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    • 2. 发明专利
    • Organic fiber fibrid, sheet material using the same, and sound absorbing structural material in which the sheet material is arranged
    • 有机纤维纤维,使用该材料的材料,以及材料安全的声音吸收结构材料
    • JP2012233266A
    • 2012-11-29
    • JP2011100377
    • 2011-04-28
    • Teijin Techno Products Ltd帝人テクノプロダクツ株式会社
    • INAGAKI YOSHIE
    • D01F6/60D21H13/26
    • PROBLEM TO BE SOLVED: To provide a sound absorbing material that is excellent in heat resistance and fire retardancy.SOLUTION: There is provided an organic fiber fibrid including an amorphous water-containing molded material containing inorganic fine particles that is obtained by incorporating a mixture liquid in which inorganic fine particles are added in a solution in which a high molecular weight polymer including para-type whole aromatic polyamide or meth-type whole aromatic polyamide is dissolved in a polarity amide solvent selected from N-methyl-2-pyrrolidone, N,N'-dimethyl formamide, N,N'-dimethyl acetamide or tetramethylurea, and mixtures thereof in an amount of 10-90 wt.% with respect to the high molecular weight polymer in an aqueous coagulation liquid. There are also provided a sheet material including the organic fiber fibrid and a sound absorbing structural material in which the sheet material is arranged.
    • 要解决的问题:提供耐热性和阻燃性优异的吸音材料。 解决方案:提供一种有机纤维纤维素,其包括含无机细颗粒的无定形含水成型材料,所述无机细颗粒通过将无机细颗粒加入其中的混合液体而获得,所述混合液体在包含 将全芳族聚酰胺或甲基全芳香族聚酰胺溶解在选自N-甲基-2-吡咯烷酮,N,N'-二甲基甲酰胺,N,N'-二甲基乙酰胺或四甲基脲的极性酰胺溶剂中, 相对于水性凝固液中的高分子量聚合物为10-90重量%。 还提供了包括有机纤维纤维原料和其中布置片材的吸音结构材料的片材。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Fiber-reinforced plastic and method for producing the same
    • 纤维增强塑料及其制造方法
    • JP2012184286A
    • 2012-09-27
    • JP2011046534
    • 2011-03-03
    • Teijin Techno Products Ltd帝人テクノプロダクツ株式会社
    • INAGAKI YOSHIE
    • C08J5/04B29C43/02B29K105/12C08K7/02C08L101/00
    • PROBLEM TO BE SOLVED: To provide a fiber-reinforced plastic excellent in rigidity and impact resistance without increasing the weight; and a method for producing the same.SOLUTION: This fiber-reinforced plastic includes carbon fibers and heat-resistant organic fibers as reinforcing materials in a thermoplastic resin, which satisfies the following (1) and (2) simultaneously, and where in the thermoplastic resin, the carbon fiber and the heat-resistant organic fiber are interlacing at least partly. (1): The weight of carbon fibers:the weight of heat-resistant organic fibers=90:10 to 40:60. (2): The total weight of the carbon fibers and the heat-resistant organic fibers:the weight of the thermoplastic resin=5:95 to 70:30. The method for producing the fiber-reinforced plastic comprises forming a nonwoven cloth satisfying the following (1) and (2) simultaneously from carbon fibers, heat-resistant organic fibers and a thermoplastic resin; and heating and pressurizing the nonwoven cloth at melting point or softening point of the thermoplastic resin or higher temperature. (1): The weight of carbon fibers:the weight of heat-resistant organic fibers=90:10 to 40:60. (2): The total weight of the carbon fibers and the heat-resistant organic fibers:the weight of the thermoplastic resin=5:95 to 70:30.
