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    • 73. 发明授权
    • Method of making wood composites treated with soluble boron compounds
    • 用可溶性硼化合物处理木材复合材料的方法
    • US5246652A
    • 1993-09-21
    • US893673
    • 1992-06-05
    • Wu-Hsiung E. HsuFrank Pfaff, Jr.
    • Wu-Hsiung E. HsuFrank Pfaff, Jr.
    • B27N9/00C08L61/06C08L97/02
    • B27N9/00C08L97/02C08L61/06
    • A novel method of producing a wood composite treated with a soluble boron compound is disclosed. Either a phenol-formaldehyde resole or novolac type resin can be used as the binder for a wood furnish. The wood furnish is surface treated with either the resole type resin or novolac resin together with a water soluble boron compound whereafter the surface treated wood furnish is formed into a mat and then consolidated in a press. When novolac is used as the resin, the consolidation takes place under sufficient pressure, heat and time in order to cure the novolac type resin and to form the wood composite. Optionally, the curing of the novolac resin can be promoted by injecting the compressed mat with steam, rather than by means of heated press platens. However, if a resole type resin is employed as the binder, while in its consolidated condition, pressurized steam is injected into the consolidated mat for a time sufficient to cure the binder and form the composite. The wood composite so produced and which contains the soluble boron compound, exhibits acceptable internal bond strength, and due to the inclusion of the boron compound, renders the composite less susceptible to biological attack and more fire retardant than conventional composites employing phenol-formaldehyde alone as the thermosetting adhesive.
    • 公开了一种生产用可溶性硼化合物处理的木材复合材料的新方法。 可以使用苯酚 - 甲醛甲阶酚醛树脂或酚醛清漆型树脂作为木材配料的粘合剂。 木材配料用酚醛树脂或酚醛清漆树脂与水溶性硼化合物一起表面处理,然后将表面处理的木材配料形成垫子,然后固化在压机中。 当使用酚醛清漆作为树脂时,在足够的压力,热和时间下进行固化,以固化酚醛清漆型树脂并形成木材复合材料。 任选地,酚醛清漆树脂的固化可以通过用蒸汽注射压缩垫而不是通过加热的压力盘来促进。 然而,如果使用甲阶型树脂作为粘合剂,在固化状态下,将加压蒸汽注入固化垫中足够固化粘合剂并形成复合材料的时间。 如此生产的含有可溶性硼化合物的木材复合材料表现出可接受的内部结合强度,并且由于含有硼化合物,使得复合材料比常规复合材料更容易受到生物攻击和更多的阻燃性,因为单独使用苯酚 - 甲醛 热固性粘合剂。
    • 74. 发明授权
    • Fire-retardant synthretic board product
    • 阻燃合成板产品
    • US5200267A
    • 1993-04-06
    • US792033
    • 1991-11-13
    • Ted J. Bauer
    • Ted J. Bauer
    • B01F3/08B01F3/12B01F5/04B01F5/06B27N1/02B27N9/00
    • B01F5/0405B01F3/0807B01F3/1271B01F5/0403B01F5/0471B01F5/0619B27N1/02B27N9/00Y10S428/921Y10T428/253Y10T428/268Y10T428/2933Y10T428/296Y10T428/31989
    • A method and apparatus for producing a synthetic board from cellulosic or lignocellulosic fibers is disclosed wherein a standard isocyanate binder is emulsified and immediately applied to the fibers before consolidation into a finished board product. The apparatus includes an emulsification and application nozzle comprising a diluent inlet, a binder inlet, a mixing section for emulsifying the diluent and the binder, and a spray nozzle for applying the binder/diluent emulsion to the fibers. The method includes supplying a binder stream, supplying a diluent stream, emulsifying the binder with the diluent and immediately applying the emulsion to the fibers. The method further includes flushing the binder/diluent emulsion using the diluent at the end of a binder application run to prevent curing of the emulsion and clogging of the apparatus. The binder/diluent emulsion can be applied to the fibers either in the blowline or downstream of the blowline, such as in the blender. A method and apparatus are also disclosed for producing fire-retardant boards in which a fire-retardant chemical, such as an ammonium polyphosphate, is applied to the fibers downstream of the refiner and upstream of the mat-former. Finally, a fire-retardant board product is disclosed that is made in accordance with the foregoing described methods and apparatuses.
