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    • 1. 发明授权
    • Method for processing crude polyoxymethylene
    • 粗聚甲醛加工方法
    • US5541284A
    • 1996-07-30
    • US406141
    • 1995-03-20
    • Detlef ArnoldiUdo GroppEdwin Nun
    • Detlef ArnoldiUdo GroppEdwin Nun
    • C08G2/28C08G2/10
    • C08G2/28
    • The subject invention relates to method for processing crude polyoxymethylene in which the isolation of unstable components from crude polyoxymethylene, such as residual monomers which are at least partly in the form of cyclic formaldehyde derivatives, is effected by treatment of the crude polyoxymethylene with an inert gaseous medium. The method of the invention is characterized in that the gaseous medium contains at least 10 volume % of water vapor, and less than 0.1 volume % of a volatile base, and/or less than 1 volume % of a volatile solvent. In an alternative variant method, the gaseous medium contains at least 10 volume % of water vapor and the treatment occurs at a temperature between 114.degree. C and the softening temperature of the crude polyoxymethylene and at a pressure of less 1.2 .multidot.10.sup.5 Pa.
    • 本发明涉及用于处理粗聚甲醛的方法,其中从粗聚甲醛分离不稳定组分,例如至少部分为环状甲醛衍生物形式的残留单体,其通过用惰性气体处理粗聚甲醛来实现 中。 本发明的方法的特征在于,气态介质含有至少10体积%的水蒸气和少于0.1体积%的挥发性碱,和/或少于1体积%的挥发性溶剂。 在另一变体方法中,气体介质含有至少10体积%的水蒸气,并且处理在114℃和粗聚甲醛的软化温度之间并且在1.2×10 5 Pa以下的压力下进行。
    • 3. 发明授权
    • Polyoxymethylene with improved acid stability, process for production
and use thereof
    • 具有改善的酸稳定性的聚甲醛,其制备方法和用途
    • US5693709A
    • 1997-12-02
    • US701800
    • 1996-08-26
    • Edwin NunStephanie SchauhoffDetlef Arnoldi
    • Edwin NunStephanie SchauhoffDetlef Arnoldi
    • C08L59/00C08L71/00C08L75/04C08K5/05
    • C08L59/00C08L71/00C08L75/04
    • Polyoxymethylene with improved acid stability, process for production and use thereof. By adding 0.01 to 5 parts of an alkali metal salt of a polybasic acid, for example oxalic acid, citric acid and/or 0.01 to 5 parts of a polyalkylene glycol, for example polyethylene glycol and/or 0.1 to 100 parts of a thermoplastic polyurethane, each related to 100 parts of a polyoxymethylene, this polymer is stabilized against attack by acids, wherein in particular the combination of an alkali metal salt, in particular an oxalate, with small proportions of a thermoplastic polyurethane is advantageous. The proportion of thermoplastic polyurethane may be reduced when the thermoplastic polyurethane has a Shore A hardness of 70 to 96. The weight loss of a stabilized POM under the action of acid may be less than 3% of that of an unstabilized POM. The products are useful when exposed to acidic agents such as irrigation systems, dishwashers, sanitary installations.
    • 具有改善的酸稳定性的聚甲醛,其制备方法和用途。 通过加入0.01至5份多元酸的碱金属盐,例如草酸,柠檬酸和/或0.01至5份聚亚烷基二醇,例如聚乙二醇和/或0.1至100份热塑性聚氨酯 各自与100份聚甲醛相关,该聚合物被抗酸侵蚀稳定,其中特别是碱金属盐,特别是草酸盐与小比例的热塑性聚氨酯的组合是有利的。 当热塑性聚氨酯的肖氏A硬度为70至96时,热塑性聚氨酯的比例可能会降低。在酸作用下稳定的POM的重量损失可能小于不稳定的POM的重量损失的3%。 当暴露于酸性剂如灌溉系统,洗碗机,卫生设备时,该产品是有用的。
    • 7. 发明申请
    • METHOD FOR COATING SUBSTRATES AND CARRIER SUBSTRATES
    • 涂覆基板和载体基板的方法
    • US20100159239A1
    • 2010-06-24
    • US12161031
    • 2006-12-28
    • Edwin NunMichael VetterMartin Wille
    • Edwin NunMichael VetterMartin Wille
    • B32B33/00B05D5/10B05D3/02B32B37/12B32B9/04
    • B05D7/08B05D7/24B05D7/52B05D2252/10B32B7/12B32B21/00B32B21/02B32B21/08B32B27/12B32B2255/02B32B2255/26B32B2255/28B32B2262/0284B32B2264/102B32B2264/105B32B2307/75B32B2419/04B32B2607/00C23C26/00C23C28/00Y10T156/10Y10T428/2848Y10T428/31663
    • The present invention relates to a method for coating substrates, comprising the steps: a) provision of a substrate, b) application of a composition to a first side of the substrate, the composition containing an inorganic compound and the inorganic compound containing at least one metal and/or semimetal selected from the group consisting of Sc, Y, Ti, Zr, Nb, V, Cr, Mo, W, Mn, Fe, Co, B, Al, In, Tl, Si, Ge, Sn, Zn, Pb, Sb, Bi or mixtures thereof and at least one element selected from the group consisting of Te, Se, S, O, Sb, As, P, N, C, Ga or mixtures thereof, c) drying of the composition applied in step b), d) application of at least one coating to the first side of the substrate to which the composition is applied in step b), the coating containing is a silane of the general formula (Z1)Si(OR)3, in which Z1 is R, OR or Gly (Gly=3-glycidyloxypropyl) and R is an alkyl radical having 1 to 18 carbon atoms and all R may be identical or different, oxide particles selected from the oxides of Ti, Si, Zr, Al, Y, Sn, Zn, Ce or mixtures thereof, a polymer and an initiator, and e) drying of the coating applied in step b), f) application of at least one barrier layer to a second side of the substrate, and g) optional application of at least one layer containing at least one adhesive (adhesive layer) to the barrier layer applied in step f), and a coated substrate and coated support substrate obtainable by the abovementioned method.
