JPS55115409A - Manufacture of thermoplastic resin particle - Google Patents

Manufacture of thermoplastic resin particle

Info

Publication number
JPS55115409A
JPS55115409A JP2287379A JP2287379A JPS55115409A JP S55115409 A JPS55115409 A JP S55115409A JP 2287379 A JP2287379 A JP 2287379A JP 2287379 A JP2287379 A JP 2287379A JP S55115409 A JPS55115409 A JP S55115409A
Authority
JP
Japan
Prior art keywords
maleic anhydride
resin particle
thermoplastic resin
styrene
treating
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
JP2287379A
Other languages
Japanese (ja)
Other versions
JPS5915132B2 (en
Inventor
Mutsuhiko Kajimura
Tetsuji Maeda
Akira Kawanami
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.)
Sekisui Kasei Co Ltd
Original Assignee
Sekisui Plastics 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 Sekisui Plastics Co Ltd filed Critical Sekisui Plastics Co Ltd
Priority to JP2287379A priority Critical patent/JPS5915132B2/en
Publication of JPS55115409A publication Critical patent/JPS55115409A/en
Publication of JPS5915132B2 publication Critical patent/JPS5915132B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a resin particle having excellent heat resistance and good sheet moldability by treating a styrene-maleic anhydride copolymer and a vinyl aromatic monomer in the presence of a binding monomer in an aqueous medium.
CONSTITUTION: A thermoplastic resin particle containing 2W10wt% of maleic anhydride is obtained by treating a mixture of a styrene-maleic anhydride copolymer containing 15W30wt% of maleic anhydride and having an average polymerization degree of 500 or more and vinyl aromatic monomer with a compound of the formula RX (wherein X is a functional group reactive to dicarbonyloxo group and R is an aliphatic residue group with one double bond) over a polymerization catalyst. When a foaming agent is added during or after the aforesaid treatment, an expansible thermoplastic resin particle is obtained. The preferred amount of the compound of the formula RX is 0.1W20mol%, preferably 0.2W10mol%, on the basis of maleic anhydride present in the copolymer.
COPYRIGHT: (C)1980,JPO&Japio
JP2287379A 1979-02-27 1979-02-27 Method for producing thermoplastic resin particles Expired JPS5915132B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2287379A JPS5915132B2 (en) 1979-02-27 1979-02-27 Method for producing thermoplastic resin particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2287379A JPS5915132B2 (en) 1979-02-27 1979-02-27 Method for producing thermoplastic resin particles

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP18405983A Division JPS5984932A (en) 1983-09-30 1983-09-30 Production of thermoplastic resin particle

Publications (2)

Publication Number Publication Date
JPS55115409A true JPS55115409A (en) 1980-09-05
JPS5915132B2 JPS5915132B2 (en) 1984-04-07

Family

ID=12094804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2287379A Expired JPS5915132B2 (en) 1979-02-27 1979-02-27 Method for producing thermoplastic resin particles

Country Status (1)

Country Link
JP (1) JPS5915132B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6168646U (en) * 1984-10-08 1986-05-10
KR100451776B1 (en) * 2002-01-05 2004-10-08 세원공업 주식회사 Travelling point lifter

Also Published As

Publication number Publication date
JPS5915132B2 (en) 1984-04-07

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