公开(公告)号：US5110856A

公开(公告)日：1992-05-05

申请号：US761137

申请日：1991-09-17

申请人： Takeo Oyamada ,  Yoshito Taira ,  Masayoshi Nitta ,  Yasuo Kaneshima ,  Tateshi Kurino ,  Shizuo Narisawa

发明人： Takeo Oyamada ,  Yoshito Taira ,  Masayoshi Nitta ,  Yasuo Kaneshima ,  Tateshi Kurino ,  Shizuo Narisawa

IPC分类号： C08F2/16 ,  C08F2/22 ,  C08F218/02 ,  C08F218/08 ,  C08L29/04 ,  C08L31/04 ,  C09J131/04

CPC分类号： C08L31/04 ,  C08F218/08 ,  C09J131/04 ,  C08L2201/50 ,  C08L2201/52 ,  C08L29/04

摘要： A vinyl acetate-ethylene copolymer emulsion is disclosed, comprising a vinyl acetate-ethylene copolymer composed of from 10 to 40% by weight of an ethylene unit and from 90 to 60% by weight of a vinyl acetate unit and an emulsifying dispersant in an amount of from 2.5 parts by weight or more but less than 5.0 parts by weight per 100 parts by weight of the vinyl acetate unit, and having a mean particle size of not larger than 0.9 .mu.m and a solids content of from 65 to 75% by weight, wherein the emulsifying dispersant contains from 1.0 to 1.9 parts by weight of partially saponified polyvinyl alcohol prepared so as to have an average polymerization degree of from 300 to 1,000 and from 1.0 to 3.0 parts by weight of a polyoxyethylene nonionic surface active agent having an HLB of from 16.5 to 17.5 per 100 parts by weight of the vinyl acetate unit. A process for producing the vinyl acetate-ethylene copolymer is also disclosed.

公开(公告)号：US5070134A

公开(公告)日：1991-12-03

申请号：US486453

申请日：1990-02-28

申请人： Takeo Oyamada ,  Yoshito Taira ,  Masayoshi Nitta ,  Yasuo Kaneshima ,  Tateshi Kurino ,  Shizuo Narisawa

发明人： Takeo Oyamada ,  Yoshito Taira ,  Masayoshi Nitta ,  Yasuo Kaneshima ,  Tateshi Kurino ,  Shizuo Narisawa

IPC分类号： C08F2/16 ,  C08F2/22 ,  C08F218/02 ,  C08F218/08 ,  C08L29/04 ,  C08L31/04 ,  C09J131/04

CPC分类号： C08L31/04 ,  C08F218/08 ,  C09J131/04 ,  C08L2201/50 ,  C08L2201/52 ,  C08L29/04

摘要： A vinyl acetate-ethylene copolymer emulsion is disclosed, comprising a vinyl acetate-ethylene copolymer composed of from 10 to 40% by weight of an ethylene unit and from 90 to 60% by weight of a vinyl acetate unit and an emulsifying dispersant in an amount of from 2.5 parts by weight or more but less than 5.0 parts by weight per 100 parts by weight of the vinyl acetate unit, and having a mean particle size of not larger than 0.9 .mu.m and a solids content of from 65 to 75% by weight, wherein the emulsifying dispersant contains from 1.0 to 1.9 parts by weight of partially saponified polyvinyl alcohol prepared so as to have an average polymerization degree of from 300 to 1,000 and from 1.0 to 3.0 parts by weight of a polyoxyethylene nonionic surface active agent having an HLB of from 16.5 to 17.5 per 100 parts by weight of the vinyl acetate unit. A process for producing the vinyl acetate-ethylene copolymer is also disclosed.