    • 公开了一种用于从纤维素或木质纤维素纤维生产合成板的方法和装置,其中将标准异氰酸酯粘合剂乳化并立即施加到纤维上,然后固化成成品板产品。 该装置包括乳化和施用喷嘴,其包括稀释剂入口,粘合剂入口,用于乳化稀释剂和粘合剂的混合部分,以及用于将粘合剂/稀释剂乳液施加到纤维上的喷嘴。 该方法包括提供粘合剂流,供应稀释剂流,将粘合剂与稀释剂乳化并立即将乳液施加到纤维上。 该方法还包括在粘合剂施加运行结束时使用稀释剂冲洗粘合剂/稀释剂乳液,以防止乳液固化和装置堵塞。 粘合剂/稀释剂乳液可以在吹塑线或吹塑线的下游施加到纤维上,例如在混合器中。 还公开了一种用于生产阻燃板的方法和装置,其中将阻燃化学品如多磷酸铵施加到精磨机下游的纤维和成垫剂的上游。 最后,公开了根据前述方法和装置制成的阻燃板产品。
    • 75. 发明授权
    • Apparatus and method of manufacturing synthetic boards including
fire-retardant boards
    • 包括阻燃板的合成板的制造方法和装置
    • US5188785A
    • 1993-02-23
    • US668068
    • 1991-03-12
    • Ted J. BauerDavid M. HarmonGordon Treliving, deceasedRory G. Kirwan
    • Ted J. BauerDavid M. HarmonGordon Treliving, deceasedRory G. Kirwan
    • B01F3/08B01F3/12B01F5/04B01F5/06B27D1/04B27N1/02B27N9/00E04B1/94
    • B01F3/0807B01F3/1271B01F5/0403B01F5/0405B01F5/0471B01F5/0619B27N1/02B27N9/00Y10S428/921
    • A method and apparatus for producing a synthetic board from cellulosic or lignocellulosic fibers is disclosed wherein a standard isocyanate binder is emulsified and immediately applied to the fibers before consolidation into a finished board product. The apparatus includes an emulsification and application nozzle comprising a diluent inlet, a binder inlet, a mixing section for emulsifying the diluent and the binder, and a spray nozzle for applying the binder/diluent emulsion to the fibers. The method includes supplying a binder stream, supplying a diluent stream, emulsifying the binder with the diluent and immediately applying the emulsion to the fibers. The method further includes flushing the binder/diluent emulsion using the diluent at the end of a binder application run to prevent curing of the emulsion and clogging of the apparatus. The binder/diluent emulsion can be applied to the fibers either in the blowline or downstream of the blowline, such as in the blender. A method and apparatus are also disclosed for producing fire-retardant boards in which a fire-retardant chemical, such as an ammonium polyphosphate, is applied to the fibers downstream of the refiner and upstream of the mat-former. Finally, a fire-retardant board product is disclosed that is made in accordance with the foregoing described methods and apparatuses.
    • 公开了一种用于从纤维素或木质纤维素纤维生产合成板的方法和装置,其中将标准异氰酸酯粘合剂乳化并立即施加到纤维上,然后固化成成品板产品。 该装置包括乳化和施用喷嘴,其包括稀释剂入口,粘合剂入口,用于乳化稀释剂和粘合剂的混合部分,以及用于将粘合剂/稀释剂乳液施加到纤维上的喷嘴。 该方法包括提供粘合剂流,供应稀释剂流,将粘合剂与稀释剂乳化并立即将乳液施加到纤维上。 该方法还包括在粘合剂施加运行结束时使用稀释剂冲洗粘合剂/稀释剂乳液,以防止乳液固化和装置堵塞。 粘合剂/稀释剂乳液可以在吹塑线或吹塑线的下游施加到纤维上,例如在混合器中。 还公开了一种用于制造阻燃板的方法和装置,其中将阻燃化学品如多磷酸铵施加到精磨机下游的纤维和垫料的上游。 最后,公开了根据前述方法和装置制成的阻燃板产品。