JPS5611929A - Foaming styrene resin particle - Google Patents
Foaming styrene resin particleInfo
- Publication number
- JPS5611929A JPS5611929A JP8879779A JP8879779A JPS5611929A JP S5611929 A JPS5611929 A JP S5611929A JP 8879779 A JP8879779 A JP 8879779A JP 8879779 A JP8879779 A JP 8879779A JP S5611929 A JPS5611929 A JP S5611929A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- polymerization
- resin particle
- styrene resin
- foaming agent
- 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
Links
Abstract
PURPOSE:Titled particles obtained by impregnating styrene polymer particles with a specific compound to effect the polymerization, then adding an organic foaming agent, thus showing no uneven foaming at the surface and inner part of the particles and no fusing on the particle surfaces and having high mechanical strength because the cohesion between particles is good. CONSTITUTION:(A) (a) 97-50wt% of styrene polymer particles such as polystyrene is impregnated with (b) 3-50wt% of styrene monomer such as alpha-methylstyrene and (c) 0.4-5wt% of butyl acrylate so that the total of components a, b and c becomes 100% and then the polymerization is effected in an aqueous medium, preferably in the presence of a catalyst such as organic peroxide. The resultant particles A is treated with (B) an organic foaming agent such as propane so that the content is adjusted to 1-10wt% based on the resultant polymer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8879779A JPS5611929A (en) | 1979-07-12 | 1979-07-12 | Foaming styrene resin particle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8879779A JPS5611929A (en) | 1979-07-12 | 1979-07-12 | Foaming styrene resin particle |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5611929A true JPS5611929A (en) | 1981-02-05 |
Family
ID=13952842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8879779A Pending JPS5611929A (en) | 1979-07-12 | 1979-07-12 | Foaming styrene resin particle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5611929A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51146845A (en) * | 1975-06-12 | 1976-12-16 | Canon Inc | Photoelectric image recording cell |
WO2012121084A1 (en) * | 2011-03-04 | 2012-09-13 | 積水化成品工業株式会社 | Expanded composite polystyrene resin particles and molded foam thereof |
WO2013141169A1 (en) * | 2012-03-21 | 2013-09-26 | 積水化成品工業株式会社 | Automotive member |
JP2013199547A (en) * | 2012-03-23 | 2013-10-03 | Sekisui Plastics Co Ltd | Styrene-based foaming resin particle and foamed molding |
-
1979
- 1979-07-12 JP JP8879779A patent/JPS5611929A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51146845A (en) * | 1975-06-12 | 1976-12-16 | Canon Inc | Photoelectric image recording cell |
WO2012121084A1 (en) * | 2011-03-04 | 2012-09-13 | 積水化成品工業株式会社 | Expanded composite polystyrene resin particles and molded foam thereof |
JP5592558B2 (en) * | 2011-03-04 | 2014-09-17 | 積水化成品工業株式会社 | Composite polystyrene resin foamed particles and foamed molded articles thereof |
US9127135B2 (en) | 2011-03-04 | 2015-09-08 | Sekisui Plastics Co., Ltd. | Expanded composite polystyrene-based resin particles and expanded molded article thereof |
WO2013141169A1 (en) * | 2012-03-21 | 2013-09-26 | 積水化成品工業株式会社 | Automotive member |
JP5739057B2 (en) * | 2012-03-21 | 2015-06-24 | 積水化成品工業株式会社 | Automotive parts |
JP2013199547A (en) * | 2012-03-23 | 2013-10-03 | Sekisui Plastics Co Ltd | Styrene-based foaming resin particle and foamed molding |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040414 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040414 |
|
A72 | Notification of change in name of applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A721 Effective date: 20060215 |
|
A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20060215 |