FR2016661A1 - Manufacture of orientated, thin polyethylene film - Google Patents

Manufacture of orientated, thin polyethylene film

Info

Publication number
FR2016661A1
FR2016661A1 FR6929458A FR6929458A FR2016661A1 FR 2016661 A1 FR2016661 A1 FR 2016661A1 FR 6929458 A FR6929458 A FR 6929458A FR 6929458 A FR6929458 A FR 6929458A FR 2016661 A1 FR2016661 A1 FR 2016661A1
Authority
FR
France
Prior art keywords
sec
polyethylene film
stretched
orientated
manufacture
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.)
Withdrawn
Application number
FR6929458A
Other languages
English (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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2016661A1 publication Critical patent/FR2016661A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
FR6929458A 1968-08-30 1969-08-28 Manufacture of orientated, thin polyethylene film Withdrawn FR2016661A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75647668A 1968-08-30 1968-08-30

Publications (1)

Publication Number Publication Date
FR2016661A1 true FR2016661A1 (en) 1970-05-08

Family

ID=25043656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6929458A Withdrawn FR2016661A1 (en) 1968-08-30 1969-08-28 Manufacture of orientated, thin polyethylene film

Country Status (4)

Country Link
BE (1) BE738193A (fr)
DE (1) DE1944083A1 (fr)
FR (1) FR2016661A1 (fr)
NL (1) NL6913247A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006110A2 (fr) * 1978-03-31 1980-01-09 Union Carbide Corporation Procédé pour fabriquer des films à partir de copolymères de l'éthylène basse densité et d'hydrocarbure, film et procédé pour régler les propriétés optiques de ce film

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006110A2 (fr) * 1978-03-31 1980-01-09 Union Carbide Corporation Procédé pour fabriquer des films à partir de copolymères de l'éthylène basse densité et d'hydrocarbure, film et procédé pour régler les propriétés optiques de ce film
EP0006110A3 (en) * 1978-03-31 1980-02-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer, film and process for adjusting optical properties of this film
US4243619A (en) 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer

Also Published As

Publication number Publication date
BE738193A (fr) 1970-03-02
NL6913247A (fr) 1970-03-03
DE1944083A1 (de) 1970-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse