JPS5241697A - Process for producing low-density rigid polyisocyanurate foams - Google Patents

Process for producing low-density rigid polyisocyanurate foams

Info

Publication number
JPS5241697A
JPS5241697A JP50118399A JP11839975A JPS5241697A JP S5241697 A JPS5241697 A JP S5241697A JP 50118399 A JP50118399 A JP 50118399A JP 11839975 A JP11839975 A JP 11839975A JP S5241697 A JPS5241697 A JP S5241697A
Authority
JP
Japan
Prior art keywords
polyisocyanurate foams
rigid polyisocyanurate
producing low
density rigid
density
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
JP50118399A
Other languages
Japanese (ja)
Other versions
JPS5344350B2 (en
Inventor
Masao Fukuda
Kosaburo Nagata
Yasushi Kumagai
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries 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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to JP50118399A priority Critical patent/JPS5241697A/en
Publication of JPS5241697A publication Critical patent/JPS5241697A/en
Publication of JPS5344350B2 publication Critical patent/JPS5344350B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)

Abstract

PURPOSE: A process for producing rigid polyisocyanurate foams by reacting polyols and organic polyisocyanates in the presence of trimerization catalysts, and halogenated hydrocarbons and water as foaming agents.
COPYRIGHT: (C)1977,JPO&Japio
JP50118399A 1975-09-30 1975-09-30 Process for producing low-density rigid polyisocyanurate foams Granted JPS5241697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118399A JPS5241697A (en) 1975-09-30 1975-09-30 Process for producing low-density rigid polyisocyanurate foams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118399A JPS5241697A (en) 1975-09-30 1975-09-30 Process for producing low-density rigid polyisocyanurate foams

Publications (2)

Publication Number Publication Date
JPS5241697A true JPS5241697A (en) 1977-03-31
JPS5344350B2 JPS5344350B2 (en) 1978-11-28

Family

ID=14735690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118399A Granted JPS5241697A (en) 1975-09-30 1975-09-30 Process for producing low-density rigid polyisocyanurate foams

Country Status (1)

Country Link
JP (1) JPS5241697A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275574U (en) * 1985-10-31 1987-05-14
JPS6392692U (en) * 1986-12-03 1988-06-15
JP2009149760A (en) * 2007-12-20 2009-07-09 Nippon Polyurethane Ind Co Ltd Method for producing rigid polyurethane foam

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084697A (en) * 1973-11-28 1975-07-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084697A (en) * 1973-11-28 1975-07-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275574U (en) * 1985-10-31 1987-05-14
JPS6392692U (en) * 1986-12-03 1988-06-15
JP2009149760A (en) * 2007-12-20 2009-07-09 Nippon Polyurethane Ind Co Ltd Method for producing rigid polyurethane foam

Also Published As

Publication number Publication date
JPS5344350B2 (en) 1978-11-28

Similar Documents

Publication Publication Date Title
NL191565C (en) Modified polyol, process for its preparation and process for the preparation of a flexible polyurethane foam.
EP0254097A3 (en) Catalyst mixtures for polyisocyanurate foam
GB1550258A (en) Low friability polyisocyanurate foams
IT1165630B (en) FOAM FOAMING PLANT PARTICULARLY FOR POLYURETHANE FOAMS
YU39091B (en) Process for the production of flexible extremely soft polyurethane foams
ES382507A1 (en) Hydrophilic polyurethane foams prepared from biuret containing polyisocyanates
GB1554291A (en) Process for the manufacture of highly elastic polyurethane foams
GB1031799A (en) Foamed plastic sorbent material and method for producing same
JPS52152999A (en) Preparation of modified urethane foam
JPS5217598A (en) Process for producing flame-resisting polyurethane foams
JPS5228597A (en) Process for producing rigid urethane foams having extremely low densit y
JPS5431475A (en) Manufacture of both granular foam of crosslinked polyolefinic resin and formed product
FR2299351A1 (en) PROCESS FOR THE PREPARATION OF RIGID NON-FRIABLE POLYURETHANE FOAM
ES470307A1 (en) Polyol composition
JPS5250397A (en) Process for producing flame-retarded polyurethane foams
JPS52119697A (en) Formation of foams from polyurethane emulsions
JPS5246026A (en) Process for preparation of isocyanate compounds
JPS5363497A (en) Production of rigid polyurethane foam
JPS51137799A (en) Foam controller for prep aring polyurethane foams
JPS5725313A (en) Production of low-density rigid polyurethane foam
JPS5437198A (en) Preparation of soft mold polyurethane foam
JPS52153000A (en) Preparation of modified urethane foam
JPS526799A (en) Process for producing polyurethane foams
JPS5431498A (en) Preparation of polyurethane foam
JPS5250395A (en) Method for recovring olyurethane resins