IT1010361B - PROCESS FOR THE PREPARATION OF ESPANS FROM MIXTURES OF POLYOLEFINS AND STYRENE POLYMERS - Google Patents

PROCESS FOR THE PREPARATION OF ESPANS FROM MIXTURES OF POLYOLEFINS AND STYRENE POLYMERS

Info

Publication number
IT1010361B
IT1010361B IT22221/74A IT2222174A IT1010361B IT 1010361 B IT1010361 B IT 1010361B IT 22221/74 A IT22221/74 A IT 22221/74A IT 2222174 A IT2222174 A IT 2222174A IT 1010361 B IT1010361 B IT 1010361B
Authority
IT
Italy
Prior art keywords
espans
polyolefins
mixtures
preparation
styrene polymers
Prior art date
Application number
IT22221/74A
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 DE19732323031 external-priority patent/DE2323031A1/en
Priority claimed from DE2413863A external-priority patent/DE2413863A1/en
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1010361B publication Critical patent/IT1010361B/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • C08J2425/00—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
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • 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
    • C08J2425/00—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
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/08—Copolymers of styrene
    • C08J2425/10—Copolymers of styrene with conjugated dienes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT22221/74A 1973-05-08 1974-05-02 PROCESS FOR THE PREPARATION OF ESPANS FROM MIXTURES OF POLYOLEFINS AND STYRENE POLYMERS IT1010361B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732323031 DE2323031A1 (en) 1973-05-08 1973-05-08 Cellular materials for insulating buildings - based on mixture of polyolefin, styrene polymer, and third polymer
DE2413863A DE2413863A1 (en) 1974-03-22 1974-03-22 Cellular materials for insulating buildings - based on mixture of polyolefin, styrene polymer, and third polymer

Publications (1)

Publication Number Publication Date
IT1010361B true IT1010361B (en) 1977-01-10

Family

ID=25765091

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22221/74A IT1010361B (en) 1973-05-08 1974-05-02 PROCESS FOR THE PREPARATION OF ESPANS FROM MIXTURES OF POLYOLEFINS AND STYRENE POLYMERS

Country Status (7)

Country Link
JP (1) JPS5032263A (en)
AT (1) ATA377874A (en)
ES (1) ES426042A1 (en)
FR (1) FR2228801A1 (en)
GB (1) GB1460621A (en)
IT (1) IT1010361B (en)
NL (1) NL7405693A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452751A (en) * 1982-02-26 1984-06-05 The Dow Chemical Company Styrena polymer foam made with α-polyolefin additives
US4567209A (en) * 1984-09-24 1986-01-28 The Dow Chemical Company Foams of ionically associated blends of styrenic and ethylenic polymers
US4605682A (en) * 1985-02-04 1986-08-12 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
MXPA02005686A (en) * 1999-12-07 2004-09-10 Dow Global Technologies Inc Hydrogenated vinyl aromatic polymer foams.
JP2001310968A (en) * 2000-04-28 2001-11-06 Asahi Kasei Corp Blended polyethylene-polystyrene resin extrusion expanded moldings and process of manufacturing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE576200A (en) * 1958-03-07
NL130683C (en) * 1961-12-05 1971-02-15 Stamicarbon Improvement of the process for the manufacture of multicellular articles.
GB1214384A (en) * 1967-10-19 1970-12-02 Sumitomo Chemical Co Expandable styrene polymer compositions
NO136932C (en) * 1970-01-29 1977-11-30 Basf Ag IMPACT RESISTANT THERMO PLASTIC MIXTURE ON THE BASIS OF THE POLYSTYR

Also Published As

Publication number Publication date
NL7405693A (en) 1974-11-12
ES426042A1 (en) 1976-11-16
JPS5032263A (en) 1975-03-28
ATA377874A (en) 1976-01-15
GB1460621A (en) 1977-01-06
FR2228801A1 (en) 1974-12-06

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