DE3769711D1 - Verfahren zur herstellung von polyurethanschaeumen mit zonen unterschiedlicher staerke. - Google Patents

Verfahren zur herstellung von polyurethanschaeumen mit zonen unterschiedlicher staerke.

Info

Publication number
DE3769711D1
DE3769711D1 DE8787305878T DE3769711T DE3769711D1 DE 3769711 D1 DE3769711 D1 DE 3769711D1 DE 8787305878 T DE8787305878 T DE 8787305878T DE 3769711 T DE3769711 T DE 3769711T DE 3769711 D1 DE3769711 D1 DE 3769711D1
Authority
DE
Germany
Prior art keywords
zones
different thickness
polyurethane foams
producing polyurethane
producing
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 - Fee Related
Application number
DE8787305878T
Other languages
English (en)
Inventor
Werner August Bp Chemical Lidy
Rudolf Johann Bp Chem Tenhagen
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.)
Polyol International BV
Original Assignee
Polyol International BV
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 Polyol International BV filed Critical Polyol International BV
Application granted granted Critical
Publication of DE3769711D1 publication Critical patent/DE3769711D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/751—Mattresses, cushions
    • 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)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE8787305878T 1986-07-02 1987-07-02 Verfahren zur herstellung von polyurethanschaeumen mit zonen unterschiedlicher staerke. Expired - Fee Related DE3769711D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868616132A GB8616132D0 (en) 1986-07-02 1986-07-02 Polyurethane foams

Publications (1)

Publication Number Publication Date
DE3769711D1 true DE3769711D1 (de) 1991-06-06

Family

ID=10600437

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787305878T Expired - Fee Related DE3769711D1 (de) 1986-07-02 1987-07-02 Verfahren zur herstellung von polyurethanschaeumen mit zonen unterschiedlicher staerke.

Country Status (10)

Country Link
US (1) US4965029A (de)
EP (1) EP0251803B1 (de)
JP (1) JPH01500181A (de)
AU (1) AU595346B2 (de)
CA (1) CA1283765C (de)
DE (1) DE3769711D1 (de)
ES (1) ES2021713B3 (de)
GB (1) GB8616132D0 (de)
PT (1) PT85227B (de)
WO (1) WO1988000131A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638205A1 (de) * 1986-11-08 1988-05-11 Bayer Ag Verfahren zum herstellen von formteilen, insbesondere polstern, aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen reaktionsgemischen und anwendung dieses verfahrens fuer die herstellung von fahrzeugsitzpolstern mit seitlichen wangen
JPH07106167B2 (ja) * 1986-12-01 1995-11-15 株式会社ブリヂストン クツシヨン体
DE3724682A1 (de) * 1987-07-25 1989-02-02 Helmut Pelzer Schalldaemm- und absorptionselement zur auskleidung des innenraums von kraftfahrzeugen
DE3727131A1 (de) * 1987-08-14 1989-02-23 Bayer Ag Verfahren zum herstellen von schaumstoffpolstern aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen, entsprechend unterschiedlichen reaktionsgemischen
US5728406A (en) * 1989-07-11 1998-03-17 Amesbury Group, Inc. Apparatus for extruding a low density thermoplastic foam
ATE139928T1 (de) * 1989-12-11 1996-07-15 Hendersons Ind Pty Ltd Gegen zerstörung widerstandsfähiger sitz
GB9027902D0 (en) * 1990-12-21 1991-02-13 Polyol Int Bv Preparation of foam-in-fabric articles
AU650762B2 (en) * 1991-04-23 1994-06-30 Amesbury Group, Inc. Process for extruding low density foam using water blowing agent
US5585412A (en) * 1991-11-01 1996-12-17 Olin Corporation Process for preparing flexible CFC-free polyurethane foams using an encapsulated blowing agent
JP2824895B2 (ja) * 1993-12-22 1998-11-18 株式会社日本デキシー 断熱性紙製容器及びその製造方法
US5725916A (en) * 1994-12-19 1998-03-10 Nihon Dixie Company Limited Heat-insulating paper container and method for producing the same
FR2754536B1 (fr) * 1996-10-14 1999-01-22 Ecia Equip Composants Ind Auto Procede pour la preparation de mousse de polyurethane et mousse ainsi obtenue
CN1082008C (zh) * 1996-11-29 2002-04-03 日本得意纸品有限公司 绝热性纸制容器及其制造方法
US6200505B1 (en) 2000-07-31 2001-03-13 Bayer Corporation Method to improve pour-in place molding technology
DE102013020488A1 (de) * 2013-12-11 2015-06-11 Heyform Bramsche Gmbh Verfahren zum Herstellen eines Sandwich-Verbundbauteils
JP6600134B2 (ja) * 2014-11-25 2019-10-30 株式会社東洋クオリティワン クッションパッド

