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    • 4. 发明授权
    • Readily fibrillatable fiber
    • 易纤维纤维
    • US6048641A
    • 2000-04-11
    • US237810
    • 1999-01-27
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • D01F8/02D01F8/10H01M2/16
    • D01F8/10D01F8/02
    • A fiber of sea-islands phase separation wherein the sea component comprises a vinyl alcohol based polymer with high orientation and great crystallinity and the islands component comprises a water-insoluble cellulose based polymer with excellent absorptivity of alkaline solutions, thermal resistance and heat fusion resistance, and wherein the size of the islands is 0.03 to 10 .mu.m and the strength is 3 g/d or more, is readily disintegrated into a fibril of a diameter of 0.05 to 8 .mu.m when a mechanical stress is imposed onto the fiber wet in water. From the fibril with good hydrophilicity, high strength, great particle captivity and excellent reinforcing performance, and additionally with good absorptivity of alkaline solutions and great thermal resistance and heat fusion resistance, none of the fiber components therein is solubilized during fibrillation. Neither a beating process nor a beating solution causes foaming or environmental pollution. The fibril is extremely useful for use in separator sheets for alkaline batteries, reinforcing fibers of cement slate plates, reinforcing fibers of frictional materials and the like.
    • 海岛相分离纤维,其中海组分包含具有高取向和高结晶度的乙烯醇基聚合物,岛组分包括具有优异的碱溶液吸收性,耐热性和耐热熔性的水不溶性纤维素基聚合物, 并且其中岛的尺寸为0.03〜10μm,强度为3g / d以上时,当对纤维进行机械应力湿润时,容易分解成直径为0.05〜8μm的原纤维 水。 从具有良好亲水性,高强度,巨大的颗粒俘获和优异的增强性能的原纤维,另外具有良好的碱溶液吸收性和高耐热性和耐热熔性,其中纤维成分在原纤维化过程中不溶解。 打浆过程和打浆液都不会引起起泡或环境污染。 原纤维非常适用于碱性电池用隔板,水泥板状板的增强纤维,摩擦材料的增强纤维等。
    • 5. 发明授权
    • Separator for a battery comprising a fibrillatable fiber
    • 一种用于包含可原纤化纤维的电池分离器
    • US6124058A
    • 2000-09-26
    • US237809
    • 1999-01-27
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • D01F8/02D01F8/10H01M2/16
    • D01F8/02D01F8/10Y10T428/2924
    • A fiber of sea-islands phase separation wherein the sea component comprises a vinyl alcohol based polymer with high orientation and great crystallinity and the islands component comprises a water-insoluble cellulose based polymer with excellent absorptivity of alkaline solutions, thermal resistance and heat fusion resistance, and wherein the size of the islands is 0.03 to 10 .mu.m and the strength is 3 g/d or more, is readily disintegrated into a fibril of a diameter of 0.05 to 8 .mu.m when a mechanical stress is imposed onto the fiber wet in water.From the fibril with good hydrophilicity, high strength, great particle captivity and excellent reinforcing performance, and additionally with good absorptivity of alkaline solutions and great thermal resistance and heat fusion resistance, none of the fiber components therein is solubilized during fibrillation. Neither a beating process nor a beating solution causes foaming or environmental pollution.The fibril is extremely useful for use in separator sheets for alkaline batteries, reinforcing fibers of cement slate plates, reinforcing fibers of frictional materials and the like.
    • 海岛相分离纤维,其中海组分包含具有高取向和高结晶度的乙烯醇基聚合物,岛组分包括具有优异的碱溶液吸收性,耐热性和耐热熔性的水不溶性纤维素基聚合物, 并且其中岛的尺寸为0.03〜10μm,强度为3g / d以上时,当对纤维进行机械应力湿润时,容易分解成直径为0.05〜8μm的原纤维 水。 从具有良好亲水性,高强度,巨大的颗粒俘获和优异的增强性能的原纤维,另外具有良好的碱溶液吸收性和高耐热性和耐热熔性,其中纤维成分在原纤维化过程中不溶解。 打浆过程和打浆液都不会引起起泡或环境污染。 原纤维非常适用于碱性电池用隔板,水泥板状板的增强纤维,摩擦材料的增强纤维等。
    • 6. 发明授权
    • Flame-retardant polyvinyl alcohol base fiber
    • 阻燃聚乙烯醇基纤维
    • US6066396A
    • 2000-05-23
    • US319239
    • 1999-06-07
    • Shinya InadaMasahiro SatohHayami YoshimochiAkio OhmoryIsao TokunagaAkira KubotsuMasakazu NishiyamaTomoyuki Sano
    • Shinya InadaMasahiro SatohHayami YoshimochiAkio OhmoryIsao TokunagaAkira KubotsuMasakazu NishiyamaTomoyuki Sano
    • D01F1/07D01F6/50D02G3/00B29C47/06D01F6/14
    • D01F6/50D01F1/07Y10T428/2924Y10T428/2929
    • A vinyl-alcohol-based polymer and vinyl-halide-based polymer are dissolved in a common organic solvent for them, a typical example of which is dimethylsulfoxide, to obtain a dope wherein a solution of the vinyl-halide-based polymer having a particle size of 1-50 .mu.m is present in the solution of the vinyl-alcohol-based polymer. This dope is spun into a low temperature solidifying bath comprising a solidifying solvent such as methanol, and the organic solvent. The resultant is subjected to extraction, drying, dry heat drawing, and optional heat shrinking or acetalization to obtain fiber. In the fiber thus obtained, the vinyl-alcohol-based polymer makes sea phases, and the vinyl-halide-based polymer makes island phases whose size is 0.1-3 .mu.m. The crystallinity degree of the vinyl-alcohol-based polymer is 65-85%.The polyvinyl-alcohol-based flame retardant fiber is useful for clothes, industrial materials, living materials and the like. It can be produced at low costs, and has excellent spinning stability and dimensional stability in hot water.
