Polytrimethylene terephthalate composition and process for producing the same

• Main Author: FUJIMOTO KATSUHIRO,AZUMA YOICHIRO
• Format: Patent
• Language: English
• Published: 07.11.2007
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; ORGANIC MACROMOLECULAR COMPOUNDS; SPINNING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

A PTT-based composition is provided such that the emission of hazardous acrolein formed during heat oxidation is suppressed and the deterioration of color is reduced, and a process for producing the same. The PTT-based composition comprises PTT, a compound having a phenolic hydroxy group (a) and a compound having a secondary amine structure (b), or comprises PTT and a compound having both a phenolic hydroxy group (a) and a secondary amine structure (b), and/or modified derivatives of these compounds.