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1. 发明专利

JP2006207085A Nonwoven fabric 有权
标题翻译：无纺布
公开(公告)号：JP2006207085A
公开(公告)日：2006-08-10
申请号：JP2005023320
申请日：2005-01-31
申请人： Teijin Fibers Ltd , Teijin Techno Products Ltd , 帝人テクノプロダクツ株式会社 , 帝人ファイバー株式会社
发明人： HONNA HIROSHI , YOSHIDA MAKOTO , OKUMURA HISAO
IPC分类号： D04H1/55
摘要： PROBLEM TO BE SOLVED: To provide a nonwoven fabric which has excellent heat resistance and an outstandingly improved tear strength.
SOLUTION: This nonwoven fabric comprising polyethylene naphthalate drawn staple fibers and polyethylene naphthalate undrawn staple fibers, wherein both the staple fibers are heated and pressed, is characterized in that the DSC peak temperature of the undrawn staple fibers is ≥270°C, when the nonwoven fabric is measured.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优异的耐热性和显着提高的撕裂强度的无纺布。解决方案：包括聚萘二甲酸乙二醇酯拉伸短纤维和聚萘二甲酸乙二醇酯未拉伸短纤维的无纺织物，其中两个短纤维被加热和压制，其特征在于未拉伸短纤维的DSC峰值温度≥270℃，当测量无纺布时。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006291392A Polyester fiber for marine material 审中-公开
标题翻译：海洋材料用聚酯纤维
公开(公告)号：JP2006291392A
公开(公告)日：2006-10-26
申请号：JP2005113540
申请日：2005-04-11
申请人： Teijin Techno Products Ltd , 帝人テクノプロダクツ株式会社
发明人： OKUMURA HISAO , TERASAKA FUYUKI
IPC分类号： D01F6/62 , A01K75/00 , D04C1/06
摘要： PROBLEM TO BE SOLVED: To provide a polyester fiber for marine materials scarcely causing degradation by long-term use.
SOLUTION: The polyester for marine materials fiber comprises a polyester in which ≥85 mol% of whole recurring units is ethylene naphthalate unit, and has characteristics simultaneously satisfying the following conditions: (1) the intrinsic viscosity is 0.63-0.80, (2) the strength is ≥6.0 cN/dtex, (3) toughness calculated from the product of strength with square root of elongation is ≥25.0, (4) total fineness is 700-2,100 dtex and single yarn fineness is 10-25 dtex and (5) dry heat shrinkage factor at 150°C is 2-8%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不会由于长期使用而导致退化的海洋材料用聚酯纤维。解决方案：用于海洋材料纤维的聚酯包括其中全部重复单元的≥85mol％是萘二甲酸乙二醇酯单元的聚酯，并具有同时满足以下条件的特性：（1）特性粘度为0.63-0.80（ 2）强度≥6.0cN / dtex，（3）由强度平方根伸长率计算的韧性≥25.0，（4）总细度为700-2100分特，单丝细度为10-25分特，（5）150℃干热收缩率为2-8％。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007224451A Polyester fiber for resin-reinforced fabric 有权
标题翻译：用于树脂增强织物的聚酯纤维
公开(公告)号：JP2007224451A
公开(公告)日：2007-09-06
申请号：JP2006046786
申请日：2006-02-23
申请人： Teijin Techno Products Ltd , 帝人テクノプロダクツ株式会社
发明人： OKUMURA HISAO , TERASAKA FUYUKI , MAKINO SHOJI
IPC分类号： D03D1/00 , D01F6/62 , D06M15/55 , D06M101/32 , F16G1/28
摘要： PROBLEM TO BE SOLVED: To provide polyester fiber fully exerting its own performance in the form of a fiber-resin composite.
SOLUTION: The polyester fiber, which consists of polyethylene terephthalate, has a breaking tenacity of 7.0 cN/dtex or higher, an elongation at break of 13% or greater and a heat shrinkage of 0.1-5.0% at 230°C under a load of 0.10 cN/dtex, and also is characterized in being 0.05-1.0 wt.%, on a fiber weight basis, in epoxy compound pickup on the fiber surface. Besides, in the polyester fiber, it is preferable that the peak value of the heat shrinkage force be less than 0.15 cN/dtex at 200-230°C, the single filament fineness be 4.5-6.0 dtex and the single filament count be 190-250 fil.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供聚酯纤维以纤维树脂复合材料的形式充分发挥自身的性能。解决方案：由聚对苯二甲酸乙二醇酯组成的聚酯纤维在230℃下的断裂强度为7.0cN / dtex或更高，断裂伸长率为13％以上，热收缩率为0.1-5.0％负载为0.10cN / dtex，并且在纤维表面上的环氧化合物拾取中，其特征在于以纤维重量为基准的0.05-1.0重量％。此外，在聚酯纤维中，优选在200-230℃下，热收缩力的峰值小于0.15cN / dtex，单丝细度为4.5-6.0dtex，单丝数为190〜 250 fil。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006322082A METHOD FOR PRODUCING POLYETHYLENE NAPHTHALATE FIBER 审中-公开
公开(公告)号：JP2006322082A
公开(公告)日：2006-11-30
申请号：JP2005143833
申请日：2005-05-17
申请人： TEIJIN TECHNO PRODUCTS LTD
发明人： OKUMURA HISAO , TERASAKA FUYUKI
IPC分类号： D01F6/62
摘要： PROBLEM TO BE SOLVED: To provide a method for stably melt-spinning a polyethylene naphthalate polymer having high melting point. SOLUTION: A polymer composed of a polyethylene naphthalate containing ethylene-2,6-naphthalate unit as at least 90 mol% of the total repeating unit is heat-treated at ≥200°C and the treated polymer is spun by melt-spinning. The heat-treatment is carried out by holding the temperature between 140°C and 190°C for ≤150 min. Preferably, the holding time between 100°C and 140°C is 30-330 min and the chip size of the polymer is 2.5-4.0 mm in terms of the equivalent sphere diameter (Dp). COPYRIGHT: (C)2007,JPO&INPIT

