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BE775240A - METHOD AND APPARATUS FOR THE RAPID COOLING OF POLYMER FILMS - Google Patents

METHOD AND APPARATUS FOR THE RAPID COOLING OF POLYMER FILMS

Info

Publication number
BE775240A
BE775240A BE775240A BE775240A BE775240A BE 775240 A BE775240 A BE 775240A BE 775240 A BE775240 A BE 775240A BE 775240 A BE775240 A BE 775240A BE 775240 A BE775240 A BE 775240A
Authority
BE
Belgium
Prior art keywords
rapid cooling
polymer films
films
polymer
rapid
Prior art date
Application number
BE775240A
Other languages
French (fr)
Inventor
N I Steinberg
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BE775240A publication Critical patent/BE775240A/en

Links

Classifications

    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • 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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums
    • 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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Moulding By Coating Moulds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE775240A 1970-11-12 1971-11-12 METHOD AND APPARATUS FOR THE RAPID COOLING OF POLYMER FILMS BE775240A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8891170A 1970-11-12 1970-11-12

Publications (1)

Publication Number Publication Date
BE775240A true BE775240A (en) 1972-05-12

Family

ID=22214231

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775240A BE775240A (en) 1970-11-12 1971-11-12 METHOD AND APPARATUS FOR THE RAPID COOLING OF POLYMER FILMS

Country Status (6)

Country Link
JP (1) JPS5336506B1 (en)
BE (1) BE775240A (en)
DE (1) DE2156403A1 (en)
FR (1) FR2113924B1 (en)
GB (1) GB1313448A (en)
LU (1) LU64228A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118810004A (en) * 2024-09-20 2024-10-22 福建合信创展科技有限公司 A cooling processing equipment for micro-foam diffusion plate after extrusion molding

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2960815B1 (en) * 2010-06-02 2012-05-25 Jean Pierre Darlet COOLING ASSEMBLY OF A FILM OF SYNTHETIC MATERIAL
CN103085251B (en) * 2011-11-02 2015-02-11 中国石油化工股份有限公司 Device and method for extrusion casting, and biaxial tensile system and method for plastic film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118810004A (en) * 2024-09-20 2024-10-22 福建合信创展科技有限公司 A cooling processing equipment for micro-foam diffusion plate after extrusion molding

Also Published As

Publication number Publication date
FR2113924A1 (en) 1972-06-30
LU64228A1 (en) 1972-08-03
JPS5336506B1 (en) 1978-10-03
DE2156403A1 (en) 1972-05-18
GB1313448A (en) 1973-04-11
FR2113924B1 (en) 1977-08-05

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19901130