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公开(公告)号:US4551518A
公开(公告)日:1985-11-05
申请号:US632921
申请日:1984-07-20
CPC分类号: C08G18/4275
摘要: A novel process for production of polyurethane having excellent hydrolysis resistance, heat resistance, low-temperature characteristics and no tendency of crystallization and capability of making high solid content solution, which is obtained from a polymerized polyol having two or more hydroxy groups in the molecule and a polyisocyanate, and optionally a chain extender, characterized in that the polymerized polyol component is a polymerized polyol having ##STR1## groups in the molecule.
摘要翻译: 分子中具有两个以上羟基的聚合多元醇得到的具有优异的耐水解性,耐热性,低温特性,结晶倾向性和高固含量溶液制造能力的新型聚氨酯的制造方法,以及 多异氰酸酯和任选的扩链剂,其特征在于聚合的多元醇组分是分子中具有 u>基团的聚合多元醇。
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公开(公告)号:US5070172A
公开(公告)日:1991-12-03
申请号:US254651
申请日:1988-09-22
申请人: Koji Hirai , Shunro Taniguchi , Michihiro Ishiguro , Yoshifumi Murata , Shinichi Yokota , Masao Ishii , Noriaki Yoshimura , Takayuki Okamura
发明人: Koji Hirai , Shunro Taniguchi , Michihiro Ishiguro , Yoshifumi Murata , Shinichi Yokota , Masao Ishii , Noriaki Yoshimura , Takayuki Okamura
CPC分类号: C08G18/44 , C08G18/42 , C08G18/4211 , C08G18/4238 , C08G2120/00 , C08G2380/00 , C08G2410/00
摘要: In the preparation of a polyurethane from a polymeric polyol and an organic polyisocyanate, by using as the polyol a polymeric polyol containing in the molecule thereof 2-methyl-1,8-octanediol residue, a novel polyurethane having excellent resistance to hydrolysis, low temperature characteristics and abrasion resistance can be obtained.
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公开(公告)号:US4639471A
公开(公告)日:1987-01-27
申请号:US826595
申请日:1986-02-06
申请人: Koji Hirai , Shunro Taniguchi , Michihiro Ishiguro , Yoshifumi Murata , Shinichi Yokota , Masao Ishii , Noriaki Yoshimura , Takayuki Okamura
发明人: Koji Hirai , Shunro Taniguchi , Michihiro Ishiguro , Yoshifumi Murata , Shinichi Yokota , Masao Ishii , Noriaki Yoshimura , Takayuki Okamura
CPC分类号: C08G18/4211 , C08G18/4238 , C08G2101/00 , C08G2190/00 , C08G2350/00 , C08G2380/00 , C08G2410/00
摘要: A process for producing a novel polyester polyurethane having excellent hydrolysis resistance and excellent flexibility at low temperature, which is obtained from a polyisocyanate and a polyester polyol which is obtained by reaction a dicarboxylic acid with a mixture of 1,9-nonanediol and a polyol represented by the formula ##STR1## wherein R.sup.1 denotes methyl group or ethyl group, R.sup.2 denotes hydrogen atom, methyl group, ethyl group, hydroxymethyl group or hydroxyethyl group, and n is an integer of 1 to 5, said polyester polyol having an average molecular weight of 500 to 30,000.
摘要翻译: 一种生产具有优异的耐水解性和优异的低温柔软性的新型聚酯聚氨酯的方法,该多异氰酸酯和聚酯多元醇是通过使二元羧酸与1,9-壬二醇和多元醇的混合物反应而得到的 其中R1表示甲基或乙基,R2表示氢原子,甲基,乙基,羟甲基或羟乙基,n为1〜5的整数,式中,所述聚酯多元醇具有 平均分子量为500〜30,000。
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4.
公开(公告)号:US4420640A
公开(公告)日:1983-12-13
申请号:US372337
申请日:1982-04-27
IPC分类号: C07C45/49 , C07C47/263 , C07C45/50
CPC分类号: C07C47/263 , C07C45/49
摘要: There is disclosed a method of producing 1,9-nonanedial and/or 9-hydroxy-7-nonen-1-al which comprises reacting 2,7-octadien-1-ol with a mixture of hydrogen and carbon monoxide in an organic solvent in the presence of a rhodium catalyst and 30-300 equivalents of a monodentate tertiary organic phosphorus compound in per gram atom of rhodium at a hydrogen partial pressure of 0.5-20 kg/cm.sup.2 (absolute) and a carbon monoxide partial pressure of 0.1-5.0 kg/cm.sup.2 (absolute).