    • PCT No.PCT / JP98 / 04424 Sec。 371日期1999年6月7日 102(e)日期1999年6月7日PCT提交1998年10月1日PCT公布。 公开号WO99 /​​ 18267 日期1999年04月15日乙烯基醇类聚合物和乙烯基卤化物类聚合物溶解在普通的有机溶剂中,其典型的例子是二甲基亚砜,以获得涂料,其中乙烯基卤化物 - 乙烯醇类聚合物的溶液中存在粒径为1-50μm的聚合物。 将该纺丝液纺成包含固化溶剂如甲醇和有机溶剂的低温固化浴。 将所得物进行萃取,干燥,干热拉伸和任选的热收缩或缩醛化以获得纤维。 在由此获得的纤维中,乙烯醇系聚合物形成海相,卤化乙烯基系聚合物形成尺寸为0.1〜3μm的岛相。 乙烯醇系聚合物的结晶度为65〜85%。 聚乙烯醇类阻燃纤维可用于衣服,工业材料,生活材料等。 可以低成本生产,在热水中具有优异的纺丝稳定性和尺寸稳定性。
    • 8. 发明授权
    • Easily fibrillatable fiber
    • 易纤维化纤维
    • US5972501A
    • 1999-10-26
    • US983133
    • 1998-01-20
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • Akio OhmoryHayami YoshimochiTomoyuki SanoSatoru KobayashiSyunpei NaramuraMasahiro Satoh
    • D01F6/14D01D5/36D01F8/02D01F8/10D04H13/02D02G3/00
    • D01F8/10D01F8/02Y10T428/2924Y10T428/2929
    • A fiber of sea-islands phase separation wherein the sea component comprises a vinyl alcohol based polymer with high orientation and great crystallinity and the islands component comprises a water-insoluble cellulose based polymer with excellent absorptivity of alkaline solutions, thermal resistance and heat fusion resistance, and wherein the size of the islands is 0.03 to 10 .mu.m and the strength is 3 g/d or more, is readily disintegrated into a fibril of a diameter of 0.05 to 8 .mu.m when a mechanical stress is imposed onto the fiber wet in water.From the fibril with good hydrophilicity, high strength, great particle captivity and excellent reinforcing performance, and additionally with good absorptivity of alkaline solutions and great thermal resistance and heat fusion resistance, none of the fiber components therein is solubilized during fibrillation. Neither a beating process nor a beating solution causes foaming or environmental pollution.The fibril is extremely useful for use in separator sheets for alkaline batteries, reinforcing fibers of cement slate plates, reinforcing fibers of frictional materials and the like.
    • PCT No.PCT / JP96 / 01322 Sec。 371日期1998年1月20日 102(e)1998年1月20日PCT PCT 1996年5月20日PCT公布。 第WO97 / 44511号公报 日期1997年11月27日海岛相分离纤维,其中海组分包含具有高取向和高结晶度的乙烯醇基聚合物,岛组分包含具有优异的碱溶液吸收性,耐热性的水不溶性纤维素基聚合物 耐热融合性,并且岛的尺寸为0.03〜10μm,强度为3g / d以上时,当施加机械应力时容易分解为直径为0.05〜8μm的原纤维 在水中浸湿纤维。 从具有良好亲水性,高强度,巨大的颗粒俘获和优异的增强性能的原纤维,另外具有良好的碱溶液吸收性和高耐热性和耐热熔性,其中纤维成分在原纤维化过程中不溶解。 打浆过程和打浆液都不会引起起泡或环境污染。 原纤维非常适用于碱性电池用隔板,水泥板状板的增强纤维,摩擦材料的增强纤维等。
    • 9. 发明授权
    • Water soluble polyvinyl alcohol-based fiber
    • 水溶性聚乙烯醇类纤维
    • US5455114A
    • 1995-10-03
    • US282741
    • 1994-07-29
    • Akio OhmoryTomoyuki SanoSyunpei NaramuraSatoru Kobayashi
    • Akio OhmoryTomoyuki SanoSyunpei NaramuraSatoru Kobayashi
    • D01F6/14D02G3/00
    • D02G3/406D01F6/14Y10T428/2913Y10T428/2967
    • The process of the present invention comprises wet spinning or dry-jet-wet spinning a PVA-based polymer soluble in water at not more than 100.degree. C. while using a dope solvent and a solidifying solvent each comprising an organic solvent, wet drawing the solidified filaments, subjecting the drawn filaments to extraction treatment and then drying, and further subjecting the filaments to heat shrinking treatment under multi-stage temperature elevation condition. The water soluble fibers of the present invention obtained by this process, while having a low water dissolution temperature of not more than 100.degree. C., have a markedly small maximum shrinkage in water and has high tensile strength and small ash content. The water soluble fibers of the present invention are suitably used for chemical lace base fabrics and blended yarns with wool or jute.
    • 本发明的方法包括在使用溶剂溶剂和各自包含有机溶剂的固化溶剂的情况下,将溶于水的PVA类聚合物在不超过100℃下进行湿式纺丝或干式喷雾 - 湿式纺丝,湿法拉伸 固化长丝,对所拉伸的长丝进行萃取处理,然后干燥,并进一步对长丝进行多级升温条件下的热收缩处理。 通过该方法获得的本发明的水溶性纤维在水溶解温度低于100℃的同时,在水中的最大收缩率显着小,具有高的拉伸强度和小的灰分含量。 本发明的水溶性纤维适用于化学蕾丝基织物和具有羊毛或黄麻的混纺纱线。