CA1149122A - Heat sealable, multi-ply polypropylene film - Google Patents

Heat sealable, multi-ply polypropylene film

Info

Publication number
CA1149122A
CA1149122A CA000373413A CA373413A CA1149122A CA 1149122 A CA1149122 A CA 1149122A CA 000373413 A CA000373413 A CA 000373413A CA 373413 A CA373413 A CA 373413A CA 1149122 A CA1149122 A CA 1149122A
Authority
CA
Canada
Prior art keywords
film
weight
heat
propylene homopolymer
layer
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
CA000373413A
Other languages
English (en)
French (fr)
Inventor
Daniel J. Ferguson
Frederick D. Stringer
Michael D. Esakov
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 CA1149122A publication Critical patent/CA1149122A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/24All layers being polymeric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00Resin or rubber layer containing a blend of at least two different polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/31Heat sealable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514Oriented
    • B32B2307/518Oriented bi-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/732Dimensional properties
    • B32B2307/734Dimensional stability
    • B32B2307/736Shrinkable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00Polyalkenes
    • B32B2323/10Polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00Packaging 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)
  • Wrappers (AREA)
CA000373413A 1980-05-23 1981-03-19 Heat sealable, multi-ply polypropylene film Expired CA1149122A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15297080A 1980-05-23 1980-05-23
US152,970 1980-05-23

Publications (1)

Publication Number Publication Date
CA1149122A true CA1149122A (en) 1983-07-05

Family

ID=22545224

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000373413A Expired CA1149122A (en) 1980-05-23 1981-03-19 Heat sealable, multi-ply polypropylene film

Country Status (22)

Country Link
JP (1) JPS578156A (it)
AR (1) AR225081A1 (it)
AU (1) AU536917B2 (it)
BE (1) BE888914A (it)
BR (1) BR8102322A (it)
CA (1) CA1149122A (it)
CH (1) CH656349A5 (it)
DE (1) DE3111269A1 (it)
DK (1) DK164093C (it)
ES (1) ES502438A0 (it)
FI (1) FI75526C (it)
FR (1) FR2482900B1 (it)
GB (1) GB2076741B (it)
IE (1) IE51291B1 (it)
IL (1) IL62940A (it)
IT (1) IT1136935B (it)
MX (1) MX156235A (it)
NL (1) NL188022C (it)
NZ (1) NZ196286A (it)
PT (1) PT72887B (it)
SE (1) SE451692B (it)
ZA (1) ZA811494B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1199567A (en) * 1982-02-18 1986-01-21 Walter B. Mueller Linear polyethylene shrink films
DE3247998C2 (de) * 1982-12-24 1986-02-06 Hoechst Ag, 6230 Frankfurt Siegelbare transparente polyolefinische Mehrschichtfolie
DE3247999C2 (de) * 1982-12-24 1984-11-15 Hoechst Ag, 6230 Frankfurt Siegelbare polyolefinische Mehrschichtfolie
US4986496A (en) * 1985-05-31 1991-01-22 Minnesota Mining And Manufacturing Drag reduction article
US5133516A (en) * 1985-05-31 1992-07-28 Minnesota Mining And Manufacturing Co. Drag reduction article
US4726984A (en) * 1985-06-28 1988-02-23 W. R. Grace & Co. Oxygen barrier oriented film
GB2221649B (en) * 1988-08-11 1992-04-29 Okura Industrial Co Ltd Heat shrinkable composite film and packaging method using same
CH686178A5 (de) * 1993-10-01 1996-01-31 Alusuisse Lonza Services Ag Flochiger Packstoff.
JPH0825593A (ja) * 1994-07-13 1996-01-30 Sumitomo Chem Co Ltd 自己粘着性包装用フィルム
US6420625B1 (en) 1997-09-12 2002-07-16 Kimberly-Clark Worldwide, Inc. Breathable, liquid-impermeable, apertured film/nonwoven laminate and process for making same
DE102009057862A1 (de) * 2009-12-11 2011-06-16 Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Mehrschichtfolie mit hoher Durchstoß- und Weiterreißfestigkeit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285766A (en) * 1963-03-28 1966-11-15 Avisun Corp Biaxially oriented ethylene polymer coated polypropylene sheet and method for makingsame
GB1145199A (en) * 1966-06-13 1969-03-12 Nat Distillers Chem Corp Heat-sealable oriented polypropylene film laminate
DE1769028A1 (de) * 1968-03-22 1972-02-03 Kalle Ag Biaxial orientierte Polypropylenfolie
JPS4914343A (it) * 1972-05-22 1974-02-07
US3983258A (en) * 1975-02-07 1976-09-28 Continental Can Company, Inc. Process of packaging edible products containing exposed bones
GB2029317A (en) * 1978-09-06 1980-03-19 British Cellophane Ltd Heat-sealable polypropylene films

Also Published As

Publication number Publication date
DK164093B (da) 1992-05-11
SE451692B (sv) 1987-10-26
ES8203697A1 (es) 1982-04-01
AU536917B2 (en) 1984-05-31
NZ196286A (en) 1983-09-02
AR225081A1 (es) 1982-02-15
SE8103257L (sv) 1981-11-24
DK164093C (da) 1992-10-12
AU7024081A (en) 1981-11-26
NL188022C (nl) 1992-03-16
ES502438A0 (es) 1982-04-01
JPS578156A (en) 1982-01-16
DE3111269C2 (it) 1988-11-17
FI811569L (fi) 1981-11-24
NL188022B (nl) 1991-10-16
GB2076741B (en) 1984-04-18
DE3111269A1 (de) 1982-02-25
IL62940A0 (en) 1981-07-31
CH656349A5 (de) 1986-06-30
IE51291B1 (en) 1986-11-26
PT72887B (en) 1982-04-05
JPH024426B2 (it) 1990-01-29
FR2482900B1 (fr) 1985-06-28
IT1136935B (it) 1986-09-03
NL8101472A (nl) 1981-12-16
BE888914A (fr) 1981-09-16
IT8120364A0 (it) 1981-03-16
MX156235A (es) 1988-07-27
FR2482900A1 (fr) 1981-11-27
IL62940A (en) 1984-10-31
FI75526C (fi) 1988-07-11
DK227081A (da) 1981-11-24
IE811133L (en) 1981-11-23
GB2076741A (en) 1981-12-09
PT72887A (en) 1981-05-01
ZA811494B (en) 1982-05-26
BR8102322A (pt) 1982-01-12
FI75526B (fi) 1988-03-31

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Legal Events

Date Code Title Description
MKEX Expiry