JPS55125129A - Production of foamable thermoplastic polymer particle - Google Patents
Production of foamable thermoplastic polymer particleInfo
- Publication number
- JPS55125129A JPS55125129A JP3267979A JP3267979A JPS55125129A JP S55125129 A JPS55125129 A JP S55125129A JP 3267979 A JP3267979 A JP 3267979A JP 3267979 A JP3267979 A JP 3267979A JP S55125129 A JPS55125129 A JP S55125129A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic polymer
- polymer particles
- particles
- agent
- foams
- 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
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
PURPOSE: To shorten the cooling time of foams produced from thermoplastic polymer particles thereby improve the production efficiency of the foams, by impregnating the thermoplastic polymer particles containing a blowing agent with a uncleating agent at a temperature higher than the softening point of the particles.
CONSTITUTION: A nucleating agent which is a nonionic surfactant, such as an ester of pentaerythritol, is added to thermoplastic polymer particles containing a blowing agent at a temperature higher than the softening point of the particles. The thermoplastic polymer particles are those of a polymer, such as polystyrene or a copolymer of styrene and other monomers, and are impregnated with a blowing agent, such as propane, butane or CH2Cl2, during or after polymerization of the polymer. For example, polystyrene particles are impregnated with 0.05W1.0wt%, based on the resin, of a nucleating agent at a temperature of 90W100°C. The foamable polymer particles thus produced have a cooling time shortened to half or below, as compared with polymer particles which do not contain the nucleating agent. Moreover, foams which do not expand or distort when released from molds can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3267979A JPS5921341B2 (en) | 1979-03-19 | 1979-03-19 | Method for producing expandable thermoplastic polymer particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3267979A JPS5921341B2 (en) | 1979-03-19 | 1979-03-19 | Method for producing expandable thermoplastic polymer particles |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55125129A true JPS55125129A (en) | 1980-09-26 |
JPS5921341B2 JPS5921341B2 (en) | 1984-05-19 |
Family
ID=12365551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3267979A Expired JPS5921341B2 (en) | 1979-03-19 | 1979-03-19 | Method for producing expandable thermoplastic polymer particles |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5921341B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992012848A1 (en) * | 1991-01-25 | 1992-08-06 | Bouchons A Champagne Sabate | Composition for use in the manufacture of corks and process for the manufacture of said composition |
JP2001220458A (en) * | 2000-02-08 | 2001-08-14 | Mitsubishi Kagaku Form Plastic Kk | Foamable styrenic resin particle |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61137964A (en) * | 1984-12-10 | 1986-06-25 | 株式会社ブリヂストン | Floor panel material |
JPS62146355A (en) * | 1985-12-20 | 1987-06-30 | 三菱油化バーデイツシエ株式会社 | Floor structure of concrete building |
JPS62253867A (en) * | 1986-04-23 | 1987-11-05 | 日本ゼオン株式会社 | Soundproof floor material |
JPS62253843A (en) * | 1986-04-25 | 1987-11-05 | サダシゲ特殊合板株式会社 | Wooden panel material |
JPS6311762A (en) * | 1986-06-30 | 1988-01-19 | サダシゲ特殊合板株式会社 | Wooden panel material |
-
1979
- 1979-03-19 JP JP3267979A patent/JPS5921341B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992012848A1 (en) * | 1991-01-25 | 1992-08-06 | Bouchons A Champagne Sabate | Composition for use in the manufacture of corks and process for the manufacture of said composition |
JP2001220458A (en) * | 2000-02-08 | 2001-08-14 | Mitsubishi Kagaku Form Plastic Kk | Foamable styrenic resin particle |
JP4653278B2 (en) * | 2000-02-08 | 2011-03-16 | 株式会社ジェイエスピー | Expandable styrene resin particles |
Also Published As
Publication number | Publication date |
---|---|
JPS5921341B2 (en) | 1984-05-19 |
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