rates from said sources to a mixing device containing inlet openings to receive said polyol, isocyanate and inert gas, means for mixing said polyol, isocyanate and inert gas to produce a froth, and an outlet opening for the resulting froth, means for delivering the froth from said mixing device to a second mixing device, a conduit for feeding the catalyst under pressure at a controlled flow rate to the second mixing device, and means for mixing the froth and catalyst, said mixing device containing inlet openings to receive the froth and catalyst and an outlet opening for the resulting catalyzed froth and means for delivering the catalyzed froth from the mixing device onto a substrate.
本发明描述了一种连续生产可固化聚氨酯泡沫的设备,该设备包括多元醇、异氰酸酯、催化剂和惰性气体的单独来源;包括单独导管的装置,用于将所述多元醇、异氰酸酯和惰性气体分别以受控流速在压力下从所述来源输送至混合装置,该混合装置包含用于接收所述多元醇、异氰酸酯和惰性气体的入口;用于将所述多元醇、异氰酸酯和惰性气体混合以产生泡沫的装置;用于将泡沫从所述混合装置输送至第二混合装置的装置;用于将催化剂以受控流速在压力下输送至第二混合装置的导管;用于将催化剂以受控流速在压力下输送至第二混合装置的装置、将沫子从上述混合装置输送到第二混合装置的装置,将催化剂在压力下以可控流速输送到第二混合装置的导管,以及将沫子和催化剂混合的装置,上述混合装置包含接收沫子和催化剂的入口和产生的催化沫子的出口,以及将催化沫子从混合装置输送到基质上的装置。