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Fibreglass, fibrous form of glass that is used principally as insulation and as a reinforcing agent in plastics. Glass fibres were little more than a novelty until the 1930s, when their thermal and electrical insulating properties were appreciated and me
In this case, the cavity is different from previous proposals made by a hole in a glass capillarity. Two single-mode fibres encapsulated in the glass and at both sides of the hole are used as semi-reflecting mirror surfaces (authors propose coating to improve the signal-to-noise ratio and ...
As an example, poly(methyl methacrylate) (PMMA) has been used to detect organic vapours such as triethylamine (TEA) [167]: more specifically, the polymer is dissolved in dimethylformamide (DMF) and electrospun onto glass slides. The resulting matrix is polymerized with aniline to obtain ...
When exposed to a temperature just below the glass transition temperature (Tg), a glassy polymer undergoes physical ageing, corresponding to a slow structural relaxation of the material that tends to converge towards a metastable state of thermodynamic equilibrium [46,47]. It is manifested by a ...