CA1229296A - Film retrecissable en polyethylene lineaire et procede de fabricatioin - Google Patents

Film retrecissable en polyethylene lineaire et procede de fabricatioin

Info

Publication number
CA1229296A
CA1229296A CA000443913A CA443913A CA1229296A CA 1229296 A CA1229296 A CA 1229296A CA 000443913 A CA000443913 A CA 000443913A CA 443913 A CA443913 A CA 443913A CA 1229296 A CA1229296 A CA 1229296A
Authority
CA
Canada
Prior art keywords
film
layer
vinyl acetate
shrink
density 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
CA000443913A
Other languages
English (en)
Inventor
Walter B. Mueller
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.)
Cryovac LLC
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
Application granted granted Critical
Publication of CA1229296A publication Critical patent/CA1229296A/fr
Expired legal-status Critical Current

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)
CA000443913A 1983-02-18 1983-12-21 Film retrecissable en polyethylene lineaire et procede de fabricatioin Expired CA1229296A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46772383A 1983-02-18 1983-02-18
US467,723 1983-02-18

Publications (1)

Publication Number Publication Date
CA1229296A true CA1229296A (fr) 1987-11-17

Family

ID=23856886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000443913A Expired CA1229296A (fr) 1983-02-18 1983-12-21 Film retrecissable en polyethylene lineaire et procede de fabricatioin

Country Status (15)

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

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 (es) * 1989-10-20 1995-03-01 Rxs Schrumpftech Garnituren Envuelta de contraccion en caliente con resistencia al desgarre mejorada.
DE69523859T2 (de) * 1994-10-19 2002-05-29 Cryovac, Inc. Heissschrumpfbare Mehrschichtfolien
EP0707954B1 (fr) * 1994-10-19 2001-11-14 Cryovac, Inc. Feuilles multicouches thermorétractables
JP3530154B2 (ja) * 2001-07-17 2004-05-24 住友電工ファインポリマー株式会社 ポリエチレン熱収縮チューブ
FR2887801B1 (fr) * 2005-07-01 2007-09-07 Bollore Sa Film a plusieurs couches
JP5997591B2 (ja) * 2012-11-19 2016-09-28 旭化成株式会社 低温収縮性オーバーラップ包装用フィルム
WO2022271762A1 (fr) * 2021-06-24 2022-12-29 Cryovac, Llc Film multicouche à déchirement linéaire

Also Published As

Publication number Publication date
NL8303516A (nl) 1984-09-17
FR2541181A1 (fr) 1984-08-24
FI833234A0 (fi) 1983-09-09
SE8304779D0 (sv) 1983-09-06
GB8324003D0 (en) 1983-10-12
DE3332781A1 (de) 1984-08-23
BE898897A (fr) 1984-05-30
BR8305895A (pt) 1984-09-18
IT1169587B (it) 1987-06-03
DK465483A (da) 1984-08-19
JPS59158254A (ja) 1984-09-07
DK465483D0 (da) 1983-10-10
AU1877683A (en) 1984-08-23
NZ205515A (en) 1986-08-08
IT8323349A0 (it) 1983-10-18
FI833234A (fi) 1984-08-19
GB2135239A (en) 1984-08-30
JPH0450902B2 (fr) 1992-08-17
SE8304779L (sv) 1984-08-19
ZA837450B (en) 1985-05-29
AU565301B2 (en) 1987-09-10
GB8325032D0 (en) 1983-10-19

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Legal Events

Date Code Title Description
MKEX Expiry