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    • 2. 发明申请
    • RESIN COMPOSITION AND MOLDED ARTICLE THEREOF
    • 树脂组合物及其成型品
    • US20130131270A1
    • 2013-05-23
    • US13813046
    • 2011-07-28
    • Mitsuo ShibutaniKaoru InoueNorihito Sakai
    • Mitsuo ShibutaniKaoru InoueNorihito Sakai
    • C08L29/04
    • C08L29/04C08L51/08C08L53/02C08L2205/03C08L53/025C08L87/005C08L77/00
    • There is provided a resin composition affording a melt-molded article having excellent gas barrier properties and flex crack resistance. The present invention relates to a resin composition comprising a polyvinyl alcohol resin (A) having a 1,2-diol structural unit represented by the following general formula (1), a styrene-based thermoplastic elastomer (B), and a polyamide graft block copolymer (C) containing a polymer block of an aromatic vinyl compound and a polymer block of an olefinic compound in a main chain and having a graft chain composed of a polyamide: wherein each of R1, R2, and R3 independently represents a hydrogen atom or an organic group, X represents a single bond or a linking chain, and each of R4, R5, and R6 independently represents a hydrogen atom or an organic group.
    • 提供了提供具有优异的阻气性和抗开裂性的熔融模制品的树脂组合物。 本发明涉及一种树脂组合物,其包含具有由以下通式(1)表示的1,2-二醇结构单元的聚乙烯醇树脂(A),苯乙烯类热塑性弹性体(B)和聚酰胺接枝嵌段 共聚物(C),其包含芳族乙烯基化合物的聚合物嵌段和主链中的烯属化合物的聚合物嵌段,并且具有由聚酰胺构成的接枝链:其中R 1,R 2和R 3各自独立地表示氢原子或 有机基团,X表示单键或连接链,R 4,R 5和R 6各自独立地表示氢原子或有机基团。
    • 6. 发明授权
    • Aqueous emulsion and use thereof
    • 水乳液及其用途
    • US07491766B2
    • 2009-02-17
    • US11081360
    • 2005-03-04
    • Mitsuo ShibutaniKiyoharu KitamuraKinji TakiMasaaki Yamada
    • Mitsuo ShibutaniKiyoharu KitamuraKinji TakiMasaaki Yamada
    • C08K3/20C08F16/26
    • C08F263/00C08F261/04C08L29/04C08L33/00C08L51/003C08L2666/02C09J151/003C08L2666/04
    • The present invention provides an aqueous emulsion having excellent polymerization stability and standing stability and a redispersible powder. Specifically, the present invention relates to an aqueous emulsion of a polymer obtained by polymerizing an acrylic monomer in the presence of a polyvinyl alcohol containing an acetoacetic ester group; wherein the polyvinyl alcohol containing an acetoacetic ester group has block character [η] of 0.3 to 0.6, hydrolysis degree of at least 97% by mol and acetoacetic esterification degree of 0.01 to 1.5% by mol, and the value obtained by dividing the maximum value by the minimum value of the respective average acetoacetic esterification degree for each of the polyvinyl alcohol containing an acetoacetic ester group separated by particle size of 44 to 74, 74 to 105, 105 to 177, 177 to 297, 297 to 500 and 500 to 1680 μm is 1.0 to 3.0. Also, the present invention relates to a redispersible fiber obtained by drying the aqueous emulsion.
