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IT1066580B - PROCEDURE FOR THE PRODUCTION OF EXPANDABLE STYL POLYMERS IN THE FORM OF BALLS WITH GOOD WORKABILITY - Google Patents

PROCEDURE FOR THE PRODUCTION OF EXPANDABLE STYL POLYMERS IN THE FORM OF BALLS WITH GOOD WORKABILITY

Info

Publication number
IT1066580B
IT1066580B IT50496/76A IT5049676A IT1066580B IT 1066580 B IT1066580 B IT 1066580B IT 50496/76 A IT50496/76 A IT 50496/76A IT 5049676 A IT5049676 A IT 5049676A IT 1066580 B IT1066580 B IT 1066580B
Authority
IT
Italy
Prior art keywords
styl
expandable
balls
polymers
procedure
Prior art date
Application number
IT50496/76A
Other languages
Italian (it)
Original Assignee
Basf Ag
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
Priority claimed from DE19752534833 external-priority patent/DE2534833A1/en
Priority claimed from DE19762621448 external-priority patent/DE2621448A1/en
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1066580B publication Critical patent/IT1066580B/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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT50496/76A 1975-08-05 1976-07-19 PROCEDURE FOR THE PRODUCTION OF EXPANDABLE STYL POLYMERS IN THE FORM OF BALLS WITH GOOD WORKABILITY IT1066580B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752534833 DE2534833A1 (en) 1975-08-05 1975-08-05 Spherical expandable styrene polymer particles prodn. - from rod shaped granules by heating under press. in aq. suspension at above softening point
DE19762621448 DE2621448A1 (en) 1976-05-14 1976-05-14 Spherical expandable styrene polymer particles prodn. - from rod shaped granules by heating under press. in aq. suspension at above softening point

Publications (1)

Publication Number Publication Date
IT1066580B true IT1066580B (en) 1985-03-12

Family

ID=25769237

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50496/76A IT1066580B (en) 1975-08-05 1976-07-19 PROCEDURE FOR THE PRODUCTION OF EXPANDABLE STYL POLYMERS IN THE FORM OF BALLS WITH GOOD WORKABILITY

Country Status (4)

Country Link
JP (1) JPS5219765A (en)
FR (1) FR2320326A1 (en)
IT (1) IT1066580B (en)
NL (1) NL7608672A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52117956A (en) * 1976-03-31 1977-10-03 Hitachi Chemical Co Ltd Process for manufacture of expandable polystyrene
JPS57191922U (en) * 1981-05-29 1982-12-06
JPS59194116U (en) * 1983-06-07 1984-12-24 クラリオン株式会社 magnetic head
JPS6196505A (en) * 1984-10-17 1986-05-15 Matsushita Electric Ind Co Ltd magnetic head

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL280204A (en) * 1961-06-27 1900-01-01
NL136877C (en) * 1963-03-27
US3285865A (en) * 1963-07-11 1966-11-15 Koppers Co Inc Expandable polymers
BE754520A (en) * 1969-08-06 1971-02-08 Hoechst Ag FOAM PRODUCTS AND PROCESS FOR THEIR MANUFACTURE
US3697454A (en) * 1970-08-27 1972-10-10 Sinclair Koppers Co Foamed polymer particles of distinctive shape and method of making same
US3819544A (en) * 1973-02-23 1974-06-25 Arco Polymers Inc Foamed particles for loose fill packaging

Also Published As

Publication number Publication date
JPS5219765A (en) 1977-02-15
FR2320326A1 (en) 1977-03-04
NL7608672A (en) 1977-02-08

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