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    • 67. 发明授权
    • Shaped article comprising a permanently plasticized cellulose
composition of high mechanical strength and preparation thereof
    • 成型制品包括具有高机械强度的永久增塑的纤维素组合物及其制备
    • US4221821A
    • 1980-09-09
    • US855980
    • 1977-11-30
    • Klaus-Dieter HammerGunter GerigkWolf-Rainer NeeffMax Bytzek
    • Klaus-Dieter HammerGunter GerigkWolf-Rainer NeeffMax Bytzek
    • A22C13/00B29C47/00B65D75/00C08L1/06
    • B65D75/00A22C13/0013B29C47/0026B29C47/8895C08L1/06B29C47/0014B29C47/0016B29C47/0019B29C47/0021Y10T428/1324
    • A shaped article, especially a tubing, is disclosed which comprises a plasticized cellulose hydrate composition of high mechanical strength which is obtained by reacting a plasticized cellulose composition obtained by treating cellulose hydrate with a plasticity-enhancing amount of at least one plasticizing alkyl derivative which comprises an alkyl containing from about 8 to about 24 carbon atoms and which is selected from the group consisting of alkylamido-bis-dimethylene-triazinone-tetramethylol, alkylamino-bis-dimethylene-triazinone-tetramethylol, a substantially water insoluble ester of an aliphatic monocarboxylic acid containing from about 9 to about 25 carbon atoms, and a polyalcohol, such as glycerol or polyethylene glycol with a cyclic dimethylolurea derivative, and water and/or a plasticizer.Such shaped articles can be prepared by mixing a viscose solution with a liquid containing the plasticizing alkyl derivative, introducing the resulting mixture into a precipitating bath, washing the precipitated shaped body in the gel state, treating it with an acidic solution of the cyclic urea compound and drying it in the heat. Tube-shaped articles are especially suited as sausage casings.
    • 公开了一种成型制品,特别是管材,其包括具有高机械强度的增塑纤维素水合物组合物,其通过将通过处理纤维素水合物获得的增塑纤维素组合物与可塑性增强量的至少一种增塑烷基衍生物反应而获得, 含有约8至约24个碳原子的烷基,其选自烷基酰氨基 - 双 - 二亚甲基 - 三嗪酮 - 四羟甲基,烷基氨基 - 双 - 二亚甲基 - 三嗪酮 - 四羟甲基,基本上不溶于脂肪族单羧酸的酯 含有约9至约25个碳原子的多元醇,和诸如甘油或聚乙二醇与环状二羟甲基脲衍生物的多元醇,以及水和/或增塑剂。 这种成形制品可以通过将粘胶溶液与含有增塑烷基衍生物的液体混合来制备,将所得混合物引入沉淀浴中,以凝胶状态洗涤沉淀的成形体,用环状脲化合物的酸性溶液 并在热中干燥。 管状物品特别适合作为香肠肠衣。
    • 68. 发明授权
    • Shaped article of cellulose hydrate with a coating of plastic material
of chemically modified protein and process for the production thereof
    • 具有化学改性蛋白质的塑料材料的涂层的水合纤维素形成品及其生产方法
    • US4097623A
    • 1978-06-27
    • US619225
    • 1975-10-03
    • Klaus-Dieter HammerWolfgang KlendauerMartin Schroder
    • Klaus-Dieter HammerWolfgang KlendauerMartin Schroder
    • A23P1/00A22C13/00C08L1/06C09D189/00B05D7/02B05D7/22
    • C09D189/00A22C13/0013C08L1/06Y10T428/1324Y10T428/31703
    • This invention relates to a process for coating the surface of a shaped article of cellulose hydrate with a layer of polymer material which comprises applying to the surface of a shaped article in the gel state and based on cellulose hydrate, a liquid layer of an aqueous solution of a chemically modified protein obtained by mixing an aqueous alkaline protein solution with an aqueous solution of N-methylol-acrylamide or N-methylol-methacrylamide or of the alkoxy derivatives thereof of aliphatic alcohols with 1 to 8 carbon atoms, particularly of organic, tetrafunctional, doubly unsaturated compounds of the general formula ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or an alkyl group with 1 to 6 carbon atoms, and R.sub.3 is the group --(CH.sub.2).sub.n --, n being an integer from 1 to 8, or the group ##STR2## in which R.sub.4 is an alkyl group with 1 to 18 carbon atoms, SUBJECTING THE LIQUID MIXTURE TO A DWELL TIME, HEATING THE COATED SHAPED ARTICLE, AND WETTING THE SHAPED ARTICLE. The invention also relates to a shaped article of cellulose hydrate having a coating of protein thereon.
    • 本发明涉及一种用聚合物材料层涂覆纤维素水合物的成型制品的表面的方法,该方法包括以凝胶状态施加到成形制品的表面上,并且基于纤维素水合物,水溶液的液体层 通过将碱性水溶液与N-羟甲基 - 丙烯酰胺或N-羟甲基 - 甲基丙烯酰胺的水溶液或其具有1-8个碳原子的脂族醇的烷氧基衍生物混合而获得的化学修饰的蛋白质,特别是有机,四官能 ,其中R 1和R 2为氢或具有1至6个碳原子的烷基的通式为“IMAGE”的双不饱和化合物,R 3为基团 - (CH 2)n - ,n为1至8的整数, 或其中R 4为具有1至18个碳原子的烷基的基团,将液体混合物置于干燥时间,加热涂覆的形状和润湿形状的物品。 本发明还涉及在其上具有蛋白质涂层的水合物的成形制品。