公开(公告)号：US4094849A

公开(公告)日：1978-06-13

申请号：US736100

申请日：1976-10-27

申请人： Takeo Oyamada ,  Kazuhisa Satoh ,  Shinobu Tsuru ,  Masahiro Domoto ,  Shizuo Narisawa

发明人： Takeo Oyamada ,  Kazuhisa Satoh ,  Shinobu Tsuru ,  Masahiro Domoto ,  Shizuo Narisawa

IPC分类号： C08L23/00 ,  C08F2/00 ,  C08F2/16 ,  C08F2/22 ,  C08F4/00 ,  C08F4/40 ,  C08F10/00 ,  C08F210/00 ,  C08F210/02 ,  C08F218/00 ,  C08F218/02 ,  C08F218/08 ,  C08L1/00 ,  C08L27/00 ,  C08L31/04 ,  C08L33/00 ,  C08L33/02 ,  C08L101/00 ,  C08L31/00

CPC分类号： C08F218/08 ,  C08F210/02

摘要： A process for producing an aqueous dispersion of ethylene-vinyl acetate copolymer containing no formalin by emulsion-polymerizng ethylene and vinyl acetate and optionally other copolymerizable vinyl monomers in the presence of a redox catalyst consisting of an oxidizing agent and a reducing agent, which is characterized in that a reaction product of a glyoxal compound and an alkali metal, ammonium or zinc salt of a reductive sulfur oxide is used as the reducing agent for the redox catalyst, in which process the polymerization temperature is easily controlled.

摘要翻译： 在由氧化剂和还原剂组成的氧化还原催化剂的存在下，通过乳液聚合乙烯和乙酸乙烯酯以及任选的其它可共聚的乙烯基单体制备不含福尔马林的乙烯 - 乙酸乙烯酯共聚物的水分散体的方法，其特征在于 使用还原性硫氧化物的乙二醛化合物和碱金属，铵盐或锌盐的反应产物作为氧化还原催化剂的还原剂，其中聚合温度容易控制。

公开(公告)号：US4299941A

公开(公告)日：1981-11-10

申请号：US078138

申请日：1979-09-24

申请人： Shizuo Narisawa ,  Takeo Oyamada

发明人： Shizuo Narisawa ,  Takeo Oyamada

IPC分类号： C08F2/38 ,  C08F214/06 ,  C08F218/08 ,  C08F222/28 ,  C08F222/26

CPC分类号： C08F214/06 ,  C08F218/08 ,  Y10S526/922

摘要： An improved process for producing an aqueous emulsion of a vinyl chloride/vinyl ester/ethylene copolymer having a small heat fluidity and excellent strength which comprises continuously adding a solution of a specific polybasic acid polyallyl ester in the vinyl chloride and/or vinyl ester and further at least 60% by weight of the vinyl chloride and vinyl ester to the polymerization system during the polymerization reaction. The copolymer thus produced has a large benzene-insoluble part and the aqueous emulsion thereof is stable and is useful as an adhesive, as for paint compositions, or as a binder for fibers and papers.

摘要翻译： 一种制备具有小热流动性和优异强度的氯乙烯/乙烯基酯/乙烯共聚物的水乳液的改进方法，其包括在氯乙烯和/或乙烯基酯中连续加入特定多元酸聚烯丙酯的溶液，并进一步 在聚合反应期间至少60重量％的氯乙烯和乙烯基酯与聚合体系。 由此制得的共聚物具有大的不溶于苯的部分，其水性乳液是稳定的，可用作涂料组合物的粘合剂，或用作纤维和纸的粘合剂。

公开(公告)号：US4128518A

公开(公告)日：1978-12-05

申请号：US789293

申请日：1977-04-20

申请人： Takeo Oyamada ,  Choji Tomizawa ,  Masahiro Domoto ,  Shizuo Narisawa

发明人： Takeo Oyamada ,  Choji Tomizawa ,  Masahiro Domoto ,  Shizuo Narisawa

IPC分类号： C08L23/00 ,  C08F218/00 ,  C08F218/02 ,  C08F218/08 ,  C08J3/02 ,  C08L31/04 ,  C08L71/02 ,  C09J131/04 ,  C08L23/04

