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    • 1. 发明授权
    • Composite film and antistatic composite film comprising a swellable
inorganic silicate
    • 复合薄膜和抗静电复合薄膜,包括可膨胀的无机硅酸盐
    • US4786558A
    • 1988-11-22
    • US9300
    • 1987-01-30
    • Takashi SumiyaKenji YabeTakashi MimuraSatoyuki Minami
    • Takashi SumiyaKenji YabeTakashi MimuraSatoyuki Minami
    • C08J7/04C09D1/00G03C1/85G11B5/73B32B19/02B32B19/04B32B27/14
    • C09D1/00C08J7/047G03C1/85G11B5/7305Y10T428/24967Y10T428/251Y10T428/2911Y10T428/31507Y10T428/31663Y10T428/31721Y10T428/31725Y10T428/31786Y10T428/31855Y10T428/31942Y10T428/31971
    • The present invention relates to a composite film comprising a plastic film and a protective layer which is formed on at least one surface of the film, wherein the protective layer is made of a mixture comprising (a) an inorganic swellable silicate having a layered structure and (b) a compound containing a silanol group at a weight ratio of (a) to (b) of between 1:1000 and 2:1 and an antistatic composite film comprising a plastic film and a coating layer which is formed on at least one surface of the film, wherein said coating layer is made of a mixture comprising (a) a swellable inorganic silicate having a layered structure and containing at least one ion selected from among aliphatic ammonium ions having at most 6 carbon atoms, sodium ion, silver ion and lithium ion as an interlayer ion and (b) at least one member selected from among water-soluble compounds and water-dispersible resins at a weight ratio of (a) to (b) of between 1:1000 and 2:1. These composite films are excellent in electrical characteristics, smoothness, slipperiness, anti-scratching properties, antistatic properties and the like, so that they are suitable for various uses such as electrical insulating material, wrapping material, labels, writable and erasable materials, print lamination film, magnetic recording medium, micro-film or the like.
    • 本发明涉及一种复合膜,其包括塑料膜和形成在膜的至少一个表面上的保护层,其中保护层由以下混合物制成:(a)具有层状结构的无机可溶胀硅酸盐和 (b)含有重量比(a)至(b)为1:1000和2:1的硅烷醇基的化合物和包含塑料膜和涂层的抗静电复合膜,所述抗静电复合膜形成在至少一个 膜的表面,其中所述涂层由以下混合物制成:(a)具有层状结构且含有至少一种选自具有至多6个碳原子的脂族铵离子中的至少一种离子的可溶胀无机硅酸盐,钠离子,银离子 和锂离子作为层间离子,和(b)选自水溶性化合物和水分散性树脂中的至少一种以(a)至(b)的重量比为1:1000至2:1的组分。 这些复合膜的电气特性,光滑性,光滑性,耐刮擦性,抗静电性等优异,因此适用于各种用途,例如电绝缘材料,包装材料,标签,可写和可擦除材料,印刷层压 薄膜,磁记录介质,微膜等。
    • 6. 发明授权
    • Process for producing water absorbent resin
    • 吸水树脂的制造方法
    • US5384368A
    • 1995-01-24
    • US201234
    • 1994-02-24
    • Masashi DateTakashi SumiyaHitoshi Takai
    • Masashi DateTakashi SumiyaHitoshi Takai
    • C08F8/30A61L15/60B01J20/26C08G81/00C08K5/3412C08L101/00
    • B01J20/26A61L15/60
    • The present invention relates to a process for producing water absorbent resin comprising a step of adding a high-molecular crosslinking agent which has at least 2 azetidinium salt groups in the molecule and has at least 1000 weight-average molecular weight to the water absorbent resin paticles having carboxylic groups and carboxylic acid salt groups and a step of efficiently crosslinking the vicinity of the surface of the water absorbent resin particles. In the process for producing water absorbent resin according to the present invention, the use of high-molecular crosslinking agent achieves less permeation of the crosslinking agent into the water absorbent resin particles and enables efficient crosslinking of the vicinity of the surface of the water absorbent resin particles. Consequently, the water absorbent resin having high water absorbency both under pressure-free state and under loading can be manufactured. Because the crosslinking agent contains a large amount of azetidinium salt groups highly reactive to carboxylic acid groups or carboxylic acid salt groups in the molecule, the water absorbent resin having high crosslinking efficiency, good safety, and good flowability can be manufactured.
