JP2008038309A5 - - Google Patents

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Publication number
JP2008038309A5
JP2008038309A5 JP2006216976A JP2006216976A JP2008038309A5 JP 2008038309 A5 JP2008038309 A5 JP 2008038309A5 JP 2006216976 A JP2006216976 A JP 2006216976A JP 2006216976 A JP2006216976 A JP 2006216976A JP 2008038309 A5 JP2008038309 A5 JP 2008038309A5
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JP
Japan
Prior art keywords
mass
acrylonitrile
fiber
vinyl monomer
temperature
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Pending
Application number
JP2006216976A
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Japanese (ja)
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JP2008038309A (en
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Priority to JP2006216976A priority Critical patent/JP2008038309A/en
Priority claimed from JP2006216976A external-priority patent/JP2008038309A/en
Publication of JP2008038309A publication Critical patent/JP2008038309A/en
Publication of JP2008038309A5 publication Critical patent/JP2008038309A5/ja
Pending legal-status Critical Current

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Claims (1)

９２質量％以上のアクリロニトリルと、該アクリロニトリルと共重合性を有するビニル系モノマーを３質量％以上、６質量％未満、およびスルホン酸基含有ビニルモノマーを０．２質量％以上、２質量％未満からなるアクリロニトリル系ポリマーを用いて、有機溶媒としてジメチルアセトアミドを使用して、湿式紡糸法によるアクリル系繊維を製造するに際し、該ポリマー溶液濃度を２１〜２５質量％、原液粘度を５０〜３００ポイズ、原液温度を６０〜９０℃となるように調整し、溶媒濃度が５０〜６０質量％、温度が３０〜４５℃の凝固浴に紡出した後、湿熱雰囲気下で延伸倍率３．５〜５．５倍に延伸し、乾燥緻密化処理前のゲル状繊維の膨潤度（繊維含水率）を８０〜１３０質量％とし、引き続き、乾燥緻密化処理を行い、さらに繊維の熱収縮が５〜１５％となるように熱緩和処理を行うことを特徴とする抗ピル性アクリル系繊維の製造方法 92% by mass or more of acrylonitrile, 3% by mass or more and less than 6% by mass of a vinyl monomer copolymerizable with the acrylonitrile, and 0.2% by mass or more and less than 2% by mass of a sulfonic acid group-containing vinyl monomer. In producing acrylic fiber by wet spinning method using dimethylacetamide as an organic solvent using the acrylonitrile-based polymer, the polymer solution concentration is 21 to 25% by mass, the stock solution viscosity is 50 to 300 poise, and the stock solution The temperature is adjusted to 60 to 90 ° C., and after spinning into a coagulation bath having a solvent concentration of 50 to 60 mass% and a temperature of 30 to 45 ° C. , a draw ratio of 3.5 to 5.5 in a moist heat atmosphere. stretching doubled, dry densification treatment before the swelling degree of the gel-like fibers (fiber moisture content) and 80 to 130 wt%, subsequently, and dried densification process, further fiber Method for producing an anti-pill acrylic fiber thermal contraction is characterized by performing the heat relaxation treatment so as to 5-15%
JP2006216976A 2006-08-09 2006-08-09 Anti-pilling acrylic fiber and method for producing the same Pending JP2008038309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006216976A JP2008038309A (en) 2006-08-09 2006-08-09 Anti-pilling acrylic fiber and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006216976A JP2008038309A (en) 2006-08-09 2006-08-09 Anti-pilling acrylic fiber and method for producing the same

Publications (2)

Publication Number Publication Date
JP2008038309A JP2008038309A (en) 2008-02-21
JP2008038309A5 true JP2008038309A5 (en) 2008-10-09

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Family Applications (1)

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JP2006216976A Pending JP2008038309A (en) 2006-08-09 2006-08-09 Anti-pilling acrylic fiber and method for producing the same

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JP (1) JP2008038309A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6331224B2 (en) * 2012-09-13 2018-05-30 日本エクスラン工業株式会社 Acrylonitrile fiber, method for producing the same, and fiber structure containing the fiber
JP6299341B2 (en) * 2013-03-29 2018-03-28 東レ株式会社 White anti-pill acrylic fiber and process for producing the same
EP3187629A4 (en) * 2014-08-27 2017-09-13 Mitsubishi Chemical Corporation Glossy pilling-resistant acrylic fiber, method for producing same, and spun yarn and knitted fabric including said acrylic fiber
CN114302985A (en) * 2019-08-23 2022-04-08 三菱化学株式会社 Acrylic fiber, spun yarn and knitted fabric comprising same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3656311B2 (en) * 1996-03-14 2005-06-08 東レ株式会社 Anti-pill ultrafine acrylic fiber and method for producing the same
JP4955921B2 (en) * 2004-12-24 2012-06-20 三菱レイヨン株式会社 Anti-pill fine fineness acrylic fiber, method for producing the same, and spun yarn

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