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US 2006/0235159 A1Published application
Transparent polyolefin compositions
AssigneeExxonMobil Chemical Patents Inc.
InventorsSudhin Datta, Weiguo Hu, Kristina Kwalik, Trazollah Ouhadi
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Abstract
Disclosed herein are various compositions, including a transparent compositions comprising propylene-based polymers and a hydrocarbon resin.
Claims48
A composition comprising:
- a first polymer component (FPC) comprising greater than 25 wt % propylene, the FPC having a MFR @230° C.≧about 25 g/10 min. and a melting temperature of ≧about 110° C.;
- a second polymer component (SPC) comprising propylene having a heat of fusion <75 J/g and a triad tacticity of from about 50% to about 99%, the SPC having an MFR @230° C.≦about 800 g/10 min.;
- and
- a hydrocarbon resin.
1 more element
A composition comprising:
- a first polymer component (FPC) comprising greater than 25 wt % propylene, the FPC having a MFR @230° C.≧about 25 g/10 min. and a melting temperature of ≧about 110° C.;
- a second polymer component (SPC) comprising 6-25 wt % ethylene and 75-94 wt % propylene based on the weight of propylene and ethylene, the SPC having a triad tacticity of from about 50% to about 99% and MFR @230° C.−about 800 g/10 min.;
- and
- a hydrocarbon resin.
1 more element
A composition comprising:
- (a) a first polymer component (FPC) comprising isotactic polypropylene having at least 90 wt % propylene, the FPC having a MFR @230° C.≧about 25 g/10 min. and a melting temperature of ≧about 110° C.;
- (b) a second polymer component (SPC) comprising from about 7.5 to about 17.5 wt % ethylene and from about 82.5 to about 92.5 wt % propylene based on the weight of propylene and ethylene in the SPC, the SPC having
- (i) a heat of fusion <75 J/g;
- (ii) a triad tacticity of from about 50% to about 99%,
- (iii) MFR @230° C.≦about 25,
- (iv) MWD of from about 1.5 to about 3.5;
- and
- (v) a melting temperature less than about 105° C.;
- and
- (c) a hydrocarbon resin having an initial YI color of ≦about 5.
7 more elements
Dependencies are inferred from the claim text.