发明授权
- 专利标题： Films for packaged articles eliminating air entrapment
- 专利标题（中）： 包装文章的电影消除空气进入
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申请号： US374707申请日： 1989-07-03
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公开(公告)号： US5162154A公开(公告)日： 1992-11-10
- 发明人: John H. Tucker
- 申请人： John H. Tucker
- 申请人地址： DE Wilmington
- 专利权人： E. I. Du Pont de Nemours and Company
- 当前专利权人： E. I. Du Pont de Nemours and Company
- 当前专利权人地址： DE Wilmington
- 主分类号： B65B11/52
- IPC分类号： B65B11/52 ; B32B7/02 ; B65D65/38 ; B65D65/40 ; B65D75/30 ; C08J5/18
摘要：
Packages containing articles with smooth surfaces can be prepared without entrapment of air between the packaging film and the smooth surface of the articles by selecting a packaging film having at least one surface which comprises a polymer which in film form exhibits a specular gloss of at least about 20, measured at an angle of 20 degrees and a synthetic amorphous silica having particle size of about 0.5 to about 50 micrometers.
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