seat belt use and manufacturing method of ester of the academicians of the chinese academy of sciences

摘要

this invention is the inherent viscosity of poly ester 0.8. 1.4 chip to design the specific conditions of the air nozzle to melt spinning, drawing, heat treatment, the degree of 4 ~ 35%, the 8.5g / d above, the port city of seat belt use in the project and the uc5d0uc2a4. in the manufacturing method it will be.