The present invention relates to a polyester resin for a tire cord, a polyester drawn yarn for a tire cord, and a tire cord. The polyester resin prevents degradation of heat resistant physical properties caused by a long-term use, and has enhanced durability. The polyester resin for a tire cord comprises an ester repeat unit having a divalent aromatic functional group and a divalent aliphatic functional group connected via an ester linkage, and includes an antioxidant having 500-5000 ppmw.
본 발명은, 장기 사용에 따른 내열 물성의 저하를 방지하고, 내구성이 향상된 타이어 코드용 폴리에스테르 수지, 타이어 코드용 폴리에스테르 연신사 및 타이어 코드에 관한 것이다.
POLYESTER RESIN FOR TIRE CORD, POLYESTER DRAWN FIBER FOR TIRE CORD AND TIRE CORD
타이어 코드용 폴리에스테르 수지, 타이어 코드용 폴리에스테르 연신사 및 타이어 코드
2016-07-08
Patent
Electronic Resource
Korean
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / D01F Chemische Gesichtspunkte bei der Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern , CHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS |