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US 2022/0033543 A1Published application
Polyolefin composition for carpet backing
AssigneeBasell Poliolefine Italia S.r.l.
InventorsGIANLUCA MUSACCHI, ROBERTA MARCHINI, STEFANO SPATARO, STEFANO PASQUALI
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Abstract
A filled polyolefin composition made from or containing butene-1 copolymers having high melt flow and an inorganic filler. The compositions are useful for carpet backing.
Claims15
A filled polyolefin composition comprising:
- (A) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene, propylene, C5-C10 alpha-olefins and mixtures thereof, having copolymerized comonomer content of 0.5-5.0 wt. % and Melt Flow Rate (MFR) values measured according to ISO 1133 (190° C., 2.16 kg) higher than or equal to 200 g/10 min and
- (B) up to 80 wt. % of an inorganic filler,
- wherein the amounts of (A) and (B) are referred to the total weight of (A)+(B).
Dependencies are inferred from the claim text.