Aging of Bamboo Flour/PETG Composite by Cold Plasma
By contact angle measurement instrument and infrared spectrum analysis , we studied the effect of processing time , plasma discharge power and holding time after plasma treatment on aging of surface functional groups of cold oxygen plasma treated bamboo flour/PETG composite.The processing time and discharge power increasing , the decay rate of surface func-tional groups initiated by cold oxygen plasma gradually retarded .With the retention time prolonging after treated , the mount of polar groups imported into surface of sample gradually decreased , and the functional groups aging of bamboo flour /PETG composite treated by cold plasma was mainly caused by reduction of -C=O groups.
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