Stock material or miscellaneous articles – Composite – Of metal
Patent
1996-03-04
1999-07-13
Thibodeau, Paul
Stock material or miscellaneous articles
Composite
Of metal
428457, 428523, 524126, 524135, 524543, 524570, 524579, B32B 1508
Patent
active
059224711
ABSTRACT:
Polypropylene random copolymer resins and metallized, heat sealable cast films produced from such resins include (1) a polypropylene-.alpha.-olefin random copolymer such as a propylene-butene-1 or propylene-ethylene random copolymer and (2) an additive package including a synthetic amorphous silica, a hindered phenolic antioxidant, a processing stabilizer and an acid acceptor. The compositions according to the invention are useful for the preparation of metallized, heat sealable packaging films suitable for protecting goods, particularly goods requiring a long shelf life such as foods or semiconductor products.
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Tarazano D Lawrence
Thibodeau Paul
Union Carbide Chemicals & Plastics Technology Corporation
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