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http://dx.doi.org/10.7317/pk.2013.37.4.500

Effect of Compatibilizer Types on the Properties of Linear PPS/PET Blends  

Kim, Sungki (SK Chemicals R&D Center)
Hong, In-Kwon (Department of Chemical Engineering, Dankook University)
Lee, Sangmook (Department of Chemical Engineering, Dankook University)
Publication Information
Polymer(Korea) / v.37, no.4, 2013 , pp. 500-506 More about this Journal
Abstract
The effect of compatibilizer types on the properties of polyphenylene sulfide (PPS)/polyethylene terephthalate (PET) blends was investigated. The blends were extruded by a single screw extruder attached with a Maddock mixing zone and their molded properties were examined. As a basic blend composition, a linear PPS/PET (40/60) blend was selected based on cost efficiency. Three types of compatibilizer, SEBS, modified SEBS, and modified PS were added to the basic blend to improve the properties. The thermal, rheological, mechanical properties and the morphology of the ternary blends were analyzed. The maximum mechanical properties of blends was found at 1 phr of m-SEBS or m-PS content, whose values were almost the same as the theoretical values of miscible blend system. It seemed to by the case that the partial reaction between compatibilizer and the basic blend caused the enhancement of compatibility between linear PPS and PET phases. These ternary blends would be applicable as economic linear PPS alloys.
Keywords
linear polyphenylene sulfide; polyethylene terephthalate; reactive; grafted; compatibilizer;
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