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    • 3. 发明授权
    • Copolymers having long-chain acrylates
    • 具有长链丙烯酸酯的共聚物
    • US08841363B2
    • 2014-09-23
    • US13123990
    • 2009-10-02
    • Motonori YamamotoUlrike LichtDietrich Scherzer
    • Motonori YamamotoUlrike LichtDietrich Scherzer
    • C08F220/18C08F220/32C08L3/02
    • C08F220/18C08F220/32C08L3/02C08L2666/04
    • The present invention relates to copolymers obtainable by free-radical polymerization of i) 10% to 90% by weight, based on the total weight of components i to iv, of at least one monomer selected from the group consisting of a C8-C30 alkyl (meth)acrylate, C8-C30 vinyl ester, C8-C30 vinyl ether, C8-C30 olefin, and triglyceride of unsaturated C8-C30 carboxylic acids; ii) 0.5% to 70% by weight, based on the total weight of components i to iv, of a double-bond-containing monomer having at least one epoxide, isocyanate, carbodiimide, silane, β-dicarbonyl, oxazoline, or anhydride group; iii) 0% to 75% by weight, based on the total weight of components i to iv, of one or more monomers selected from the group consisting of vinylaromatic, C1-C7-alkyl (meth)acrylate, ethylenically unsaturated acetophenone derivative or benzophenone derivative, C1-C7 vinyl ester, C1-C7 vinyl ether, ethylenically unsaturated nitrile, ethylenically unsaturated amide, vinyl halide, C2-C7 olefin, cyclic lactam, and mixtures of these monomers; and iv) 0% to 10% by weight, based on the total weight of components i to iv, of a free-radically polymerizable monomer with carboxylic acid, sulfonic acid or phosphonic acid groups or salts thereof. The invention further relates to polymer mixtures comprising these copolymers and also to the use of the copolymers as chain extenders, compatibilizers and/or hydrolysis stabilizers, to produce paper and cardboard, for surface finishing in the paper, textile, and leather industries, and in adhesives.
    • 本发明涉及可通过自由基聚合获得的共聚物,i)10至90重量%,基于组分i至iv的总重量,至少一种选自下组的单体:C 8 -C 30烷基 (甲基)丙烯酸酯,C8-C30乙烯基酯,C8-C30乙烯基醚,C8-C30烯烃和不饱和C8-C30羧酸的甘油三酯; ii)基于i至iv组分的含有至少一种环氧化物,异氰酸酯,碳二亚胺,硅烷,二羰基,恶唑啉或酸酐的含双键的单体的总重量的0.5重量%至70重量% 组; iii)0至75重量%,基于组分i至iv的总重量,选自乙烯基芳族化合物,(甲基)丙烯酸C 1 -C 7烷基酯,烯属不饱和苯乙酮衍生物或二苯甲酮的一种或多种单体 衍生物,C1-C7乙烯基酯,C1-C7乙烯基醚,烯键式不饱和腈,烯属不饱和酰胺,卤代乙烯基,C 2 -C 7烯烃,环状内酰胺和这些单体的混合物; 和iv)基于组分i至iv的具有羧酸,磺酸或膦酸基团的可自由基聚合的单体或其盐的0重量%至10重量%。 本发明还涉及包含这些共聚物的聚合物混合物,并且还涉及使用共聚物作为增链剂,增容剂和/或水解稳定剂来生产纸和纸板,用于纸,纺织和皮革工业中的表面处理,以及 粘合剂。
    • 9. 发明授权
    • Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate
    • 低提取物含量的聚酰胺6的制备方法,高粘度稳定性和低再聚合速率
    • US06525167B1
    • 2003-02-25
    • US09913122
    • 2001-08-09
    • Ralf MohrschladtVolker HildebrandtMotonori Yamamoto
    • Ralf MohrschladtVolker HildebrandtMotonori Yamamoto
    • C08G6904
    • C08G69/04C08G69/16
    • The continuous process for producing polyamides by reacting at least one aminonitrile with water comprises the following steps: (10) reacting at least one aminonitrile with water at a temperature of from 200 to 290° C. at a pressure of from 40 to 70 bar in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite, sheet-silicate or metal oxide catalyst in the form of a fixed bed, (11) diabatically or adiabatically expanding the reaction mixture from step (1) into a first separation zone to a pressure of from 20 to 40 bar, the pressure being at least 10 bar lower than the pressure in step (1), and to a temperature within the range from 220 to 290° C. by flash evaporation and removal of ammonia, water and any aminonitrile monomer and oligomer, (12) further reacting the reaction mixture from step (2) in the presence of water at a temperature of from 200 to 290° C. and a pressure of from 25 to 55 bar and in the presence or absence of a Brönsted acid catalyst selected from a beta-zeolite, sheet-silicate or metal oxide catalyst in the form of a fixed bed, (13) diabatically or adiabatically expanding the reaction mixture from step (3) into a second separation zone to a pressure of from 0.01 to 20 bar, the pressure being at least 20 bar lower than the pressure in step (3), and to a temperature within the range from 220 to 290° C. by flash evaporation and removal of ammonia, water and any aminonitrile monomer and oligomer.
    • 通过使至少一种氨基腈与水反应生产聚酰胺的连续方法包括以下步骤:(10)在200至290℃的温度下,在40至70巴的压力下使至少一种氨基腈与水反应, 含有布朗斯台德酸催化剂的流动管,其选自固体床形式的β-沸石,硅酸盐或金属氧化物催化剂,(11)将反应混合物从步骤(1)进行绝热或绝热膨胀到第一分离区 压力为20至40巴,压力比步骤(1)中的压力低至少10巴,并且通过闪蒸和除去氨,水的温度在220至290℃的范围内 和任何氨基腈单体和低聚物,(12)在水存在下,在200-290℃的温度和25至55巴的压力下,使步骤(2)的反应混合物进一步反应,并在 没有布朗斯台德酸催化剂选择f 以固定床形式的β-沸石,片状硅酸盐或金属氧化物催化剂(13)将步骤(3)的反应混合物从第二分离区中分离或绝热膨胀至压力为0.01至20巴 ,压力比步骤(3)中的压力低至少20巴,并通过闪蒸和氨,水和任何氨基腈单体和低聚物的除去而达到220-290℃的温度。