Disclosed are polymeric compositions having excellent thermal stability and containing polyphenylene ether or a blend thereof with at least one (co)polymer of styrene as well as at least one linear and/or cyclic beta-diketone.
Said beta-diketones are capable of endowing said compositions with a long-lasting thermal stability in the molten state and of ensuring sufficient fluidity, resulting in improved processability of said compositions.
所公开的聚合物组合物具有优异的热稳定性,并含有聚苯醚或其与至少一种
苯乙烯(共)聚合物以及至少一种线性和/或环状
β-二酮的混合物。
所述
β-二酮能够赋予所述组合物在熔融状态下持久的热稳定性,并确保足够的流动性,从而改善所述组合物的可加工性。