Polyglycolic acid composition as well as preparation method and application thereof

Polyglycolic acid composition as well as preparation method and application thereof

The invention provides a polyglycolic acid composition as well as a preparation method and application thereof, and provides a new solution to improve the thermal stability and melt strength of a polyglycolic acid material, so that the processing thermal stability of polyglycolic acid is favorably i...

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Hauptverfasser: JIANG MENG, WANG RONG, GE XIHUI, LIANG WENBIN, SUN XIAOJIE, SUN MIAOMIAO
Format: Patent
Sprache:chi ; eng
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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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creator JIANG MENG
WANG RONG
GE XIHUI
LIANG WENBIN
SUN XIAOJIE
SUN MIAOMIAO
description The invention provides a polyglycolic acid composition as well as a preparation method and application thereof, and provides a new solution to improve the thermal stability and melt strength of a polyglycolic acid material, so that the processing thermal stability of polyglycolic acid is favorably improved; the material prepared on the basis of the polyglycolic acid composition is particularly suitable for being applied to degradable materials and barrier packaging materials. The polyglycolic acid composition comprises the following blended components in parts by mass: 100 parts of polyglycolic acid; 0.05 to 2 parts, preferably 0.2 to 1 part, of a hindered amine light stabilizer; 0.03 to 3 parts of an antioxidant; wherein the antioxidant comprises at least one of a hindered phenol antioxidant and a hydroxylamine antioxidant, and preferably, the antioxidant further comprises a phosphite ester antioxidant; the ratio of the total mass of the antioxidant to the mass of the hindered amine light stabilizer is 1: (1
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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
title Polyglycolic acid composition as well as preparation method and application thereof
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