    • 本发明提供了具有优异的聚合稳定性和稳定性的水性乳液和可再分散的粉末。 具体地说,本发明涉及通过在含有乙酰乙酸酯基的聚乙烯醇存在下聚合丙烯酸类单体获得的聚合物的水性乳液; 其中含有乙酰乙酸酯基的聚乙烯醇的嵌段特性η为0.3〜0.6,水解度为97摩尔%以上,乙酰乙酸酯化度为0.01〜1.5摩尔%,通过除去最大值 通过分别由44〜74,74〜105,105〜177,177〜297,297〜500和500〜1680分隔的含有乙酰乙酸酯基的各聚乙烯醇的各自的平均乙酰乙酸酯化度的最小值 妈妈是1.0到3.0。 此外,本发明涉及通过干燥水性乳液获得的可再分散纤维。
    • 7. 发明授权
    • Production method of vinyl resin
    • 乙烯基树脂的生产方法
    • US06613853B1
    • 2003-09-02
    • US09696495
    • 2000-10-25
    • Mitsuo Shibutani
    • Mitsuo Shibutani
    • C08F220
    • C08F2/20
    • A production method of a vinyl resin, which comprises subjecting a vinyl compound to suspension polymerization in a polymerization tank equipped with a reflux condenser in the presence of a dispersion stabilizer, wherein a polyvinyl alcohol resin (A) having a degree of hydrolysis of not less than 65 mol %, a polymerization degree of not less than 700 and satisfying the following formula (1) 0.0300≦(3−Y)/X
    • 一种乙烯基树脂的制造方法,其特征在于,在分散稳定剂的存在下,在配备有回流冷凝器的聚合槽中使乙烯基化合物进行悬浮聚合,其中,水解度为聚乙烯醇树脂(A) 65摩尔%,聚合度不低于700,满足下式(1)其中X为水解度(摩尔%),Y为碘吸收度,以聚合转化率 乙烯基化合物不低于30%。 本发明的乙烯基树脂的制造方法提供了具有高堆积密度的乙烯基树脂,其表现出优异的消泡效果以抑制在中间和后期聚合期间产生的干燥泡沫。
    • 9. 发明授权
    • Polyvinyl alcohol-based film for optical use, polarizing film, and polarizing plate
    • 用于光学用的聚乙烯醇基膜,偏振膜和偏振片
    • US08772400B2
    • 2014-07-08
    • US12309657
    • 2006-07-27
    • Shuichi KitamuraKatsuhiko KatsumaMitsuo ShibutaniToshihiro Shimizu
    • Shuichi KitamuraKatsuhiko KatsumaMitsuo ShibutaniToshihiro Shimizu
    • C08L29/04
    • G02B5/3033C08J5/18C08J2329/04C08L29/04C08L2205/02C08L2666/04
    • The present invention provides a polyvinyl alcohol-based film for optical uses, which is excellent in stretching property and is used for producing a polarizing film excellent in polarization performance throughout the visible light wavelength range, particularly in the vicinity of the wavelength of 460 nm. The invention relates to a polyvinyl alcohol-based film for optical uses comprising a polyvinyl alcohol-based resin, wherein the polyvinyl alcohol-based resin is composed of only a polyvinyl alcohol-based resin (A) containing a 1,2-glycol bond at a side chain and the amount of the 1,2-glycol bond at a side chain is from 0.01 to 6% by mol, or a polyvinyl alcohol-based film for optical uses comprising a polyvinyl alcohol-based resin, wherein the polyvinyl alcohol-based resin includes a polyvinyl alcohol-based resin (A) containing a 1,2-glycol bond at a side chain and a polyvinyl alcohol-based resin (B) other than the polyvinyl alcohol-based resin (A) and satisfies the following expression (1): 0.01≦A×G/(A+B)≦6  (1) wherein A represents a content ratio (weight ratio) of the polyvinyl alcohol-based resin (A) based on a total amount of the polyvinyl alcohol-based resin (A) and the polyvinyl alcohol-based resin (B), B represents a content ratio (weight ratio) of the polyvinyl alcohol-based resin (B) based on the above total amount, and G represents an amount (% by mol) of the 1,2-glycol bond at a side chain.
    • 本发明提供一种拉伸性优异的聚乙烯醇系的光学用薄膜,特别是在波长460nm附近,可用于制造偏光性能优异的偏光性能优异的偏光膜。 本发明涉及包含聚乙烯醇类树脂的光学用聚乙烯醇系膜,其中,聚乙烯醇类树脂仅由含有1,2-二醇键的聚乙烯醇系树脂(A)构成, 侧链,侧链上的1,2-二醇键的量为0.01〜6摩尔%,或者是含有聚乙烯醇类树脂的光学用聚乙烯醇类膜,其中,聚乙烯醇 - 基于树脂的树脂包括侧链上含有1,2-二醇键的聚乙烯醇系树脂(A)和聚乙烯醇系树脂(A)以外的聚乙烯醇系树脂(B),满足下式 (1):0.01≦̸ A×G /(A + B)≦̸ 6(1)其中A表示聚乙烯醇类树脂(A)的含量比(重量比) 醇系树脂(A)和聚乙烯醇系树脂(B),B表示聚乙烯醇的含量比(重量比) 基于上述总量的苯乙烯类树脂(B),G表示侧链上的1,2-二醇键的量(摩尔%)。