发明申请
- 专利标题： HIGH MODULUS SINGLE-SITE LLDPE
- 专利标题（中）： 高模量单场LLDPE
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申请号： PCT/IB2015/059559申请日： 2015-12-11
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公开(公告)号： WO2016097956A1公开(公告)日： 2016-06-23
- 发明人: BORSE, Nitin , AUBEE, Norman , CHISHOLM, P. Scott
- 申请人： NOVA CHEMICALS (INTERNATIONAL) S.A.
- 申请人地址： Avenue de la Gare 14 CH-1700 Fribourg CH
- 专利权人： NOVA CHEMICALS (INTERNATIONAL) S.A.
- 当前专利权人： NOVA CHEMICALS (INTERNATIONAL) S.A.
- 当前专利权人地址： Avenue de la Gare 14 CH-1700 Fribourg CH
- 优先权： CA2874895 20141216
- 主分类号： C08J5/18
- IPC分类号： C08J5/18 ; C08L23/08
摘要：
Linear low density polyethylene (LLDPE) that is prepared with a single site catalyst has relatively low modulus in comparison to a polyethylene of similar melt index and density made with a conventional Zeigler Natta catalyst. Films that are prepared from polyethylene having a low modulus have a soft and flexible "feel", which is undesirable for some packaging applications. The present invention provides a method to increase the modulus of single site catalyzed linear low density polyethylene by mixing it with 10-2 wt. % of high density polyethylene and 200-10000 ppm of a nucleating agent.
