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    • 1. 发明授权
    • Method of applying adhesive to porous materials
    • 将粘合剂涂在多孔材料上的方法
    • US5472541A
    • 1995-12-05
    • US322222
    • 1994-10-13
    • F. Arthur SimmonsGeorge M. ElliottDouglas D. King
    • F. Arthur SimmonsGeorge M. ElliottDouglas D. King
    • B05C19/04B05D3/12B05D5/10B05D7/04C08J9/36D06M17/04D06M17/06D06M17/08D06M23/08D06N3/00B32B31/00
    • B05D5/10B05C19/04B05D3/12B05D7/04C08J9/365D06M17/04D06M17/06D06M17/08D06M23/08D06N3/0095
    • A method of coating the surface of semi-rigid porous materials such as open cell foam or fibrous compositions with a thermoplastic adhesive in powder form which will reactivate. The powdered adhesive in a size range of 0-600 microns will remain on the surface of such materials even when cell diameter of the foam or space between fibers is larger than adhesive particle size. High porosity is maintained in the coated product. First a thermoplastic adhesive in powder form is dispensed uniformly onto the surface of a carrier belt which is coated with a release agent and is moving continuously. The adhesive advances to a preheating station where the adhesive is plasticized and will adhere to the carrier belt to prevent movement, after which the foam or fibrous material is placed on the adhesive which is adhered to the belt. The adhesive and material advance to a second heating station where the adhesive is fully melted to allow the adhesive to bridge cells in the foam or space between fibers. The material and adhesive then advance to and through a cooling station where temperature of the adhesive and material are reduced to allow the adhesive to resolidify and the composite to release from the carrier belt and exit the machine.
    • 将半刚性多孔材料如开孔泡沫或纤维组合物的表面用粉末形式的热塑性粘合剂涂覆的方法将会重新激活。 尺寸范围为0-600微米的粉末状粘合剂即使在泡沫的泡孔直径或纤维之间的空间大于粘合剂颗粒尺寸时,也将保留在这些材料的表面上。 涂层产品保持高孔隙率。 首先将粉末形式的热塑性粘合剂均匀地分配到涂覆有脱模剂并继续移动的载体带的表面上。 粘合剂前进到预热站,其中粘合剂被塑化并且将粘附到载体带以防止移动,之后将泡沫或纤维材料放置在粘附到带上的粘合剂上。 粘合剂和材料前进到第二加热站,其中粘合剂完全熔化,以允许粘合剂将泡沫中的细胞或纤维之间的空间桥接。 材料和粘合剂然后前进并通过冷却站,其中粘合剂和材料的温度被降低以允许粘合剂重新固化,并且复合材料从载体带释放并离开机器。
    • 10. 发明授权
    • Aqueous binder composition
    • 水性粘合剂组合物
    • US5508100A
    • 1996-04-16
    • US523899
    • 1995-09-06
    • Konrad A. WiererGerhard Brink
    • Konrad A. WiererGerhard Brink
    • C08J3/03C08K3/00D06M15/227D06M15/248D06M15/263D06M15/285D06M15/29D06M15/333D06M17/04D06M17/06D06M17/08D06N3/04D21H27/32A32B7/12A32B23/66C09J123/08C09J133/26
    • D21H27/32C08J3/03C08K3/0033D06M15/227D06M15/248D06M15/263D06M15/285D06M15/29D06M15/333D06M17/04D06M17/06D06M17/08D06N3/04D06N3/042D06N3/045Y10T428/27Y10T442/659
    • A product is obtained by a process involving binding two or more layers of tissue fabrics derived from cellular pulp or cellulose fiber. In this process, a binder composition comprised of: (a) 10 to 80 parts by weight of an aqueous plastics dispersion of a solids content of 30 to 70% by weight and based on one or more copolymers comprising vinyl acetate/ethylene copolymers, vinyl acetate/ethylene/N-methylol(meth)acrylamide terpolymers, alkyl acrylate/N-methylol(meth)acrylamide copolymers and vinyl acetate/ethylene/alkyl acrylate copolymers, or vinyl acetate/alkyl acrylate copolymers, which optionally have a N-methylol (meth)acrylamide content, (b) 50 to 300 parts by weight of a filler which has an average particle size of 0.5 to 100 .mu.m, and (c) 0 to 4 parts by weight of a thickener and/or at least 0.1 parts by weight of a dispersing agent to a portion of a single layer of tissue, affixing a further single layer of tissue and drying to obtain a prelaminate. (2) An additional binder composition is applied to this prelaminate thereby affixing a further single layer of tissue, and drying. Optionally, step (2) can be repeated one or more times.
    • 通过涉及结合来自细胞纸浆或纤维素纤维的两层或更多层织物织物的方法获得产品。 在该方法中,粘合剂组合物包含:(a)10至80重量份固体含量为30至70重量%的水性塑料分散体,并基于一种或多种包含乙酸乙烯酯/乙烯共聚物的共聚物,乙烯基 乙酸酯/乙烯/ N-羟甲基(甲基)丙烯酰胺三元共聚物,丙烯酸烷基酯/ N-羟甲基(甲基)丙烯酰胺共聚物和乙酸乙烯酯/乙烯/丙烯酸烷基酯共聚物,或乙酸乙烯酯/丙烯酸烷基酯共聚物,其任选具有N-羟甲基 甲基)丙烯酰胺含量,(b)50〜300重量份的平均粒径为0.5〜100μm的填料,(c)0〜4重量份的增稠剂和/或至少0.1份 的分散剂施加到单层组织的一部分,固定另外的单层组织并干燥以获得预层压。 (2)将另外的粘合剂组合物施加到该预层压板上,从而固定另外的单层组织并干燥。 可选地,步骤(2)可以重复一次或多次。