DK117989B - Fremgangsmåde ved varmebehandling af folier af termoplastiske, krystalliserbare, organiske polymer-materialer. - Google Patents

Fremgangsmåde ved varmebehandling af folier af termoplastiske, krystalliserbare, organiske polymer-materialer.

Info

Publication number
DK117989B
DK117989B DK511062AA DK511062A DK117989B DK 117989 B DK117989 B DK 117989B DK 511062A A DK511062A A DK 511062AA DK 511062 A DK511062 A DK 511062A DK 117989 B DK117989 B DK 117989B
Authority
DK
Denmark
Prior art keywords
crystallizable
thermoplastic
films
heat treatment
polymeric materials
Prior art date
Application number
DK511062AA
Other languages
Danish (da)
English (en)
Inventor
C Heffelfinger
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 DK117989B publication Critical patent/DK117989B/da

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DK511062AA 1961-11-28 1962-11-27 Fremgangsmåde ved varmebehandling af folier af termoplastiske, krystalliserbare, organiske polymer-materialer. DK117989B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US155331A US3257489A (en) 1961-11-28 1961-11-28 Process for improving gauge of organic, thermoplastic, crystallizable polymeric film by stretching during heat treating

Publications (1)

Publication Number Publication Date
DK117989B true DK117989B (da) 1970-06-22

Family

ID=22555010

Family Applications (1)

Application Number Title Priority Date Filing Date
DK511062AA DK117989B (da) 1961-11-28 1962-11-27 Fremgangsmåde ved varmebehandling af folier af termoplastiske, krystalliserbare, organiske polymer-materialer.

Country Status (8)

Country Link
US (1) US3257489A (de)
BE (1) BE625357A (de)
CH (1) CH413347A (de)
DE (1) DE1221788B (de)
DK (1) DK117989B (de)
GB (1) GB980979A (de)
LU (1) LU42713A1 (de)
NL (1) NL286015A (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634942A (de) * 1962-07-27 1900-01-01
US3397263A (en) * 1964-02-24 1968-08-13 Gulf Oil Corp Process for preparing smooth nylon film
US3321561A (en) * 1964-07-24 1967-05-23 Brown Machine Co Of Michigan Methods for treating organic plastic sheet to be differential pressure formed
DK120505B (da) * 1964-12-03 1971-06-07 Glanzstoff Ag Fremgangsmåde til fremstilling ved vakuumdybtrækningsmetoden af formlegemer af polyætylentereftalat.
US3341643A (en) * 1965-05-13 1967-09-12 Dow Chemical Co Method and apparatus for the preparation of thermoplastic resinous film
US3510552A (en) * 1965-09-15 1970-05-05 Nippon Rayon Kk Biaxially drawing polyamide film
DE1273193C2 (de) * 1965-11-25 1976-03-18 Enko Glanzstoff AG, 5600 Wuppertal Verwendung von formmassen aus polyaethylenterephthalat und polymeren olefinen fuer spritzgussmassen
GB1162677A (en) * 1965-11-26 1969-08-27 Agfa Gevaert Nv Process for making Isotropic Polymeric Film
USRE28554E (en) * 1966-12-06 1975-09-16 Flexible wrapping material
JPS4829540B1 (de) * 1969-03-27 1973-09-11
US3770537A (en) * 1969-10-20 1973-11-06 Minnesota Mining & Mfg Method for preparing a microporous sheet by heat-forming, annealing and leaching
JPS4918628B1 (de) * 1970-10-26 1974-05-11
US3697494A (en) * 1970-12-21 1972-10-10 Richardson Co Non-crazing, biaxially oriented styrene-methyl methacrylate copolymer sheets
JPS5130595B2 (de) * 1972-04-06 1976-09-01
CA1013913A (en) * 1972-07-19 1977-07-19 Maurice E. Beckham Balanced tensilized polyethylene terephthalate film
US4058582A (en) * 1973-05-30 1977-11-15 Celanese Corporation Simultaneous stretching of multiple plies of polymeric film
JPS533784B2 (de) * 1974-04-10 1978-02-09
GB1496267A (en) * 1974-09-27 1977-12-30 Teijin Ltd Greenhouse
JPS5529809B2 (de) * 1974-10-08 1980-08-06
JPS5522915A (en) * 1978-08-07 1980-02-19 Toray Ind Inc Manufacture of polyester film
CH641400A5 (de) * 1979-07-26 1984-02-29 Tetra Pak Dev Verfahren zur herstellung einer gereckten kunststoff-folie mit biaxialer molekuelorientierung.
US4238443A (en) * 1979-08-09 1980-12-09 E. I. Du Pont De Nemours And Company Process for transversely stretching polyethylene terephthalate film
US4432917A (en) * 1981-11-18 1984-02-21 Mobil Oil Corporation Method for improving thickness uniformity of stretch oriented polyacrylonitrile film
JPH059147Y2 (de) * 1986-05-20 1993-03-08
US11618602B1 (en) * 2022-03-10 2023-04-04 Henry G. Schirmer Process for making pouches having strong transverse shrinkage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688773A (en) * 1951-12-26 1954-09-14 Dow Chemical Co Dimensional stabilization of oriented thermoplastic films
GB781879A (en) * 1954-08-11 1957-08-28 Ici Ltd Improvements in and relating to the manufacture of films
US2916764A (en) * 1956-08-31 1959-12-15 Ici Ltd Apparatus including tube flattening rollers for inflating tubular film
BE581665A (de) * 1956-12-20 1900-01-01
US2995779A (en) * 1959-03-12 1961-08-15 Du Pont Treatment for polymeric film to restrain gauge variation

Also Published As

Publication number Publication date
DE1221788B (de) 1966-07-28
NL286015A (de) 1965-02-10
US3257489A (en) 1966-06-21
LU42713A1 (de) 1963-05-20
BE625357A (de) 1963-05-27
GB980979A (en) 1965-01-20
CH413347A (de) 1966-05-15

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