摘要:
Molding compositions, based on unsaturated polyester resins, unsaturated monomers, catalysts, inorganic and/or organic fillers and/or reinforcing agents, dyestuffs and/or pigments, lubricants and optionally inhibitors, containing a siloxane of the formula ##STR1## wherein A IS 0 OR 1b is a number from 1 to 500, provided that when a is 0, b must be equal to or greater than 3 and the compound is a cyclosiloxane,R.sup.1 is hydrogen, alkyl or trimethylsilyl,R.sup.2 is alkyl of 8 to 32 carbon atoms, --R.sup.4 OCOR.sup.5, or --R.sup.4 OR.sup.6, where R.sup.4 is a bivalent radical, R.sup.5 is alkyl of 12 to 22 carbon atoms and R.sup.6 is alkyl of 8 to 22 carbon atoms, provided that up to 80 mole % of the above-mentioned radicals defining R.sup.2 may be methyl and provided further that at least one R.sup.2 per molecule is other than methyl, andR.sup.3 is methyl or alkoxy of 1 to 4 carbon atoms, and/or a carboxysiloxane as an eternal and/or internal lubricant, optionally together with an additional external and/or internal lubricant.
摘要翻译:含有下式的硅氧烷(I)的基于不饱和聚酯树脂,不饱和单体,催化剂,无机和/或有机填料和/或增强剂,染料和/或颜料,润滑剂和任选的抑制剂的成型组合物,其中 A 0或1 B为1至500的数字,当A为0时,B必须等于或大于3,化合物为环硅氧烷,R1为氢,烷基或三甲基甲硅烷基,R2为烷基8 至32个碳原子,-R4OCOR5或-R4OR6,其中R4是二价基团,R5是12-22个碳原子的烷基,R6是8-22个碳原子的烷基,条件是高达80% 上述定义R 2的基团可以是甲基,并进一步提供每个分子至少一个R 2不是甲基,R 3是甲基或1至4个碳原子的烷氧基,和/或作为永久和/或内部润滑剂的羧基硅氧烷,任选地 以及额外的外部和/或内部润滑剂。
摘要:
A moulding composition comprising (a) a melamineformaldehyde resin having a molar ratio of melamine to formaldehyde in the range 1:1.5 to 1:2.5 which upon hardening is capable of withstanding heating at 200.degree. C concerned for 2 hours in air without causing significant structural damage or color change to moulded articles made from moulding compositions in which it has been incorporated, (b) an accelerator derived from a mono- or dibasic organic acid, (c) an inorganic filler having low adsorption characteristics and an oil adsorption value of 10 to 40, (d) a further inorganic filler and (e) an external lubricant comprising at least one carboxyorganosiloxane esterified with an alcohol containing up to 4 carbon atoms and the process of preparing said moulding compositions.
摘要:
A thermostable substrate for flexible circuit boards having excellent flame-resistance, handling, and storage qualities may be produced by treating a substrate of a nonwoven fabric or paper with a flame-resistant, halogen-free polymeric composition. The polymeric composition comprises an aqueous mixture of a copolymerizate of acrylic acid esters and styrene, and an aminoplastic or phenoplastic precondensate to which a mixture of fine-particle red phosphorus and fine-particle ammonium polyphosphate is also added.
摘要:
A coextruded, biaxially draw-oriented, multi-layer polyester film as a base film for magnetic tape is described, whose characteristics are that the total thickness of the multi-layer film is no more than 10 .mu.m, the surface roughness of the base film on the side intended for the application of an information-carrying coating has an R.sub.a value (DIN 4768) of less than or equal to 0.010 .mu.m and the surface roughness of the opposite side of the base film which is not intended for application of an information-carrying coating, has an R.sub.a value of greater than 0.010 .mu.m and that the film has an E-modulus in the machine direction of greater than or equal to 6500 N/mm.sup.2.
摘要翻译:描述了作为用于磁带的基膜的共挤出的双轴拉伸取向的多层聚酯膜,其特征在于多层膜的总厚度不大于10μm,基底的表面粗糙度 在用于施加信息载体涂层的一侧的膜具有小于或等于0.010μm的Ra值(DIN 4768)和不用于施加的基底膜的相对侧的表面粗糙度 信息载体涂层的Ra值大于0.010μm,并且该膜在机器方向上具有大于或等于6500N / mm 2的E模量。
摘要:
A flame-resistant cover film for flexible circuit boards having excellent flame-resistance, handling, and storage qualities may be produced by treating an insulating film of a nonwoven polymer fabric with a flame-resistant, halogen-free polymeric adhesive. The polymeric adhesive comprises an aqueous mixture of a copolymerizate of acrylic acid esters and styrene, and an aminoplastic or phenoplastic precondensate to which a mixture of fine-particle red phosphorus and fine-particle ammonium polyphosphate is also added.
