Physical aging and light scattering of low-loss poly(methyl methacrylate) glass

Norihisa Tanio; Hisao Kato; Yasuhiro Koike; Harvey E. Bair; Shiro Matsuoka; Lee L. Blyler

doi:10.1295/polymj.30.56

Physical aging and light scattering of low-loss poly(methyl methacrylate) glass

Norihisa Tanio, Hisao Kato, Yasuhiro Koike, Harvey E. Bair, Shiro Matsuoka, Lee L. Blyler

大学共通

研究成果: Article › 査読

17 被引用数 (Scopus)

抄録

Isothermal aging has been carried out on low-loss poly(methyl methacrylate) (PMMA) glass at 18°C below the glass transition temperature (T_g). The effect of enthalpy relaxation on light scattering loss of PMMA glass which had no excess scattering was investigated by the use of differential scanning calorimeter (DSC) and light scattering measurement. The light scattering intensity of PMMA glass did not increase with increasing aging time. It is seen that the light scattering loss of glassy PMMA is not affected inherently by physical aging as a result of its approach to thermodynamic equilibrium at a temperature 18°C below its T_g.

本文言語	English
ページ（範囲）	56-59
ページ数	4
ジャーナル	Polymer Journal
巻	30
号	1
DOI	https://doi.org/10.1295/polymj.30.56
出版ステータス	Published - 1998

ASJC Scopus subject areas

ポリマーおよびプラスチック
材料化学

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10.1295/polymj.30.56

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title = "Physical aging and light scattering of low-loss poly(methyl methacrylate) glass",

abstract = "Isothermal aging has been carried out on low-loss poly(methyl methacrylate) (PMMA) glass at 18°C below the glass transition temperature (Tg). The effect of enthalpy relaxation on light scattering loss of PMMA glass which had no excess scattering was investigated by the use of differential scanning calorimeter (DSC) and light scattering measurement. The light scattering intensity of PMMA glass did not increase with increasing aging time. It is seen that the light scattering loss of glassy PMMA is not affected inherently by physical aging as a result of its approach to thermodynamic equilibrium at a temperature 18°C below its Tg.",

keywords = "Amorphous Polymer, Enthalpy Relaxation, Glass Transition Temperature, Light Scattering Loss, Physical Aging, Poly(methyl methacrylate), Polymer Glass",

author = "Norihisa Tanio and Hisao Kato and Yasuhiro Koike and Bair, {Harvey E.} and Shiro Matsuoka and Blyler, {Lee L.}",

year = "1998",

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T1 - Physical aging and light scattering of low-loss poly(methyl methacrylate) glass

AU - Tanio, Norihisa

AU - Kato, Hisao

AU - Koike, Yasuhiro

AU - Bair, Harvey E.

AU - Matsuoka, Shiro

AU - Blyler, Lee L.

PY - 1998

Y1 - 1998

N2 - Isothermal aging has been carried out on low-loss poly(methyl methacrylate) (PMMA) glass at 18°C below the glass transition temperature (Tg). The effect of enthalpy relaxation on light scattering loss of PMMA glass which had no excess scattering was investigated by the use of differential scanning calorimeter (DSC) and light scattering measurement. The light scattering intensity of PMMA glass did not increase with increasing aging time. It is seen that the light scattering loss of glassy PMMA is not affected inherently by physical aging as a result of its approach to thermodynamic equilibrium at a temperature 18°C below its Tg.

AB - Isothermal aging has been carried out on low-loss poly(methyl methacrylate) (PMMA) glass at 18°C below the glass transition temperature (Tg). The effect of enthalpy relaxation on light scattering loss of PMMA glass which had no excess scattering was investigated by the use of differential scanning calorimeter (DSC) and light scattering measurement. The light scattering intensity of PMMA glass did not increase with increasing aging time. It is seen that the light scattering loss of glassy PMMA is not affected inherently by physical aging as a result of its approach to thermodynamic equilibrium at a temperature 18°C below its Tg.

KW - Amorphous Polymer

KW - Enthalpy Relaxation

KW - Glass Transition Temperature

KW - Light Scattering Loss

KW - Physical Aging

KW - Poly(methyl methacrylate)

KW - Polymer Glass

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Physical aging and light scattering of low-loss poly(methyl methacrylate) glass

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