JPS52896A - Process for preparing polyurethanes - Google Patents

Process for preparing polyurethanes

Info

Publication number
JPS52896A
JPS52896A JP50077698A JP7769875A JPS52896A JP S52896 A JPS52896 A JP S52896A JP 50077698 A JP50077698 A JP 50077698A JP 7769875 A JP7769875 A JP 7769875A JP S52896 A JPS52896 A JP S52896A
Authority
JP
Japan
Prior art keywords
preparing polyurethanes
polyurethane
preparing
maintaining
specified
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
JP50077698A
Other languages
Japanese (ja)
Other versions
JPS5410033B2 (en
Inventor
Tadao Matsuo
Michiaki Izawa
Shunichi Komoto
Meikyo Katasaka
Noboru Kariya
Terunobu Maeda
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.)
NAADE KENKYUSHO KK
Mitsuboshi Belting Ltd
Original Assignee
NAADE KENKYUSHO KK
Mitsuboshi Belting 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 NAADE KENKYUSHO KK, Mitsuboshi Belting Ltd filed Critical NAADE KENKYUSHO KK
Priority to JP50077698A priority Critical patent/JPS52896A/en
Publication of JPS52896A publication Critical patent/JPS52896A/en
Publication of JPS5410033B2 publication Critical patent/JPS5410033B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)

Abstract

PURPOSE: A process for preparing a polyurethane with improved elasticity, mechanical strength, wear resistance, etc. by the use of a specified diamino compound as a chain extender and maintaining the proper curing speed at the time of polyurethane preparation.
COPYRIGHT: (C)1977,JPO&Japio
JP50077698A 1975-06-23 1975-06-23 Process for preparing polyurethanes Granted JPS52896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50077698A JPS52896A (en) 1975-06-23 1975-06-23 Process for preparing polyurethanes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50077698A JPS52896A (en) 1975-06-23 1975-06-23 Process for preparing polyurethanes

Publications (2)

Publication Number Publication Date
JPS52896A true JPS52896A (en) 1977-01-06
JPS5410033B2 JPS5410033B2 (en) 1979-05-01

Family

ID=13641104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50077698A Granted JPS52896A (en) 1975-06-23 1975-06-23 Process for preparing polyurethanes

Country Status (1)

Country Link
JP (1) JPS52896A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138232A (en) * 1974-09-30 1976-03-30 Hitachi Metals Ltd KAIHOSURIIBUOMOCHIITACHUZOHO
US4666685A (en) * 1986-05-09 1987-05-19 Amax Inc. Selective extraction of molybdenum and vanadium from spent catalysts by oxidative leaching with sodium aluminate and caustic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138232A (en) * 1974-09-30 1976-03-30 Hitachi Metals Ltd KAIHOSURIIBUOMOCHIITACHUZOHO
US4666685A (en) * 1986-05-09 1987-05-19 Amax Inc. Selective extraction of molybdenum and vanadium from spent catalysts by oxidative leaching with sodium aluminate and caustic

Also Published As

Publication number Publication date
JPS5410033B2 (en) 1979-05-01

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