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Article

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Title

Overview of the Cast Polyolefin Film Extrusion Technology for Multi-Layer Packaging Applications

Authors

[ 1 ] Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 2 ] Instytut Technologii Materiałów, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ SzD ] doctoral school student | [ P ] employee

Scientific discipline (Law 2.0)

[2.9] Mechanical engineering

Year of publication

2023

Published in

Materials

Journal year: 2023 | Journal volume: vol. 16 | Journal number: iss. 3

Article type

scientific article

Publication language

english

Keywords
EN
  • multilayer
  • polypropylene
  • polyethylene
  • film
  • extrusion casting
  • packing
Abstract

EN The review article presents the technology of producing polyolefin-based films by extrusion casting. Due to the wide use of this type of film as packaging for food and other goods, obtaining films with favorable properties is still a challenge for many groups of producers in the plastics market. The feedblock process and multimanifold process are the main methods of producing multi-layer film. In the case of food films, appropriate barrier properties are required, as well as durability and puncture resistance also at low temperatures. On the other hand, in order to properly pack and present products, an appropriate degree of transparency must be maintained. Therefore, processing aids such as anti-slip, anti-block and release agents are commonly used. Other popular modifiers, such as waxes, fatty acid amides and mineral fillers - silica, talc or calcium carbonate - and their use in film extrusion are discussed. The article also presents common production problems and their prevention.

Date of online publication

26.01.2023

Pages (from - to)

1071-1 - 1071-21

DOI

10.3390/ma16031071

URL

https://www.mdpi.com/1996-1944/16/3/1071

Comments

Article Number: 1071

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Ministry points / journal

140

Impact Factor

3,4 [List 2022]

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