CA2114624A1 - Three stage cooling of porous materials - Google Patents

Three stage cooling of porous materials

Info

Publication number
CA2114624A1
CA2114624A1 CA002114624A CA2114624A CA2114624A1 CA 2114624 A1 CA2114624 A1 CA 2114624A1 CA 002114624 A CA002114624 A CA 002114624A CA 2114624 A CA2114624 A CA 2114624A CA 2114624 A1 CA2114624 A1 CA 2114624A1
Authority
CA
Canada
Prior art keywords
air
cooling
ambient air
polyurethane
foam material
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.)
Abandoned
Application number
CA002114624A
Other languages
English (en)
French (fr)
Inventor
Michael A. Ricciardi
Dzung G. Dai
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.)
Foamex LP
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2114624A1 publication Critical patent/CA2114624A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/58Moulds
    • B29C44/588Moulds with means for venting, e.g. releasing foaming gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3402Details of processes or apparatus for reducing environmental damage or for working-up compositions comprising inert blowing agents or biodegradable components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5609Purging of residual gas, e.g. noxious or explosive blowing agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/918Physical aftertreatment of a cellular product

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Molding Of Porous Articles (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Laminated Bodies (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
CA002114624A 1991-07-31 1992-07-30 Three stage cooling of porous materials Abandoned CA2114624A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US738,402 1991-07-31
US07/738,402 US5171756A (en) 1991-07-31 1991-07-31 Three stage cooling of porous materials

Publications (1)

Publication Number Publication Date
CA2114624A1 true CA2114624A1 (en) 1993-02-18

Family

ID=24967856

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002114624A Abandoned CA2114624A1 (en) 1991-07-31 1992-07-30 Three stage cooling of porous materials

Country Status (12)

Country Link
US (1) US5171756A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0597914A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH06509600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1069985A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (2) AU667052B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR9206326A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2114624A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IE (1) IE922505A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX9204461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ243647A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW221823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1993003079A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373028A (en) * 1991-08-20 1994-12-13 The Dow Chemical Company Polyurethane foams having reduced visible emissions during curing
US5409649A (en) * 1992-07-22 1995-04-25 L&P Property Management Company Method of forming foam buns having no skin on a surface
US5382602A (en) * 1993-06-09 1995-01-17 Duffy; Robert D. Flexible slabstock polyurethane foam formulation for a rapid-cool process
US6022205A (en) * 1998-07-06 2000-02-08 Tas Enterprise, L.L.C. System for producing and conditioning blocks of flexible polyurethane foam
US7008973B2 (en) * 2003-01-14 2006-03-07 Pabu Services, Inc. Vacuum cooled foams
US20070078193A1 (en) * 2005-08-31 2007-04-05 Gilder Stephen D Strut-reinforced, reduced VOC polyurethane foam
US20070066697A1 (en) * 2005-08-31 2007-03-22 Gilder Stephen D Strut-reinforced polyurethane foam
US20100174006A1 (en) * 2005-09-20 2010-07-08 Sleep Innovations, Inc. Strut-Reinforced, Reduced VOC Polyurethane Foam
EP2425954B1 (en) * 2009-04-28 2016-03-30 Asahi Kasei Construction Materials Corporation Device for forming thermosetting resin foam plate and method of manufacturing thermosetting resin foam plate
CN103522481B (zh) * 2013-10-27 2016-06-22 哈尔滨新金东海绵制造有限公司 软质pu圆泡的后处理装置及处理方法
CN107234772A (zh) * 2017-06-26 2017-10-10 苏州派艾格包装材料有限公司 一种用于发泡机的冷却塑化架
DE102018209421A1 (de) * 2018-06-13 2019-12-19 Albrecht Bäumer GmbH & Co.KG Spezialmaschinenfabrik Vorrichtung zum Lagern und Transport von großvolumigen Schaumstoffblöcken
KR200498086Y1 (ko) * 2021-08-30 2024-06-20 주식회사 디와이이엔지 과자 제조장치의 냉각 터널장치
CN114425506A (zh) * 2021-12-31 2022-05-03 江苏御科机械有限公司 水下作业特殊场合下的高可靠性起重葫芦的生产方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061885A (en) * 1959-09-08 1962-11-06 Goodyear Tire & Rubber Treatment of polyurethane foams
US3890414A (en) * 1971-02-22 1975-06-17 Michael Anthony Ricciardi Rapid cooling process for improving quality of polyurethane foam
US3874830A (en) * 1973-05-16 1975-04-01 Maryland Cup Corp Apparatus for post treating preformed foam containers
DE2456421A1 (de) * 1974-11-29 1976-08-12 Continental Gummi Werke Ag Verfahren zur verhuetung von selbstentzuendungen in polyurethan-schaumstoffbloecken und einrichtung zur durchfuehrung des verfahrens
US4228076A (en) * 1978-02-10 1980-10-14 Foam Cutting Engineers, Inc. Method of densifying open-celled polyurethane material
USRE32032E (en) * 1978-02-10 1985-11-19 Foam Cutting Engineers, Inc. Method of densifying open-celled polyurethane material
JPS54163969A (en) * 1978-02-10 1979-12-27 Foam Cutting Eng Method of densifying open cell polyurethane material
US4344903A (en) * 1978-07-31 1982-08-17 Pascouet Maurice Y Method of making a cellular polymeric resin body in a self contained high-pressure mold form
DE2945856A1 (de) * 1979-11-14 1981-05-27 Bayer Ag, 5090 Leverkusen Verfahren und anlage zum herstellen von schaumstoffbloecken
IT1138636B (it) * 1981-09-25 1986-09-17 Giuseppe Ponzielli Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento
US4537912A (en) * 1984-09-05 1985-08-27 Reeves Brothers, Inc. Process for rapid curing of polyether polyurethane foam
JPS61155265A (ja) * 1984-12-26 1986-07-14 住友重機械工業株式会社 超臨界流体により成形体中のバインダ−を除去する方法
GB8500053D0 (en) * 1985-01-03 1985-02-13 Hyman Int Ltd Foam production
GB8912701D0 (en) * 1989-06-02 1989-07-19 Hyman Int Ltd Production of porous materials

