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    • 8. 发明授权
    • Method for treating wooden parts
    • 木件处理方法
    • US08445072B2
    • 2013-05-21
    • US12449339
    • 2008-01-30
    • Thomas GüthnerJürgen Sans
    • Thomas GüthnerJürgen Sans
    • B05D3/02
    • B27K3/156B27K3/0278B27K3/08B27K5/0085B27K2240/70
    • A method of treating wooden parts is described in which a) the wooden parts are impregnated with an aqueous cyanamide solution and subsequently b) the impregnated wooden parts, where appropriate after drying, are subjected to a heat treatment of 130 to 250° C. Here it has surprisingly emerged that impregnation with cyanamide even in small amounts has a significantly positive influence on the performance properties of the treated wooden parts, such as high hardness, low water absorption and very good weathering stability, for example. Moreover, only small amounts of a toxicologically and environmentally unobjectionable impregnating agent are needed in order to obtain these advantageous properties.
    • 描述了处理木制部件的方法,其中a)木制部件用氨基氰水溶液浸渍,然后b)干燥后适当的浸渍木制部件经受130至250℃的热处理。这里 出人意料地发现,即使少量地用氰胺浸渍也对处理过的木质部件的性能具有显着的积极影响,例如高硬度,低吸水性和非常好的耐候稳定性。 此外,为了获得这些有利的性质,仅需要少量的毒理学和环境无关的浸渍剂。
    • 10. 发明申请
    • Wood treatment solution and process
    • 木材处理解决方案和工艺
    • US20090130475A1
    • 2009-05-21
    • US11986162
    • 2007-11-20
    • Donald CastilloCharles K. Elliott, JR.Christopher Patton Bennett
    • Donald CastilloCharles K. Elliott, JR.Christopher Patton Bennett
    • B27K3/20A01N33/00B27K3/02
    • A01N59/00B27K3/163B27K3/20B27K2240/30B27K2240/70D21H17/66D21H17/68Y10T428/2982Y10T428/31971Y10T428/31986Y10T428/31989Y10T428/662A01N55/00A01N2300/00
    • The present invention features a single aqueous solution that imparts acceptable levels of water resistance, fire resistance, mold resistance and pest resistance to wood, and which may be used in standard wood treatment techniques commonly utilized in the wood treatment industry. In one preferred embodiment, the aqueous solution comprises a fire retardant, preferably sodium metasilicate nonahydrate (about 5% to 30% by mass), an insect and termite repellant, preferably sodium tetraborate decahydrate, also known as borax, (about 1.5% to 9% by mass), a mold inhibitor, preferably thymol (about 0.01% to 0.1% by mass) or ethanolamine (about 0.5% to 20% by mass), and a pH buffer, preferably sodium carbonate (about 1% to 10% by mass). It is believed that the borate/silicate components polymerize upon drying, and become water insoluble, which in turn prevents leaching and provides water repellent characteristics to the wood after treatment. It has been observed that the sodium carbonate may also act as a mold inhibitor, so that the ethanolamine and thymol may be optional ingredients in the solution. The calcium carbonate, in addition to serving as a buffer and imparting some mold and mildew inhibiting properties, is thought to also serve as a catalyst that maintains the water solubility before and during the immersion (impregnation) step, and helps to polymerize the silicate/borate compounds during the drying step. The aqueous solution should have a pH in the range of 9.5 and 13. Additionally, a powder mixture of the above-recited components may be prepared, and may be added to an appropriate amount of water to form the aqueous solution.
    • 本发明的特征在于一种单一的水溶液,其赋予木材耐水性,耐火性,耐模压性和抗虫害性的可接受水平,并且可用于木材处理工业中通常使用的标准木材处理技术。 在一个优选实施方案中,水溶液包含阻燃剂,优选偏硅酸钠九水合物(约5%至30质量%),昆虫和白蚁驱避剂,优选四硼酸钠十硼酸钠,也称为硼砂(约1.5%至9 质量百分比),霉菌抑制剂,优选百里酚(约0.01〜0.1质量%)或乙醇胺(约0.5〜20质量%),pH缓冲剂,优选碳酸钠(约1〜10% 质量)。 据信硼酸盐/硅酸盐组分在干燥时聚合,变得不溶于水,这又防止了浸出,并且在处理后对木材提供防水特性。 已经观察到,碳酸钠还可以作为霉菌抑制剂,使得乙醇胺和百里酚可以是溶液中的任选成分。 除了作为缓冲剂并赋予一些霉菌和霉菌抑制性质之外,碳酸钙被认为还可用作在浸渍(浸渍)步骤之前和期间保持水溶性的催化剂,并且有助于使硅酸盐/ 硼酸盐化合物。 水溶液的pH应在9.5和13的范围内。另外,可以制备上述组分的粉末混合物,并且可以加入到适量的水中以形成水溶液。