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New Toray High Heat-Resistant Torayfan Grade Broadens Biaxially Oriented Polypropylene Film Applications

Published : Saturday, March 20, 2021, 2:40 am
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Toray Industries, Inc., announced today that it has created a new grade of its Torayfan® biaxially oriented polypropylene (OPP) film that has world-class thermal resistance and quality level. It can be used in environments up to 120°C.

OPP film serves in diverse packaging applications on the strength of its outstanding properties such as excellent mold release, low outgassing, ultraviolet permeability, and low moisture absorption. Toray launched Torayfan in 2018 as an extremely smooth film for production process of optical materials and electronic components.

The company set about creating a new Torayfan grade to enhance the quality, smoothness, and thermal resistance of OPP films in response to the performance and functionality developments of the Internet of Things. This new offering significantly reduces outgassing (see glossary note 1) and fisheyes (see glossary note 2) while minimizing the risks of scars and contamination.

The company also developed elemental technologies to control the film surface smoothness and thermal resistance. For the new Torayfan grade, these technologies enhanced thermal resistance control in delivering a high-temperature elastic modulus that is up to 80% greater than that of conventional OPP films. These technologies also lifted shrinkage start temperature to 120°C.

The numerous industrial uses for this new Torayfan grade include protection and support applications where mold release agent transfers are not allowed, deposition and sputter protection applications where low outgassing is essential, ultraviolet irradiation process protection applications, polarizing plate materials requiring low moisture absorption, and photosensitive materials protection. Toray will expand applications and help enhance the performance and functionality of optical materials and electronic components.

Toray will continue to push ahead with efforts to innovate high-performance materials in keeping with its corporate philosophy of contributing to society through the creation of new value with innovative ideas, technologies, and products.


Glossary
1. Outgassing is the release of water, additives, and other gasses and vapors from films.
2  Fisheyes are rough protrusions of 50 microns or more originated from degraded polymers.

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