JPS55115409A - Manufacture of thermoplastic resin particle - Google Patents
Manufacture of thermoplastic resin particleInfo
- 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
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
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)
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 |
-
1979
- 1979-02-27 JP JP2287379A patent/JPS5915132B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5915132B2 (en) | 1984-04-07 |
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