The present invention relates to a polyester-based resin composition and molded articles thereof and, more specifically, to a polyester-based resin composition, which contains 93 to 99.5 wt% of a polybutylene terephthalate resin, 0.1 to 3 wt% of a polar group-containing lubricant, and 0.1 to 2 wt% of an antioxidant, and molded articles thereof. According to the present invention, there is an effect of providing the polyester-based resin composition and molded articles thereof that the fluidity, mechanical properties, thermal stability, and injection stability are excellent, iridescence due to diffuse reflection does not occur because of excellent surface properties, and the present invention is particularly suitable for automobile headlamp bezels since haze is low.
본 발명은 폴리에스테르계 수지 조성물 및 이의 성형품에 관한 것으로, 보다 상세하게는 폴리부틸렌 테레프탈레이트 수지 93 내지 99.5 중량%; 극성기 함유 활제 0.1 내지 3 중량%; 및 산화방지제 0.1 내지 2 중량%를 포함하는 것을 특징으로 하는 폴리에스테르계 수지 조성물 및 이의 성형품에 관한 것이다. 본 발명에 따르면, 유동성, 기계적 물성, 열안정성 및 사출 안정성이 우수하고, 표면 특성이 우수하여 난반사로 인한 무지개 빛이 발생하지 않으며 헤이즈가 낮아 자동차 헤드 램프 베젤에 특히 적합한 폴리에스테르계 수지 조성물 및 이의 성형품을 제공하는 효과가 있다.
POLYESTER BASED COMPOSITION AND MOLDED ARTICLES THEREOF
폴리에스테르계 수지 조성물 및 이의 성형품
2021-05-04
Patent
Elektronische Ressource
Koreanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS |
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