GB988290A - Improved process for making foamable thermoplastic polymers - Google Patents

Improved process for making foamable thermoplastic polymers

Info

Publication number
GB988290A
GB988290A GB24472/62A GB2447262A GB988290A GB 988290 A GB988290 A GB 988290A GB 24472/62 A GB24472/62 A GB 24472/62A GB 2447262 A GB2447262 A GB 2447262A GB 988290 A GB988290 A GB 988290A
Authority
GB
United Kingdom
Prior art keywords
segments
polymer
agent
agents
pentane
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
GB24472/62A
Other languages
English (en)
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
Publication of GB988290A publication Critical patent/GB988290A/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)
GB24472/62A 1961-06-27 1962-06-26 Improved process for making foamable thermoplastic polymers Expired GB988290A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11999661A 1961-06-27 1961-06-27
FR902013A FR1332202A (fr) 1961-06-27 1962-06-26 Procédé d'obtention de polymères thermoplastiques pouvant mousser, obtenus par diffusion d'un agent moussant volatil et fluide dans des granules de polymères

Publications (1)

Publication Number Publication Date
GB988290A true GB988290A (en) 1965-04-07

Family

ID=66428624

Family Applications (2)

Application Number Title Priority Date Filing Date
GB24472/62A Expired GB988290A (en) 1961-06-27 1962-06-26 Improved process for making foamable thermoplastic polymers
GB24424/62A Expired GB988289A (en) 1961-06-27 1962-06-26 Improved process for making foamable thermoplastic polymers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB24424/62A Expired GB988289A (en) 1961-06-27 1962-06-26 Improved process for making foamable thermoplastic polymers

Country Status (6)

Country Link
BE (2) BE619477A (de)
DE (2) DE1241975C2 (de)
FR (2) FR1332202A (de)
GB (2) GB988290A (de)
NL (2) NL280204A (de)
SE (2) SE332071B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB213211I5 (de) * 1970-12-28 1975-01-28
US3957936A (en) * 1971-07-22 1976-05-18 Raduner & Co., Ag High temperature process for modifying thermoplastic filamentous material
FR2320326A1 (fr) * 1975-08-05 1977-03-04 Basf Ag Procede de preparation de polymeres de styrene expansibles spheriques se pretant bien a la transformation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768403B2 (ja) * 1988-12-15 1995-07-26 東洋エンジニアリング株式会社 発泡体の製造方法
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 (de) * 1958-12-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB213211I5 (de) * 1970-12-28 1975-01-28
US3957936A (en) * 1971-07-22 1976-05-18 Raduner & Co., Ag High temperature process for modifying thermoplastic filamentous material
FR2320326A1 (fr) * 1975-08-05 1977-03-04 Basf Ag Procede de preparation de polymeres de styrene expansibles spheriques se pretant bien a la transformation

Also Published As

Publication number Publication date
SE313661B (de) 1969-08-18
NL280205A (de) 1900-01-01
SE332071B (de) 1971-01-25
BE619476A (fr) 1962-12-27
DE1241975C2 (de) 1973-12-13
BE619477A (fr) 1962-12-27
FR1332202A (fr) 1963-07-12
DE1241975B (de) 1967-06-08
NL280204A (de) 1900-01-01
FR1332201A (fr) 1963-07-12
DE1241976B (de) 1967-06-08
GB988289A (en) 1965-04-07

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