摘要翻译: 公开了一种生产1,9-壬二醛和/或9-羟基-7-壬烯-1-醛的方法,其包括使2,7-辛二烯-1-醇与氢和一氧化碳在有机溶剂中的混合物 在铑催化剂存在下,在氢分压为0.5-20kg / cm 2(绝对)和一氧化碳分压为0.1-5.0的每克原子铑中的30-300当量的单齿叔有机磷化合物 kg / cm2(绝对)。
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公开(公告)号:US4510332A
公开(公告)日:1985-04-09
申请号:US469699
申请日:1983-02-25
IPC分类号: C07C45/50 , B01J31/00 , C07B61/00 , C07C43/317 , C07C45/00 , C07C45/49 , C07C45/80 , C07C45/81 , C07C45/82 , C07C45/85 , C07C47/12 , C07C67/00
摘要: A process for producing 1,9-nonanedial which comprises hydroformylating 7-octen-1-al with a mixture of hydrogen and carbon monoxide in an aqueous sulfolane or 1,4-butanediol solution in the presence of a rhodium complex and the sodium, potassium or lithium salt of m-(diphenylphosphino)benzenesulfonic acid, extracting 1,9-nonanedial from the reaction mixture with a primary alcohol or a mixture of a primary alcohol and a saturated aliphatic hydrocarbon, and recycling the extraction residue containing the catalyst components to the 7-octen-1-al hydroformylation step.
摘要翻译: 一种生产1,9-壬二醛的方法,其包括在铑配合物和钠,钾存在下,在环丁砜或1,4-丁二醇溶液的水溶液中将7-辛烯-1-醛与氢和一氧化碳的混合物加氢甲酰化 或间 - (二苯基膦基)苯磺酸的锂盐,用伯醇或伯醇和饱和脂族烃的混合物从反应混合物中提取1,9-壬二醛,并将含有催化剂组分的萃取残余物循环至 7-辛烯-1-醛加氢甲酰化步骤。
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公开(公告)号:US5606005A
公开(公告)日:1997-02-25
申请号:US558779
申请日:1995-11-16
申请人: Tatuya Oshita , Kimio Nakayama , Michihiro Ishiguro , Koji Hirai , Shigeaki Suzuki , Noriaki Yoshimura
发明人: Tatuya Oshita , Kimio Nakayama , Michihiro Ishiguro , Koji Hirai , Shigeaki Suzuki , Noriaki Yoshimura
CPC分类号: C08G63/16 , C07C45/50 , C07C47/12 , C07C51/235 , C08G18/0895 , C08G18/4238 , C08G18/664 , Y10S528/906
摘要: A polyurethane made of polyester diol units, organic diisocyanate units and units from a chain extender, wherein the polyester diol units contain dicarboxylic acid units and diol units, wherein at least 30 mole % of the dicarboxylic acid units are units derived from 3,8-dimethyldecanedioic acid, 3,7-dimethyldecanedioic acid or a mixture thereof, and wherein the polyester diol units have a number-average molecular weight in a range from 500 to 6000 is provided along with the polyester diol for preparing the polyurethane, polyurethane fibers prepared from the polyurethane, a molded article prepared from the polyurethane and processes for producing the polyurethane, polyester diol, dimethyldecanedioic acids and dimethyldecanedials used to prepare the dimethyldecanedioic acids; where the polyurethane and fibers produced therefrom are superior in various properties such as hydrolytic resistance, heat resistance, resistance to hot water, cold resistance, fungal resistance and mechanical performances e.g., strength at break and elongation at break, as well as injection moldability and the fibers are dyeable under high-temperature and high-pressure conditions and are superior, after dyeing, in tensile strength and elongation, elastic recovery, fungal resistance, resistance to chlorine and color fastness.
摘要翻译: 由聚酯二醇单元制成的聚氨酯,有机二异氰酸酯单元和扩链剂的单元,其中聚酯二醇单元含有二羧酸单元和二醇单元,其中至少30摩尔%的二羧酸单元是衍生自3,8- 二甲基癸二酸,3,7-二甲基癸二酸或其混合物,其中聚酯二醇单元的数均分子量在500-6000的范围内与聚酯二醇一起提供,用于制备聚氨酯,聚氨酯纤维由 聚氨酯,由聚氨酯制备的模制品和用于制备二甲基癸二酸的聚氨酯,聚酯二醇,二甲基癸二酸和二甲基癸二醛的方法; 其中由其生产的聚氨酯和纤维在各种性能如耐水解性,耐热性,耐热水性,耐寒性,耐真菌性和机械性能方面具有优越性,例如断裂强度和断裂伸长率,以及注射成型性和 纤维在高温和高压条件下可染色,染色后,拉伸强度和伸长率,弹性恢复,真菌耐性,耐氯性和色牢度优异。
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公开(公告)号:US4935488A
公开(公告)日:1990-06-19
申请号:US340791
申请日:1989-04-20
申请人: Toshihiro Omatsu , Yasuo Tokitoh , Noriaki Yoshimura , Masao Ishida , Makoto Yano , Koji Hirai , Yoichi Matsumoto , Keiji Kubo
发明人: Toshihiro Omatsu , Yasuo Tokitoh , Noriaki Yoshimura , Masao Ishida , Makoto Yano , Koji Hirai , Yoichi Matsumoto , Keiji Kubo
IPC分类号: C07C31/22 , C08G63/16 , C08G63/48 , C09D167/00
CPC分类号: C09D167/00 , C07C31/22 , C08G63/16 , C08G63/48
摘要: Novel trimethylolheptanes having three highly reactive hydroxyl groups are provided. They are useful as raw materials for the production of polyesters for use in or as raw materials or modifiers for paints, inks, adhesives, coating compositions and molding resins. Uses for the trimethylolheptanes are also provided.
