GB1460621A - Manufacture of foams of mixtures of olefin polymers and styrene polymers - Google Patents

Manufacture of foams of mixtures of olefin polymers and styrene polymers

Info

Publication number
GB1460621A
GB1460621A GB1999874A GB1999874A GB1460621A GB 1460621 A GB1460621 A GB 1460621A GB 1999874 A GB1999874 A GB 1999874A GB 1999874 A GB1999874 A GB 1999874A GB 1460621 A GB1460621 A GB 1460621A
Authority
GB
United Kingdom
Prior art keywords
styrene
polymer
polymers
olefine
mixtures
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
GB1999874A
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of GB1460621A publication Critical patent/GB1460621A/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
    • C08J9/0061—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)

Abstract

1460621 Foamed mixtures of olefine polymers and styrene polymers BASF AG 7 May 1974 [8 May 1973 22 March 1974] 19998/74 Heading C3C A foam is made of a mixture of (A) an olefine polymer and (B) 10-95% by wt. of a styrene polymer by mixing the polymers with a volatile expanding agent in the presence in addition of 0À5-10% by wt. of (C) a hydrogenated styrene/ butadiene block polymer or (D) an olefine polymer grafted with styrene, at a temperature above the melting point of the polymer mixture and under a pressure which is above the vapour pressure of the expanding agent at the temperature of mixing and then extruding the mixture into a zone of lower pressure at which foaming takes place. The foam comprises the styrene polymer of particle size less than 50Á dispersed in a continuous phase of the olefine polymer. In the examples mixtures of poly ethylene or ethylene/vinyl acetate copolymer and polystyrene with hydrogenated styrene/ butadiene block polymer or polyethylene grafted with styrene and optionally talc were made and granulated, then mixed with methyl chloride and optionally butane or butene in an extruder and foamed through a sheeting die.
GB1999874A 1973-05-08 1974-05-07 Manufacture of foams of mixtures of olefin polymers and styrene polymers Expired GB1460621A (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
GB1460621A true GB1460621A (en) 1977-01-06

Family

ID=25765091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1999874A Expired GB1460621A (en) 1973-05-08 1974-05-07 Manufacture of foams of mixtures of olefin polymers 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2001042342A1 (en) * 1999-12-07 2001-06-14 Dow Global Technologies Inc. Hydrogenated vinyl aromatic polymer foams

Families Citing this family (2)

* 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
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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567209A (en) * 1984-09-24 1986-01-28 The Dow Chemical Company Foams of ionically associated blends of styrenic and ethylenic polymers
AU593217B2 (en) * 1984-09-24 1990-02-08 Dow Chemical Company, The 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
WO1986004593A1 (en) * 1985-02-04 1986-08-14 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
EP0191327A2 (en) * 1985-02-04 1986-08-20 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
EP0191327A3 (en) * 1985-02-04 1988-01-13 The Dow Chemical Company Lightly crosslinked polyethylene polystyrene blend foams and process for making
WO2001042342A1 (en) * 1999-12-07 2001-06-14 Dow Global Technologies Inc. Hydrogenated vinyl aromatic polymer foams
US6310112B1 (en) 1999-12-07 2001-10-30 The Dow Chemical Company Hydrogenated vinyl aromatic polymer foams

Also Published As

Publication number Publication date
NL7405693A (en) 1974-11-12
IT1010361B (en) 1977-01-10
ATA377874A (en) 1976-01-15
ES426042A1 (en) 1976-11-16
FR2228801A1 (en) 1974-12-06
JPS5032263A (en) 1975-03-28

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed