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Method for manufacture of high-expansion type absorbent polymer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-002/00
  • C08K-003/34
출원번호 US-0880447 (1986-06-30)
우선권정보 JP-0064773 (1986-03-25); JP-0095884 (1986-04-26); JP-0095885 (1986-04-26)
발명자 / 주소
  • Morita Yasuhiro (Osaka JPX) Iwamoto Takanori (Osaka JPX) Kataoka Hiroyuki (Osaka JPX) Kambayashi Taiji (Yamatotakada JPX) Matsumoto Shigeaki (Yamatokoriyama JPX) Kato Chuzo (Tokyo JPX)
출원인 / 주소
  • Osaka Yuki Kagaku Kogyo Kabushiki Kaisha (Osaka JPX 03)
인용정보 피인용 횟수 : 28  인용 특허 : 0

초록

This invention provides a method for the manufacture of a high-expansion type absorbent polymer by first causing an absorbent polymer which is obtained by polymerization of a monomer and is possessed of an alkali salt of acrylic acid as a component of polymer to be cross-linked at the time of azeotr

대표청구항

A method for the manufacture of a high-expansion type absorbent polymeric powder which forms a non-viscid, gas-permeable gel in the presence of water, comprising: (a) partially neutralizing an aqueous solution of an acrylic acid with an alkali hydroxide to obtain at least 75 mol % of an alkali salt

이 특허를 인용한 특허 (28)

  1. Wang Lin,JPX ; Rezai Ebrahim,JPX ; Hayashi Yumiko,JPX, Absorbent articles comprising absorbent members comprising absorbent materials having improved absorbent property.
  2. Beruda, Holger; Nakagawa, Yasue; Link, Andrea Lieselotte; Schmidt, Mattias, Absorbent articles comprising fluid acquisition zones with superabsorbent polymers.
  3. Beruda,Holger; Nakagawa,Yasue; Link,Andrea Lieselotte; Meyer,Axel, Absorbent articles comprising super absorbent polymer having a substantially non-convalently bonded surface coating.
  4. Arndt, Silke; Ehrnsperger, Bruno Johannes; Schmidt, Mattias; Lavon, Gary Dean; Kruezer, Carsten Heinrich; Stoelzel, Claus Peter, Absorbent articles providing improved fit when wet.
  5. Ehrnsperger,Bruno Johannes; Schoenborn,Udo Friedel, Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer.
  6. Ehrnsperger,Bruno; Schoenborn,Udo Friedel, Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer.
  7. Hsueh Kesyin F.,JPX ; Sasaki Reiko,JPX, Absorbent macrostructure made from mixtures of different hydrogel-forming absorbent polymers for improved fluid handling capability.
  8. Wang Lin,JPX ; Rezai Ebrahim,JPX ; Hayashi Yumiko,JPX, Absorbent materials having improved absorbent property and methods for making the same.
  9. Wang Lin,JPX ; Rezai Ebrahim,JPX ; Hayashi Yumiko,JPX, Absorbent materials having improved absorbent property and methods for making the same.
  10. Goldman Stephen A. (Wyoming OH) Haynes Nancy A. (Okeana OH) Mansfield Todd L. (Cincinnati OH) Plischke Manfred (Steinbach DEX) Retzsch Herbert L. (Cincinnati OH) Walker Trevor (Cincinnati OH) Young G, Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absor.
  11. Schmidt, Mattias; Meyer, Axel; Fossum, Renae Dianna; Autran, Jean-Philippe Marie; Riegel, Ulrich; Daniel, Thomas; Bruhns, Stefan; Elliott, Mark; Haeberle, Karl, Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant.
  12. Schmidt, Mattias; Palumbo, Gianfranco, Absorbent structures comprising fluid storage members with improved ability to dewater acquisition/distribution members.
  13. Schmidt, Mattias; Meyer, Axel; Ehrnsperger, Bruno Johannes; Goldman, Stephen Allen; Urankar, Edward Joseph, Coated water-swellable material comprising hydrogel forming polymers.
  14. Machida, Sayaka; Ikeuchi, Hiroyuki; Kobayashi, Taishi; Tamaki, Mariko, Dust reducer consisting of multi-component metal compound, water absorbing agent containing multi-component metal compound, and method for producing the same.
  15. Cheng John Tze-Chiang (Allentown PA) Marten Finn Lennart (Emmaus PA) Goldstein Joel Erwin (Allentown PA) Mao Chung-Ling (Emmaus PA), Liquid absorbent composition for nonwoven binder applications.
  16. Suskind Stuart P. ; Pearlstein Leonard, Method of making high performance superabsorbent material.
  17. Dierckes ; Jr. Albert C. ; Naga Kyoko,JPX ; Rezai Ebrahim,JPX ; Tai Yung-Wei,JPX ; Kolodesh Michael S.,JPX, Methods for making non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles.
  18. Payzant, John Donald; Zhou, Zhihong, Networked polymer/clay alloy.
  19. Dierckes ; Jr. Albert C. ; Naga Kyoko,JPX ; Rezai Ebrahim,JPX ; Tai Yung-Wei,JPX ; Kolodesh Michael S. ; Haynes Nancy A., Non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles.
  20. Wang Lin ; Rezai Ebrahim ; Hayashi Yumiko, Porous absorbent materials having modified surface characteristics and methods for making the same.
  21. Schmidt, Mattias; Meyer, Axel; Fossum, Renae Dianna; Ehrnsperger, Bruno Johannes; Goldman, Stephen Allen; Divo, Michael; Urankar, Edward Joseph, Process for making water-swellable material comprising coated water-swellable polymers.
  22. Rezai Ebrahim,JPX ; Kolodesh Michael S. ; Tai Yung-Wei,JPX ; Hsueh Kesyin,JPX ; Dierckes ; Jr. Albert C. ; Naga Kyoko,JPX ; Haynes Nancy A., Process of making a non-continuous absorbent composite.
  23. Zhou, Zhihong; Payzant, John Donald; Van Woudenberg, Walter, Reinforced networked polymer/clay alloy composite.
  24. Zhou, Zhihong; Payzant, John Donald; Woudenberg, Walter Van, Reinforced networked polymer/clay alloy composite.
  25. Cristobal, Galder; Metivier, Pascal; Castaing, Jean-Christophe; Ji, Pengfei; Chen, Zhiyun, Soil additives for promoting seed germination, for prevention of evaporation and methods for use.
  26. Herfert,Norbert; Azad,Michael M.; Mitchell,Michael A.; Woodrum,Guy Thomas; Chiang,William G. J.; Brown,Patricia D.; Robinson,James C., Superabsorbent polymers and method of manufacturing the same.
  27. Sun, Fang; Messner, Bernfried A.; Jones, Heather S., Superabsorbent polymers having delayed water absorption characteristics.
  28. Shumway,William W.; Pober,Kenneth W.; Kirsner,Jeff, Surfactant-free emulsions and methods of use thereof.
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