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US 2024/0150503 A1Published application
Propylene-ethylene copolymer compositions suitable for hot fill packaging of foodstuffs
AssigneeW.R. Grace & Co.-Conn.
InventorsMatthew Fedec, Jan Van Egmond, Manu Rego, John Kaarto, Li-Min Tau
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Abstract
A propylene-ethylene copolymer includes propylene as a primary monomer, an ethylene content (ET) of 3.0% to 5% by weight, a melt flow rate of from 20 to 45 g/10 min, a xylene soluble fraction (XS) of from 2.0% to 7.0% by weight, and an XS/ET ratio of less than or equal to 1.51.
Claims19
A propylene-ethylene copolymer comprising:
- propylene as a primary monomer;
- an ethylene content (ET) of about 3.0% to about 5% by weight;
- a melt flow rate of from about 20 to about 45 g/10 min;
- a xylene soluble fraction (XS) of from about 2.0% to about 7.0% by weight;
- and
- an XS/ET ratio of less than or equal to about 1.51.
3 more elements
Dependencies are inferred from the claim text.