CPC分类号： C08F218/08 ,  C09J131/04 ,  C08L71/02 ,  C09J2201/606 ,  Y10T428/31938

摘要： A pressure-sensitive adhesive containing a base material therefore comprising an aqueous emulsion of vinyl acetate-ethylene copolymer having an ethylene content of 15 to 40% by weight, preferably 20 to 35% by weight, the benzene-insoluble part of less than 30% by weight, preferably less than 20% by weight, and an intrinsic viscosity of the benzene-soluble part of 0.4 to 1.4 dl/g, preferably 0.6 to 1.0 dl/g, (at 30.degree. C) which is prepared by the emulsion copolymerization of vinyl acetate and ethylene and optionally at least one unsaturated monovinyl monomer in the presence of a protective colloid and a polyoxyethylenic nonionic sulfactant, or a base material comprising a blend of said aqueous emulsion of vinyl acetate-ethylene copolymer as set forth above and an emulsion of an acrylic ester copolymer; and the aqueous emulsion of vinyl acetate-ethylene copolymer useful as the base material for the pressure-sensitive adhesive.

摘要翻译： 因此，含有基材的压敏粘合剂包括乙烯含量为15〜40重量％，优选为20〜35重量％的乙酸乙烯酯 - 乙烯共聚物的水性乳液，不溶于苯的部分为30％ ，优选小于20重量％，苯可溶部分的特性粘度为0.4〜1.4dl / g，优选为0.6〜1.0dl / g（30℃），其通过乳液共聚制备 的乙酸乙烯酯和乙烯和任选的至少一种不饱和单乙烯基单体在保护胶体和聚氧乙烯非离子表面活性剂的存在下，或包含上述乙酸乙烯酯 - 乙烯共聚物的水乳液和乳液的共混物的基材 的丙烯酸酯共聚物; 以及可用作压敏粘合剂基材的乙酸乙烯酯 - 乙烯共聚物的水性乳液。

公开(公告)号：US4847143A

公开(公告)日：1989-07-11

申请号：US870479

申请日：1986-06-04

申请人： Katsuyoshi Watanabe ,  Takashi Miyaoka ,  Takeo Oyamada

发明人： Katsuyoshi Watanabe ,  Takashi Miyaoka ,  Takeo Oyamada

IPC分类号： C08L31/04 ,  C09D123/08 ,  D04H1/64 ,  D06M15/29 ,  D06M15/423 ,  D21H17/37

CPC分类号： D21H17/375 ,  C08L31/04 ,  C09D123/08 ,  D04H1/587 ,  D04H1/64 ,  D06M15/29 ,  D06M15/423 ,  Y10T428/31873 ,  Y10T428/31891 ,  Y10T428/31906 ,  Y10T428/31953 ,  Y10T428/31964 ,  Y10T442/2246 ,  Y10T442/2566 ,  Y10T442/60 ,  Y10T442/652

摘要： A binder composition is disclosed, which comprises:(A) a copolymer emulsion which contains as its essential ingredients vinyl acetate, ethylene, and a monomer represented by the formula (1): ##STR1## wherein R.sub.1 is H or CH.sub.3 ; and R.sub.2 is H or an alkyl group having not more than 5 carbon atoms, the proportions of the respective ingredients being within the range of 55-96.5/3-40/0.5-5 on a weight basis;(B) a formaldehyde-free nitrogen-containing glyoxal resin;(C) a metal salt catalyst; and optionally(D) a higher alcohol sulfuric acid ester-based surfactant.Nonwoven fabrics and impregnated papers using the binder composition are also disclosed. The binder composition exhibits not only high resistance to water and solvents but also low residual free formaldehyde level, with an improvement in foamability being optionally attainable.

