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1.发明授权Preparing particleboard utilizing a vegetable wax or derivative and polyisocyanate as a release agent on metal press parts 失效使用植物蜡或衍生物和多异氰酸酯作为脱模剂在金属压榨部件上制备刨花板
公开(公告)号：US4388138A
公开(公告)日：1983-06-14
申请号：US289733
申请日：1981-08-03
摘要： Sheets or moulded bodies, for example particle board, are manufactured by hot pressing a lignocellulosic material in contact with an organic polyisocyanate and a wax release agent which is a vegetable wax, a modified vegetable oil, a microcrystalline wax or a mineral wax, said wax release agent having a melting point of at least 70.degree. C. Preferably the wax release agent is applied to the lignocellulosic material in the form of a dispersion in an aqueous emulsion of the polyisocyanate. The process facilitates the release of the sheets or moulded bodies from the caul plates or platens of the press.
摘要翻译： 片材或成型体，例如刨花板，通过热压与有机多异氰酸酯和作为植物蜡，改性植物油，微晶蜡或矿物蜡的蜡脱模剂接触的木质纤维素材料来制造，所述蜡 具有熔点至少为70℃的脱模剂。优选将蜡脱模剂以分散体的形式在多异氰酸酯的水性乳液中施用于木质纤维素材料。 该方法有助于片材或模制体从压纸机的挡板或压板的释放。
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2.发明授权Methods for the manufacture of particle board utilizing an isocyanate binder and mineral wax release agent in an aqueous emulsion 失效在水性乳液中利用异氰酸酯粘合剂和矿物蜡脱模剂制造刨花板的方法
公开(公告)号：US4396673A
公开(公告)日：1983-08-02
申请号：US289731
申请日：1981-08-03
CPC分类号： C08L97/02 , B27N3/083 , Y10T428/253 , Y10T428/31591 , Y10T428/31804
摘要： Sheets or moulded bodies, for example particle board, are manufactured by hot pressing a lignocellulosic material in contact with an organic polyisocyanate and a wax release agent which is a vegetable wax, a modified vegetable oil, a microcrystalline wax or a mineral wax, said wax release agent having a melting point of at least 70.degree. C. Preferably the wax release agent is applied to the lignocellulosic material in the form of a dispersion in an aqueous emulsion of the polyisocyanate. The process facilitates the release of the sheets or moulded bodies from the caul plates or platens of the press.
摘要翻译： 片材或成型体，例如刨花板，通过热压与有机多异氰酸酯和作为植物蜡，改性植物油，微晶蜡或矿物蜡的蜡脱模剂接触的木质纤维素材料来制造，所述蜡 具有熔点至少为70℃的脱模剂。优选将蜡脱模剂以分散体的形式在多异氰酸酯的水性乳液中施用于木质纤维素材料。 该方法有助于片材或模制体从压纸机的挡板或压板的释放。
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3.发明授权
公开(公告)号：US4431455A
公开(公告)日：1984-02-14
申请号：US341177
申请日：1982-01-20
IPC分类号： B27N3/00 , B27N3/02 , C07C265/14 , C08G18/08 , C08G18/70 , C08L75/00 , C08L75/04 , C08L91/00 , C08L91/06 , C08L97/02 , C09J175/00 , C09J175/04
CPC分类号： C07C265/00 , C08G18/705 , C08L97/02 , C09J175/04 , C08L2205/06 , C08L75/04 , C08L91/06
摘要： An organic polyisocyanate composition contains from 99 to 60 parts by weight of a liquid organic polyisocyanate and from 1 to 40 parts of a 90:10 to 10:90 mixture of a wax and a liquid ester having a molecular weight of at least 250, for example an alkyl ester of an aliphatic carboxylic acid derived from an alkyl alcohol containing from 3 to 30 carbon atoms and a saturated or unsaturated fatty acid containing from 10 to 25 carbon atoms. The composition is useful for the manufacture of sheets or moulded bodies by the hot-pressing of a lignocellulosic material and promotes release of the material from the press. The composition is preferably applied in the form of an aqueous emulsion.
摘要翻译： 有机多异氰酸酯组合物含有99至60重量份的液体有机多异氰酸酯和1至40份90至10:90的蜡和分子量至少为250的液体酯的90:10至10:90的混合物，对于 例如衍生自含有3至30个碳原子的烷基醇和含10至25个碳原子的饱和或不饱和脂肪酸的脂族羧酸的烷基酯。 该组合物可用于通过热压木质纤维素材料制造片材或模制体，并促进材料从压机中的释放。 组合物优选以水乳液的形式施用。
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