Also Published As

Publication number Publication date
NZ243647A (en) 1993-10-26
MX9204461A (es) 1993-04-01
CN1069985A (zh) 1993-03-17
IE922505A1 (en) 1993-02-10
AU667052B2 (en) 1996-03-07
EP0597914A1 (en) 1994-05-25
EP0597914A4 (en) 1994-06-15
BR9206326A (pt) 1995-05-30
US5171756A (en) 1992-12-15
AU2394692A (en) 1993-03-02
TW221823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-03-21
AU5586396A (en) 1996-08-15
JPH06509600A (ja) 1994-10-27
WO1993003079A1 (en) 1993-02-18

Similar Documents

Publication Publication Date Title
CA2114624A1 (en) Three stage cooling of porous materials
US5114989A (en) Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom
US5194453A (en) Method for the manufacture of flexible polyurethane foam
US20070066697A1 (en) Strut-reinforced polyurethane foam
SK54394A3 (en) Method and device for the continuous manufacture of foam polyurethane slabs within a predetermined pressure range
EP0637605A1 (en) Process for forming polyurethane foam using mechanical cooling and an additive
CA1335386C (en) Polyisocyanate compositions
CA1248722A (en) Process for rapid curing of polyether polyurethane foam
RU2263687C2 (ru) Способ получения от мягких до полужестких полиуретановых интегральных пенопластов
CA2213564A1 (en) Foamable polyurethane preparations which exhibit good flow behavior, anda process for producing foamed polyurethane moldings
US5686501A (en) Breathable open cell urethane polymers
CA2017991A1 (en) Controlled cooling of porous materials
WO1986004017A1 (en) Foam production
EP3303434B1 (en) Methods for preparing open-celled polyurethane foams, systems for use therein, and open-celled polyurethane foams produced thereby
US6261491B1 (en) Method for producing and conditioning blocks of flexible polyurethane foam
CA2055688C (en) Flexible polyurethane foams and process for preparing them
US5397811A (en) Flexible polyurethane foams and process for preparing them
US3471417A (en) Flexible urethane foams from crude polyisocyanates
US5340845A (en) Process for preparing low-density flexible polyurethane foams, and the polyurethane foams obtained
US4981878A (en) Process for the production of heat curable flexible polyurethane molded foams
JPH05287047A (ja) ポリウレタンフォームの製造法
EP0553917A2 (en) Flexible polyurethane foams and the procedure for their preparation
HK1004897B (en) An isocyanate-terminated prepolymer and flexible polyurethane foam prepared therefrom
HK1153214A (en) Production of flame-proof soft molded polyurethane foams

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20020730