CA1048699A - Mousse de polyisocyanate a cellules isotropes, methode et appareillage pour sa fabrication - Google Patents

Mousse de polyisocyanate a cellules isotropes, methode et appareillage pour sa fabrication

Info

Publication number
CA1048699A
CA1048699A CA75238253A CA238253A CA1048699A CA 1048699 A CA1048699 A CA 1048699A CA 75238253 A CA75238253 A CA 75238253A CA 238253 A CA238253 A CA 238253A CA 1048699 A CA1048699 A CA 1048699A
Authority
CA
Canada
Prior art keywords
foam
mould
composition
foaming
free
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
Application number
CA75238253A
Other languages
English (en)
Inventor
Hiroshi Komada
Kuniyasu Nakamura
Ryoichi Miyagaki
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.)
Nihon Soflan Chemical and Engineering Co Ltd
Original Assignee
Nihon Soflan Chemical and Engineering 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
Application filed by Nihon Soflan Chemical and Engineering Co Ltd filed Critical Nihon Soflan Chemical and Engineering Co Ltd
Application granted granted Critical
Publication of CA1048699A publication Critical patent/CA1048699A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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
    • B29C44/10—Applying counter-pressure during expanding

Landscapes

  • Polyurethanes Or Polyureas (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
CA75238253A 1975-09-12 1975-10-24 Mousse de polyisocyanate a cellules isotropes, methode et appareillage pour sa fabrication Expired CA1048699A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111453A JPS5848338B2 (ja) 1975-09-12 1975-09-12 トウホウセイキホウオユウスルポリイソシアネ−トケイハツポウタイノセイゾウホウホウ ナラビニ ソノソウチ

Publications (1)

Publication Number Publication Date
CA1048699A true CA1048699A (fr) 1979-02-13

Family

ID=14561594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA75238253A Expired CA1048699A (fr) 1975-09-12 1975-10-24 Mousse de polyisocyanate a cellules isotropes, methode et appareillage pour sa fabrication

Country Status (6)

Country Link
JP (1) JPS5848338B2 (fr)
CA (1) CA1048699A (fr)
DE (1) DE2547549C3 (fr)
FR (1) FR2323518A1 (fr)
GB (1) GB1505286A (fr)
IT (1) IT1043738B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104346A (en) * 1976-07-29 1978-08-01 The Upjohn Company Process for molding a substantially isotropic isocyanate-based polymer foam bun
DE2929165C2 (de) * 1979-07-19 1981-12-24 Röhm GmbH, 6100 Darmstadt Verfahren zur Herstellung einer Schaumstoffplatte
JPS63160809A (ja) * 1986-12-25 1988-07-04 Human Ind Corp ウレタンフオ−ムスラブのバツチ式発泡装置
DE102008007078B3 (de) * 2008-01-31 2009-05-28 Bayer Materialscience Ag Verfahren und Vorrichtung zur Herstellung von Blockschaumstoff

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250060A (en) * 1975-10-20 1977-04-21 Kyowa Shinku Gijutsu Kk Vacuum defreezing process for freezed substance and its apparatus

Also Published As

Publication number Publication date
JPS5235296A (en) 1977-03-17
DE2547549A1 (de) 1977-03-24
DE2547549B2 (de) 1978-09-21
JPS5848338B2 (ja) 1983-10-27
AU8596475A (en) 1977-05-19
FR2323518A1 (fr) 1977-04-08
GB1505286A (en) 1978-03-30
FR2323518B1 (fr) 1979-04-06
DE2547549C3 (de) 1979-05-10
IT1043738B (it) 1980-02-29

Similar Documents

Publication Publication Date Title
US4726086A (en) Composite foam seat cushion and method of preparation
US4579700A (en) Novel process for making flexible polyurethane cellular products including a novel cell opening technique
US3249486A (en) Method and apparatus for producing foamed synthetic resins
US3000058A (en) Method of fabricating refrigerator doors
US3574150A (en) Open-pore polyurethane product
CA2134236C (fr) Methode servant a faconner des materiaux de recouvrement
US4088723A (en) Method of preparing honeycomb insulation structure
JPS6237998B2 (fr)
US3390214A (en) Process for the manufacture of composite foamed plastic articles
CA1048699A (fr) Mousse de polyisocyanate a cellules isotropes, methode et appareillage pour sa fabrication
US5834527A (en) Process for the manufacture of polyurethane foam moldings
US4014967A (en) Method and mold for the discontinuous production of foam plastic parts
MXPA00003947A (es) Metodo para fabricar nucleo de material de aislamiento al vacio.
US4717518A (en) Novel process for making polyurethane products which require reduced crushing in preventing said products from substantially shrinking or changing dimensionally upon cooling
US4160074A (en) Polyisocyanate foam having isotropic cells and method and apparatus for preparing same
GB1341886A (en) Moulded multiple density polurethane foam
US4243761A (en) Panel formed from a phenolic resin and a method for its manufacture
US4096219A (en) Process for production of foamed shaped pieces with poreless surface made by the molding process
KR810000813B1 (ko) 등방성(等方性)기포를 갖는 폴리이소시안네이트계 발포체의 제조방법
US3514507A (en) Method for producing molded articles from foamed compositions
US4205137A (en) Basic material for making a porous material for seals
USRE27917E (en) Open-pore polyurethane product
KR100364999B1 (ko) 개방셀 폴리우레탄폼 코어를 제조하는 방법
JPS593876Y2 (ja) 発泡合成樹脂用成形型
JPS6010820Y2 (ja) 発泡合成樹脂用成形型