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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Superabsorbent polymer fibers having improved absorption characteristics

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) D01D-005/24    D02G-003/00   
미국특허분류(USC) 264/2096; 264/182; 264/1780R; 264/21112; 264/21114; 264/21117; 428/364; 428/397; 428/400
출원번호 US-0644385 (2000-08-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Smith Moore LLP
인용정보 피인용 횟수 : 6  인용 특허 : 34
초록

A method for providing improved absorbency against pressure characteristics to non-surface crosslinked superabsorbent polymer fibers.

대표
청구항
▼

1. A method for providing improved absorbency against pressure characteristics to non-surface cross-linked superabsorbent polymer fibers, said method comprising:(a) providing superabsorbent polymer fibers that are free of a surface cross-linking treatment; (b) mixing a surface cross-linking agent with the superabsorbent polymer fibers that are free of a surface cross-linking treatment; and (c) heating the resultant mixture of the surface cross-linking agent and the superabsorbent polymer fibers that are free of a surface cross-linking treatment for a suf...

이 특허에 인용된 특허 (34)

  1. Goldman Stephen Allen (Wyoming OH) Haynes Nancy Ann (Okeana OH) Mansfield Todd Leon (Cincinnati OH) Plischke Manfred (Steinbach DEX) Retzsch Herbert Louis (Cincinnati OH) Walker Trevor (Cincinnati OH. Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absor. USP1997095669894.
  2. Akers Paul J. (Coventry GBX). Absorbent nonwoven fabric and its production. USP1997035607550.
  3. Buckley Lee A. (White Bear Lake Lake Elmo MN) Insley Thomas I. (Lake Elmo MN). Absorbent nonwoven webs. USP1991014985298.
  4. Dahmen Kurt (Mnchengladbach-Rheydt DEX) Mertens Richard (Krefeld DEX). Aqueous-liquid and blood-absorbing powdery reticulated polymers, process for producing the same and their use as absorbe. USP1995045409771.
  5. Holst Arno (Wiesbaden DEX) Lask Helmut (Wiesbaden DEX) Nischwitz Ehrenfried (Schmitten-Oberreifenbg. DEX) Fischer Wilhelm (Pirmasens DEX). Bonded fiber web, which is capable of absorbing water vapor comprising a swellable cellulose ether in fiber form. USP1980024187342.
  6. Keil, Karl-Heinz; Greiner, Ulrich; Engelhardt, Fritz; Kuhlein, Klaus; Keller, Reinhold; Schlingmann, Merten. Copolymer, a process for its preparation and its use as a sorbent. USP1985114552905.
  7. Le-Khac Bi (West Chester PA). Extended shelf life water-absorbing composition which facilitates fiber formation. USP1988034731067.
  8. Le-Khac Bi (West Chester PA). Extended shelf life water-absorbing composition which facilitates fiber formation. USP1989114880868.
  9. Oczkowski Boguslaw (Spotswood NJ) Schiff Norman (Kendall Park NJ). Fiber/absorbent polymer composites and method of forming same. USP1982104354487.
  10. Akers Paul J. (Coventry GBX) Brunskill William (Hinckley GBX). Fibre and film of a water-absorbent water-insoluble material having a matrix of a copolymer. USP1995115466731.
  11. Durham Robert L. (Simonton TX). Filtration with biogenetic silica. USP1987024645605.
  12. Matthews Virgil Edison (Charleston WV) Knopf Robert John (Saint Albans WV). Lightly cross-linked polyurethane hydrogels based on poly(alkylene ether) polyols. USP1976023939123.
  13. Gupta Vijai P. (Berwyn PA). Manufacture of C2-C8 olefin/maleic anhydride copolymers. USP1991115066742.
  14. Makita Muneharu (Takatsuki JPX) Tanioku Shozo (Nara JPX). Method for producing improved water-absorbent resins. USP1986054587308.
  15. Tanaka Koji (Okayama JPX). Novel water-swellable fibers and process for producing the same. USP1983024374175.
