GB9708863D0 - A process for extruding uPVC material - Google Patents

A process for extruding uPVC material

Info

Publication number
GB9708863D0
GB9708863D0 GBGB9708863.7A GB9708863A GB9708863D0 GB 9708863 D0 GB9708863 D0 GB 9708863D0 GB 9708863 A GB9708863 A GB 9708863A GB 9708863 D0 GB9708863 D0 GB 9708863D0
Authority
GB
United Kingdom
Prior art keywords
extruding
upvc material
upvc
extruding upvc
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.)
Granted
Application number
GBGB9708863.7A
Other versions
GB2314841A (en
GB2314841B (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.)
FOAMING TECHNOLOGY Ltd
Original Assignee
FOAMING TECHNOLOGY Ltd
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 FOAMING TECHNOLOGY Ltd filed Critical FOAMING TECHNOLOGY Ltd
Publication of GB9708863D0 publication Critical patent/GB9708863D0/en
Publication of GB2314841A publication Critical patent/GB2314841A/en
Application granted granted Critical
Publication of GB2314841B publication Critical patent/GB2314841B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J9/06—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 chemical blowing agent
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • C08J2327/00—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 a halogen; Derivatives of such polymers
    • C08J2327/02—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB9708863A 1996-07-04 1997-04-30 A blowing agent and a process for extruding plastics material Expired - Fee Related GB2314841B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE960489A IE960489A1 (en) 1996-07-04 1996-07-04 A process for extruding uPVC material

Publications (3)

Publication Number Publication Date
GB9708863D0 true GB9708863D0 (en) 1997-06-25
GB2314841A GB2314841A (en) 1998-01-14
GB2314841B GB2314841B (en) 2000-04-19

Family

ID=11041202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9708863A Expired - Fee Related GB2314841B (en) 1996-07-04 1997-04-30 A blowing agent and a process for extruding plastics material

Country Status (2)

Country Link
GB (1) GB2314841B (en)
IE (1) IE960489A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2921475A1 (en) 2014-03-18 2015-09-23 Lanxess Ltd. Blowing agent
BR112018077422B1 (en) 2016-07-20 2023-05-09 Solvay Sa CHEMICAL BLOWING AGENT, FOAMABLE POLYMER COMPOSITION, FOAMABLE PVC PLASTISOL COMPOSITION, PROCESSES FOR MANUFACTURING A POLYMER AND A PVC POLYMER, AND, FOAMED PVC
ES2760551T3 (en) 2017-04-11 2020-05-14 Armacell Entpr Gmbh & Co Kg Expansion system for flexible insulation foams
HUE064448T2 (en) 2017-07-20 2024-03-28 Solvay Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
EP3431536A1 (en) 2017-07-20 2019-01-23 Solvay Sa Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
EP3431534A1 (en) 2017-07-20 2019-01-23 Solvay Sa Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
WO2019016358A1 (en) 2017-07-20 2019-01-24 Solvay Sa Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
EP3431535A1 (en) 2017-07-20 2019-01-23 Solvay Sa Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
EP3431537A1 (en) 2017-07-20 2019-01-23 Solvay Sa Functionalized particulate bicarbonate as blowing agent, foamable polymer composition containing it, and its use in manufacturing a thermoplastic foamed polymer
JP7237922B2 (en) 2017-07-20 2023-03-13 ソルヴェイ（ソシエテ アノニム） Functionalized particulate bicarbonate as a blowing agent, expandable polymer compositions containing same, and use thereof in making thermoplastic expandable polymers
EP3473667A1 (en) 2017-10-17 2019-04-24 Solvay Sa Extrusion process for the preparation of alkali metal bicarbonate formulations using a functionalizing agent with a melting point lower than extrusion temperature

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT949642B (en) * 1971-01-18 1973-06-11 Bayer Ag ADDITIVES FOR POROPHORUS AGENTS AND RUBBER AND PLASTIC MIXTURES THAT CONTAIN THEM
US4360602A (en) * 1981-09-14 1982-11-23 The B. F. Goodrich Company Foamed chlorinated polyvinyl chloride and compositions for making same
JPH03146534A (en) * 1989-11-01 1991-06-21 Meiji Rubber & Chem Co Ltd Rigid vinyl chloride-based resin composition for expansion and foam therefrom and its production

Also Published As

Publication number Publication date
GB2314841A (en) 1998-01-14
IE960489A1 (en) 1998-01-14
GB2314841B (en) 2000-04-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee