PDF
摘要
将少量聚丙烯(PP)混入聚对苯二甲酸丁二醇酯(PBT)中,制备了具有明显纳微米交替纤维层叠结构的熔喷非织造材料。通过扫描电镜探讨共混量及熔喷工艺参数(牵伸风温、牵伸风压及接收距离)对纳微结构的影响。结果表明:当聚合物温度低于295℃,PBT与PP混合呈“部分相容”状态,这是形成明显纳微结构的基础。在牵伸风温270℃,牵伸风压0.02MPa,接收距离20cm的条件下,PP含量为5%的混合原料可制备得到最细纤维直径0.32μm,最粗纤维直径10.88μm,CV值98.53%的双组分共混熔喷非织造材料。
Abstract
A small amount of polypropylene (PP) was mixed into polybutylene terephthalate (PBT) to prepare a meltblown nonwoven with a distinct nano-micro alternating fiber laminate structure.The effects of blending amount and meltblown process parameters (drafting air temperature,drafting air pressure and receiving distance) on the nano-micron structure were investigated by scanning electron microscopy.The results showed that when the polymer temperature was lower than 295℃,the mixing of PBT and PP was in a “partially compatible” state,which was the basis for the formation of an obvious nano-micro structure.When the drafting air temperature was 270℃,the drafting air pressure was 0.02MPa,and the receiving distance was 20cm,the mixed material with PP content of 5% could be made to a two-component meltblown nonwoven material with the finest fiber diameter of 0.32μm,the coarsest fiber diameter of 10.88μm and the CV value of 98.53%.
关键词
聚对苯二甲酸丁二醇酯
/
纳微米纤维
/
共混熔体状态
/
熔喷工艺
Key words
polybutylene terephthalate (PBT)
/
nano-micro fiber
/
blended melt state
/
meltblown process
聚丙烯/聚对苯二甲酸丁二醇酯共混熔喷非织造材料纳微纤维结构调控研究[J].
化工新型材料, 2023, 51(10): 161-166 DOI:10.19817/j.cnki.issn1006-3536.2023.10.027
[1] Ougizawa T,Weber M,Kitagawa T,et al.Novel application of reactive blending:tailoring morphology of PBT/SAN blends[J].Polymer,2004,45(3):1033-1043.
[2] Martin P,Maquet C,Legras R,et al.Particle-in-particle morphology in reactively compatibilized poly (butylene terephthalate)/epoxide-containing rubber blends-ScienceDirect[J].Polymer,2004,45(10):3277-3284.
[3] Kim E J,Yeo G D,Pai C M,et al.Preparation of surface-modified poly(butylene terephthalate) nonwovens and their application as leukocyte removal filters[J].Journal of Biomedical Materials Research Part B Applied Biomaterials,2010,90B(2):849-856.
[4] 赵博.PP/PE双组分熔喷医用非织造布基本性能的测试及分析[J].聚酯工业,2020,33(6):4-10.
[5] 甄琪,张恒,朱斐超,等.聚丙烯/聚酯双组分微纳米纤维熔喷非织造材料制备及其性能[J].纺织学报,2020,41(2):26-32.
[6] 何宏升.熔喷PS/PP非织造材料制备与性能研究[D].天津:天津工业大学,2018.
[7] 罗祎玮,信春玲,李小刚,等.PP-PBT原位微纤复合材料制备工艺及流变行为[J].塑料,2016,45(2):4-7.
[8] 王赛博.结晶性低熔点聚酯及其纤维的制备研究[D].上海:东华大学,2016.
[9] Deng Nanping,He H,Yan J,et al.One-step melt-blowing of multi-scale micro/nano fabric membrane for advanced air-filtration[J].Polymer,2019,165:174-179.
基金资助
中国博士后科学面上基金项目(2021M691965)