  16. Tanaka Koji (Okayama JPX). Novel water-swellable fibers having a high degree of water-swellability and excellent physical properties and process fo. USP1982124366206.
  17. Guo Shao H. (West Chester PA) Grey Roger A. (West Chester PA). Organic liquid absorbent compositions based on phosphonic acid-containing polymers and di- or polyamines. USP1993125274050.
  18. Le-Khac Bi (West Chester PA). Polymer compositions and absorbent fibers produced therefrom. USP1991065026784.
  19. Le-Khac Bi (West Chester PA). Polymer compositions and absorbent fibers produced therefrom. USP1992015079306.
  20. Knopf Robert John (St. Albans WV) Matthews Virgil Edison (Charleston WV) Jones ; Jr. Allen Paul (Charleston WV). Polyurethane hydrogel fibers and tapes and composites with natural and other synthetic fibers or films. USP1976023940542.
  21. Kondo Yoshikazu (Hofu JPX) Yamamoto Toshihiro (Hofu JPX) Yamamoto Takaji (Hofu JPX). Porous acrylic synthetic fibers comprising cellulose acetate in an acrylic matrix and method for producing said fibers. USP1983074395377.
  22. Rhim Hannong (Roswell GA) Varona Eugenio G. (Marietta GA) Woon Lin-Sun (Marietta GA). Porous, nonwoven liquid-activated barrier. USP1995095447788.
  23. Huber Bernd (Wiesbaden DEX). Process for the production of swellable filaments, fibers and shaped structures of acrylic polymers, and the products ob. USP1986074600407.
  24. Reid ; Albert R.. Superabsorbent cellulosic fibers having a coating of a water insoluble, water absorbent polymer and method of making th. USP1978124128692.
  25. Wolfe ; Jr. James R. (Wilmington DE). Thermoplastic elastomeric compositions. USP1989014801647.
  26. Le-Khac Bi (Chester PA). Ultrahigh water-absorbing fiber forming composition. USP1989034813945.
  27. Le-Khac Bi (West Chester PA). Ultrahigh water-absorbing fiber-forming composition. USP1990014892533.
  28. Akers Paul J. (Coventry GBX) Brunskill William (Hinckley GBX). Water absorbent fibres. USP1995055413747.
  29. Le-Khac Bi (West Chester PA). Water absorbent polymer composition. USP1986104616063.
  30. LeKhac Bi (West Chester PA). Water absorbing polymer compositions and articles prepared therefrom. USP1988054743244.
  31. Anderson Stewart C. (Eden Prairie MN) Malmsten Richard (Vadnais Heights MN). Water soluble alcohol based nonwoven binder for water swellable, soluble or sensitive fibers. USP1993035196470.
  32. Yoshioka Yoshihiro (Ibaraki JPX) Harima Hiroshi (Ibaraki JPX). Water-absorbing rubber composition. USP1983124420588.
  33. Tanaka Koji (Okayama JPX) Ueda Minoru (Okayama JPX). Water-removing material usable for hydrophobic liquids and process for producing the same. USP1985034507204.
  34. Tanaka Kojii (Okayama JPX). Water-swellable fiber. USP1989104873143.

이 특허를 인용한 특허 피인용횟수: 6

  1. Beruda, Holger; Nakagawa, Yasue; Link, Andrea Lieselotte; Schmidt, Mattias. Absorbent articles comprising fluid acquisition zones with superabsorbent polymers. USP2010127847144.
  2. Beruda,Holger; Nakagawa,Yasue; Link,Andrea Lieselotte; Meyer,Axel. Absorbent articles comprising super absorbent polymer having a substantially non-convalently bonded surface coating. USP2008077405341.
  3. Brander, William M.; Gautreaux, Thomas P.. Food preservation compositions and methods of use thereof. USP2011017863350.
  4. Hayes, Peter C.; De Jong, Ralph Lewis. Paper coating or binding formulations and methods of making and using same. USP2015079074322.
  5. Hayes, Peter C.; De Jong, Ralph Lewis. Paper coating or binding formulations and methods of making and using same. USP2013128613834.
  6. Lee, Hye-Min; Han, Chang-Sun; Won, Tae-Young. Super absorbent polymer. USP2015089114381.

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