DE69630441D1 - Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellung - Google Patents

Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellung

Info

Publication number
DE69630441D1
DE69630441D1 DE69630441T DE69630441T DE69630441D1 DE 69630441 D1 DE69630441 D1 DE 69630441D1 DE 69630441 T DE69630441 T DE 69630441T DE 69630441 T DE69630441 T DE 69630441T DE 69630441 D1 DE69630441 D1 DE 69630441D1
Authority
DE
Germany
Prior art keywords
producing
same
water absorbing
absorbing agent
agent
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69630441T
Other languages
English (en)
Other versions
DE69630441T3 (de
DE69630441T2 (de
Inventor
Yorimichi Dairoku
Toshimasa Kitayama
Kinya Nagasuna
Takanori Murakami
Akito Yano
Kunihiko Ishizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18344150&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69630441(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of DE69630441D1 publication Critical patent/DE69630441D1/de
Application granted granted Critical
Publication of DE69630441T2 publication Critical patent/DE69630441T2/de
Anticipated expiration legal-status Critical
Publication of DE69630441T3 publication Critical patent/DE69630441T3/de
Expired - Lifetime legal-status Critical Current

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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/401—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/44—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/681—Barrels or cylinders for single screws
DE69630441.4T 1995-12-27 1996-12-25 Wasser-Absorbierungsmittel und Verfahren und Vorrichtung zu dessen Herstellung Expired - Lifetime DE69630441T3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP34120095 1995-12-27
JP34120095 1995-12-27
EP96943288.9A EP0812873B2 (de) 1995-12-27 1996-12-25 Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellung
PCT/JP1996/003782 WO1997024394A1 (en) 1995-12-27 1996-12-25 Water absorbent and process and equipment for the production thereof

Publications (3)

Publication Number Publication Date
DE69630441D1 true DE69630441D1 (de) 2003-11-27
DE69630441T2 DE69630441T2 (de) 2004-08-12
DE69630441T3 DE69630441T3 (de) 2019-02-28

Family

ID=18344150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630441.4T Expired - Lifetime DE69630441T3 (de) 1995-12-27 1996-12-25 Wasser-Absorbierungsmittel und Verfahren und Vorrichtung zu dessen Herstellung

Country Status (4)

Country Link
US (1) US6071976A (de)
EP (1) EP0812873B2 (de)
DE (1) DE69630441T3 (de)
WO (1) WO1997024394A1 (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
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US6254990B1 (en) 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
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US8247491B2 (en) 2003-02-10 2012-08-21 Nippon Shokubai Co., Ltd. Water-absorbent resin composition and its production process
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JP4266710B2 (ja) * 2003-05-30 2009-05-20 株式会社日本触媒 吸水性樹脂の製造方法および鋤型混合装置
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EP1512417B1 (de) 2003-09-02 2013-06-19 Nippon Shokubai Co., Ltd. Teilchenförmige, wasserabsorbierende Harzzusammensetzung
US7872076B2 (en) * 2003-11-07 2011-01-18 Nippon Shokubai Co., Ltd. Particulate water-absorbent resin composition and its production process
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AU2005226426B2 (en) * 2004-03-29 2009-01-15 Nippon Shokubai Co., Ltd. Particulate water absorbing agent with water-absorbing resin as main component
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EP0812873B9 (de) 2004-09-01
EP0812873B2 (de) 2018-10-24
EP0812873A4 (de) 2000-03-15
WO1997024394A1 (en) 1997-07-10
EP0812873B1 (de) 2003-10-22
DE69630441T2 (de) 2004-08-12
US6071976A (en) 2000-06-06
EP0812873A1 (de) 1997-12-17

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