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8.
公开(公告)号:US5100854A
公开(公告)日:1992-03-31
申请号:US620211
申请日:1990-11-30
IPC分类号: B01J31/02 , B01J31/20 , B01J31/22 , B01J31/24 , B01J31/28 , B01J31/40 , C07C2/74 , C07C29/36 , C07C33/02 , C07C41/06 , C07F9/54
CPC分类号: B01J31/28 , B01J31/0268 , B01J31/24 , C07C2/74 , C07C29/36 , C07C33/02 , C07C41/06 , C07C67/055 , C07F9/5428 , B01J2231/20 , B01J2531/824 , B01J31/20 , B01J31/2208 , B01J31/40 , C07C2531/02 , Y02P20/584
摘要: Novel phosphonium salts of the general formula ##STR1## wherein R.sup.1 and R.sup.2 each is a hydrogen atom or a hydrocarbon group of 1 to 12 carbon atoms which may optionally be substituted; R.sup.3 is a hydrogen atom or a hydrocarbon group of 1 to 5 carbon atoms which may optionally be substituted; R.sup.4, R.sup.5 and R.sup.6 each is a hydrocarbon group of 1 to 8 carbon atoms which may optionally be substituted; X is a hydroxyl group, a hydroxycarbonyloxy group or a lower alkylcarbonyloxy group, and processes for production of the salts are described. Telomerization catalysts containing said phosphonium salts and processes for production of straight-chained alkadienyl compounds using the same catalysts are also provided.
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公开(公告)号:US4743547A
公开(公告)日:1988-05-10
申请号:US849859
申请日:1986-04-09
CPC分类号: C12P41/00 , C12P13/222
摘要: There is provided a method of producing L-phenylalanine in high optical purity which comprises treating an N-acylphenylalanine alkyl ester in L form, in the presence of water, with an enzyme capable of hydrolyzing the N-acylphenylalanine alkyl ester in L form to give L-phenylalanine.
摘要翻译: 提供了一种以高光学纯度生产L-苯丙氨酸的方法,其包括在水存在下用能够水解L-形式的N-酰基苯丙氨酸烷基酯的酶处理L-形式的N-酰基苯丙氨酸烷基酯,得到 L-苯丙氨酸。
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10.
公开(公告)号:US4992609A
公开(公告)日:1991-02-12
申请号:US492882
申请日:1990-03-13
IPC分类号: B01J31/02 , B01J31/20 , B01J31/22 , B01J31/24 , B01J31/28 , B01J31/40 , C07C2/74 , C07C29/36 , C07C33/02 , C07C41/06 , C07F9/54
CPC分类号: B01J31/28 , B01J31/0268 , B01J31/24 , C07C2/74 , C07C29/36 , C07C33/02 , C07C41/06 , C07C67/055 , C07F9/5428 , B01J2231/20 , B01J2531/824 , B01J31/20 , B01J31/2208 , B01J31/40 , C07C2531/02 , Y02P20/584
摘要: Novel phosphonium salts of the general formula ##STR1## wherein R.sup.1 and R.sup.2 each is a hydrogen atom or a hydrocarbon group of 1 to 12 carbon atoms which may optionally be substituted; R.sup.3 is a hydrogen atom or a hydrocarbon group of 1 to 5 carbon atoms which may optionally be substituted; R.sup.4, R.sup.5 and R.sup.6 each is a hydrocarbon group of 1 to 8 carbon atoms which may optionally be substituted; X is a hydroxyl group, a hydroxycarbonyloxy group or a lower alkylcarbonyloxy group, and processes for production of the salts are described. Telomerization catalysts containing said phosphonium salts and processes for production of straight-chain alkadienyl compounds using the same catalysts are also provided.
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