IT1056944B - POLYMER FILMS - Google Patents

POLYMER FILMS

Info

Publication number
IT1056944B
IT1056944B IT20963/76A IT2096376A IT1056944B IT 1056944 B IT1056944 B IT 1056944B IT 20963/76 A IT20963/76 A IT 20963/76A IT 2096376 A IT2096376 A IT 2096376A IT 1056944 B IT1056944 B IT 1056944B
Authority
IT
Italy
Prior art keywords
polymer films
films
polymer
Prior art date
Application number
IT20963/76A
Other languages
Italian (it)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT1056944B publication Critical patent/IT1056944B/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
    • 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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT20963/76A 1975-03-07 1976-03-08 POLYMER FILMS IT1056944B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9562/75A GB1532780A (en) 1975-03-07 1975-03-07 Polyolefine film

Publications (1)

Publication Number Publication Date
IT1056944B true IT1056944B (en) 1982-02-20

Family

ID=9874389

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20963/76A IT1056944B (en) 1975-03-07 1976-03-08 POLYMER FILMS

Country Status (14)

Country Link
US (1) UST958013I4 (en)
JP (1) JPS51112883A (en)
AR (1) AR225265A1 (en)
AU (1) AU496842B2 (en)
BE (1) BE839326A (en)
CA (1) CA1077199A (en)
DE (1) DE2609528A1 (en)
ES (1) ES445851A1 (en)
FR (1) FR2302836A1 (en)
GB (1) GB1532780A (en)
IN (1) IN144894B (en)
IT (1) IT1056944B (en)
NL (1) NL7602400A (en)
ZA (1) ZA761400B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1157617A (en) * 1977-12-14 1983-11-29 Milton L. Weiner Oriented polypropylene with linear low density polyethylene copolymer coating
ZA791365B (en) * 1978-03-31 1980-11-26 Union Carbide Corp Process for making film from low density ethylene hydrocarbon copolymer
US4243619A (en) * 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer
US4359561A (en) 1979-06-18 1982-11-16 Union Carbide Corporation High tear strength polymers
US4363904A (en) 1979-06-18 1982-12-14 Union Carbide Corporation High tear strength polymers
JPS56144926A (en) * 1980-04-15 1981-11-11 Mitsubishi Petrochem Co Ltd Monoaxially stretched product of ethylenic resin
JPS5728758A (en) * 1980-07-22 1982-02-16 Nippon Petrochemicals Co Ltd Heavy packing bag
US4379197A (en) 1981-12-02 1983-04-05 El Paso Polyolefins Company Stretch wrap film composition
US5013551A (en) * 1990-02-01 1991-05-07 E. I. Du Pont De Nemours And Company Animal repellant LLDPE

Also Published As

Publication number Publication date
FR2302836B1 (en) 1981-12-24
UST958013I4 (en) 1977-05-03
IN144894B (en) 1978-07-22
NL7602400A (en) 1976-09-09
GB1532780A (en) 1978-11-22
AR225265A1 (en) 1982-03-15
AU1177076A (en) 1977-09-15
BE839326A (en) 1976-09-08
CA1077199A (en) 1980-05-06
ES445851A1 (en) 1977-05-16
FR2302836A1 (en) 1976-10-01
DE2609528A1 (en) 1976-09-16
JPS51112883A (en) 1976-10-05
ZA761400B (en) 1977-02-23
AU496842B2 (en) 1978-11-02

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