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229441A (en) * 1963-01-16 1966-01-18 Pullman Inc Process of insulating a wall structure
US3366718A (en) * 1963-07-23 1968-01-30 Toyo Tire & Rubber Co Manufacturing method of foamed plastic pipes
FR1539220A (fr) * 1967-04-06 1968-09-13 Elastomer Ag Procédé et dispositif pour la fabrication de sièges d'ameublement, de voitures et similaires, et sièges ainsi obtenus
US3873656A (en) * 1967-12-15 1975-03-25 Ici Ltd Production of laminar articles
US3960998A (en) * 1969-11-25 1976-06-01 Allen Samuel B Method for producing large rigid foam panels
DE2052907A1 (en) * 1970-10-28 1972-05-04 Tech Akustik Gmbh & Co Moulding foamed plastics seats - esp for automobiles having differing local properties
US3872199A (en) * 1971-06-16 1975-03-18 Champion Int Corp Method of manufacturing a foamed urethane structural product having high and low density portions
US3929948A (en) * 1971-11-03 1975-12-30 Gen Tire & Rubber Co Method for fabricating impact absorbing safety structure
IT1014232B (it) * 1974-05-28 1977-04-20 Stars Spa Procedimento per la fabbricazione di un imbottitura di resina sinte tica espansa per sedili partico larmente di autoveicoli
CA1086915A (en) * 1976-02-12 1980-10-07 Howard G. Ostfield Continous process for producing variable hardness polyurethane molded parts
US4246213A (en) * 1978-08-02 1981-01-20 Nissan Motor Company, Limited Method of producing a cover member for a safety air-cushion
US4190697A (en) * 1979-01-15 1980-02-26 Milsco Manufacturing Company Multidensity foam article and method of preparation
DE3102140A1 (de) * 1981-01-23 1982-08-19 Bayer Ag, 5090 Leverkusen Formteil, insbesondere polster fuer fahrzeugsitze, aus polyurethanschaumstoff mit zonen unterschiedlicher eindruckhaerte und verfahren zu seiner herstellung
CA1194660A (en) * 1981-06-27 1985-10-08 Rudolf J. Tenhagen Process for making polyurethane foam
US4405681A (en) * 1983-01-20 1983-09-20 Milsco Manufacturing Company Foam article and method of preparation
JPS61144315A (ja) * 1984-12-19 1986-07-02 Honda Motor Co Ltd 異硬度層を有するプラスチツクフオ−ム成形品の製造方法
JPS628784A (ja) * 1985-07-05 1987-01-16 本田技研工業株式会社 異硬度層を有するシ−トクツシヨンパツドの製造方法

Also Published As

Publication number Publication date
EP0251803A1 (de) 1988-01-07
CA1283765C (en) 1991-05-07
JPH01500181A (ja) 1989-01-26
AU595346B2 (en) 1990-03-29
WO1988000131A1 (en) 1988-01-14
AU7586287A (en) 1988-01-29
US4965029A (en) 1990-10-23
PT85227A (en) 1987-08-01
GB8616132D0 (en) 1986-08-06
PT85227B (pt) 1990-03-30
ES2021713B3 (es) 1991-11-16
EP0251803B1 (de) 1991-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee