GB1379430A - Method for producing vinylidene chloride resin film having high lubricating property - Google Patents

Method for producing vinylidene chloride resin film having high lubricating property

Info

Publication number
GB1379430A
GB1379430A GB5201272A GB5201272A GB1379430A GB 1379430 A GB1379430 A GB 1379430A GB 5201272 A GB5201272 A GB 5201272A GB 5201272 A GB5201272 A GB 5201272A GB 1379430 A GB1379430 A GB 1379430A
Authority
GB
United Kingdom
Prior art keywords
extrudate
heating
vinylidene chloride
weight
composition
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
GB5201272A
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Publication of GB1379430A publication Critical patent/GB1379430A/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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/08—PVDC, i.e. polyvinylidene chloride

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

1379430 Copolymer films KUREHA KAGAKU KOGYO KK 10 Nov 1972 [12 Nov 1971] 52012/72 Heading B5B Vinylidene chloride-vinyl chloride copolymer films are made by extruding a composition com - prising a copolymer composed of 50 to 95% by weight of vinylidene chloride and 50 to 5% by weight of vinyl chloride into a tubular form, immediately quenching said tubular extrudate, then heating the quenched tube to a temperature of from 5 to 80‹ C. for a period of from 1 to 60 seconds to create nuclei of spherulities, and subjecting the tube to inflation whereby the resulting tubular film has a uniformly coarse surface throughout. The composition may include plasticizers such as dibutyl sebacate, and/or a condensate of adipic acid and propanediol, stabilizers such as epoxidized soybean oil and high polymers in an amount up to 10 parts by weight of the composition, e.g. an ethylene/ vinyl acetate/ethyl acrylate terpolymer. The heating of the extrudate may be effected by spraying water in the desired temperature range on to the extrudate, or heating it with hot air from an electric furnace, or heating it by infrared lamps or by passing the extrudate through an isothermal bath. The films are used for packing foodstuffs.
GB5201272A 1971-11-12 1972-11-10 Method for producing vinylidene chloride resin film having high lubricating property Expired GB1379430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8980171A JPS4855253A (en) 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
GB1379430A true GB1379430A (en) 1975-01-02

Family

ID=13980802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5201272A Expired GB1379430A (en) 1971-11-12 1972-11-10 Method for producing vinylidene chloride resin film having high lubricating property

Country Status (6)

Country Link
JP (1) JPS4855253A (en)
DE (1) DE2255174A1 (en)
FR (1) FR2159478B1 (en)
GB (1) GB1379430A (en)
IT (1) IT970452B (en)
NL (1) NL7215235A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1083858C (en) * 1997-10-16 2002-05-01 旭化成株式会社 Vinylidene chloride like resin film shaped article and preparation process thereof
CN111319246A (en) * 2020-02-28 2020-06-23 重庆龙胜包装制品有限公司 Film blowing machine for plastic bag forming processing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2660907C2 (en) * 1975-02-28 1989-09-07 General Electric Co., Schenectady, N.Y., Us

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1083858C (en) * 1997-10-16 2002-05-01 旭化成株式会社 Vinylidene chloride like resin film shaped article and preparation process thereof
CN111319246A (en) * 2020-02-28 2020-06-23 重庆龙胜包装制品有限公司 Film blowing machine for plastic bag forming processing

Also Published As

Publication number Publication date
DE2255174A1 (en) 1973-05-17
IT970452B (en) 1974-04-10
NL7215235A (en) 1973-05-15
FR2159478B1 (en) 1975-06-13
FR2159478A1 (en) 1973-06-22
JPS4855253A (en) 1973-08-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees