BE619477A - Process for obtaining thermoplastic polymers which can foam, obtained by diffusing a volatile and fluid foaming agent into polymer granules - Google Patents

Process for obtaining thermoplastic polymers which can foam, obtained by diffusing a volatile and fluid foaming agent into polymer granules

Info

Publication number
BE619477A
BE619477A BE619477A BE619477A BE619477A BE 619477 A BE619477 A BE 619477A BE 619477 A BE619477 A BE 619477A BE 619477 A BE619477 A BE 619477A BE 619477 A BE619477 A BE 619477A
Authority
BE
Belgium
Prior art keywords
diffusing
foam
volatile
foaming agent
thermoplastic polymers
Prior art date
Application number
BE619477A
Other languages
French (fr)
Inventor
Eugene Bruno Ulmanis
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BE619477A publication Critical patent/BE619477A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BE619477A 1961-06-27 1962-06-27 Process for obtaining thermoplastic polymers which can foam, obtained by diffusing a volatile and fluid foaming agent into polymer granules BE619477A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11999661A 1961-06-27 1961-06-27
FR902013A FR1332202A (en) 1961-06-27 1962-06-26 Process for obtaining thermoplastic polymers which can foam, obtained by diffusing a volatile and fluid foaming agent into polymer granules

Publications (1)

Publication Number Publication Date
BE619477A true BE619477A (en) 1962-12-27

Family

ID=66428624

Family Applications (2)

Application Number Title Priority Date Filing Date
BE619477A BE619477A (en) 1961-06-27 1962-06-27 Process for obtaining thermoplastic polymers which can foam, obtained by diffusing a volatile and fluid foaming agent into polymer granules
BE619476A BE619476A (en) 1961-06-27 1962-06-27 Process for preparing thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE619476A BE619476A (en) 1961-06-27 1962-06-27 Process for preparing thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules

Country Status (6)

Country Link
BE (2) BE619477A (en)
DE (2) DE1241975C2 (en)
FR (2) FR1332202A (en)
GB (2) GB988290A (en)
NL (2) NL280205A (en)
SE (2) SE313661B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1357038A (en) * 1970-12-28 1974-06-19 Sekisui Chemical Co Ltd Photodegradable polymer compositions
US3957936A (en) * 1971-07-22 1976-05-18 Raduner & Co., Ag High temperature process for modifying thermoplastic filamentous material
IT1066580B (en) * 1975-08-05 1985-03-12 Basf Ag PROCEDURE FOR THE PRODUCTION OF EXPANDABLE STYL POLYMERS IN THE FORM OF BALLS WITH GOOD WORKABILITY
JPH0768403B2 (en) * 1988-12-15 1995-07-26 東洋エンジニアリング株式会社 Method of manufacturing foam
US5049328A (en) * 1990-07-02 1991-09-17 Arco Chemical Technology, Inc. Purification, impregnation and foaming of polymer particles with carbon dioxide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910446A (en) * 1956-09-10 1959-10-27 Monsanto Chemicals Physical treatment of particulate foamable styrene polymer compositions
NL102233C (en) * 1958-12-17

Also Published As

Publication number Publication date
DE1241975C2 (en) 1973-12-13
FR1332202A (en) 1963-07-12
DE1241975B (en) 1967-06-08
NL280204A (en) 1900-01-01
FR1332201A (en) 1963-07-12
SE332071B (en) 1971-01-25
BE619476A (en) 1962-12-27
DE1241976B (en) 1967-06-08
NL280205A (en) 1900-01-01
GB988289A (en) 1965-04-07
GB988290A (en) 1965-04-07
SE313661B (en) 1969-08-18

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