FR2404653A1 - Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure - Google Patents

Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure

Info

Publication number
FR2404653A1
FR2404653A1 FR7729262A FR7729262A FR2404653A1 FR 2404653 A1 FR2404653 A1 FR 2404653A1 FR 7729262 A FR7729262 A FR 7729262A FR 7729262 A FR7729262 A FR 7729262A FR 2404653 A1 FR2404653 A1 FR 2404653A1
Authority
FR
France
Prior art keywords
contacting
polymeric
compsns
gas stream
hot gas
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.)
Pending
Application number
FR7729262A
Other languages
French (fr)
Inventor
Milton Sharples Greenhalgh
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to FR7729262A priority Critical patent/FR2404653A1/en
Publication of FR2404653A1 publication Critical patent/FR2404653A1/en
Pending 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/247—Heating methods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/14—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances cements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

A polymeric compsn. is cured by contacting its surface with a stream of gas heated to >=450 (600-1000) degrees F (or >= 425 degrees F in the case of a halogen-contg. polymer), flowing at >=3000(6000-10000)ft./min while under a pressure of >=45(75-200)psi., in an elongated chamber. The method is applicable to the curing of an elongated electrical conductor insulating covering. The heated gas effectively sweeps away all intermediate air or gas molecules between the stream and compsn. surface, which can obstruct efficient heat transfer. The curing rate obtd. is at least several times faster than achieved with satd. steam, and the high pressure and moisture penetration handicaps of steam are avoided. The appts. required is simple and inexpensive.
FR7729262A 1977-09-29 1977-09-29 Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure Pending FR2404653A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7729262A FR2404653A1 (en) 1977-09-29 1977-09-29 Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7729262A FR2404653A1 (en) 1977-09-29 1977-09-29 Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure

Publications (1)

Publication Number Publication Date
FR2404653A1 true FR2404653A1 (en) 1979-04-27

Family

ID=9195900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729262A Pending FR2404653A1 (en) 1977-09-29 1977-09-29 Rapid thermal curing of polymeric compsns. - by contacting with a high velocity hot gas stream under elevated pressure

Country Status (1)

Country Link
FR (1) FR2404653A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2207944A1 (en) * 1972-11-29 1974-06-21 Gen Electric

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2207944A1 (en) * 1972-11-29 1974-06-21 Gen Electric

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