preparation and application of polybutylene terephthalate pbt_kain industrial additive
background and overview[1][2] a polyester resin, also called pbt. relative density 1.2~1.31. low hygroscopicity. excellent chemical resistance. swell in dichloroethane. decomposes in concentrated nitric acid and sulfuric acid. it has high heat distortion temperature and can be used for a long time at 150℃. impact resistance, friction resistance and dimensional stability are all good. used…
