JPS5228597A - Process for producing rigid urethane foams having extremely low densit y - Google Patents

Process for producing rigid urethane foams having extremely low densit y

Info

Publication number
JPS5228597A
JPS5228597A JP50104770A JP10477075A JPS5228597A JP S5228597 A JPS5228597 A JP S5228597A JP 50104770 A JP50104770 A JP 50104770A JP 10477075 A JP10477075 A JP 10477075A JP S5228597 A JPS5228597 A JP S5228597A
Authority
JP
Japan
Prior art keywords
extremely low
rigid urethane
urethane foams
producing rigid
low densit
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.)
Pending
Application number
JP50104770A
Other languages
Japanese (ja)
Inventor
Koretoshi Katsuki
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.)
Toyo Quality One Corp
Original Assignee
Toyo Rubber Chemical Industrial 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 Toyo Rubber Chemical Industrial Co Ltd filed Critical Toyo Rubber Chemical Industrial Co Ltd
Priority to JP50104770A priority Critical patent/JPS5228597A/en
Publication of JPS5228597A publication Critical patent/JPS5228597A/en
Pending legal-status Critical Current

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  • Polyurethanes Or Polyureas (AREA)

Abstract

PURPOSE: To produce a rigid urethane foam having extremely low density by foaming it with forced stirring by the use of water as a blowing agent.
COPYRIGHT: (C)1977,JPO&Japio
JP50104770A 1975-08-29 1975-08-29 Process for producing rigid urethane foams having extremely low densit y Pending JPS5228597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50104770A JPS5228597A (en) 1975-08-29 1975-08-29 Process for producing rigid urethane foams having extremely low densit y

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50104770A JPS5228597A (en) 1975-08-29 1975-08-29 Process for producing rigid urethane foams having extremely low densit y

Publications (1)

Publication Number Publication Date
JPS5228597A true JPS5228597A (en) 1977-03-03

Family

ID=14389699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50104770A Pending JPS5228597A (en) 1975-08-29 1975-08-29 Process for producing rigid urethane foams having extremely low densit y

Country Status (1)

Country Link
JP (1) JPS5228597A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431499A (en) * 1977-08-15 1979-03-08 Toyo Rubber Chem Ind Co Ltd Preparation of polyurethane foam of low specific gravity
JPS6448815A (en) * 1987-08-19 1989-02-23 Mitsui Toatsu Chemicals Production of rigid polyurethane foam
JPH02268267A (en) * 1989-04-10 1990-11-01 Jeol Ltd Mass spectrometry

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969794A (en) * 1972-05-03 1974-07-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969794A (en) * 1972-05-03 1974-07-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431499A (en) * 1977-08-15 1979-03-08 Toyo Rubber Chem Ind Co Ltd Preparation of polyurethane foam of low specific gravity
JPS5645493B2 (en) * 1977-08-15 1981-10-27
JPS6448815A (en) * 1987-08-19 1989-02-23 Mitsui Toatsu Chemicals Production of rigid polyurethane foam
JPH02268267A (en) * 1989-04-10 1990-11-01 Jeol Ltd Mass spectrometry

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