GB1270954A - Process for the production of oriented polyolefin films - Google Patents

Process for the production of oriented polyolefin films

Info

Publication number
GB1270954A
GB1270954A GB1909669A GB1909669A GB1270954A GB 1270954 A GB1270954 A GB 1270954A GB 1909669 A GB1909669 A GB 1909669A GB 1909669 A GB1909669 A GB 1909669A GB 1270954 A GB1270954 A GB 1270954A
Authority
GB
United Kingdom
Prior art keywords
film
oriented
gas pressure
internal gas
stretching
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
GB1909669A
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.)
WR Grace and Co
Original Assignee
WR Grace 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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB1270954A publication Critical patent/GB1270954A/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
    • 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
    • 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
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB1909669A 1968-04-18 1969-04-14 Process for the production of oriented polyolefin films Expired GB1270954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72243368A 1968-04-18 1968-04-18

Publications (1)

Publication Number Publication Date
GB1270954A true GB1270954A (en) 1972-04-19

Family

ID=24901813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1909669A Expired GB1270954A (en) 1968-04-18 1969-04-14 Process for the production of oriented polyolefin films

Country Status (5)

Country Link
BE (1) BE731488A (enrdf_load_stackoverflow)
DE (1) DE1919684A1 (enrdf_load_stackoverflow)
FR (1) FR2009826A1 (enrdf_load_stackoverflow)
GB (1) GB1270954A (enrdf_load_stackoverflow)
NL (1) NL6906006A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636340A (en) * 1984-01-23 1987-01-13 Toa Nenryo Kogyo Kabushiki Kaisha Method of producing crosslinked polyethylene stretched film
WO2000074929A1 (en) * 1999-06-03 2000-12-14 Printpack Illinois, Inc. Machine direction oriented high molecular weight, high density polyethylene films with enhanced water vapor transmission properties
CN102741037A (zh) * 2010-02-10 2012-10-17 住友电工超效能高分子股份有限公司 热收缩管以及制造热收缩管的装置和方法
CN106827479A (zh) * 2017-02-24 2017-06-13 长园电子（东莞）有限公司 一种pet热缩管扩张折径检测闭环控制装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636340A (en) * 1984-01-23 1987-01-13 Toa Nenryo Kogyo Kabushiki Kaisha Method of producing crosslinked polyethylene stretched film
US4673619A (en) * 1984-01-23 1987-06-16 Toa Nenryo Kabushiki Kaisha Polyethylene stretched film
WO2000074929A1 (en) * 1999-06-03 2000-12-14 Printpack Illinois, Inc. Machine direction oriented high molecular weight, high density polyethylene films with enhanced water vapor transmission properties
CN102741037A (zh) * 2010-02-10 2012-10-17 住友电工超效能高分子股份有限公司 热收缩管以及制造热收缩管的装置和方法
CN106827479A (zh) * 2017-02-24 2017-06-13 长园电子（东莞）有限公司 一种pet热缩管扩张折径检测闭环控制装置

Also Published As

Publication number Publication date
DE1919684A1 (de) 1969-11-06
BE731488A (enrdf_load_stackoverflow) 1969-09-15
FR2009826A1 (enrdf_load_stackoverflow) 1970-02-13
NL6906006A (enrdf_load_stackoverflow) 1969-10-21

Similar Documents

Publication Publication Date Title
US3022543A (en) Method of producing film having improved shrink energy
US4044187A (en) Film laminates having a reirradiated layer
US3891008A (en) Multi-layer thermoplastic film and method of making same
EP0474376B1 (en) Films of blends of polypropylene and ethylene copolymer
US5152946A (en) Producing low shrink packaging film
JPS63264349A (ja) 柔軟性伸縮フイルム
US3754067A (en) Blown tube production
GB1392334A (en) Laminate of thermoplastic polymers
JPS5947669B2 (ja) 熱収縮性ラミネ−トフイルム
JPH02198843A (ja) 酸素透過性の改善された延伸／収縮フィルム
JPH0470987B2 (enrdf_load_stackoverflow)
EP0287403A2 (en) Oriented polymeric films and process ofr enhanced orientation of polymeric films
GB1044068A (en) Production of coated biaxially oriented linear highly crystalline polyolefin films
JPH02238945A (ja) 熱可塑性フイルムの容器又はケース
US3607505A (en) Method of producing a laminated tubular article
NO159100B (no) Biaksialt strukne polypropylenbaserte plastprodukter.
JPH0342180B2 (enrdf_load_stackoverflow)
US3126680A (en) Figure
US5089352A (en) Cross-linked multilayer heat-shrinkable oriented polymeric film
JPH0725153B2 (ja) ポリプロピレン共重合体と可塑化されていない塩化ビニリデン共重合体からの配向フイルム
US4000234A (en) Process for the manufacture of polyolefin film
EP0055510B1 (en) Process for preparation of heat-shrinkable wrapping of ethylene polymers
GB1270954A (en) Process for the production of oriented polyolefin films
US3294621A (en) High shrink energy polyethylene cohesively sealed to another thermoplastic material
US3567539A (en) Method of making a tubular thermoplastic laminate