Electrical properties of acrylic

2017-01-18 20:42:18 cropsong 34

The chemical name of acrylic is Polymethyl methacrylate. Polymethyl methacrylate as the main chain side of the polarity of the methyl ester group, the electrical properties of less than polyolefins and polystyrene and other non-polar plastic. The polarity of the methyl ester group is not too big, the polymethyl methacrylate still has good dielectric and electrical insulating properties. It is worth noting that polymethyl methacrylate and even the entire acrylic plastic, have excellent arc resistance, under the action of the arc, the surface does not produce carbonized conductive path and arc track phenomenon. 20 ° C is a secondary transition temperature corresponding to the temperature at which the pendant methylcarbonate starts to move, and below 20 ° C, the pendant methyl ester group is in a frozen state, and the electrical properties of the material are improved above 20 °C.

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