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    • 2. 发明授权
    • Water absorbing agent
    • 吸水剂
    • US4734478A
    • 1988-03-29
    • US748820
    • 1985-06-26
    • Tsuneo TsubakimotoTadao ShimomuraYoshio IrieYoshihiko MasudaKazumasa KimuraTakumi Hatsuda
    • Tsuneo TsubakimotoTadao ShimomuraYoshio IrieYoshihiko MasudaKazumasa KimuraTakumi Hatsuda
    • A61L15/18A61L15/60B01J20/26C08F8/14C08J3/12C08J3/24D21H17/28D21H17/43
    • C08J3/12A61L15/18A61L15/60B01J20/26C08F8/14D21H17/28D21H17/43C08F2810/20C08J2300/14
    • The invention provides [I] a water-absorbing agent composed of a water-absorbing resin powder having the molecular chains near its surface being crosslinked, said powder being obtained by mixing 100 parts by weight of a powder of a carboxyl-containing water-absorbing resin selected from the group consisting of a hydrolyzate of a starch-acrylonitrile graft polymer, a partially neutralized product of a starch-acrylic acid graft polymer, a saponification product of a vinyl acetate-acrylic ester copolymer, a hydrolyzate of an acrylonitrile copolymer, a crosslinked product of a hydrolyzate of an acrylonitrile copolymer, a hydrolyzate of an acrylamide copolymer, a crosslinked product of a hydrolyzate of an acrylamide copolymer, a partially neutralized product of polyacrylic acid, and a crosslinked product of partially neutralized polyacrylic acid with 0.001 to 10 parts by weight of a polyhydric alcohol, 0.01 to 8 parts by weight of a hydrophilic organic solvent and 0 to 8 parts by weight of water, and heating the mixture at a temperature of at least 90.degree. C. to react the water-absorbing resin powder with the polyhydric alcohol; [II] a water-absorbing agent composed of a mixture of the water-absorbing agent [I] with finely divided silica; [III] a water-absorbing agent obtained by pulverizing and granulating a mixture of the water-absorbing agent [I] with an aqueous liquid; and [IV] a water-absorbing agent composed of a mixture of the water-absorbing agent [III] with finely divided silica.
    • 本发明提供[I]一种由其表面附近的分子链交联的吸水性树脂粉末组成的吸水剂,所述粉末是通过将100重量份的含羧基的吸水性粉末 选自淀粉 - 丙烯腈接枝聚合物的水解产物,淀粉 - 丙烯酸接枝聚合物的部分中和产物,乙酸乙烯酯 - 丙烯酸酯共聚物的皂化产物,丙烯腈共聚物的水解产物, 丙烯腈共聚物的水解产物,丙烯酰胺共聚物的水解产物,丙烯酰胺共聚物的水解产物的交联产物,聚丙烯酸的部分中和产物和部分中和的聚丙烯酸的交联产物与0.001至10份的交联产物 的多元醇,0.01〜8重量份的亲水性有机溶剂和0〜8重量份的 水,并在至少90℃的温度下加热混合物以使吸水性树脂粉末与多元醇反应; [II]由吸水剂[I]与细碎二氧化硅的混合物组成的吸水剂; [III]通过将吸水剂[I]与水性液体的混合物粉碎和造粒得到的吸水剂; 和[IV]由吸水剂[III]与细碎二氧化硅的混合物组成的吸水剂。
    • 5. 发明授权
    • Method for continuous production of cross-linked polymer
    • 连续生产交联聚合物的方法
    • US4625001A
    • 1986-11-25
    • US790819
    • 1985-10-24
    • Tsuneo TsubakimotoTadao ShimomuraYoshio Irie
    • Tsuneo TsubakimotoTadao ShimomuraYoshio Irie
    • B01J19/20C08F2/00C08F2/10
    • C08F2/10B01J19/20C08F2/002
    • A method for the continuous production of a cross-linked polymer having a low proportion of large particles, comprising the steps of continuously feeding the aqueous solution of a monomer capable of being converted by aqueous solution polymerization into a water-containing cross-linked gel polymer and a polymerization initiator to a vessel provided with a plurality of mutually parallel rotary stirring shafts each fitted with stirring blades, finely dividing a water-containing gel polymer issuing from the polymerization in progress by the shearing force of stirring blades generated by the rotation of said stirring shafts while allowing the radical aqueous solution polymerization to proceed without interruption, and continuously discharging the resultant finely divided water-containing gel polymer out of said vessel.
