JPS5611929A - Foaming styrene resin particle - Google Patents

Foaming styrene resin particle

Info

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
Application number
JP8879779A
Other languages
Japanese (ja)
Inventor
Takeo Kudo
Fumiaki Kanega
Atsuo Sakai
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP8879779A priority Critical patent/JPS5611929A/en
Publication of JPS5611929A publication Critical patent/JPS5611929A/en
Pending legal-status Critical Current

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.
JP8879779A 1979-07-12 1979-07-12 Foaming styrene resin particle Pending JPS5611929A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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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