    • 本发明涉及一种涂布基材的方法,包括以下步骤:a)提供基材,b)将组合物施用于基材的第一面,所述组合物含有无机化合物和含有至少一种 选自Sc,Y,Ti,Zr,Nb,V,Cr,Mo,W,Mn,Fe,Co,B,Al,In,Tl,Si,Ge,Sn,Zn的金属和/或半金属 ,Pb,Sb,Bi或其混合物和选自Te,Se,S,O,Sb,As,P,N,C,Ga或其混合物中的至少一种元素,c) 在步骤b)中,d)在步骤b)中向组合物施加至少一层涂料,其中含有通式(Z1)Si(OR)3的硅烷, 其中Z 1为R,OR或Gly(Gly = 3-缩水甘油氧基丙基),R为具有1至18个碳原子的烷基,全部R可相同或不同,选自氧化物 的Ti,Si,Zr,Al,Y,Sn,Zn,Ce或其混合物,聚合物和引发剂,以及e)在步骤b)中涂覆的涂层的干燥,f)将至少一个阻挡层施加到 并且g)可任选地在步骤f)中施加至少一层含有至少一种粘合剂(粘合剂层)的层,以及通过上述方法获得的涂覆的基底和涂覆的支撑基底。
    • 9. 发明申请
    • Ceramic Wall Cladding Composites with Electromagnetic Shielding Properties
    • 陶瓷墙包层复合材料与电磁屏蔽性能
    • US20080280050A1
    • 2008-11-13
    • US12093025
    • 2006-12-07
    • Edwin NunHeike BergandtAndreas GutschGerhard Geipel
    • Edwin NunHeike BergandtAndreas GutschGerhard Geipel
    • B05D3/02B32B5/16D21H19/72E04F13/12
    • H01Q17/00H05K9/0083Y10T156/1153Y10T428/24926Y10T428/256
    • The present invention relates to a method for coating substrates, comprising the steps of: a) preparing a substrate, b) applying a composition onto at least one side of the substrate, the composition containing an inorganic compound, the inorganic compound containing at least one metal and/or semimetal selected from the group Sc, Y, Ti, Zr, Nb, V, Cr, Mo, W, Mn, Fe, Co, B, Al, In, Tl, Si, Ge, Sn, Zn, Pb, Sb, Bi or mixtures thereof and at least one element selected from the group Te, Se, S, O, Sb, As, P, N, C, Ga or mixtures thereof, and an electrically conductive substance selected from metals, particulate metals, metal alloys, particulate metal alloys, conductive compounds containing carbon or mixtures thereof, c) drying the composition applied in step b), d) applying at least one coating onto the at least one side of the substrate onto which the composition was applied in step b), the coating containing a silane of the general formula (Z1)Si(OR)3, where Z1 is R, OR or Gly (Gly=3-glycidyloxypropyl) and R is an alkyl radical having from 1 to 18 carbon atoms and all R may be identical or different, oxide particles selected from the oxides of Ti, Si, Zr, Al, Y, Sn, Zn, Ce or mixtures thereof, and an initiator, the coating preferably containing 3-aminopropyltrimethoxysilane and/or 3-aminopropyltriethoxysilane and/or N-2-aminoethyl-3-aminopropyltrimethoxysilane, and e) drying the coating applied in step d), as well as to the coated substrate.
    • 本发明涉及一种涂布基材的方法,包括以下步骤:a)制备基材,b)将组合物施加到基材的至少一侧上,所述组合物含有无机化合物,所述无机化合物含有至少一种 金属和/或半金属选自Sc,Y,Ti,Zr,Nb,V,Cr,Mo,W,Mn,Fe,Co,B,Al,In,Tl,Si,Ge,Sn,Zn,Pb ,Sb,Bi或其混合物和选自Te,Se,S,O,Sb,As,P,N,C,Ga或其混合物中的至少一种元素,以及选自金属,颗粒金属 ,金属合金,颗粒状金属合金,含有碳或其混合物的导电化合物,c)干燥步骤b)中施加的组合物,d)将至少一层涂料施加到其上施用组合物的基材的至少一侧上 步骤b),所述涂层含有通式(Z 1)Si(OR 3)3的硅烷,其中Z 1 R,OR或Gly(Gly = 3-缩水甘油氧丙基),R为具有1至18个碳原子的烷基,全部R可相同或不同,选自Ti,Si, Zr,Al,Y,Sn,Zn,Ce或其混合物和引发剂,该涂层优选含有3-氨基丙基三甲氧基硅烷和/或3-氨基丙基三乙氧基硅烷和/或N-2-氨基乙基-3-氨基丙基三甲氧基硅烷,以及e) 在步骤d)中涂覆的涂层以及涂覆的基材。