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US 12,264,233 B2Granted
Compositions containing low molecular weight propylene-based polymers and an olefin multi-block copolymer
AssigneeDow Global Technologies LLC
InventorsAllan Walter Mclennaghan, Yi Jin
Life of this patent
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Abstract
A composition comprising the following components: A) propylene/ethylene copolymer that has a density ≤0.880 g/cc, and a MWD(conv) from 2.00 to 3.00 and a melt viscosity (177 C)≤80,000 mPa*s; B) olefin multi-block copolymer that has a density ≤0.890 g/cc and a melt index (I2)≥0.5 g/10 min.
Claims14
A composition comprising the following components:
- A) from 5.0 wt % to 25 wt % of a propylene/ethylene copolymer, based on weight of the composition, that has a density ≤0.880 g/cc, and a Mw/Mn from 2.00 to 4.00 and a melt viscosity, at 177° C.≤80,000 mPa·s;
- B) olefin multi-block copolymer that has a density ≤0.890 g/cc and a melt index (I2)≥0.5 g/10 min;
- wherein the composition comprises ≤0.10 wt % of an ethylene-based polymer, based on the weight of the composition, not including the copolymer of component B.
Dependencies are inferred from the claim text.