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HIGHLY ACTIVE CATALYTIC SYSTEM FOR POLY/ETHYLENETEREPHTHALATE/ SYNTHESIS
HIGHLY ACTIVE CATALYTIC SYSTEM FOR POLY/ETHYLENETEREPHTHALATE/ SYNTHESIS
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机译:聚/对苯二甲酸乙二酯/合成的高活性催化体系
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摘要
In the present invention, a class of catalysts is described, to be used in the polycondensation stage in the synthesis of poly(ethylene terephthalate), constituted by a composition of metal derivatives in quantity so that the content of these in the final polymer is below 130 ppm.
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