BR112021018759A2 - Filme de multicamadas, laminado, e, artigo - Google Patents

Filme de multicamadas, laminado, e, artigo

Info

Publication number
BR112021018759A2
BR112021018759A2 BR112021018759A BR112021018759A BR112021018759A2 BR 112021018759 A2 BR112021018759 A2 BR 112021018759A2 BR 112021018759 A BR112021018759 A BR 112021018759A BR 112021018759 A BR112021018759 A BR 112021018759A BR 112021018759 A2 BR112021018759 A2 BR 112021018759A2
Authority
BR
Brazil
Prior art keywords
layer
composition
multilayer film
weight
article
Prior art date
Application number
BR112021018759A
Other languages
English (en)
Inventor
Cesar De Moraes Barbosa Bruno
Gianna Buaszczyk
Caminero Gomes Jorge
Cardoso Mazzola Nicolas
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of BR112021018759A2 publication Critical patent/BR112021018759A2/pt

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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/04—4 layers
    • 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
    • B32B2250/05—5 or more layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • B32B2307/308—Heat stability
    • 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
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/72—Density
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging

Landscapes

  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

filme de multicamadas, laminado, e, artigo. modalidades da presente invenção se referem a filmes de multicamadas, laminados e artigos. em um aspecto, um filme de multicamadas compreende (a) uma primeira camada que compreende uma primeira composição, em que a primeira composição compreende pelo menos um polímero à base de etileno, e em que a primeira composição tem uma densidade inferior a 0,935 g/cm3, um índice de fusão (i2) inferior a 2,0 g/10 minutos, um valor mwcdi superior a 0,9, e uma razão de índice de fusão (i10/i2) que atende à seguinte equação: i10/i2 = 7,0 1,2 x log (i2), em que a primeira camada compreende pelo menos 50 por cento em peso da primeira composição com base no peso da primeira camada; (b) uma segunda camada que compreende um primeiro polietileno com uma densidade superior a 0,950 g/cm3 e um índice de fusão (i2) inferior a 2,0 g/10 minutos, em que a segunda camada compreende pelo menos 40 por cento em peso do primeiro polietileno com base no peso da primeira camada; e (c) uma camada de vedação, em que o filme de multicamadas compreende pelo menos 29 por cento em peso da primeira composição com base no peso total do filme, e em que o filme de multicamadas compreende pelo menos 15 por cento em peso do primeiro polietileno com base no peso total do filme.
BR112021018759A 2019-03-26 2020-03-24 Filme de multicamadas, laminado, e, artigo BR112021018759A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962824096P 2019-03-26 2019-03-26
PCT/US2020/024396 WO2020198195A1 (en) 2019-03-26 2020-03-24 Multilayer films, laminates, and articles comprising multilayer films

Publications (1)

Publication Number Publication Date
BR112021018759A2 true BR112021018759A2 (pt) 2021-11-30

Family

ID=70293121

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021018759A BR112021018759A2 (pt) 2019-03-26 2020-03-24 Filme de multicamadas, laminado, e, artigo

Country Status (7)

Country Link
US (1) US20220118750A1 (pt)
EP (1) EP3946938A1 (pt)
JP (1) JP2022527262A (pt)
CN (1) CN113613899A (pt)
AR (1) AR118485A1 (pt)
BR (1) BR112021018759A2 (pt)
WO (1) WO2020198195A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022093488A1 (en) * 2020-10-30 2022-05-05 Dow Global Technologies Llc Multilayer films and articles comprising the same

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CA849081A (en) 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
US3914342A (en) 1971-07-13 1975-10-21 Dow Chemical Co Ethylene polymer blend and polymerization process for preparation thereof
US4314912A (en) 1977-02-03 1982-02-09 The Dow Chemical Company High efficiency, high temperature catalyst for polymerizing olefins
US4599392A (en) 1983-06-13 1986-07-08 The Dow Chemical Company Interpolymers of ethylene and unsaturated carboxylic acids
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JP2545006B2 (ja) 1990-07-03 1996-10-16 ザ ダウ ケミカル カンパニー 付加重合触媒
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JP3258534B2 (ja) 1995-07-28 2002-02-18 タイコエレクトロニクスアンプ株式会社 雌型コンタクト
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JP3990458B2 (ja) 1996-03-27 2007-10-10 ダウ グローバル テクノロジーズ インコーポレーテッド 溶解度の高いオレフィン重合触媒活性剤
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Also Published As

Publication number Publication date
US20220118750A1 (en) 2022-04-21
JP2022527262A (ja) 2022-06-01
EP3946938A1 (en) 2022-02-09
WO2020198195A1 (en) 2020-10-01
AR118485A1 (es) 2021-10-06
CN113613899A (zh) 2021-11-05

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Legal Events

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B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]