FR1332201A - Process for the preparation of thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules - Google Patents

Process for the preparation of thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules

Info

Publication number
FR1332201A
FR1332201A FR902011A FR902011A FR1332201A FR 1332201 A FR1332201 A FR 1332201A FR 902011 A FR902011 A FR 902011A FR 902011 A FR902011 A FR 902011A FR 1332201 A FR1332201 A FR 1332201A
Authority
FR
France
Prior art keywords
diffusing
foamed
fluid
preparation
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.)
Expired
Application number
FR902011A
Other languages
French (fr)
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.)
Dow Chemical Co
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
Application granted granted Critical
Publication of FR1332201A publication Critical patent/FR1332201A/en
Expired legal-status Critical Current

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)
FR902011A 1961-06-27 1962-06-26 Process for the preparation of thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules Expired FR1332201A (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
FR1332201A true FR1332201A (en) 1963-07-12

Family

ID=66428624

Family Applications (2)

Application Number Title Priority Date Filing Date
FR902013A Expired 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
FR902011A Expired FR1332201A (en) 1961-06-27 1962-06-26 Process for the preparation of thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR902013A Expired 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

Country Status (6)

Country Link
BE (2) BE619476A (en)
DE (2) DE1241975C2 (en)
FR (2) FR1332202A (en)
GB (2) GB988289A (en)
NL (2) NL280204A (en)
SE (2) SE332071B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320326A1 (en) * 1975-08-05 1977-03-04 Basf Ag Spherical expandable styrene polymer particles prodn. - from rod shaped granules by heating under press. in aq. suspension at above softening point
EP0376064A2 (en) * 1988-12-15 1990-07-04 Toyo Engineering Corporation Method for producing a foamed resin
US5049328A (en) * 1990-07-02 1991-09-17 Arco Chemical Technology, Inc. Purification, impregnation and foaming of polymer particles with carbon dioxide

Families Citing this family (2)

* 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

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320326A1 (en) * 1975-08-05 1977-03-04 Basf Ag Spherical expandable styrene polymer particles prodn. - from rod shaped granules by heating under press. in aq. suspension at above softening point
EP0376064A2 (en) * 1988-12-15 1990-07-04 Toyo Engineering Corporation Method for producing a foamed resin
EP0376064A3 (en) * 1988-12-15 1990-12-05 Toyo Engineering Corporation Method for producing a foamed resin
US5133913A (en) * 1988-12-15 1992-07-28 Toyo Engineering Corporation Method for producing a foamed resin using a blowing and extracting agent
US5049328A (en) * 1990-07-02 1991-09-17 Arco Chemical Technology, Inc. Purification, impregnation and foaming of polymer particles with carbon dioxide

Also Published As

Publication number Publication date
FR1332202A (en) 1963-07-12
GB988289A (en) 1965-04-07
DE1241976B (en) 1967-06-08
DE1241975B (en) 1967-06-08
BE619476A (en) 1962-12-27
SE313661B (en) 1969-08-18
BE619477A (en) 1962-12-27
DE1241975C2 (en) 1973-12-13
NL280205A (en) 1900-01-01
SE332071B (en) 1971-01-25
GB988290A (en) 1965-04-07
NL280204A (en) 1900-01-01

Similar Documents

Publication Publication Date Title
FR89133E (en) Expandable particles of polymeric thermoplastic material containing a volatile fluid foaming agent and method of making such particles
FR1332201A (en) Process for the preparation of thermoplastic polymers which can be foamed by diffusing a fluid and volatile foaming agent into the polymer granules
FR1258508A (en) Method and device for the manufacture of plastic foam pipes having a smooth and compact outer surface
FR1335197A (en) Improved urethane foams and their preparation process
FR1367867A (en) Process for the preparation of a body of microcellular material
AU268909B2 (en) Process for making foamable thermoplastic polymers by diffusion ofa volatile fluid foaming agent into the polymer granules
AU267877B2 (en) Process for making foamable thermoplastic polymers by diffusion ofa volatile fluid foaming agent into the polymer granules
AU1935562A (en) Process for making foamable thermoplastic polymers by diffusion ofa volatile fluid foaming agent into the polymer granules
FR1299358A (en) Process for the preparation of copolymers of conjugated diolefins and acrylonitrile
FR1330500A (en) Process for the preparation of pigmented polymer compositions and compositions obtained
CA707812A (en) Process for making foamable thermoplastic polymers by diffusion of a volatile fluid foaming agent into the polymer granules
FR1294184A (en) Sealing device for nuclear reactor bed base
FR1307165A (en) Process and device for the granulation of plastic masses
Lebofsky The Lexicon of the Philadelphia Metropolitan Area
CH401460A (en) Molding process of plastic foam parts covered with plastic film
FR1341080A (en) Process for the polymerization of olefinically unsaturated hydrocarbons in a fluidized bed
FR1306903A (en) Method and molding device for the manufacture of plastic shoes
CA716120A (en) Process for making foamable thermo-plastic polymers by diffusion of a volatile fluid foaming agent into the polymer granules
FR1296727A (en) Process and device for predosing plastic granules intended for the formation of plastic masses of metered volume
FR1351915A (en) Process for the preparation of stabilized compositions of olefinically unsaturated hydrocarbon polymers and compositions thus obtained
FR1400863A (en) Process and device for the preparation of alkyl isocyanates
FR1433719A (en) Swelling agents used for the foaming of polymers and foamed polymers thus obtained
FR1340559A (en) Device for extrusion or injection molding of thermoplastic plastics
FR1320242A (en) Method and device for the manufacture of an elongated carrier element provided with a series of hollow spacers
Blow A study of rhetoric in the plays of Thomas Dekker