    • 一种连续生产具有低比例的大颗粒的交联聚合物的方法,包括以下步骤:将能够通过水溶液聚合转化的单体的水溶液连续进料到含水交联凝胶聚合物 和聚合引发剂,其设置有多个相互平行的旋转搅拌轴,每个旋转搅拌轴均装有搅拌叶片,通过由所述搅拌叶片的旋转产生的搅拌叶片的剪切力将从聚合反应中发出的含水凝胶聚合物细分, 同时允许自由基水溶液聚合不间断地进行,并将所得细分的含水凝胶聚合物从所述容器中连续排出。
    • 6. 发明授权
    • Copolymer and method for manufacture thereof
    • 共聚物及其制造方法
    • US4471100A
    • 1984-09-11
    • US339640
    • 1982-01-15
    • Tsuneo TsubakimotoMasahiro HosoidoHideyuki Tahara
    • Tsuneo TsubakimotoMasahiro HosoidoHideyuki Tahara
    • C02F5/10C02F5/12C04B24/26C08F216/14C08F222/00C09D7/45C08F8/44
    • C02F5/10C02F5/12C04B24/2688C08F216/1416C08F222/00C09D7/02
    • A copolymer represented by the general formula: ##STR1## [wherein, A denotes an alkylene group of 2 to 4 carbon atoms, the --A--O--.sub.a chain may have at least one oxy-alkylene unit bonded in any possible order, a denotes an integer of the value of 1 to 100, R.sup.1 and R.sup.2 independently denote a hydrogen atom or a methyl group, X and Y independently denote a monovalent metal atom, a divalent metal atom, an ammonium group, an organic amine group, or --B--O--.sub.b R.sup.3 (wherein, B denotes an alkylene group of 2 to 4 carbon atoms. the --B--O--.sub.b chain may have at least one oxy-alkylene unit bonded in any possible order, b denotes 0 or an integer of the value of 1 to 100, and R.sup.3 denotes a hydrogen atom or an alkyl group of 1 to 20 carbon atoms), Z denotes a structural unit derived from a copolymerizable vinyl monomer, m and n each denote 1 where X and Y are each a monovalent metal atom, an ammonium group, an organic amine group, or --B--O--.sub.b R.sup.3 or 2 where X and Y are each a divalent metal atom, and p, q, and r denote numbers such that 25.ltoreq.p.ltoreq.75, 25.ltoreq.q.ltoreq.75, and 0.ltoreq.r.ltoreq.50 are satisfied on condition that p+q+r equals 100, and it is provided that the structural units involved herein may be bonded in any possible order].
    • 由以下通式表示的共聚物:其中,A表示2至4个碳原子的亚烷基,-A 0 a链可以具有至少一个以任何可能的顺序键合的氧亚烷基单元,a表示 1〜100的整数,R1和R2分别表示氢原子或甲基,X和Y独立地表示一价金属原子,二价金属原子,铵基,有机胺基或-BO -bR3(其中,B表示2〜4个碳原子的亚烷基,-BOb链可以具有至少一个以任何可能的顺序键合的氧亚烷基单元,b表示0或1〜100的整数, R3表示氢原子或碳原子数1〜20的烷基),Z表示由可共聚乙烯基单体衍生的结构单元,m和n各自表示1,X和Y各自为一价金属原子,铵基 ,有机胺基或-BO-bR 3或2,其中X和Y各自是二价金属原子,p,q和r deno 在p + q + r等于100的条件下,满足25≤p
    • 7. 发明授权
    • Absorbent resin composition and process for producing same
    • 吸收性树脂组合物及其制造方法
    • US4286082A
    • 1981-08-25
    • US137640
    • 1980-04-07
    • Tsuneo TsubakimotoTadao ShimomuraYoshio IrieYoshihiko Masuda
    • Tsuneo TsubakimotoTadao ShimomuraYoshio IrieYoshihiko Masuda
    • A61L15/18A61L15/48A61L15/60C08F2/18C08F220/06
    • C08F220/06A61L15/18A61L15/48A61L15/60Y10T428/2982Y10T428/2998
    • An absorbent resin composition obtained by copolymerizing in an aqueous solution a mixture of 100 parts by weight of an acrylate salt monomer (B) composed of 0 to 50 mol % of acrylic acid and 50 to 100 mol % of an alkali metal acrylate and 0.001 to 5 part by weight of a crosslinkable monomer (C) having 2 to 4 groups selected from the group consisting of CH.sub.2 .dbd.CHCO--, CH.sub.2 .dbd.C(CH.sub.3)C0-- and CH.sub.2 .dbd.CH-CH.sub.2 -- in the molecule in the presence of at least one surface-active agent (A) selected from the group consisting of water-soluble surface-active agents and water-dispersible surface-active agents in the presence of a water-soluble radical polymerization initiator while maintaining the initial concentration of said mixture in the range of from 25% by weight to saturation, and then drying the resulting gel-like hydrous polymer under heat; and an absorbent resin composition obtained by pulverizing said absorbent resin composition to form a resin powder, and blending said resin powder with 0.01 to 10 parts by weight, per 100 parts by weight of said resin powder, of ultra-microscopic silica having a specific surface area, measured by the Brunauer-Emmett-Teller method, of at least 50 m.sup.2 /g and a particle diameter of not more than about 0.05 micron: and a process for producing the same.
