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PT804328E - Processo e dispositivo para a producao de espuma por meio de um soluto de dioxido de carbono a pressao - Google Patents

Processo e dispositivo para a producao de espuma por meio de um soluto de dioxido de carbono a pressao

Info

Publication number
PT804328E
PT804328E PT95924975T PT95924975T PT804328E PT 804328 E PT804328 E PT 804328E PT 95924975 T PT95924975 T PT 95924975T PT 95924975 T PT95924975 T PT 95924975T PT 804328 E PT804328 E PT 804328E
Authority
PT
Portugal
Prior art keywords
solder
foam
production
pressure
carbon dioxide
Prior art date
Application number
PT95924975T
Other languages
English (en)
Inventor
Wilfried Ebeling
Robert Eiben
Althausen Ferdinand
Raffel Reiner
Original Assignee
Hennecke Gmbh
Bayer Ag
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
Priority claimed from DE4425319A external-priority patent/DE4425319A1/de
Priority claimed from DE19944445790 external-priority patent/DE4445790A1/de
Application filed by Hennecke Gmbh, Bayer Ag filed Critical Hennecke Gmbh
Publication of PT804328E publication Critical patent/PT804328E/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3469—Cell or pore nucleation
    • B29C44/3473—Cell or pore nucleation by shearing forces
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3469—Cell or pore nucleation
    • B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
PT95924975T 1994-07-18 1995-07-05 Processo e dispositivo para a producao de espuma por meio de um soluto de dioxido de carbono a pressao PT804328E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4425319A DE4425319A1 (de) 1994-07-18 1994-07-18 Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid
DE19944445790 DE4445790A1 (de) 1994-12-21 1994-12-21 Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid

Publications (1)

Publication Number Publication Date
PT804328E true PT804328E (pt) 2002-04-29

Family

ID=25938451

Family Applications (1)

Application Number Title Priority Date Filing Date
PT95924975T PT804328E (pt) 1994-07-18 1995-07-05 Processo e dispositivo para a producao de espuma por meio de um soluto de dioxido de carbono a pressao

Country Status (6)

Country Link
EP (1) EP0804328B1 (pt)
AU (1) AU2927295A (pt)
DE (1) DE59509728D1 (pt)
ES (1) ES2164158T3 (pt)
PT (1) PT804328E (pt)
WO (1) WO1996002376A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE204529T1 (de) * 1995-07-11 2001-09-15 Beamech Group Ltd Verfahren und vorrichtung zum herstellen von kunststoffschaum
US5830393A (en) * 1996-07-10 1998-11-03 Mitsui Chemicals, Inc. Process for preparing expanded product of thermoplastic resin
EP1275485B1 (en) * 1996-08-27 2005-05-11 Trexel Inc. Method for microcellular polymer extrusion
DE10030384A1 (de) * 2000-06-21 2002-01-03 Hennecke Gmbh Verfahren zur Herstellung von Blockschaum
DE102011050014A1 (de) 2011-04-29 2012-10-31 Bayer Materialscience Aktiengesellschaft Polyurethanschaum und Verfahren zu seiner Herstellung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235566B (de) * 1962-04-30 1967-03-02 Huels Chemische Werke Ag Vorrichtung zum Strangpressen von Schaumstoffprofilen
US3833202A (en) * 1972-12-07 1974-09-03 American Polymers Pre-die chamber for extrusion apparatus
JPS53124575A (en) * 1977-04-07 1978-10-31 Hitachi Chem Co Ltd Manufacture of polyolefin foam
US4337318A (en) * 1980-09-30 1982-06-29 Doyle Earl N Process for the total pre-expansion of polyurethane foam
US5055272A (en) * 1989-01-13 1991-10-08 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
AU1581292A (en) * 1991-03-25 1992-10-21 Dow Chemical Company, The Nondistorted polyolefin foam structures and process for making
US5356565A (en) * 1992-08-26 1994-10-18 Marathon Oil Company In-line foam generator for hydrocarbon recovery applications and its use
US5308879A (en) * 1992-09-07 1994-05-03 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing biodegradable resin foam
DE4422568C1 (de) * 1994-06-28 1996-02-15 Bayer Ag Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid

Also Published As

Publication number Publication date
DE59509728D1 (de) 2001-11-22
ES2164158T3 (es) 2002-02-16
EP0804328B1 (de) 2001-10-17
WO1996002376A1 (de) 1996-02-01
AU2927295A (en) 1996-02-16
EP0804328A1 (de) 1997-11-05

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