5. 发明专利

JP2006322110A METHOD FOR PRODUCING POLYETHYLENE NAPHTHALATE FIBER 审中-公开
公开(公告)号：JP2006322110A
公开(公告)日：2006-11-30
申请号：JP2005146895
申请日：2005-05-19
申请人： TEIJIN TECHNO PRODUCTS LTD
发明人： OKUMURA HISAO , TERASAKA FUYUKI
IPC分类号： D01F6/62 , D02J1/22
摘要： PROBLEM TO BE SOLVED: To provide a method for stably drawing a polyethylene naphthalate polymer having rigid molecular chain after melt-spinning. SOLUTION: A polymer composed of ethylene-2,6-naphthalate unit accounting for ≥90 mol% of the total repeating unit and having an intrinsic viscosity of 0.65-0.90 is spun by melt-spinning and subjected to multi-stage drawing comprising at least 3 stages. The 1st stage draw ratio in the multi-stage drawing is 1.2-1.5, the 2nd stage draw ratio is 3.5-4.5 and only the 2nd stage drawing is neck drawing. Preferably, the total draw ratio is ≥5.0, the temperature range of the preheating roller in the drawing step is 150-200°C, the fiber has uniform diameter after the drawing of each stage, the winding speed is 2,300-3,300 m/min, and the drawing is direct spinning drawing method to continuously draw the melt-spun fiber without winding. COPYRIGHT: (C)2007,JPO&INPIT

6. 发明专利

JP2006322098A METHOD FOR PRODUCING POLYETHYLENE NAPHTHALATE FIBER 审中-公开
公开(公告)号：JP2006322098A
公开(公告)日：2006-11-30
申请号：JP2005145207
申请日：2005-05-18
申请人： TEIJIN TECHNO PRODUCTS LTD
发明人： OKUMURA HISAO , TERASAKA FUYUKI
IPC分类号： D02J1/22 , D01F6/62
摘要： PROBLEM TO BE SOLVED: To provide a method for producing high tenacity polyethylene naphthalate fibers, by which spinning and drawing are carried out stably. SOLUTION: The invention relates to the method for producing the polyethylene naphthalate fibers comprising drawing the filaments obtained by melt spinning a polymer comprising the polyethylene naphthalate as principal component, wherein the drawing is carried out by preheating the filaments with a preheating roller with average surface temperature of 170-190°C and having ≤7°C of maximum deviation of the surface, for 1.50-2.50 sec. The drawing is preferably carried out through a multi-stage drawing, the drawing rate in a first stage drawing is 4.5-6.0 times, and the spinning rate is 450-1200 m/min and the winding rate is ≥2500 m/min, and the fineness of the monofilament is 4.0-8.0 dtex and the total fineness of the fibers is 560-2200 dtex. The preheating roller is preferably a jacket roller enclosing heat transfer medium and the roller has 150-250 mm of diameter. COPYRIGHT: (C)2007,JPO&INPIT

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