    • 要解决的问题:提供刚性和耐冲击性优异的纤维增强塑料,而不增加重量; 及其制造方法。 解决方案:该纤维增强塑料包括作为热塑性树脂中的增强材料的碳纤维和耐热有机纤维,其同时满足以下(1)和(2),并且在热塑性树脂中,碳纤维 并且耐热有机纤维至少部分地交织在一起。 (1):碳纤维的重量:耐热有机纤维的重量= 90:10〜40:60。 (2)碳纤维和耐热有机纤维的总重量:热塑性树脂的重量= 5:95〜70:30。 制造纤维增强塑料的方法包括由碳纤维,耐热有机纤维和热塑性树脂同时形成满足以下(1)和(2)的无纺布; 并且在热塑性树脂的熔点或软化点或更高温度下加热和加压无纺布。 (1):碳纤维的重量:耐热有机纤维的重量= 90:10〜40:60。 (2):碳纤维和耐热有机纤维的总重量:热塑性树脂的重量= 5:95〜70:30。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Method for manufacturing ultrafine-diameter continuous fiber
    • 制造超直径连续光纤的方法
    • JP2012180611A
    • 2012-09-20
    • JP2011043579
    • 2011-03-01
    • Teijin Techno Products Ltd帝人テクノプロダクツ株式会社
    • SATO EMI
    • D01F6/60D01D5/04D01D5/06D02G3/24D04H3/16
    • PROBLEM TO BE SOLVED: To provide a microfiber including an aramid polymer as a principal component and a method for manufacturing the same.SOLUTION: A method for spinning a fiber from an aramid polymer solution comprises the steps of: (1) dissolving an aramid polymer into a solvent having a vapor pressure of 8,000 Pa or less at a spinning temperature; (2) preparing a polymer solution with a viscosity of 150 Pa s or less measured at the spinning temperature; (3) discharging the polymer solution from a discharge hole 9 and applying an air flow 8 jetted from nozzles 7 concentrically provided outside of the polymer discharge hole to the discharged polymer solution, while a discharge hole diameter (D; unit: mm) of the discharge hole, a pressure of the air flow (P; unit: MPa) and an amount of the discharged polymer solution (C; unit: g/min./hole) satisfying a following expression (1); and (4) continuously solidifying the polymer solution having been discharged from the discharge hole without bursting the polymer solution by the air flow jetted from the nozzles. 0.25≤P/(C×D) ... (1)
    • 要解决的问题:提供一种包括芳族聚酰胺聚合物作为主要成分的微纤维及其制造方法。 解决方案:从芳族聚酰胺聚合物溶液纺丝纤维的方法包括以下步骤:(1)在纺丝温度下将芳族聚酰胺聚合物溶解在蒸气压为8,000Pa或更低的溶剂中; (2)在纺丝温度下测定粘度为150Pa·s以下的聚合物溶液; (3)从排出孔9排出聚合物溶液,并将从聚合物排出孔外侧同时设置的喷嘴7喷出的空气流8喷射到排出的聚合物溶液,同时排出孔直径(D;单位:mm) 排出孔,空气流的压力(P;单位:MPa)和排出的聚合物溶液(C;单位:g / min /孔)的量满足下式(1); 和(4)从排出孔排出的聚合物溶液连续固化,而不会由喷嘴喷射的空气流使聚合物溶液破裂。 0.25≤P/(C×D)​​...(1)版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Yarn
    • JP2012154003A
    • 2012-08-16
    • JP2011015314
    • 2011-01-27
    • Teijin Techno Products Ltd帝人テクノプロダクツ株式会社
    • NAKAGAWA KOSUKETAKIGAMI KOTARO
    • D02G1/00D01F6/90
    • PROBLEM TO BE SOLVED: To provide a yarn made of meta-wholly aromatic polyamide fiber with a light resistant property that may be dyed in various colors by carrier dyeing and may suppress removal of a light resisting agent during dyeing.SOLUTION: A yarn is produced from meta-wholly aromatic polyamide fiber including a UV absorber with high hydrophobicity and having specific physical properties. Specifically, the yarn is produced by using meta-wholly aromatic polyamide fiber including a UV absorber with solubility in water less than 0.04 mg/L, having a degree of exhaustion of 90% or more in dyed fiber and having a light resistant property retaining rate of 80% or more kept through carrier dyeing.
    • 要解决的问题:提供具有耐候性的间位全芳香族聚酰胺纤维制成的纱线,其可以通过载体染色而以各种颜色染色,并且可以抑制染色期间的耐光剂的去除。 解决方案:由包含具有高疏水性并具有特定物理性能的紫外线吸收剂的间 - 全芳族聚酰胺纤维制成纱线。 具体地说,通过使用包含在水中的溶解度小于0.04mg / L的紫外线吸收剂的含全氟芳香族聚酰胺纤维,染色纤维的耗尽度为90%以上,耐光性保持率 通过载体染色保持80%以上。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Yarn
    • JP2012097362A
    • 2012-05-24
    • JP2010243685
    • 2010-10-29
    • Teijin Techno Products Ltd帝人テクノプロダクツ株式会社
    • YAMAGUCHI YORIHISATAKIGAMI KOTARO
    • D02G1/00D01F6/60D02G3/02
    • PROBLEM TO BE SOLVED: To provide a yarn using a novel meta-type wholly aromatic polyamide fiber having heat resistance, flame resistance and acid resistance, and excellent in balance between breaking strength and dimension stability under the high temperature atmosphere so as to be excellent in long-term durability.SOLUTION: A yarn is composed of a meta-type wholly aromatic polyamide fiber in which the content of low molecule with a molecular weight of less than 10,000 is 1.0 mass% or less, the amount of residual solvent remaining in the fiber is 1.0 mass% or less, the dry heat shrinkage ratio at 300°C is 3.0% or less, the breaking strength is 3.0 cN/dtex or more, and the strength retention after immersion in 20-mass% sulfuric acid aqueous solution at 25°C for 600 hours is 60% or more.
    • 要解决的问题:使用具有耐热性,阻燃性和耐酸性的新颖的间位型全芳族聚酰胺纤维提供纱线,并且在高温气氛下的断裂强度和尺寸稳定性之间的平衡优异,从而 长期耐用性优异。 解决方案:纱线由分子量小于10,000的低分子量的含量为1.0质量%以下的间位型全芳香族聚酰胺纤维构成,残留在纤维中的残留溶剂量为 1.0质量%以下,300℃下的干热收缩率为3.0%以下,断裂强度为3.0cN / dtex以上,浸渍在20质量%硫酸水溶液中的强度保持率为25° C为600小时为60%以上。 版权所有(C)2012,JPO&INPIT