摘要翻译： 公开了一种粘合剂组合物，其包含：（A）含有作为其主要成分的乙酸乙烯酯，乙烯和由式（1）表示的单体的共聚物乳液：其中R1是H或CH3; R2为H或碳原子数为5以下的烷基，各成分的比例为55〜96.5 / 3-40 / 0.5-5的重量比; （B）不含甲醛的含氮乙二醛树脂; （C）金属盐催化剂; 和（D）高级醇硫酸酯类表面活性剂。 还公开了使用粘合剂组合物的无纺织物和浸渍纸。 粘合剂组合物不仅具有高的耐水性和溶剂性，而且表现出低的残留游离甲醛含量，并且任选地可获得发泡性的改善。

公开(公告)号：US3984496A

公开(公告)日：1976-10-05

申请号：US521086

申请日：1974-11-05

申请人： Masayoshi Morimoto ,  Tetsutaro Sanjiki ,  Hideki Horiike ,  Takeo Oyamada

发明人： Masayoshi Morimoto ,  Tetsutaro Sanjiki ,  Hideki Horiike ,  Takeo Oyamada

IPC分类号： C08F255/02 ,  C08F255/04 ,  C08F255/06

CPC分类号： C08F255/02

摘要： A binary or ternary graft-copolymer excellent in both tensile strength and impact resistance is obtained by the process for producing a binary or ternary graft-copolymer consisting essentially of an ethylene-propylene rubber and an aromatic vinyl compound or of an ethylene-propylene rubber, an aromatic vinyl compound, and a vinyl cyanide compound, characterized by subjecting these materials to solution polymerization in a mixed solvent comprising an aliphatic hydrocarbon solvent capable of dissolving the ethylene-propylene rubber and a polar solvent capable of dissolving a poly-(aromatic vinyl compound) or a copolymer of the aromatic vinyl compound and the vinyl cyanide compound.

摘要翻译： 通过生产基本上由乙丙橡胶和芳族乙烯基化合物或乙丙橡胶组成的二元或三元接枝共聚物的方法，可获得拉伸强度和抗冲击性均优异的二元或三元接枝共聚物， 芳族乙烯基化合物和乙烯基氰化合物，其特征在于将这些材料在包含能够溶解乙丙橡胶的脂族烃溶剂和能够溶解聚（芳族乙烯基化合物）的极性溶剂的混合溶剂中进行溶液聚合 ）或芳香族乙烯基化合物与乙烯基氰化合物的共聚物。

公开(公告)号：US3954724A

公开(公告)日：1976-05-04

申请号：US559379

申请日：1975-03-17

申请人： Seizo Nakashio ,  Kozo Tsuji ,  Nobuhiro Toyota ,  Fumio Fukita ,  Takeo Oyamada

发明人： Seizo Nakashio ,  Kozo Tsuji ,  Nobuhiro Toyota ,  Fumio Fukita ,  Takeo Oyamada

IPC分类号： C08L5/00 ,  B01F17/56 ,  C08F2/00 ,  C08F2/20 ,  C08F2/22 ,  C08F2/26 ,  C08F2/30 ,  C08J3/02 ,  C08L1/00 ,  C08L27/00 ,  C09J11/06 ,  D21H17/24 ,  C08F36/00

CPC分类号： D21H17/24 ,  C08F2/26

摘要： A process for preparing an aqueous dispersion of high polymer, characterized by using pullulan as a dispersant.The aqueous high polymer dispersion obtained by the above-mentioned process is not only high in stability but also so excellent in practical properties as to be usable for the processing of fibers or papers.

