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    • 3. 发明专利
    • Aqueous dispersion of fluorine-containing resin, aqueous composition of fluorine-containing resin, coating material and film
    • 含氟树脂的含水分散体,含氟树脂,涂料和胶片的水性组合物
    • JP2004099774A
    • 2004-04-02
    • JP2002264581
    • 2002-09-10
    • Daikin Ind Ltdダイキン工業株式会社
    • HAYASHI TADAOTOMIHASHI NOBUYUKIMIURA TOSHIRO
    • C08L27/12C08K5/06C08L71/02C09D5/02C09D7/12C09D127/12
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersion of a fluorine-containing resin, having excellent mechanical stability, suitability for recoating and processability without damaging dispersibility and dispersion stability; and to provide an aqueous composition of the fluorine-containing resin.
      SOLUTION: The aqueous dispersion of the fluorine-containing resin comprises a fluoropolymer, an aliphatic polyoxyalkylene ether surfactant (A) and an aliphatic polyoxyalkylene ether surfactant (B). The content of the mass of the solid component of the fluoropolymer is 30-65% based on the total mass of the aqueous dispersing agent of the fluorine-containing resin, and the surface tension of the aliphatic polyoxyalkylene ether surfactant (A) is higher than that of the aliphatic polyoxyalkylene ether surfactant (B). The total mass of the surfactants (A) and (B) is 2-20% based on the mass of the solid component of the fluorine-containing resin. The mass of the surfactant (A) is not less than 50% and less than 100 wt.% of the total mass of the surfactant (A) and (B).
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供具有优异的机械稳定性,重涂适用性和加工性而不损害分散性和分散稳定性的含氟树脂的水性分散体; 并提供含氟树脂的水性组合物。 解决方案:含氟树脂的水分散体包含含氟聚合物,脂族聚氧化烯醚表面活性剂(A)和脂族聚氧化烯醚表面活性剂(B)。 含氟聚合物的固体成分的质量含量相对于含氟树脂的水性分散剂的总质量为30〜65%,脂肪族聚氧化烯系表面活性剂(A)的表面张力高于 脂肪族聚氧化烯表面活性剂(B)。 基于含氟树脂的固体成分的质量,表面活性剂(A)和(B)的总质量为2-20%。 表面活性剂(A)的质量不小于表面活性剂(A)和(B)的总质量的50%且小于100重量%。 版权所有(C)2004,JPO
    • 4. 发明专利
    • Aqueous fluoropolymer dispersion
    • 水性氟聚合物分散体
    • JP2009057392A
    • 2009-03-19
    • JP2005380421
    • 2005-12-28
    • Daikin Ind Ltdダイキン工業株式会社
    • SAWAUCHI CHIETSUDA NOBUHIKOMIURA TOSHIRO
    • C08L27/12
    • C09D127/18C08L71/02C08L2666/14
    • PROBLEM TO BE SOLVED: To provide an aqueous fluoropolymer dispersion excellent in foaming suppression without largely impairing mechanical stability and viscosity rise suppression.
      SOLUTION: In this aqueous fluoropolymer dispersion wherein particles each made of a fluoropolymer are dispersed in an aqueous medium under presence of a specific nonionic surfactant, the specific nonionic surfactant comprises a compound wherein average total content of a hydrophilic group is 45-90 mass%, a hydrocarbon group of the compound constituting the specific nonionic surfactant is only continuously adjacent 1-5C hydrocarbon group, and fluorine-containing surfactant concentration of the aqueous fluoropolymer dispersion is equal to or less than an amount corresponding to 500 ppm of a solid content of the fluoropolymer.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供发泡抑制性优异的含氟聚合物水分散性分散体,而不会大大削弱机械稳定性和粘度上升抑制。 解决方案:在这种含氟聚合物水分散体中,其中由含氟聚合物制成的颗粒在特定的非离子表面活性剂存在下分散在水性介质中,特定的非离子表面活性剂包括其中亲水基团的平均总含量为45-90 质量%,构成特定非离子表面活性剂的化合物的烃基仅连续相邻1-5C烃基,含氟聚合物水分散体的含氟表面活性剂浓度等于或小于对应于500ppm固体的量 含氟聚合物的含量。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Polytetrafluoroethylene aqueous dispersion composition, polytetrafluoroethylene resin film and polytetrafluoroethylene resin impregnated material
    • 聚四氟乙烯水性分散组合物,聚四氟乙烯树脂薄膜和聚偏氟乙烯树脂印花材料
    • JP2006117900A
    • 2006-05-11
    • JP2005006491
    • 2005-01-13
    • Daikin Ind Ltdダイキン工業株式会社
    • NAKATANI YASUTOSHIMIURA TOSHIROSAWADA MATAHIKO
    • C08L27/18B05D7/24C08L71/02
    • PROBLEM TO BE SOLVED: To provide a PTFE (polytetrafluoroethylene) aqueous dispersion composition having an extremely large crack limit membrane thickness and forming a thick film even by coating or impregnation at a time.
