JPS5235296A - Process and an apparatus for preparing polyisocyanate foams having iso tropic foam - Google Patents

Process and an apparatus for preparing polyisocyanate foams having iso tropic foam

Info

Publication number
JPS5235296A
JPS5235296A JP50111453A JP11145375A JPS5235296A JP S5235296 A JPS5235296 A JP S5235296A JP 50111453 A JP50111453 A JP 50111453A JP 11145375 A JP11145375 A JP 11145375A JP S5235296 A JPS5235296 A JP S5235296A
Authority
JP
Japan
Prior art keywords
foam
preparing polyisocyanate
polyisocyanate foams
tropic
iso
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.)
Granted
Application number
JP50111453A
Other languages
Japanese (ja)
Other versions
JPS5848338B2 (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.)
NIPPON SOFURAN KAKO KK
NIPPON SOFURAN KAKOU KK
Original Assignee
NIPPON SOFURAN KAKO KK
NIPPON SOFURAN KAKOU KK
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 NIPPON SOFURAN KAKO KK, NIPPON SOFURAN KAKOU KK filed Critical NIPPON SOFURAN KAKO KK
Priority to JP50111453A priority Critical patent/JPS5848338B2/en
Priority to AU85964/75A priority patent/AU483052B2/en
Priority to DE2547549A priority patent/DE2547549C3/en
Priority to CA75238253A priority patent/CA1048699A/en
Priority to GB43901/75A priority patent/GB1505286A/en
Priority to FR7532971A priority patent/FR2323518A1/en
Priority to IT28796/75A priority patent/IT1043738B/en
Publication of JPS5235296A publication Critical patent/JPS5235296A/en
Priority to US05/872,678 priority patent/US4160074A/en
Publication of JPS5848338B2 publication Critical patent/JPS5848338B2/en
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)

Abstract

PURPOSE: To prepare a polyisocyanate form having isotropic foams capable of changing their foaming direction, uniform properties in all directions and excellent dimensional stability.
COPYRIGHT: (C)1977,JPO&Japio
JP50111453A 1975-09-12 1975-09-12 Polyisocyanate Polyisocyanate Narabini Sonosouchi Expired JPS5848338B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP50111453A JPS5848338B2 (en) 1975-09-12 1975-09-12 Polyisocyanate Polyisocyanate Narabini Sonosouchi
AU85964/75A AU483052B2 (en) 1975-09-12 1975-10-23 A polyisocyanate foam having isotropic cells and method and apparatus therefor
DE2547549A DE2547549C3 (en) 1975-09-12 1975-10-23 Method and device for producing a polyisocyanate foam
CA75238253A CA1048699A (en) 1975-09-12 1975-10-24 Polyisocyanate foam having isotropic cells and method and apparatus therefor
GB43901/75A GB1505286A (en) 1975-09-12 1975-10-24 Polyisocyanate foam having isotropic cells and method and apparatus therefor
FR7532971A FR2323518A1 (en) 1975-09-12 1975-10-28 METHOD AND APPARATUS FOR MANUFACTURING POLYISOCYANATE FOAM WITH ISOTROPIC CELLS
IT28796/75A IT1043738B (en) 1975-09-12 1975-10-29 POLYTHOCYANATE FOAM WITH ISOTROPIC CELLS AND METHOD AND APPARATUS TO OBTAIN IT
US05/872,678 US4160074A (en) 1975-09-12 1978-01-26 Polyisocyanate foam having isotropic cells and method and apparatus for preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111453A JPS5848338B2 (en) 1975-09-12 1975-09-12 Polyisocyanate Polyisocyanate Narabini Sonosouchi

Publications (2)

Publication Number Publication Date
JPS5235296A true JPS5235296A (en) 1977-03-17
JPS5848338B2 JPS5848338B2 (en) 1983-10-27

Family

ID=14561594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50111453A Expired JPS5848338B2 (en) 1975-09-12 1975-09-12 Polyisocyanate Polyisocyanate Narabini Sonosouchi

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160809A (en) * 1986-12-25 1988-07-04 Human Ind Corp Batch type forming equipment for urethane foam slab
JP2011510841A (en) * 2008-01-31 2011-04-07 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト Method and apparatus for manufacturing slabstock foam

Families Citing this family (2)

* 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 (en) * 1979-07-19 1981-12-24 Röhm GmbH, 6100 Darmstadt Process for the production of a foam board

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160809A (en) * 1986-12-25 1988-07-04 Human Ind Corp Batch type forming equipment for urethane foam slab
JP2011510841A (en) * 2008-01-31 2011-04-07 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト Method and apparatus for manufacturing slabstock foam

Also Published As

Publication number Publication date
FR2323518A1 (en) 1977-04-08
DE2547549A1 (en) 1977-03-24
JPS5848338B2 (en) 1983-10-27
CA1048699A (en) 1979-02-13
DE2547549C3 (en) 1979-05-10
FR2323518B1 (en) 1979-04-06
DE2547549B2 (en) 1978-09-21
AU8596475A (en) 1977-05-19
GB1505286A (en) 1978-03-30
IT1043738B (en) 1980-02-29

Similar Documents

Publication Publication Date Title
YU69977A (en) Process for producing soft and extremely soft polyurethane foams
IE38469B1 (en) Process for the production of polyurethane foams
JPS5251497A (en) Improved process for preparing flame-retarded polyurethane foam having a low smoking property
DE3168850D1 (en) Foamable olefin polymer compositions stabilized with certain naphthyl amine compounds, foaming process using them and foam article produced
JPS5326899A (en) Process for producing high elastic polyurethane foam
EP0025549A3 (en) Process for producing resilient, flame-sealable and high-frequency weldable polyurethane foams, and the products obtained thereby
JPS5235296A (en) Process and an apparatus for preparing polyisocyanate foams having iso tropic foam
JPS52151395A (en) Foamed polyurethane excellent in waterrresistance and process for producing same
JPS52142765A (en) Foaming agent and process for manufacture of polymer foam material using it
JPS5228597A (en) Process for producing rigid urethane foams having extremely low densit y
JPS51139898A (en) A process for preparing a flame-retardant polyurethane foam
JPS51119795A (en) A process for preparing a novel aqueous polyurethane dispesion
JPS5328698A (en) Urethane foam excellent in waterrproof and process for producing same
JPS5215598A (en) Process for manufacturing a low density hard polyurethane foam with le ss brittleness
JPS5241178A (en) Foaming composition
JPS5250397A (en) Process for producing flame-retarded polyurethane foams
JPS51140998A (en) A process for manufacturing a rigid polyurethane foam
JPS5269496A (en) Production of rigid polyurethane foams
JPS543163A (en) Polyamide composition for foam molding
JPS52152999A (en) Preparation of modified urethane foam
GB1547396A (en) Process for preparing polyurethane foams
JPS5229899A (en) Process for producing non-rigid polyurethane foams
JPS5241697A (en) Process for producing low-density rigid polyisocyanurate foams
JPS51137798A (en) Foam controller for preparing polyurethane foams
JPS5363497A (en) Production of rigid polyurethane foam