journal article·1970Open access

A NEW TYPE BIAXIAL STRETCHING APPARATUS FOR POLYMER FILM

Saburo Okajima, Toru Masuko

Sen'i Gakkaishi· Volume 26· Issue 9

Abstract

An apparatus for biaxial stretching of polymer film was constructed. A panel type infrared heate_??_ was used as the heating element for uniform heating within the temperature range of 50-180°C. The apparatus was driven by oil pressure system with the stretching rate of 1.3_??_120cm/min.Uniformity of biaxially stretched film (polypropylene and polyethylene terephthalate) in one step was examined by means of optical and X-ray methods and a satisfactory result was obtained.
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Research context

OpenAlex topics: Textile materials and evaluations · Polymer Nanocomposites and Properties · Silicone and Siloxane Chemistry

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Affiliations

Faculty of Technology, Tokyo Metropolitan University

References

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