In this research, thermal properties of the hot bags, evening bags biodegradable biological images. Application of poly lactic acid by survived ผสมกับยา nature, and adding some additives Heat distortion temperature.Therefore, the poly (lactic acid) mixed with natural rubber modified to be used as raw materials. The cabin, such a combination has been monitoring thermal technique. Differential charge differential scanning แคลอ RI spectrometry (Differencial, Scanning CalorimetryDSC) and mentor Mok Ravina metric analysis (Thermogravimetric Analysis TGA), by the thermal properties of biological plastic bag by adding additive to increase the properties thereof. For example, Cloisite 20A Cloisite 30B PolyOne volume, and 1, 35 wt% for Cloisite,, and 20A 1 3 5 wt% for Cloisite and 30B 10 20 wt% for PolyOne found that plastic film biological compound additive type. The properties PolyOne Heat distorsion temperature as high as 80.47 C, also from the result of the test showed that the DSC thermogram appears melting peak 2 peak which were concluded. The process of melting of crystals with different sizes and the melting temperature of the cold bag is in the 145-155.And the melting temperature of hot bags in the 144-156 C
.In this research, thermal properties of the hot bags, evening bags biodegradable biological by using poly lactic acid comes ผสมกับยา nature, and adding some additives. Heat distortion temperature.
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