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単糸繊度が５０〜２００ｄｔｅｘ、かつ引張弾性率が３００ｃＮ/ｄｔｅｘ以上であることを特徴とするセメント補強用全芳香族ポリアミド繊維。
A wholly aromatic polyamide fiber for cement reinforcement, having a single yarn fineness of 50 to 200 dtex and a tensile modulus of 300 cN / dtex or more.
全芳香族ポリアミドが、コポリパラフェニレン・３，４’−オキシジフェニレンテレフタルアミドである請求項１記載のセメント補強用全芳香族ポリアミド繊維。
The wholly aromatic polyamide fiber for cement reinforcement according to claim 1, wherein the wholly aromatic polyamide is copolyparaphenylene 3,4'-oxydiphenylene terephthalamide.
全芳香族ポリアミド繊維を湿式法または半乾半湿式法により紡糸するに際し、ポリマードープ吐出後の脱溶媒工程において、浸漬長が１０ｍ以上で、かつ溶媒の濃度勾配がある複数の脱溶媒槽を使用することを特徴とする請求項１または２記載のセメント補強用全芳香族ポリアミド繊維の製造方法。
When spinning fully aromatic polyamide fibers by wet or semi-dry and semi-wet methods, use multiple solvent removal tanks with immersion length of 10m or more and solvent concentration gradient in the solvent removal process after polymer dope discharge. The method for producing wholly aromatic polyamide fibers for cement reinforcement according to claim 1 or 2.
脱溶媒槽の溶媒の濃度勾配が、１５重量％〜０．００１重量％の範囲である請求項３記載のセメント補強用全芳香族ポリアミド繊維の製造方法。 The method for producing a wholly aromatic polyamide fiber for cement reinforcement according to claim 3, wherein the solvent concentration gradient in the desolvation tank is in the range of 15 wt% to 0.001 wt%.
JP2008203740A2008-08-072008-08-07
Cement-reinforced wholly aromatic polyamide fiber and method for producing the same
ActiveJP5307470B2
(en)
process for producing dyed polyester fibers, dyed yarn and / or dyed textile cloth from the components, and use of dyed polyester fiber, dyed yarn and / or dyed textile cloth