    • 本发明涉及一种生产吸水性树脂的方法,其包括在分子中加入至少具有2个氮杂环丁烷鎓盐基并且具有至少1000重量平均分子量的高分子交联剂的步骤, 具有羧基和羧酸盐基团以及有效地交联吸水性树脂颗粒表面附近的步骤。 在本发明的吸水性树脂的制造方法中,使用高分子交联剂使交联剂在吸水性树脂粒子中的渗透性降低,能够使吸水性树脂表面附近的高效交联 粒子。 因此,可以制造在无压力状态和负载下都具有高吸水性的吸水性树脂。 由于交联剂含有大量与分子中的羧酸基团或羧酸盐基团反应性高的氮杂环丁烷鎓盐基,所以可以制造交联效率高,安全性好,流动性良好的吸水性树脂。
    • 8. 发明授权
    • Process for producing water-absorbing resins
    • 生产吸水树脂的方法
    • US5380808A
    • 1995-01-10
    • US728294
    • 1991-07-11
    • Takashi SumiyaMasashi DateKenji Tanaka
    • Takashi SumiyaMasashi DateKenji Tanaka
    • C08F2/10C08F220/06
    • C08F220/06C08F2/10C08F222/1006C08F222/385
    • The invention concerns a process for producing water-insoluble water-absorbing resins, which comprises the steps of initiating polymerization of an aqueous solution containing 30 to 80% by weight of (a) a hydrophilic vinyl monomer having a functional group and (b) a crosslinking agent by supplying the aqueous solution together with (c) a polymerization initiator to a polymerizing apparatus capable of heating and/or cooling surfaces in contact with the aqueous solution, subsequently causing constant temperature polymerization of the solution without agitating the same by controlling the temperature of the system being polymerized to 20.degree. to 70.degree. C., and elevating, if necessary, the temperature ok the system to be in excess of 70.degree. C. in a stage with a polymerization percentage of 70% or above before completion of polymerization. Obtainable water-insoluble water-absorbing resins have excellent water-absorbing property and have less water-soluble components. Thus, the water-absorbing resins according to the invention are useful for physiological commodities, paper diapers or like sanitary materials, drip absorbing materials, cold water retainers, dew condensation prevention materials for construction materials and so forth.
    • 本发明涉及一种生产水不溶性吸水树脂的方法,其包括以下步骤:引发含有30至80重量%的(a)具有官能团的亲水乙烯基单体的水溶液的聚合,和(b) 通过将水溶液与(c)聚合引发剂一起供给到能够加热和/或冷却与水溶液接触的表面的聚合装置的交联剂,随后通过控制温度来搅拌溶液的恒温聚合, 的体系聚合至20〜70℃,如果需要,在聚合反应完成前,在70%以上聚合率的阶段,将体系升温至超过70℃ 。 可获得的水不溶性吸水树脂具有优异的吸水性,并且具有较少的水溶性成分。 因此,本发明的吸水性树脂可用于生理用品,纸尿布等卫生材料,滴水吸收材料,冷水保持器,建筑材料的防结露材料等。
    • 9. 发明授权
    • Gelating agent for alkaline cell and alkaline cell
    • 碱性电池和碱性电池的凝胶剂
    • US06667133B1
    • 2003-12-23
    • US09913102
    • 2001-08-09
    • Takashi SumiyaMasami KoikeYukio Zenitani
    • Takashi SumiyaMasami KoikeYukio Zenitani
    • H01M614
    • H01M4/622H01M4/02H01M4/621H01M6/06H01M6/08H01M6/22H01M2300/0014H01M2300/0085
    • A gelating agent for an alkaline cell is a cross-linked polymer (A) comprising (meth)acrylic acid and/or its alkali metal salt as a main constituent monomer unit and obtained by an aqueous solution polymerization or a reversed phase suspension polymerization and satisfies the following required conditions (1), (2). The gelating agent has good draining property, satisfactorily high speed charging property of the alkaline electrolytic solution and is therefore effective to produce cells with little unevenness of the charging amount of the electrolytic solution and having uniform quality by mass production and an alkaline cell using the gelating agent is provided with durable discharge time and remarkably excellent impact resistance for a long duration. The said required conditions are required condition (1); that the gelating agent contains 50% by weight or more of a particle whose swollen particle size becomes 300 to 4,000 &mgr;m when the gelating agent is swollen in an aqueous potassium hydroxide solution of 40% by weight concentration and required condition (2); that the aqueous potassium hydroxide solution of 40% by weight concentration containing 3% by weight of the gelating agent has 0 to 20 mm stringiness.
    • 碱性电池用凝胶剂是含有(甲基)丙烯酸和/或其碱金属盐作为主要构成单体单元并通过水溶液聚合或反相悬浮聚合得到的交联聚合物(A),并且满足 以下条件(1),(2)。 凝胶剂具有良好的排水性能,碱性电解液具有令人满意的高速充电性能,因此有效地生产电解液的充电量不均匀且通过大规模生产具有均匀质量的电池和使用凝胶化的碱性电池 具有耐久的放电时间和长时间显着优异的耐冲击性。 所需条件为条件(1); 当凝胶剂在40重量%浓度的浓度的氢氧化钾水溶液中溶胀并且所需条件(2)时,凝胶剂含有50重量%以上的溶胀粒径为300〜4000μm的颗粒; 含有3重量%凝胶剂的40重量%浓度的氢氧化钾溶液的拉伸强度为0〜20mm。