    • 一种吸收性树脂组合物,其通过在水溶液中共聚100重量份由0〜50摩尔%的丙烯酸和50〜100摩尔%的碱金属丙烯酸酯组成的丙烯酸盐单体(B)和0.001〜 5重量份在存在下的分子中具有2至4个选自CH 2 = CHCO-,CH 2 = C(CH 3)C 0 - 和CH 2 = CH-CH 2 - 的基团的交联性单体(C) 在水溶性自由基聚合引发剂存在下,选自水溶性表面活性剂和水分散性表面活性剂的至少一种表面活性剂(A),同时保持所述混合物的初始浓度 25重量%至饱和的范围,然后在加热下干燥所得凝胶状含水聚合物; 和通过将所述吸收性树脂组合物粉碎以形成树脂粉末而获得的吸收性树脂组合物,并将所述树脂粉末与每100重量份所述树脂粉末相当的0.01至10重量份的具有比表面积的超微量二氧化硅 通过Brunauer-Emmett-Teller方法测量的面积至少为50m 2 / g,粒径不大于约0.05微米,及其制造方法。
    • 8. 发明授权
    • Polymerization initiator composition
    • 聚合引发剂组合物
    • US5834603A
    • 1998-11-10
    • US974139
    • 1997-11-19
    • Tsuneo TsubakimotoToshiyasu SatoHisayuki Suzuki
    • Tsuneo TsubakimotoToshiyasu SatoHisayuki Suzuki
    • C08F4/04
    • C08F4/04
    • A polymerization initiator composition, comprising an azobisamidine salt represented by the general formula (1) ##STR1## wherein R.sup.1 and R.sup.2 independently represent an alkyl group or a cycloalkyl group, providing that R.sup.1 and R.sup.2 may together form an aliphatic ring, and Y represents --C(.dbd.NR.sup.3)--NH--R.sup.4 or a guanyl group represented by the formula (2) ##STR2## wherein R.sup.3 and R.sup.4 independently represent a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, an allyl group, a phenyl group, or a substituted phenyl group, R.sup.5 represents a lower alkylene group optionally containing a substituent group, and R.sup.6 represents a hydrogen atom or a hydroxyalkyl group, and X represents a chlorine atom, a bromine atom, or a CH.sub.3 COO-- group, and a hydrophilic organic compound.
    • 一种聚合引发剂组合物,其包含由通式(1)表示的偶氮二脒盐,其中R 1和R 2独立地表示烷基或环烷基,条件是R 1和R 2可以一起形成脂族环,并且 Y表示-C(= NR 3)-NH-R 4或由式(2)表示的脒基。(2)其中R 3和R 4独立地表示氢原子,烷基,取代的烷基,环烷基 基团,烯丙基,苯基或取代的苯基,R 5表示任选含有取代基的低级亚烷基,R 6表示氢原子或羟烷基,X表示氯原子,溴原子, 或CH 3 COO-基团和亲水性有机化合物。
    • 10. 发明授权
    • Cement with sulfoalkyacrylate polymers
    • 具有磺基烷基丙烯酸酯聚合物的水泥
    • US5137945A
    • 1992-08-11
    • US517802
    • 1990-05-02
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • C04B24/16
    • C04B24/16
    • A cement dispersant having as a main component thereof at least one polymer selected from the group consisting of polymers obtained from (A) 0.1 to 100 mol % of a sulfonic acid type monomer represented by the formula I: ##STR1## wherein R stands for hydrogen atom or methyl group, X stands for hydrogen atom, a monovalent metallic atom, a divalent metallic atom, ammonium group, or an organic amine group, A and B independently stand for an alkylene group of 2 to 4 carbon atoms, m stands for 0 or an integer of the value of 1 to 100, and the alkylene oxide group of 2 to 4 carbon atoms in the portion, (AO).sub.m may be bound in any desired sequence, and (B) 99.9 to 0 mol % of olther monomer copolymerizable with said sulfonic acid type monomer, and polymers obtained by neutralizing said polymers with an alkaline substance, a cement composition containing the dispersant and a method for dispersing a cement.
    • 一种水泥分散剂,其主要成分为至少一种选自(A)0.1〜100摩尔%的由式I表示的磺酸型单体的聚合物:(I)其中R 代表氢原子或甲基,X代表氢原子,一价金属原子,二价金属原子,铵基团或有机胺基团,A和B独立地表示2至4个碳原子的亚烷基,m 代表0或1至100的整数,并且部分(AO)m中的2至4个碳原子的环氧烷基可以以任何所需的顺序结合,(B)99.9至0mol% 可与所述磺酸型单体共聚的醇醚单体和通过用碱性物质中和所述聚合物获得的聚合物,含有分散剂的水泥组合物和分散水泥的方法。