BE898897A - IMPROVED SHRINK FILMS IN LINEAR POLYETHYLENE AND PROCESS FOR MAKING SAME - Google Patents

IMPROVED SHRINK FILMS IN LINEAR POLYETHYLENE AND PROCESS FOR MAKING SAME

Info

Publication number
BE898897A
BE898897A BE0/212379A BE212379A BE898897A BE 898897 A BE898897 A BE 898897A BE 0/212379 A BE0/212379 A BE 0/212379A BE 212379 A BE212379 A BE 212379A BE 898897 A BE898897 A BE 898897A
Authority
BE
Belgium
Prior art keywords
film
making same
linear polyethylene
shrink films
physical properties
Prior art date
Application number
BE0/212379A
Other languages
French (fr)
Inventor
W B Mueller
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of BE898897A publication Critical patent/BE898897A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/72—Cured, e.g. vulcanised, cross-linked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B32B2307/736—Shrinkable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

Landscapes

  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

Une pellicule thermoplastique à plusieurs couches manifestant une supérioté des propriétés physiques comprend un polyéthylène linéaire à basse densité ou à moyenne densité comme couche d'ame. Cette pellicule l'emporte par les propriétés physiques sur les pellicules actuellement connues de polychlorure de vinyle. Cette pellicule présente un degré d'orientation moins élevé, mais un meilleur allongement. Avantageusement, la pellicule subit une irradiation jusqu'à quelques mégarads en vue de la réticulation.A multi-layer thermoplastic film exhibiting superior physical properties includes linear low density or medium density polyethylene as the core layer. This film outweighs the physical properties of the currently known polyvinyl chloride films. This film has a lower degree of orientation, but better elongation. Advantageously, the film undergoes irradiation up to a few megarads for the purpose of crosslinking.

BE0/212379A 1983-02-18 1984-02-13 IMPROVED SHRINK FILMS IN LINEAR POLYETHYLENE AND PROCESS FOR MAKING SAME BE898897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46772383A 1983-02-18 1983-02-18

Publications (1)

Publication Number Publication Date
BE898897A true BE898897A (en) 1984-05-30

Family

ID=23856886

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/212379A BE898897A (en) 1983-02-18 1984-02-13 IMPROVED SHRINK FILMS IN LINEAR POLYETHYLENE AND PROCESS FOR MAKING SAME

Country Status (15)

Country Link
JP (1) JPS59158254A (en)
AU (1) AU565301B2 (en)
BE (1) BE898897A (en)
BR (1) BR8305895A (en)
CA (1) CA1229296A (en)
DE (1) DE3332781A1 (en)
DK (1) DK465483A (en)
FI (1) FI833234A (en)
FR (1) FR2541181A1 (en)
GB (2) GB8324003D0 (en)
IT (1) IT1169587B (en)
NL (1) NL8303516A (en)
NZ (1) NZ205515A (en)
SE (1) SE8304779L (en)
ZA (1) ZA837450B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617241A (en) * 1984-01-23 1986-10-14 W. R. Grace & Co., Cryovac Div. Linear polyethylene stretch/shrink films
US4820557A (en) * 1987-09-17 1989-04-11 W. R. Grace & Co.-Conn. Thermoplastic packaging film of low I10 /I2
US5250332A (en) * 1988-10-18 1993-10-05 Rxs Schrumpftechnik Garnituren Gmbh Heat-shrinkable envelope having low-tearing susceptibility
ES2066080T3 (en) * 1989-10-20 1995-03-01 Rxs Schrumpftech Garnituren HOT CONTRACTION WRAP WITH IMPROVED TEAR RESISTANCE.
EP0707954B1 (en) * 1994-10-19 2001-11-14 Cryovac, Inc. Multilayer heat-shrinkable films
DE69523859T2 (en) * 1994-10-19 2002-05-29 Cryovac Inc Heat shrinkable multilayer films
JP3530154B2 (en) * 2001-07-17 2004-05-24 住友電工ファインポリマー株式会社 Polyethylene heat shrink tubing
FR2887801B1 (en) * 2005-07-01 2007-09-07 Bollore Sa FILM WITH SEVERAL LAYERS
JP5997591B2 (en) * 2012-11-19 2016-09-28 旭化成株式会社 Low temperature shrinkable overlap packaging film
WO2022271762A1 (en) * 2021-06-24 2022-12-29 Cryovac, Llc Linear tear multi-layer film

Also Published As

Publication number Publication date
GB8325032D0 (en) 1983-10-19
JPH0450902B2 (en) 1992-08-17
ZA837450B (en) 1985-05-29
BR8305895A (en) 1984-09-18
DK465483D0 (en) 1983-10-10
IT8323349A0 (en) 1983-10-18
SE8304779D0 (en) 1983-09-06
FR2541181A1 (en) 1984-08-24
CA1229296A (en) 1987-11-17
NL8303516A (en) 1984-09-17
DE3332781A1 (en) 1984-08-23
FI833234A0 (en) 1983-09-09
AU565301B2 (en) 1987-09-10
GB2135239A (en) 1984-08-30
NZ205515A (en) 1986-08-08
FI833234A (en) 1984-08-19
IT1169587B (en) 1987-06-03
JPS59158254A (en) 1984-09-07
SE8304779L (en) 1984-08-19
DK465483A (en) 1984-08-19
AU1877683A (en) 1984-08-23
GB8324003D0 (en) 1983-10-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: W.R. GRACE & CO.

Effective date: 19850213