Polyurethanes synthesized from polyester polyols derived from PET waste. III. Mechanical properties

Polyurethanes synthesized from polyester polyols derived from PET waste. III. Mechanical properties

Polyethylene terephthalate (PET) waste can be depolymerized by glycolysizing it with EG. Polyester polyol can then be obtained by reacting glycolysized products with adipic acid. Polyurethanes were then synthesized by reacting these polyester polyols with an isocyanate. Polyurethanes reacted with MD...

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Veröffentlicht in:Journal of applied polymer science 1995-02, Vol.55 (8), p.1271-1273
Hauptverfasser: Lee, Sen-Chong, Sze, You-Wen, Lin, Chen-Chong
Format: Artikel
Sprache:eng
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Applied sciences
Exact sciences and technology
Polymer industry, paints, wood
Technology of polymers
Waste treatment
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container_end_page 1273
container_issue 8
container_start_page 1271
container_title Journal of applied polymer science
container_volume 55
creator Lee, Sen-Chong
Sze, You-Wen
Lin, Chen-Chong
description Polyethylene terephthalate (PET) waste can be depolymerized by glycolysizing it with EG. Polyester polyol can then be obtained by reacting glycolysized products with adipic acid. Polyurethanes were then synthesized by reacting these polyester polyols with an isocyanate. Polyurethanes reacted with MDI indicated satisfactory elastomer characteristics. It is found that polyurethane having molecular weight of original polyol of approx1000 in a higher wt.% of hard segment (23.2) exhibits satisfactory elastomer characteristics, that can attain approx90 kg/cm exp 2 in tensile stress, with approx320% in the elongation, with the modulus of approx170 kg/cm exp 2 .
doi_str_mv 10.1002/app.1995.070550813
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source Wiley-Blackwell Full Collection
subjects Applied sciences
Exact sciences and technology
Polymer industry, paints, wood
Technology of polymers
Waste treatment
title Polyurethanes synthesized from polyester polyols derived from PET waste. III. Mechanical properties
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