ES409254A1 - High density polyethylene films and polyethylene powders for use in the production thereof - Google Patents

High density polyethylene films and polyethylene powders for use in the production thereof

Info

Publication number
ES409254A1
ES409254A1 ES409254A ES409254A ES409254A1 ES 409254 A1 ES409254 A1 ES 409254A1 ES 409254 A ES409254 A ES 409254A ES 409254 A ES409254 A ES 409254A ES 409254 A1 ES409254 A1 ES 409254A1
Authority
ES
Spain
Prior art keywords
high density
production
density polyethylene
films
polyethylene
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.)
Expired
Application number
ES409254A
Other languages
Spanish (es)
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of ES409254A1 publication Critical patent/ES409254A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyethers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Process for the production of high density polyethylene, suitable for the manufacture of films, characterized in that it comprises the operations of screening the high density polyethylene powder coming from the polymerization plant and of mechanically homogenizing the obtained powder portion. (Machine-translation by Google Translate, not legally binding)
ES409254A 1971-11-26 1972-11-23 High density polyethylene films and polyethylene powders for use in the production thereof Expired ES409254A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3173471A IT946109B (en) 1971-11-26 1971-11-26 HIGH DENSITY POLYETHYLENE SUITABLE FOR FILMING AND PROCEDURE FOR ITS OBTAINMENT

Publications (1)

Publication Number Publication Date
ES409254A1 true ES409254A1 (en) 1975-12-01

Family

ID=11234291

Family Applications (1)

Application Number Title Priority Date Filing Date
ES409254A Expired ES409254A1 (en) 1971-11-26 1972-11-23 High density polyethylene films and polyethylene powders for use in the production thereof

Country Status (13)

Country Link
JP (1) JPS4860757A (en)
BE (1) BE791712A (en)
CH (1) CH551456A (en)
DD (1) DD101904A5 (en)
ES (1) ES409254A1 (en)
FR (1) FR2186486B1 (en)
GB (1) GB1392768A (en)
IT (1) IT946109B (en)
LU (1) LU66538A1 (en)
NL (1) NL7215939A (en)
NO (1) NO139688C (en)
PL (1) PL87756B1 (en)
SE (1) SE398461B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105171B (en) * 1955-11-18 1961-04-20 Basf Ag Process for the production of uniform polymers

Also Published As

Publication number Publication date
SE398461B (en) 1977-12-27
NO139688B (en) 1979-01-15
FR2186486A1 (en) 1974-01-11
NL7215939A (en) 1973-05-29
DD101904A5 (en) 1973-11-20
BE791712A (en) 1973-03-16
JPS4860757A (en) 1973-08-25
FR2186486B1 (en) 1976-08-20
CH551456A (en) 1974-07-15
NO139688C (en) 1979-04-25
PL87756B1 (en) 1976-07-31
DE2257065B2 (en) 1976-12-09
GB1392768A (en) 1975-04-30
DE2257065A1 (en) 1973-07-05
IT946109B (en) 1973-05-21
LU66538A1 (en) 1973-02-01

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