THERMALLY STABILIZED THERMOPLASTIC POLYURETAHNE COMPOSITION

PURPOSE:To improve the thermal stability by compounding a thermoplastic polyurethane resin with a phosphoric anhydride and/or phosphoric ester and a hindered phenol with a specified mol.wt. CONSTITUTION:100 pts.wt. thermoplastic polyurethane resin is compounded with 0.01-0.1 pts.wt. phosphoric anhyd...

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Bibliographic Details
Main Authors KANETANI KOJI, SUZUKI KOICHI, KUNISHIGE NOBORU, WADA HACHIRO
Format Patent
LanguageEnglish
Published 13.06.1991
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PURPOSE:To improve the thermal stability by compounding a thermoplastic polyurethane resin with a phosphoric anhydride and/or phosphoric ester and a hindered phenol with a specified mol.wt. CONSTITUTION:100 pts.wt. thermoplastic polyurethane resin is compounded with 0.01-0.1 pts.wt. phosphoric anhydride and/or phosphoric ester (e.g. 2- ethylhexyl acid phosphate) and 0.01-1.0 pts.wt. hindered phenol {e.g. pentaerythritol tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate]} with a mol.wt. of 500 or higher.
Bibliography:Application Number: JP19890276652