Preparation and Properties of High-Strenght and High-Modulus Aramid Fibers Having High Hydrolytic Stability at High Temperature

Takuma Jinda; Hajime Kimura

doi:10.2115/fiber.51.2_100

耐湿熱性の高強度・高弾性率アラミド繊維の作製と性質

神田拓馬, 木村元

著者情報

ジャーナルフリー

1995 年 51 巻 2 号 p. 100-103

DOI https://doi.org/10.2115/fiber.51.2_100

詳細

発行日: 1995/02/10 受付日: 1994/09/12 J-STAGE公開日: 2008/06/30 受理日: 1994/09/12 早期公開日: - 改訂日: -
訂正情報
訂正日: 2008/06/30 訂正理由: - 訂正箇所: 論文抄録訂正内容: Wrong : In order to obtain high-strength and high-modulus aramid fibers which are hydrolytically stable at high temperatures and can be applicable to cement reinforcement by autoclave curing, disubstituted benzidines (60-40 mole%) such as 2, 2′-dimethylbenzidine (2, 2′-Di-Me-Bz) and 1, 4-bis(ρ-aminophenoxy) benzene (BAP) (40-60 mole%) were copolymerized with terephthaloyl chloride. The resultant polymer solutions were wet-spun and hot-drawn.
The fibers obtained had good mechanical properties and high hydrolytic stability at high temperatures. A typical example was as follows: the fiber from 2, 2′-Di-Me-Bz/BAP(60/40) terephthalamide had tenacity of 22g/d and initial modulus of 700 g/d and retained 84-92% of tenacity after hydrolysis in aqueous alkaline solution (pH 13.6) for 6 hr at 180°C.
Right : In order to obtain high-strength and high-modulus aramid fibers which are hydrolytically stable at high temperatures and can be applicable to cement reinforcement by autoclave curing, disubstituted benzidines (60-40 mole%) such as 2, 2'-dimethylbenzidine (2, 2'-Di-Me-Bz) and 1, 4-bis(ρ-aminophenoxy) benzene (BAP) (40-60 mole%) were copolymerized with terephthaloyl chloride. The resultant polymer solutions were wet-spun and hot-drawn.
The fibers obtained had good mechanical properties and high hydrolytic stability at high temperatures. A typical example was as follows: the fiber from 2, 2'-Di-Me-Bz/BAP(60/40) terephthalamide had tenacity of 22g/d and initial modulus of 700 g/d and retained 84-92% of tenacity after hydrolysis in aqueous alkaline solution (pH 13.6) for 6 hr at 180°C.

訂正日: 2008/06/30 訂正理由: - 訂正箇所: PDFファイル訂正内容: -

抄録

In order to obtain high-strength and high-modulus aramid fibers which are hydrolytically stable at high temperatures and can be applicable to cement reinforcement by autoclave curing, disubstituted benzidines (60-40 mole%) such as 2, 2'-dimethylbenzidine (2, 2'-Di-Me-Bz) and 1, 4-bis(ρ-aminophenoxy) benzene (BAP) (40-60 mole%) were copolymerized with terephthaloyl chloride. The resultant polymer solutions were wet-spun and hot-drawn.
The fibers obtained had good mechanical properties and high hydrolytic stability at high temperatures. A typical example was as follows: the fiber from 2, 2'-Di-Me-Bz/BAP(60/40) terephthalamide had tenacity of 22g/d and initial modulus of 700 g/d and retained 84-92% of tenacity after hydrolysis in aqueous alkaline solution (pH 13.6) for 6 hr at 180°C.

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