By Mark T. DeMeuse
Biaxial (having axes) stretching of movie is used for various purposes and is the first production procedure during which items are produced for the meals packaging undefined. Biaxial stretching of movie: rules and purposes presents an outline of the producing tactics and diversity of functions for biaxially stretched films.
Part one reports the basic ideas of biaxial stretching. After an introductory bankruptcy which defines phrases, chapters talk about gear layout and specifications, laboratory reviews, biaxial movie buildings and standard commercial procedures for the biaxial orientation of movies. extra issues comprise put up construction processing of biaxially stretched movies, the stress-strain behaviour of poly(ethylene terephthalate) and educational investigations of biaxially stretched movies. half investigates the purposes of biaxial movies together with clean reduce produce, snack packaging and product labelling. a last bankruptcy investigates strength destiny tendencies for biaxially orientated movies and orienting lines.
Biaxial stretching of movie: ideas and functions is a important reference device for a large spectrum of readers, starting from polymer and fibre engineers to electric engineers. it's going to even be appropriate for pros within the nutrients packaging and paper industries.
- A precious reference software for polymer and fibre engineers, electric engineers and pros within the nutrition packaging and paper industries
- Provides a finished evaluation of the producing tactics of biaxially stretched movies and encompasses a dialogue in their destiny applications
- Places emphasis at the expertise in addition to the differing kinds of polymers used
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Extra info for Biaxial Stretching of Film. Principles and Applications
44, 805 (2004). S. L. White, Polym. Eng. , 39, 1160 (1999). K. L. White, Polym. Eng. , 40, 1122 (2000). K. Sakauchi, T. Takebe, H. Vehura, T. Yamada, Y. Obata, and T. Kanai, J. Polym. , 27, 447 (2007). indd 26 7/1/11 8:53:32 AM 3 Laboratory evaluations of biaxially stretched film M . T . D e M e u s e, Independent consultant, USA Abstract: This chapter focuses on laboratory evaluations and primarily discusses the several types of equipment which are used to perform them. Such laboratory evaluations can provide extremely useful insight into the manner that new formulations and film structures will behave on larger equipment, thus saving both time and effort on these larger scale experiments.
Indd 40 7/1/11 8:55:03 AM Polyolefins used in biaxial stretched films 41 the hydrocarbon resin is also quoted as aiding in the orientation stretching of the highly crystalline polypropylene to reduce unstretched or uneven stretch marks or film breaks. It is possible to decrease not only the moisture vapor transmission rate of traditional Ziegler–Natta polypropylene polymers but also that of metallocene-catalyzed polypropylenes. 20 This reduction was in addition to the reduction observed when comparing the moisture barrier properties of film made from the metallocene polypropylene to film made from a Ziegler–Natta polypropylene.
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Biaxial Stretching of Film. Principles and Applications by Mark T. DeMeuse