INVESTIGATION OF THE CHANGE IN PROPERTIES OF POLYMETHYLMETHACRYLATE TRANSPARENCIES UNDER THE ACTION OF ULTRA-VIOLET IRRADIATION, VACUUM AND TEMPERATURE

Ultra-violet irradiation with I = 14 milliwatt/sq cm results in damage to the surface of ST1 polymethylmethacrylate transparencies (perspex), with the result that the further use of this perspex as an optical material is impossible. Ageing of the perspex in air and in a vacuum at t = 80C has practic...

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Bibliographische Detailangaben

Hauptverfasser:	Sentyurin,E. G, Osikina,E. S, Perov,B. V, Gudimov,M. M
Format:	Report
Sprache:	eng
Schlagworte:	ACRYLIC RESINS AGING(MATERIALS) DEGRADATION ELONGATION MECHANICAL PROPERTIES OPTICAL PROPERTIES Plastics SURFACE PROPERTIES TRANSLATIONS ULTRAVIOLET RADIATION USSR VACUUM
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