11.
    发明专利
    未知

    公开(公告)号:AT476293T

    公开(公告)日:2010-08-15

    申请号:AT01420147

    申请日:2001-06-28

    Inventor: SIMPSON SCOTT

    Abstract: Integrally bonded composite polyurethane foams substantially free from coalescence and with no discernable bond or interface layer when viewed at 50X magnification can be formed by wet casting a second foamed polyurethane composition onto a first wet cast foamed polyurethane composition and simultaneously curing the cast foams. In a preferred embodiment, one curable polyurethane composition forms a slow recovery foam and the other curable polyurethane composition forms a resilient foam.

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