文章摘要
高 峰,文 研,刘慧慧,薛伊寰.发泡石头纸的制备和性能检测[J].包装工程,2011,32(11):21-25.
GAO Feng,WEN Yan,LIU Hui-hui,XUE Yi-huan.Preparation and Performance Test of Foam Rich Mineral Paper[J].Packaging Engineering,2011,32(11):21-25.
发泡石头纸的制备和性能检测
Preparation and Performance Test of Foam Rich Mineral Paper
投稿时间:2011-04-05  修订日期:2011-06-10
DOI:
中文关键词: 发泡  石头纸  微孔结构  包装材料
英文关键词: rich mineral paper  foam  porous structure  packaging materials
基金项目:
作者单位
高 峰 武汉大学 武汉 430079 
文 研 武汉大学 武汉 430079 
刘慧慧 武汉大学 武汉 430079 
薛伊寰 武汉大学 武汉 430079 
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中文摘要:
      在石头纸粒料中分别加入质量分数为0.1%,0.4%和0.7%的AC发泡剂,经过高速冷混、熔融混合后,从挤出机挤出预发泡纸膜,再经过热压使纸膜发泡,冷切后分别制得了厚度增加倍率为0.4,0.2和0.8的发泡石头纸。通过扫描电镜对发泡石头纸表面结构和横截面结构进行了观察,发现石头纸表面有微孔结构,石头纸内部的微孔结构规整,其孔壁在发泡产生的气体压力下被拉伸,随着发泡剂量的增加这种拉伸现象越明显。研究表明:发泡石头纸的密度比普通未发泡石头纸减小了16%~30%;石头纸中AC发泡剂质量分数为0.1%时,发泡石头纸的物理性能增强,质量分数为0.4%和0.7%时,其物理性能有所下降。
英文摘要:
      AC blowing agent of 0.1%, 0.4% and 0.7% mass fraction was added to pellets of rich mineral paper. Foam rich mineral paper with 0.4, 0.2 and 0.8 thickness increasing rate was prepared through high speed cooling mixing, melting and mixture, pre-foaming extruding, hot press foaming, cooling, and cutting. The surface and cross section structure of the foaming rich mineral paper was observed with SEM. Micro-porous structures was founded on the surface; porous structures within the foam rich mineral paper was regular arranged; pore walls of which is stretched under the pressure generated by foaming. The results showed that the density of foam rich mineral paper is 16% to 30% lighter than rich mineral paper; when the AC blowing agent addition is 0.1%, the physical performance of foaming rich mineral paper is enhanced; when the additions of the AC blowing agent are 0.4% and 0.7%, its physical properties decline a certain degree.
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