      SOLUTION: The PTFE [polytetrafluoroethylene] aqueous dispersion composition comprises PTFE resin particles (A) and a polyoxyalkylene alkyl ether compound (B). The PTFE aqueous dispersion composition is characterized as follows. The PTFE aqueous dispersion composition has ≤0.1 Pa s viscosity at 30-70 mass% PTFE resin solid concentration and 25°C. The amount of the polyoxyalkylene alkyl ether compound (B) is >12 pts.mass to ≤20 pts.mass based on 100 pts.mass of PTFE resin solid content. The PTFE resin constituting the PTFE resin particles (A) is a resin composed of the tetrafluoroethylene homopolymer.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有非常大的裂纹极限膜厚度的PTFE(聚四氟乙烯)水分散体组合物,并且通过一次涂布或浸渍形成厚膜。 解决方案:PTFE [聚四氟乙烯]水分散体组合物包含PTFE树脂颗粒(A)和聚氧化烯烷基醚化合物(B)。 PTFE水性分散体组合物的特征如下。 PTFE水分散体组合物在30-70质量%的PTFE树脂固体浓度和25℃下具有≤0.1Pa的粘度。 聚氧化烯烷基醚化合物(B)的量基于100个聚四氟乙烯树脂固体含量为大于12重量%〜≤20重量份。 构成PTFE树脂粒子(A)的PTFE树脂是由四氟乙烯均聚物构成的树脂。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Polytetrafluoroethylene aqueous dispersion composition, polytetrafluoroethylene membranous material and roofing material
    • 聚四氟乙烯水性沥青组合物,聚四氟乙烯薄膜材料和屋面材料
    • JP2006117898A
    • 2006-05-11
    • JP2004376432
    • 2004-12-27
    • Daikin Ind Ltdダイキン工業株式会社
    • NAKATANI YASUTOSHIMIURA TOSHIROSAWADA MATAHIKO
    • C08F14/26C08F2/22C08J5/04C08L27/18E04H15/54
    • PROBLEM TO BE SOLVED: To provide a polytetrafluoroethylene aqueous dispersion composition suitable as a material for a membranous material, to provide the polytetrafluoroethylene membranous material having excellent light transmittance and to provide a roofing material composed of the polytetrafluoroethylene membranous material.
      SOLUTION: The polytetrafluoroethylene aqueous dispersion composition is obtained by dispersing fluoropolymer particles composed of tetrafluoroethylene homopolymer and/or a modified polytetrafluoroethylene in an aqueous medium. The polytetrafluoroethylene aqueous dispersion composition is characterized in that α calculated from formula (Ia) α=10/ln(I
      0 /I) is ≥260 when the intensity of the incident light for the polytetrafluoroethylene membranous material without containing a substrate is I
      0 ; the intensity of transmitted light is I and the thickness of the membranous material is 10 μm.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供适合作为膜材料的聚四氟乙烯水分散体组合物,以提供具有优异透光性的聚四氟乙烯膜材料,并提供由聚四氟乙烯膜材料构成的屋顶材料。 解决方案:聚四氟乙烯水分散体组合物通过将由四氟乙烯均聚物和/或改性聚四氟乙烯构成的含氟聚合物颗粒分散在水性介质中而获得。 聚四氟乙烯水性分散体组合物的特征在于,当不具有聚四氟乙烯膜材料的入射光强度时,由式(Ia)α= 10 / ln(I 0 / SB> / I)计算的α≥260 含有基材是I 0 ; 透光强度为I,膜质的厚度为10μm。 版权所有(C)2006,JPO&NCIPI