摘要翻译： 一种制备高聚物水分散体的方法，其特征在于使用支链淀粉作为分散剂。

公开(公告)号：US4123405A

公开(公告)日：1978-10-31

申请号：US805029

申请日：1977-06-09

申请人： Takeo Oyamada ,  Kazuhisa Satoh ,  Choji Tomizawa ,  Takamasa Ishihara

发明人： Takeo Oyamada ,  Kazuhisa Satoh ,  Choji Tomizawa ,  Takamasa Ishihara

IPC分类号： C08F214/00 ,  C08F2/00 ,  C08F2/22 ,  C08F6/00 ,  C08F6/06 ,  C08F14/00 ,  C08F210/00 ,  C08F214/06 ,  C08F218/00 ,  C08F218/02 ,  C08F218/08 ,  C08F291/00 ,  C08L33/00

CPC分类号： C08F214/06 ,  C08F291/00

摘要： In the process for producing the aqueous emulsion of vinyl chloride/vinyl acetate/ethylene terpolymer by polymerizing vinyl chloride, vinyl acetate and ethylene in an aqueous dispersion system under ethylene pressure in the presence of an emulsifier and/or protective colloid using a radical initiator, the improvement which comprises adding vinyl chloride and vinyl acetate to said aqueous dispersion system at substantially fixed rates while maintaining a required amount of unreacted vinyl acetate in the system, and, after completion of addition of vinyl chloride, adding additional vinyl acetate of 3 to 20% by weight based on the total amount of vinyl acetate which has been added until that time and continuing the polymerization until the concentration of vinyl acetate in the system is decreased to 1% by weight or less, wherein the volume of the aqueous dispersion system is at least 50% by volume based on the volume of the reactor when addition of the additional vinyl acetate is completed. By this process, the amount of unreacted vinyl chloride in said aqueous emulsion can be decreased to a large extent.

摘要翻译： 在使用自由基引发剂的乳化剂和/或保护胶体的存在下，在乙烯压力下，在水分散系统中聚合氯乙烯，乙酸乙烯酯和乙烯的氯乙烯/乙酸乙烯酯/乙烯三元共聚物的水性乳液的制备方法中， 其改进包括以基本上固定的速率将氯乙烯和乙酸乙烯酯加入到所述水性分散体系中，同时在系统中保持所需量的未反应的乙酸乙烯酯，并且在完成加入氯乙烯之后，加入3至20的另外的乙酸乙烯酯 基于在该时间之前加入的乙酸乙烯酯的总量，继续聚合直到体系中乙酸乙烯酯的浓度降至1重量％以下为止，其中水分散体系的体积为 当添加额外的乙酸乙烯酯完全时，基于反应器体积的至少50体积％ d。 通过该方法，可以在很大程度上降低所述水性乳液中未反应的氯乙烯的量。

公开(公告)号：US4108819A

公开(公告)日：1978-08-22

申请号：US790062

申请日：1977-04-22

申请人： Takeo Oyamada ,  Shinobu Tsuru ,  Choji Tomizawa ,  Yoshito Taira

发明人： Takeo Oyamada ,  Shinobu Tsuru ,  Choji Tomizawa ,  Yoshito Taira

IPC分类号： C08L63/00 ,  C09J131/04 ,  C08L63/10 ,  C08L31/02

CPC分类号： C08L63/00 ,  C09J131/04

摘要： A process for producing an aqueous dispersion of vinyl acetate-ethylene copolymer containing an epoxide resin, which comprises emulsion-copolymerizing vinyl acetate, wherein an epoxide resin is dissolved, and ethylene at a pH value of 3 to 7 so that the ratio of vinyl acetate to ethylene is 60-95 : 40-5 by weight and the content of the epoxide resin is 0.5 to 60% by weight on the basis of the total weight of the solid resin components. The aqueous dispersion is useful as a two-pack type adhesive or coating composition in combination with a curing agent.

摘要翻译： 制备含有环氧树脂的乙酸乙烯酯 - 乙烯共聚物的水性分散体的方法，其包括溶解环氧化物树脂的乙酸乙烯酯的乳液共聚和pH为3至7的乙烯，使得乙酸乙烯酯的比例 至乙烯为60-95:40-5（重量），环氧树脂的含量为固体树脂成分总重量的0.5〜60重量％。 水性分散体可用作与固化剂组合的双组分型粘合剂或涂料组合物。