摘要:
Novel surfactant compounds are provided of the formula R--CO--NH--(C.sub.2 H.sub.4 O).sub.n --CH.sub.2 COOH, wherein R--CO-- is the residue of at least one aliphatic carboxylic acid of 6-22 carbon atoms and n represents a number having an average of 2-10, as well as their salts with alkali metals, ammonium and amines. These compounds possess not only a low primary toxicity, but also a low secondary toxicity for the skin, and accordingly they are especially useful in cosmetic compositions, compositions for non-automatic dishwashing and laundering compositions for the fine laundry.
摘要翻译:提供式R-CO-NH-(C 2 H 4 O)n -CH 2 COOH的新型表面活性剂化合物,其中R-CO-是至少一个6-22个碳原子的脂肪族羧酸的残基,n表示具有平均数 2-10,以及它们与碱金属,铵和胺的盐。 这些化合物不仅具有低的初级毒性,而且对皮肤具有低的二次毒性,因此它们特别可用于化妆品组合物,用于非常自动洗碗和用于细小衣物的洗涤组合物的组合物。
摘要:
This invention relates to an improvement in a substrate web coated with a thermosetting coating resin and optionally impregnated with an aminoplast resin, in particular a web of paper, for the surface finishing of woodwork panels or laminates, the improvement that the coating resin is a modified polyester resin, composed of (a) 60 to 95% by weight of a hardenable polyester resin, (b) 1 to 15% by weight of a cross-linking agent for the polyester resin, (c) 5 to 40% by weight of a thermoplastic containing predominantly linear, high-molecular weight, reactive groups, (d) 1 to 15% by weight of a monomer with at least one polymerizable double bond and at least one group which reacts with the reactive group of the thermoplastic, and (e) a hardening catalyst, and optionally dyes, pigments and/or fillers. The invention also relates to a process for preparing a synthetic resin coated substrate web.
摘要:
A flame-resistant interlining fabric for protective clothing made of a nonwoven fabric bonded by high-pressure fluid jet treatment, having weights per unit area of 40 to 200 g/m2 and containing 20 to 50 wt. % sheep wool and 50 to 80 wt. % of at least one synthetic, flame-retardant fiber.
摘要翻译:一种用于通过高压流体喷射处理结合的无纺布制成的防护衣物的阻燃衬布,每单位面积的重量为40至200g / m 2,并且含有20至50wt。 羊毛羊毛百分比和50-80重量% %的至少一种合成阻燃纤维。
摘要:
A backing sheet for the weathering-resistant coating of thin, plane backings in continuous presses without recooling comprising(A) a paper impregnated with curable melamine resin in an amount of 40 to 60 weight percent of aminoplast resin, based on the weight of the paper, in the dried state, and(B) a coating of curable acrylic resin on the impregnated paper in an amount of 60 to 150 g/m.sup.2, the curable acrylic resin being a copolymer obtained by polymerizing:(a) 60 to 80 weight percent of one or more alkyl methacrylate esters with 1 to 20 carbon atoms in the alkyl radical;(b) 1 to 30 weight percent of one or more alkyl acrylate esters with 1 to 8 carbon atoms in the alkyl radical;(c) 1 to 20 weight percent of an N-methoxymethylamide of acrylic acid, methacrylic acid, or mixtures thereof;(d) 1 to 20 weight percent of a hydroxyalkyl ester of acrylic or methacrylic acid, with 2 to 4 carbon atoms in the alkyl radical;(e) 1 to 20 weight percent of acrylamide or methacrylamide, the molar ratio of component (c) to the sum of (d) and (e) being about 1:1 and the ratio of (d) to (c) being 4:1 to 1:4;(f) 0 to 35 weight percent of acrylonitrile,the sum of components (a) to (f) being 100 weight percent. The so-called endless laminates, fabricated by using the inventive backing sheet containing the selected acrylic resin, have a defect-free surface, even though the laminates were not recooled.