METHOD AND APPARATUS FOR USE IN PACKAGING AND/OR STORING ATACTIC POLYPROPYLENE
- 申请公布号：
- CA1329687(C)
- 申请号：
- CA19890597738
- 申请日期：
- 1989.04.25
- 申请公布日期：
- 1994.05.24
- 申请人：
- REXENE PRODUCTS COMPANY
- 发明人：
- FOWLER, J. NICK
- 分类号：
- B29B9/06;B29B9/16;B29K23/00;C08J3/12;(IPC1-7):B29B9/06
- 主分类号：
- B29B9/06
- 摘要：
- IMPROVED METHOD AND APPARATUS FOR USE IN PACKAGING AND/OR STORING ATACTIC POLYPROPYLENE There are disclosed two embodiments of a method and apparatus for forming pellets of atactic polypropylene by extruding a rod of molten atactic polypropylene through an orifice of an extrusion head, moving a knife across the outlet of the orifice to cut the rod into a succession of pellets and substantially covering the pellets and knife with a dust-like material which is inert to the atactic polypropylene as the knife cuts the rod into pellets.
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