GB1459666A - Manufacture of resilient flexible foams of ethylene polymers - Google Patents

Manufacture of resilient flexible foams of ethylene polymers

Info

Publication number
GB1459666A
GB1459666A GB1944074A GB1944074A GB1459666A GB 1459666 A GB1459666 A GB 1459666A GB 1944074 A GB1944074 A GB 1944074A GB 1944074 A GB1944074 A GB 1944074A GB 1459666 A GB1459666 A GB 1459666A
Authority
GB
United Kingdom
Prior art keywords
grafted
ethylene
resilient flexible
manufacture
foamed
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
GB1944074A
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
Application filed by BASF SE filed Critical BASF SE
Publication of GB1459666A publication Critical patent/GB1459666A/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
    • C08J9/04—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
    • C08J9/141—Hydrocarbons
    • 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
    • C08J9/143—Halogen containing compounds
    • 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
    • C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2351/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond

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)
  • 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)

Abstract

1459666 Foamed grafted ethylene copolymers BASF AG 3 May 1974 [5 May 1973] 19440/74 Heading C3C A resilient flexible foam of an ethylene copolymer grafted with 2-70% by wt. of a vinyl ester of a saturated C 2-5 carboxylic acid is made by mixing the polymer with a volatile expanding agent at a temperature above the m.p. of the polymer and at a pressure preventing foaming and then extruding the mixture into a zone of lower pressure at which foaming takes place. In the examples a copolymer of ethylene and vinyl acetate or n-butyl acrylate which is grafted with vinyl acetate (prior to or during the mixing with expanding agent) is mixed with talc (as nucleating agent) methyl chloride and n-butane and foamed by extrusion, e.g. through a sheeting die.
GB1944074A 1973-05-05 1974-05-03 Manufacture of resilient flexible foams of ethylene polymers Expired GB1459666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2322693A DE2322693A1 (en) 1973-05-05 1973-05-05 Process for the production of elastic flexible foams from olefin polymers

Publications (1)

Publication Number Publication Date
GB1459666A true GB1459666A (en) 1976-12-22

Family

ID=5880060

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1944074A Expired GB1459666A (en) 1973-05-05 1974-05-03 Manufacture of resilient flexible foams of ethylene polymers

Country Status (7)

Country Link
JP (1) JPS5014765A (en)
BE (1) BE814543A (en)
DE (1) DE2322693A1 (en)
FR (1) FR2228081A1 (en)
GB (1) GB1459666A (en)
IT (1) IT1017567B (en)
NL (1) NL7405535A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370423A (en) 1981-09-18 1983-01-25 Bata Limited Fast-curing foamable composition based on ethylene terpolymers
US4391923A (en) 1982-09-27 1983-07-05 E. I. Du Pont De Nemours & Co. Low density closed-cell foamed articles from ethylene copolymer/vinyl or vinylidene halide blends
US4391922A (en) * 1982-05-06 1983-07-05 E. I. Du Pont De Nemours And Company Blowing agents as curatives for ethylene/carbon monoxide copolymers
US4394459A (en) 1981-09-18 1983-07-19 E. I. Du Pont De Nemours & Co. Fast-curing foamable composition based on ethylene terpolymers
US4434253A (en) 1982-09-27 1984-02-28 E. I. Du Pont De Nemours And Company Low density closed-cell foamed articles from ethylene copolymer/vinyl or vinylidene halide blends
US5869576A (en) * 1996-12-23 1999-02-09 Shell Oil Company Graft copolymerized compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1411704A (en) * 1964-04-29 1965-09-24 Pneumatiques, Caoutchouc Manufacture Et Plastiques Kleber Colombes Cellular polyolefins
DE2033007A1 (en) * 1970-07-03 1972-01-13 Basf Ag Process for the production of open cell foams from ethylene copolymers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370423A (en) 1981-09-18 1983-01-25 Bata Limited Fast-curing foamable composition based on ethylene terpolymers
US4394459A (en) 1981-09-18 1983-07-19 E. I. Du Pont De Nemours & Co. Fast-curing foamable composition based on ethylene terpolymers
US4391922A (en) * 1982-05-06 1983-07-05 E. I. Du Pont De Nemours And Company Blowing agents as curatives for ethylene/carbon monoxide copolymers
US4391923A (en) 1982-09-27 1983-07-05 E. I. Du Pont De Nemours & Co. Low density closed-cell foamed articles from ethylene copolymer/vinyl or vinylidene halide blends
US4434253A (en) 1982-09-27 1984-02-28 E. I. Du Pont De Nemours And Company Low density closed-cell foamed articles from ethylene copolymer/vinyl or vinylidene halide blends
US5869576A (en) * 1996-12-23 1999-02-09 Shell Oil Company Graft copolymerized compositions

Also Published As

Publication number Publication date
DE2322693A1 (en) 1974-11-21
IT1017567B (en) 1977-08-10
BE814543A (en) 1974-11-04
FR2228081A1 (en) 1974-11-29
NL7405535A (en) 1974-11-07
JPS5014765A (en) 1975-02-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee