THERMO-OPTICS AND THERMAL-STABILITY OF POLY(ALKYL METHACRYLATES) IN POROUS MATRICES

被引：4

作者：

ALIEV, FM ^{[1
]}

ZGONNIK, VN ^{[1
]}

机构：

[1] ACAD SCI USSR,INST MACROMOLEC CPDS,LENINGRAD,USSR

来源：

EUROPEAN POLYMER JOURNAL | 1991年 / 27卷 / 09期

关键词：

D O I：

10.1016/0014-3057(91)90042-M

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The thermal stability and the temperature and wavelength dependences of light transmission of poly(n-alkyl methacrylates) (PMA-i) (i = 1, 2, 4, 8, 10), poly(2-ethylhexyl acrylate) and polystyrene synthesized in porous glass matrices have been studied. The thermally controlled light scattering and elevated thermal stability of polymers in porous matrices were found. In the composition of comblike polymers with a porous matrix, the orientational ordering of side-groups, absent in the free state, was observed. It is shown that the transition into the disordered state is a first-order phase transition with a thermal effect characteristic of a transition from the liquid-crystalline into the isotropic phase.

引用

页码：969 / 973

页数：5

共 11 条

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