MICROHARDNESS TESTING TO DETECT RADIATION-INDUCED CROSS-LINKING IN POLYSTYRENE - POLY(METHYL METHACRYLATE) POLYBLENDS

被引：10
|
作者：
KATARE, R [1 ]
BAJPAI, R [1 ]
DATT, SC [1 ]
机构：
[1] RANI DURGAVATI UNIV,DEPT POSTGRAD STUDIES & RES PHYS,JABALPUR 482001,INDIA
来源：
POLYMER TESTING | 1994年 / 13卷 / 02期
关键词：
Microhardness testing - Polyblends - Radiation induced crosslinking - Vickers microhardness;
D O I：
10.1016/0142-9418(94)90019-1
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Specimens of PS:PMMA polyblends with different weight percentage ratios were irradiated with various doses of gamma irradiation (1 to 75 Mrad) and electron irradiation (1 to 30 Mrad). The effect of these irradiations on the strength of blend specimens has been studied by measuring the surface microhardness using a Vickers microhardness tester attached to a Carl Zeiss NU-2 Universal research microscope. The irradiation was found to produce crosslinking behaviour in the specimens and the crosslinking degree is related to the type and dose of irradiation and to the miscibility of PS and PMMA in the blend.
引用
收藏
页码：107 / 112
页数：6
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