JPS57135814A - Production of styrene/methyl methacrylate copolymer - Google Patents
Production of styrene/methyl methacrylate copolymerInfo
- Publication number
- JPS57135814A JPS57135814A JP2178981A JP2178981A JPS57135814A JP S57135814 A JPS57135814 A JP S57135814A JP 2178981 A JP2178981 A JP 2178981A JP 2178981 A JP2178981 A JP 2178981A JP S57135814 A JPS57135814 A JP S57135814A
- Authority
- JP
- Japan
- Prior art keywords
- methyl methacrylate
- styrene
- polymerization
- stabilizer
- solvent
- 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
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
PURPOSE: To produce the titled copolymer leaving no deposition or scale on reactor walls, agitator or like areas and having a low degree of yellowing, by adding a solvent and a stabilizer to a polymerization mixture containing styrene and methyl methacrylate, copolymerizing the resulting mixture and subjecting the reaction mixture to a devolatilization treatment.
CONSTITUTION: To a polymerization mixture containing 10W90wt% styrene and 90W10wt% methyl methacrylate are added 3W25wt% solvent, b.p. 50W150°C, (e.g., benzene) and 0.05W0.4wt% stabilizer (e.g., 4-hydroxymethyl-2,6-di-t-butylphenol). The resulting mixture is fed to a plurality of polymerization zones consisting of a series of general-purpose reaction vessels and copolymerized at 120W180°C. The produced polymer is discharged while the copolymer concentration at the outlet of the final polymerization zone is maintained at 70W85wt%. Next, this reaction mixture is subjected to a devolatilization treatment at below 280°C and a diminished pressure of 5W500mmHg abs.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2178981A JPS57135814A (en) | 1981-02-17 | 1981-02-17 | Production of styrene/methyl methacrylate copolymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2178981A JPS57135814A (en) | 1981-02-17 | 1981-02-17 | Production of styrene/methyl methacrylate copolymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57135814A true JPS57135814A (en) | 1982-08-21 |
| JPS6135208B2 JPS6135208B2 (en) | 1986-08-12 |
Family
ID=12064824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2178981A Granted JPS57135814A (en) | 1981-02-17 | 1981-02-17 | Production of styrene/methyl methacrylate copolymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57135814A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126412A (en) * | 1983-01-10 | 1984-07-21 | Idemitsu Petrochem Co Ltd | After-treatment of styrene polymerization product and equipment therefor |
| JPS59126411A (en) * | 1983-01-10 | 1984-07-21 | Idemitsu Petrochem Co Ltd | After-treatment of styrene polymerization product |
| JPH04356508A (en) * | 1985-01-10 | 1992-12-10 | Rohm & Haas Co | Transparent solid polymerized article |
| US5565537A (en) * | 1992-06-17 | 1996-10-15 | Nippon Shokubai Co., Ltd. | Maleimide-based copolymer and process for producing it |
| US5980790A (en) * | 1997-03-04 | 1999-11-09 | Mitsubishi Gas Chemical Company, Inc. | Process for producing a copolymer |
| US6100366A (en) * | 1998-09-18 | 2000-08-08 | Nippon Shokubai Co., Ltd. | Cyclic imino ether group containing polymer and production process therefor |
| US6605682B2 (en) | 2000-03-31 | 2003-08-12 | Sumitomo Chemical Company, Limited | Resin molded article for optical product and light transmitting plate comprising the same |
| WO2003095499A1 (en) * | 2002-05-10 | 2003-11-20 | Ps Japan Corporation | Styrene polymer resin and composition thereof |
-
1981
- 1981-02-17 JP JP2178981A patent/JPS57135814A/en active Granted
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126412A (en) * | 1983-01-10 | 1984-07-21 | Idemitsu Petrochem Co Ltd | After-treatment of styrene polymerization product and equipment therefor |
| JPS59126411A (en) * | 1983-01-10 | 1984-07-21 | Idemitsu Petrochem Co Ltd | After-treatment of styrene polymerization product |
| JPH0373570B2 (en) * | 1983-01-10 | 1991-11-22 | Idemitsu Petrochemical Co | |
| JPH0525881B2 (en) * | 1983-01-10 | 1993-04-14 | Idemitsu Sekyu Kagaku Kk | |
| JPH04356508A (en) * | 1985-01-10 | 1992-12-10 | Rohm & Haas Co | Transparent solid polymerized article |
| US5565537A (en) * | 1992-06-17 | 1996-10-15 | Nippon Shokubai Co., Ltd. | Maleimide-based copolymer and process for producing it |
| US5980790A (en) * | 1997-03-04 | 1999-11-09 | Mitsubishi Gas Chemical Company, Inc. | Process for producing a copolymer |
| US6100366A (en) * | 1998-09-18 | 2000-08-08 | Nippon Shokubai Co., Ltd. | Cyclic imino ether group containing polymer and production process therefor |
| US6605682B2 (en) | 2000-03-31 | 2003-08-12 | Sumitomo Chemical Company, Limited | Resin molded article for optical product and light transmitting plate comprising the same |
| WO2003095499A1 (en) * | 2002-05-10 | 2003-11-20 | Ps Japan Corporation | Styrene polymer resin and composition thereof |
| US6933343B2 (en) | 2002-05-10 | 2005-08-23 | Ps Japan Corporation | Styrene polymer resin and composition thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6135208B2 (en) | 1986-08-12 |
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