·BNT成核原料较高的结晶温度能够缩短20%以上管件注塑生产周期,因此,相对于未成核PP-R原料来说,显著提高了生产率。 ·BNT成核原料生产的管件尺寸稳定性优异,而且不受冷却时间和最终产品尺寸影响。 参考文献 [1] H.G.Karian,Handbook of Polypropylene and Polypropylene Composites,Revisedand Expanded (Plastics Engineering),2003. [2] Application & Design Handbook,RA130E-Polypropylene Random-Copolymer (PPR)for Pipes and Fittings in Plumbing and Heating Systems. [3] L.Yu,T.Wu,T.Chen,F.Yang,M.Xiang,Polypropylene random copolymer in pipeapplication: Performance improvement with controlled molecular weight distribution,2014. [4] M.Guo,Y.Dong,H. Huang,J.Zhang, Q.Li, The structure characterization ofethylene-propylene copolymers for hot water piping,2006. (翻译:国家化学建筑材料测试中心(材料测试部)李玉娥)
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