应用于高档包装的聚烯烃消光材料研究
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摘要
对不同PP/PE体系材料的消光性能进行研究,PPB/HDPE1体系消光效果最佳,其薄膜(50μm)雾度可达91.6%。良好消光效果由诸多因素的差异相互影响所致,并与其表面形成的连续均匀的织态结构有关。通过研究树脂间粘度及结晶性能的差异发现:差异越大,材料消光效果越好,该结论同样适用于可商业化的PPR/HDPE体系,对PPR/HDPE体系的深入研究发现:PPR比例为30%～40%时可形成良好消光效果,雾度可达90%以上。
The influences of different PP/PE blends on the mattproperties were investigated.It was found that the best matteffect was obtained by PPB/HDPE1 blend,having ah azevalue of 91.6% when the thickness offilm was 50 um.The difference of viscosity and crystallinity betweenvarious PP and PE were studied,of which the results indicated that the larger the difference,the better the matteffect was for medand the matteffect was caused by the difference of many factors that mutually affecte deach other,which is also related to the continuous and uniformtextures formed on surface.The results were also suitable for the commercial PPR/HDPE system.The further study on PPR/HDPE blend srevealed that:the blendsin which PPR was accounted for 30%～40% had good matteffect as well as haze value of 90%.
The influences of different PP/PE blends on the mattproperties were investigated.It was found that the best matteffect was obtained by PPB/HDPE1 blend,having ah azevalue of 91.6% when the thickness offilm was 50 um.The difference of viscosity and crystallinity betweenvarious PP and PE were studied,of which the results indicated that the larger the difference,the better the matteffect was for medand the matteffect was caused by the difference of many factors that mutually affecte deach other,which is also related to the continuous and uniformtextures formed on surface.The results were also suitable for the commercial PPR/HDPE system.The further study on PPR/HDPE blend srevealed that:the blendsin which PPR was accounted for 30%～40% had good matteffect as well as haze value of 90%.
引文
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[15]陈晓勇.聚烯烃消光膜消光机理研究[D].四川大学,2006.
[2]张晓萌,宋文波,等.聚乙烯流延膜雾度研究[J].合成树脂及塑料,2018,35(1):33-37.
[3]赵天奇,王平华,唐龙祥,等. BOPP消光膜制备及其光学与力学性能研究[J].塑料科技,2008,36(11):56-59.
[4]陈晓勇.塑料薄膜雾度及其控制的研究进展[J].化学推进剂与高分子材料,2010,8(2):27-32.
[5]R.,P.Surface Haze and Surface Morphology of Blown Film Compositions[J].Journal of Plastic Film and Sheeting,2005,21(3):217.
[6]WangL,KamalMR,ReyAD.Light Transmission and Haze of Polyethylene Blown Thin Films[J].Polymer Engineering Science,2010,41(2):358-372.
[7]陈晓勇,向明.聚烯烃消光膜消光均匀性的控制[J].高分子材料科学与工程,2009,25(11):26-29.
[8]郑萃,姚史颖,等.结晶高分子薄膜的内部和表面结构及光学性能[J].高分子材料科学与工程,2018,34(11).
[9]YouQingHua,ZhangYAQ,WuLAB,et al. Mechanical and Optical Properties of Polyethylene Filled with Nano-SiO2[J].Journal of Macromolecular Science Part B,2005,44(2):149-1 59.
[10]Wang Y Y,Ying P R.Mechanism of Polymorph Selection during Crystallization of Random Butene-1/Ethylene Copolymer[J].Chinese Journal of Polymer Science,2016,34(8):1014-1020.
[11]MengLP,ChenXW,LinYF.Improving the Softness of BOPP Films:From Laboratory Investigation to Industrial Processing[J].Chinese Journal of Polymer Science,2017,35(9):1122-1131.
[12]陈晓伟.薄膜拉伸加工过程中的形变机理研究从定性结构表征到定量模型计算[D].2018.
[13]LiY,HeH,MaY,et al.Rheological and mechanical properties of ultrahigh molecular weight polyethylene/high density polyethylene/polyethylene glycol blends[J].Advanced Industrial and Engineering Polymer Research,2018,2(1):51-60.
[14]SmithPF,ChunI,LiuG,et al.Studies of optical haze and surface morphology of blown polyethylene films using atomic force microscopy[J].J Polymer Engineering Science,2010,36(16):2129-2134.
[15]陈晓勇.聚烯烃消光膜消光机理研究[D].四川大学,2006.