Methods for forming composite materials

Disclosed is about layered double hydroxides (LDH) used to catalyze the polymerization of polyethylene terephthalate (PET). The LDH of catalyst amount may efficiently reduce the PET polymerization period and further be blended into the PET product to form composites. Compared with the pure PET, the...

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Bibliographische Detailangaben
Hauptverfasser:	TSAI, TSUNG-YEN, LU, SHAU-WEN, SU, SYUAN-CI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Disclosed is about layered double hydroxides (LDH) used to catalyze the polymerization of polyethylene terephthalate (PET). The LDH of catalyst amount may efficiently reduce the PET polymerization period and further be blended into the PET product to form composites. Compared with the pure PET, the composite including LDH has better properties such as mechanical properties, linear expansion coefficient, barrier, thermal stability, and transparency. ln addition, the LDH in the composite is safer than conventional heavy metal catalysts, especially in food or drink packages.