BR112022007112A2 - Copolímero de etileno e acetato de vinila, película, e, método para formar uma película - Google Patents

Copolímero de etileno e acetato de vinila, película, e, método para formar uma película

Info

Publication number
BR112022007112A2
BR112022007112A2 BR112022007112A BR112022007112A BR112022007112A2 BR 112022007112 A2 BR112022007112 A2 BR 112022007112A2 BR 112022007112 A BR112022007112 A BR 112022007112A BR 112022007112 A BR112022007112 A BR 112022007112A BR 112022007112 A2 BR112022007112 A2 BR 112022007112A2
Authority
BR
Brazil
Prior art keywords
film
ethylene
copolymer
vinyl acetate
forming
Prior art date
Application number
BR112022007112A
Other languages
English (en)
Portuguese (pt)
Inventor
Delevati Giancarlos
Wandir Renck Omar
Augusto Maia Faria Carlos
Lourenço Brito Herrmann Paulo
Cesar Vieira Marcial
Mara De Freitas Rocha Patricia
Fioravanti Das Neves Marcelo
Ribeiro Malmegrim Roger
Original Assignee
Braskem Sa
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 Braskem Sa filed Critical Braskem Sa
Publication of BR112022007112A2 publication Critical patent/BR112022007112A2/pt

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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance 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
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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR112022007112A 2019-10-15 2020-10-14 Copolímero de etileno e acetato de vinila, película, e, método para formar uma película BR112022007112A2 (pt)

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US201962915464P 2019-10-15 2019-10-15
PCT/IB2020/020061 WO2021074696A2 (en) 2019-10-15 2020-10-14 Bio-based eva compositions and articles and methods thereof

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BR112022007112A2 true BR112022007112A2 (pt) 2022-07-05

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US (1) US11746197B2 (https=)
EP (1) EP4045319A2 (https=)
JP (1) JP2022553228A (https=)
BR (1) BR112022007112A2 (https=)
WO (1) WO2021074696A2 (https=)

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