GB2076741B - Heat-sealable multiply polypropylene film - Google Patents

Heat-sealable multiply polypropylene film

Info

Publication number
GB2076741B
GB2076741B GB8115820A GB8115820A GB2076741B GB 2076741 B GB2076741 B GB 2076741B GB 8115820 A GB8115820 A GB 8115820A GB 8115820 A GB8115820 A GB 8115820A GB 2076741 B GB2076741 B GB 2076741B
Authority
GB
United Kingdom
Prior art keywords
sealable
heat
polypropylene film
multiply
multiply polypropylene
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
GB8115820A
Other languages
English (en)
Other versions
GB2076741A (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 GB2076741A publication Critical patent/GB2076741A/en
Application granted granted Critical
Publication of GB2076741B publication Critical patent/GB2076741B/en
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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered 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
    • B32B3/26—Layered 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
    • B32B3/266—Layered 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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2323/10—Polypropylene
    • 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
GB8115820A 1980-05-23 1981-05-22 Heat-sealable multiply polypropylene film Expired GB2076741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15297080A 1980-05-23 1980-05-23

Publications (2)

Publication Number Publication Date
GB2076741A GB2076741A (en) 1981-12-09
GB2076741B true GB2076741B (en) 1984-04-18

Family

ID=22545224

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115820A Expired GB2076741B (en) 1980-05-23 1981-05-22 Heat-sealable multiply polypropylene film

Country Status (22)

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

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
DE3247999C2 (de) * 1982-12-24 1984-11-15 Hoechst Ag, 6230 Frankfurt Siegelbare polyolefinische Mehrschichtfolie
DE3247998C2 (de) * 1982-12-24 1986-02-06 Hoechst Ag, 6230 Frankfurt Siegelbare transparente polyolefinische Mehrschichtfolie
US5133516A (en) * 1985-05-31 1992-07-28 Minnesota Mining And Manufacturing Co. Drag reduction article
US4986496A (en) * 1985-05-31 1991-01-22 Minnesota Mining And Manufacturing 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 (de) * 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
SE451692B (sv) 1987-10-26
IE51291B1 (en) 1986-11-26
BE888914A (fr) 1981-09-16
ES8203697A1 (es) 1982-04-01
DE3111269C2 (de) 1988-11-17
FI75526C (fi) 1988-07-11
SE8103257L (sv) 1981-11-24
DE3111269A1 (de) 1982-02-25
GB2076741A (en) 1981-12-09
IT1136935B (it) 1986-09-03
FR2482900B1 (fr) 1985-06-28
IT8120364A0 (it) 1981-03-16
DK227081A (da) 1981-11-24
FI811569L (fi) 1981-11-24
NZ196286A (en) 1983-09-02
NL8101472A (nl) 1981-12-16
DK164093B (da) 1992-05-11
IE811133L (en) 1981-11-23
IL62940A (en) 1984-10-31
CA1149122A (en) 1983-07-05
NL188022B (nl) 1991-10-16
ZA811494B (en) 1982-05-26
AU536917B2 (en) 1984-05-31
CH656349A5 (de) 1986-06-30
PT72887A (en) 1981-05-01
AU7024081A (en) 1981-11-26
AR225081A1 (es) 1982-02-15
FI75526B (fi) 1988-03-31
NL188022C (nl) 1992-03-16
JPS578156A (en) 1982-01-16
IL62940A0 (en) 1981-07-31
JPH024426B2 (de) 1990-01-29
FR2482900A1 (fr) 1981-11-27
ES502438A0 (es) 1982-04-01
DK164093C (da) 1992-10-12
MX156235A (es) 1988-07-27
PT72887B (en) 1982-04-05
BR8102322A (pt) 1982-01-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20010521