文章摘要
闫成云,韩永生.硅灰石填充保鲜膜的性能研究[J].包装工程,2013,34(1):18-21,25.
YAN Cheng-yun,HAN Yong-sheng.Research on Properties of Wollastonite Filled Frech-keeping Film[J].Packaging Engineering,2013,34(1):18-21,25.
硅灰石填充保鲜膜的性能研究
Research on Properties of Wollastonite Filled Frech-keeping Film
投稿时间:2012-05-26  修订日期:2013-01-10
DOI:
中文关键词: 硅灰石  保鲜膜  酸处理
英文关键词: wollastonite  fresh-keeping film  acid treatment
基金项目:
作者单位
闫成云 天津科技大学, 天津 300222 
韩永生 天津科技大学, 天津 300222 
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中文摘要:
      为增加保鲜膜透气和透湿性能,以 LLDPE/ LDPE(质量比 75 : 25)为基材,以硅灰石为填料,制备了不同处理方式和不同添加量的硅灰石保鲜膜。 结果表明:随着硅灰石添加量的增加,薄膜的拉伸强度和断裂伸长率逐渐降低,未经处理的硅灰石填充膜的透气和透湿量明显提高,经偶联剂和酸处理的硅灰石能很好地提高与树脂的相容性,薄膜的拉伸强度和断裂伸长率都高于未处理填充膜,且透气系数和透湿系数与空白膜相比也有明显改善。
英文摘要:
      LLDPE/ LDPE (75 : 25, W/ W) and wollastonite were used as the substrate and inorganic stuffing respectively to prepare fresh-keeping film of different treatments and different additives. The results showed that with the increase of added wollastonite amount, the tensile strength and elongation at break of the film decreases gradually, but oxygen rate and moisture content of the untreated film is improved a lot; the coupling agent and acid treatment improves the compatibility between wollastonite and the resin; the tensile strength and elongation at break of the treated film were better than the untreated, and oxygen rate and moisture permeability quantity are also improved obviously compared with the blank film.
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