Polyester
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Aug 14, 2013
filing date -
Aug 18, 2012
priority date (Note) -
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Abstract
The present invention relates to polyester that can be obtained by polymerization of a) terephtalacid dimethylester, and b) ethylene glycol, and c) 1,2-propylene glycol, and d) one or a plurality of polyethylene glycols having weight average molecular weights in the range of 1,000 to 2,000 g/mol, and e) one methyl polyethylene glycol having a weight average molecular weight in the range of 1,050 to 1,350 g/mol, f) either when a plurality of compounds having a reticulating effect and 3 to 6 functions that are enabled for polycondensation are present or absent. The polyester according to the invention can be used in an advantageous manner, e.g. to modify hydrophobic surfaces, which can be used, e.g., in paper recycling.
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