DK0380931T3 - Fremgangsmåde til kontinuerlig tørring af hydrofile polymergeler - Google Patents

Fremgangsmåde til kontinuerlig tørring af hydrofile polymergeler

Info

Publication number
DK0380931T3
DK0380931T3 DK90100407.7T DK90100407T DK0380931T3 DK 0380931 T3 DK0380931 T3 DK 0380931T3 DK 90100407 T DK90100407 T DK 90100407T DK 0380931 T3 DK0380931 T3 DK 0380931T3
Authority
DK
Denmark
Prior art keywords
hydrophilic polymer
continuous drying
polymer gels
drier
gels
Prior art date
Application number
DK90100407.7T
Other languages
English (en)
Inventor
Stefan Dr Pieh
Gerhard Willert
Original Assignee
Chemie Linz Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemie Linz Gmbh filed Critical Chemie Linz Gmbh
Application granted granted Critical
Publication of DK0380931T3 publication Critical patent/DK0380931T3/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DK90100407.7T 1989-01-30 1990-01-10 Fremgangsmåde til kontinuerlig tørring af hydrofile polymergeler DK0380931T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT17589 1989-01-30

Publications (1)

Publication Number Publication Date
DK0380931T3 true DK0380931T3 (da) 1994-06-20

Family

ID=3483557

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90100407.7T DK0380931T3 (da) 1989-01-30 1990-01-10 Fremgangsmåde til kontinuerlig tørring af hydrofile polymergeler

Country Status (7)

Country Link
US (1) US5005771A (da)
EP (1) EP0380931B1 (da)
JP (1) JP2775187B2 (da)
AT (1) ATE106309T1 (da)
DE (2) DE3905806A1 (da)
DK (1) DK0380931T3 (da)
ES (1) ES2054101T3 (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206205A (en) * 1991-08-15 1993-04-27 Kimberly-Clark Corporation Thermal treatment of superabsorbents to enhance their rate of absorbency under load
US5247072A (en) * 1991-10-25 1993-09-21 Kimberly-Clark Corporation Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
US5550189A (en) * 1992-04-17 1996-08-27 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
EP0574260B1 (en) 1992-06-10 1999-03-03 Nippon Shokubai Co., Ltd. Method for production of hydrophilic resin
EP1130045B2 (en) 2000-02-29 2015-10-28 Nippon Shokubai Co., Ltd. Process for producing a water-absorbent resin powder
WO2002066543A1 (en) * 2001-02-16 2002-08-29 Genzyme Corporation Method of drying a material having a cohesive phase
DE102004019264B4 (de) * 2004-04-21 2008-04-10 Stockhausen Gmbh Verfahren zur Herstellung eines absorbierenden Polymers mittels Spreittrocknung
EP2001938B1 (en) 2006-03-31 2016-06-01 Albemarle Corporation A process for producing coated urea-formaldehyde polymers
EP2471847B2 (en) 2009-08-28 2018-01-03 Nippon Shokubai Co., Ltd. Process for production of water-absorbable resin
EP2527390B1 (en) 2010-01-20 2020-08-12 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
EP2527391B1 (en) 2010-01-20 2023-08-09 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
JP5605855B2 (ja) 2010-02-10 2014-10-15 株式会社日本触媒 吸水性樹脂粉末の製造方法
EP2546284B1 (en) 2010-03-12 2019-07-10 Nippon Shokubai Co., Ltd. Method for manufacturing a water-absorbing resin
CN102906124B (zh) * 2010-03-24 2014-12-17 巴斯夫欧洲公司 从吸水性聚合物颗粒中移除残余单体的方法
EP2565219B1 (en) 2010-04-27 2018-06-27 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water absorbent resin powder
EP2709682B1 (de) * 2011-05-18 2016-12-14 Basf Se Verwendung wasserabsorbierender polymerpartikel zur absorption von blut und/oder menstruationsflüssigkeit
WO2016070184A1 (en) 2014-10-31 2016-05-06 Koch Agronomic Services, Llc Nitrification inhibitor compositions and methods of making thereof
JP6722507B2 (ja) * 2015-05-14 2020-07-15 株式会社日本触媒 吸水性樹脂の製造方法
WO2018092863A1 (ja) 2016-11-16 2018-05-24 株式会社日本触媒 吸水性樹脂粉末の製造方法、並びに粒子状含水ゲルの乾燥装置及び乾燥方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1735397A (en) * 1925-05-26 1929-11-12 Hiller Stanley Drying process
FR2224268B1 (da) * 1973-04-07 1977-09-23 Buettner Schilde Haas Ag
JPS5432176B2 (da) * 1973-05-02 1979-10-12
JPS591941B2 (ja) * 1975-04-01 1984-01-14 日本合成化学工業株式会社 エチレン−酢酸ビニル共重合体ケン化物粒子の乾燥法
US4138539A (en) * 1975-06-19 1979-02-06 American Cyanamid Company Process for water-soluble synthetic polymer in powder form
US4030205A (en) * 1975-12-29 1977-06-21 Robertson Joseph D Drying system for particles
DE2632054C3 (de) * 1976-07-16 1982-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur Trocknung von chloriertem Polyäthylen
DE2717630A1 (de) * 1977-04-21 1978-10-26 American Colloid Co Kontinuierliches verfahren zur herstellung von trockenem, festem polyakrylamid
JPS57202308A (en) * 1981-06-05 1982-12-11 Mitsubishi Chem Ind Ltd Preparation of partially hydrolyzed acrylamide polymer
CA1253833A (en) * 1984-11-06 1989-05-09 Akira Yada Process for preparing water-soluble polymer gel particles
JPS61127707A (ja) * 1984-11-27 1986-06-16 Mitsubishi Chem Ind Ltd アクリルアミド系ポリマ−の乾燥方法
US4650126A (en) * 1984-12-26 1987-03-17 E. I. Du Pont De Nemours And Company Process for ambient temperature grinding of soft polymers
GB2190016B (en) * 1985-08-01 1989-07-26 Ecc Int Ltd Communition of material

Also Published As

Publication number Publication date
EP0380931A3 (de) 1991-05-15
ATE106309T1 (de) 1994-06-15
EP0380931A2 (de) 1990-08-08
EP0380931B1 (de) 1994-06-01
ES2054101T3 (es) 1994-08-01
JP2775187B2 (ja) 1998-07-16
JPH02240112A (ja) 1990-09-25
DE59005848D1 (de) 1994-07-07
US5005771A (en) 1991-04-09
DE3905806A1 (de) 1990-09-06

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