中国塑料 ›› 2008, Vol. 22 ›› Issue (05): 63-66 .DOI: 10.19491/j.issn.1001-9278.2008.05.013

• 加工与应用 • 上一篇    下一篇

轮胎生胶片隔离保鲜专用膜的配方研究

林渊智   

  1. 福州佳通第一塑料有限公司,福建福州350014
  • 收稿日期:2008-01-21 修回日期:1900-01-01 出版日期:2008-05-25 发布日期:2008-05-25

Formula of Films Keeping Raw Rubber Sheets of Tire Apart and Fresh

LIN Yuzn-zhi   

  1. Fuzhou GT No.1 Plastic Co.,Ltd.,Fuzhou 350014,China
  • Received:2008-01-21 Revised:1900-01-01 Online:2008-05-25 Published:2008-05-25
  • Contact: LIN Yuzn-zhi

摘要: 采用二层共挤吹塑法制得薄膜,研究了表层中高密度聚乙烯(PF-HD)/低密度聚乙烯(PE-LD)共混比例、各种添加剂对薄膜与轮胎生胶片之间的剥离及生胶保鲜状况的影响,探讨了芯层中再生料、填料添加量等对薄膜强度的影响。结果表明,表层用PF-HD与PE-LD按1/1到2/l比例共混,再添加1.5%-2.0%,(质量分数,下同)的防黏母料及3.0%-3.5%的抗紫外线母料,芯层用30%,高强度的茂金属聚乙烯掺混20%,线形低密度聚乙烯40%再生料及10%填充料,可以生产出同时具有隔离、保鲜功能且成本低的轮胎生胶片隔离保鲜专用膜。

关键词: 聚乙烯, 薄膜, 隔离, 保鲜, 生胶片, 配方

Abstract: The protecting film for raw rubber sheets was prepared via three-layer co-extrusion blowing.PE-HD /PE-LD)(1/1 to 2/1)containing 1.5%一2.0% antiblock agent and 3.0%一3.5% anti-UV agent were used in the skin layer. The core layer was composed of metallocene PE,PE-LLD, recycled PE,and filler at weight ratios of 30/20/40/10.The obtained protecting film possessed excellent barrier propcrties.

Key words: polyethylene, film, aparting, fresh-keeping, raw rubber sheet, formula