Method of applying a backing to a carpet and product
    172.
    发明授权
    Method of applying a backing to a carpet and product 失效
    应用于地毯和产品的方法

    公开(公告)号:US3700515A

    公开(公告)日:1972-10-24

    申请号:US3700515D

    申请日:1971-02-02

    Abstract: A CARPET IS FORMED BY ADHERING A SECONDARY BACKING TO A PRIMARY BACKING WITH A THIXOTROPIC POLYURETHANE COMPOSITION SO THAT THERE IS SUBSTANTIALLY COMPLETE SATURATION OF THE BUNDLE WRAP WITH THE COMPOSITION WITHOUT PERNETRATION THROUGH THE PRIMARY BACKING. THE COMPOSITION CONTAINS WATER, A POLYOL WITH A HYDROXYL NUMBER LESS THAN 100, A DIISOCYANATE, A FILLER AND A CATALYST AND HAS AN INITIAL VISCOSITY OF BETWEEN 30,000 AND 1008000 CPS. #7 SPINDLE BROOKFIELD RVF, A POT LIFE OF BETWEEN 10 AND 60 SECONDS AND IS EXPANDABLE BETWEEN 100 AND 400 WHEN COMPLETELY REACTED. IT IS APPLIED TO THE UNDERSIDE OF THE PRIMARY BACKING WITH A DOCTOR KNIFE AND HEATED. A SECONDARY BACKING IS APPLIED TO THE UNCURED COMPOSITION AFTER IT IS SPREAD ON THE PRIMARY BACKING AND THE RESULTANT LAMINATE IS SUBJECTED TO PRESSURE PRIOR TO CURING TO DISINTEGRATE SUBSTANTIALLY ALL OF THE CELLS IN THE POLYURETHANE.

    A METHOD TO PRODUCE A TUFTED CARPET AND A PASTE FOR USE IN THIS METHOD
    177.
    发明申请
    A METHOD TO PRODUCE A TUFTED CARPET AND A PASTE FOR USE IN THIS METHOD 审中-公开
    生产地毯的方法和用于本方法的浆料

    公开(公告)号:WO2016071264A1

    公开(公告)日:2016-05-12

    申请号:PCT/EP2015/075412

    申请日:2015-11-02

    Abstract: The present invention pertains to a method to produce a tufted carpet, comprising tufting yarns into a primary backing thereby forming an intermediate product, and mechanically fixing the yarns to the backing by applying a binding constitution to the back of the carpet, wherein the binding constitution used is a thixotropic constitution comprising a cross linkable plant oil and a curing agent, the method comprising applying the thixotropic constitution as a layer to the back of the intermediate product and activating the curing agent to induce cross-linking of the plant oil.

    Abstract translation: 本发明涉及一种生产簇绒地毯的方法,其包括将纱线簇绒成主背衬,从而形成中间产品,并通过向地毯背面施加结合构造将纱线机械地固定到背衬上,其中结合构件 使用的是包含可交联植物油和固化剂的触变构造,所述方法包括将触变构造作为层施加到中间产物的背面并活化固化剂以诱导植物油的交联。

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