IE33524B1 - Process for the production of a polyethylene film - Google Patents

Process for the production of a polyethylene film

Info

Publication number
IE33524B1
IE33524B1 IE1173/69A IE117369A IE33524B1 IE 33524 B1 IE33524 B1 IE 33524B1 IE 1173/69 A IE1173/69 A IE 1173/69A IE 117369 A IE117369 A IE 117369A IE 33524 B1 IE33524 B1 IE 33524B1
Authority
IE
Ireland
Prior art keywords
film
polyethylene film
aug
paper
density
Prior art date
Application number
IE1173/69A
Other languages
English (en)
Other versions
IE33524L (en
Original Assignee
Hoechst Ag
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
Priority claimed from DE1908170A external-priority patent/DE1908170B2/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of IE33524L publication Critical patent/IE33524L/xx
Publication of IE33524B1 publication Critical patent/IE33524B1/xx

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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IE1173/69A 1968-08-21 1969-08-18 Process for the production of a polyethylene film IE33524B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA685432 1968-08-21
DE1908170A DE1908170B2 (de) 1968-08-21 1969-02-19 Verfahren zur Herstellung einer Folie mit papierähnlichen Eigenschaften

Publications (2)

Publication Number Publication Date
IE33524L IE33524L (en) 1970-02-21
IE33524B1 true IE33524B1 (en) 1974-07-24

Family

ID=25757019

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1173/69A IE33524B1 (en) 1968-08-21 1969-08-18 Process for the production of a polyethylene film

Country Status (10)

Country Link
AT (1) AT308388B (de)
BE (1) BE737779A (de)
CA (1) CA922470A (de)
CH (1) CH494107A (de)
ES (1) ES370631A1 (de)
FR (1) FR2016059A1 (de)
GB (1) GB1286844A (de)
IE (1) IE33524B1 (de)
IL (1) IL32730A (de)
NL (1) NL6912307A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5352570A (en) * 1976-10-25 1978-05-13 Asahi Chemical Ind Method of producing densified polyethylene inflation film
CN121105371A (zh) * 2025-10-14 2025-12-12 埃克森美孚(惠州)化工有限公司 制备纵向拉伸聚乙烯薄膜的方法及纵向拉伸聚乙烯薄膜

Also Published As

Publication number Publication date
IL32730A (en) 1973-07-30
BE737779A (de) 1970-02-23
FR2016059A1 (de) 1970-04-30
GB1286844A (en) 1972-08-23
CA922470A (en) 1973-03-13
NL6912307A (de) 1970-02-24
IL32730A0 (en) 1969-09-25
ES370631A1 (es) 1971-05-01
AT308388B (de) 1973-07-10
IE33524L (en) 1970-02-21
CH494107A (de) 1970-07-31

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