JPS51135996A - Continuous process for pr oducing low molecular weight polypropylene - Google Patents

Continuous process for pr oducing low molecular weight polypropylene

Info

Publication number
JPS51135996A
JPS51135996A JP6061475A JP6061475A JPS51135996A JP S51135996 A JPS51135996 A JP S51135996A JP 6061475 A JP6061475 A JP 6061475A JP 6061475 A JP6061475 A JP 6061475A JP S51135996 A JPS51135996 A JP S51135996A
Authority
JP
Japan
Prior art keywords
oducing
molecular weight
low molecular
continuous process
weight polypropylene
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
JP6061475A
Other languages
Japanese (ja)
Inventor
Masaaki Sekino
Tsukasa Taniyama
Hiroyuki Hamada
Tomonobu Miyazaki
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP6061475A priority Critical patent/JPS51135996A/en
Publication of JPS51135996A publication Critical patent/JPS51135996A/en
Pending legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: Low-MW polypropylene (PP) is obtd. by continuously feeding high-MW PP into molten low-MW PP, thereby eliminating difficulties heretofore encountered in thermal conversion from high to low MW PP due to the extremely high melt viscosity of the former.
COPYRIGHT: (C)1976,JPO&Japio
JP6061475A 1975-05-20 1975-05-20 Continuous process for pr oducing low molecular weight polypropylene Pending JPS51135996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6061475A JPS51135996A (en) 1975-05-20 1975-05-20 Continuous process for pr oducing low molecular weight polypropylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6061475A JPS51135996A (en) 1975-05-20 1975-05-20 Continuous process for pr oducing low molecular weight polypropylene

Publications (1)

Publication Number Publication Date
JPS51135996A true JPS51135996A (en) 1976-11-25

Family

ID=13147313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6061475A Pending JPS51135996A (en) 1975-05-20 1975-05-20 Continuous process for pr oducing low molecular weight polypropylene

Country Status (1)

Country Link
JP (1) JPS51135996A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362804A (en) * 1989-07-28 1991-03-18 Sanyo Chem Ind Ltd Preparation of low molecular weight polyolefin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362804A (en) * 1989-07-28 1991-03-18 Sanyo Chem Ind Ltd Preparation of low molecular weight polyolefin

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