JPS57143317A - Modifying and molding method of thermoplastic polyurethane resin - Google Patents

Modifying and molding method of thermoplastic polyurethane resin

Info

Publication number
JPS57143317A
JPS57143317A JP56027665A JP2766581A JPS57143317A JP S57143317 A JPS57143317 A JP S57143317A JP 56027665 A JP56027665 A JP 56027665A JP 2766581 A JP2766581 A JP 2766581A JP S57143317 A JPS57143317 A JP S57143317A
Authority
JP
Japan
Prior art keywords
polyurethane resin
thermoplastic polyurethane
modifying
molecular weight
component
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
JP56027665A
Other languages
Japanese (ja)
Other versions
JPH0125328B2 (en
Inventor
Masao Oobuchi
Mamoru Akimoto
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 Polyurethane Industry Co Ltd
Original Assignee
Nippon Polyurethane Industry 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 Nippon Polyurethane Industry Co Ltd filed Critical Nippon Polyurethane Industry Co Ltd
Priority to JP56027665A priority Critical patent/JPS57143317A/en
Publication of JPS57143317A publication Critical patent/JPS57143317A/en
Publication of JPH0125328B2 publication Critical patent/JPH0125328B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a molded polyurethane article having improved hardness and heat resistance stably, industrially and advantageously, by mixing a polyisocyanate compound having a specific molecular weight with a thermoplastic polyurethane resin, and hot molding the resultant mixture.
CONSTITUTION: (A) A previously molten thermoplastic polyurethane resin under heating is mixed with (B) a polyisocyanate compound preferably a reaction product of polytetramethylene ether glycol with hexamethylene diisocyanate, having a molecular weight ≥300 in an amount of preferably 5W20wt% based on the mixture of the components (A) with (B), and the resultant mixture is then extrusion or injection molded. The melting temperature of the component (A) is preferably 190W230°C, and that of the component (B) is preferably 100°C or below.
COPYRIGHT: (C)1982,JPO&Japio
JP56027665A 1981-02-28 1981-02-28 Modifying and molding method of thermoplastic polyurethane resin Granted JPS57143317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027665A JPS57143317A (en) 1981-02-28 1981-02-28 Modifying and molding method of thermoplastic polyurethane resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027665A JPS57143317A (en) 1981-02-28 1981-02-28 Modifying and molding method of thermoplastic polyurethane resin

Publications (2)

Publication Number Publication Date
JPS57143317A true JPS57143317A (en) 1982-09-04
JPH0125328B2 JPH0125328B2 (en) 1989-05-17

Family

ID=12227231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027665A Granted JPS57143317A (en) 1981-02-28 1981-02-28 Modifying and molding method of thermoplastic polyurethane resin

Country Status (1)

Country Link
JP (1) JPS57143317A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2919873A1 (en) * 2007-08-07 2009-02-13 Setup Performance Soc Par Acti POSTERTICULAR THERMOPLASTIC MATERIAL AFTER PROCESSING AND STABLE MOLDED ARTICLES WITH VERY HIGH TEMPERATURE OBTAINED AFTER PROCESSING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2919873A1 (en) * 2007-08-07 2009-02-13 Setup Performance Soc Par Acti POSTERTICULAR THERMOPLASTIC MATERIAL AFTER PROCESSING AND STABLE MOLDED ARTICLES WITH VERY HIGH TEMPERATURE OBTAINED AFTER PROCESSING
WO2009022076A3 (en) * 2007-08-07 2009-04-16 Setup Performance Thermoplastic material post-crosslinkable after transformation and moulded articles stable at a very high temperature and obtained after transformation

Also Published As

Publication number Publication date
JPH0125328B2 (en) 1989-05-17

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