Crystalline polypropylenes, process for preparing thereof, polypropylene compositions, and thermoformed products

Polypropylene composition comprising components soluble in 140° C. decane and, optionally, components insoluble in 140° C. decane, wherein components soluble in 140° C. decane further comprise components insoluble in 64° C. decane, wherein said component insoluble in 64° C. decane comprises crystalline polypropylene block copolymer, and satisfying the following characteristics:

• (1) intrinsic viscosity (η) (in 135° C. decalin), of from 0.5 to 10 dl/g;
• (2) molecular weight distribution (Mz/Mw), as determined by gel permeation chromatography (GPC;
• solvent:
• o-dichlorobenzene, measurement temperature:
• 140° C.) of at least 5;
• (3) pentad isotacticity (mmmm percentage), which is a stereoregularity index determined by the measurement of the 13C-NMR spectrum, of at least 98%;
• (4) D value, determined using formula (1) below, from the loss tangents, tan δ0.05 and tan δ10 measured at the frequencies, 0.05 rad/sec and 10 rad/sec, respectively, by a melt viscoelasticity measuring device, under a temperature of 230° C. and constant strain, and said loss tangent measurement frequencies, of at least 4.0, D = log ⁡ ( 0.05 ) - log ⁡ ( 10 ) log ⁡ ( tan ⁢ ⁢ δ 0.05 ) - log ⁡ ( tan ⁢ ⁢ δ 10 ) ( 1 )
• and,
• (5) molecular weight distribution (Mw/Mn), determined by gel permeation chromatography (GPC:
• solvent:
• o-dichlorobenzene, measurement temperature:
• 140° C.) of from 6.0 to 20.

Polypropylene composition comprising components soluble in 140° C. decane and, optionally, components insoluble in 140° C. decane, wherein said component soluble in 140° C. decane further comprises components insoluble in 64° C. decane and styrene copolymer which is soluble in 64° C. decane, wherein said components insoluble in 64° C. decane comprise crystalline polypropylene satisfying the following characteristics:

• (1) intrinsic viscosity (η) (in 135° C. decalin), of from 0.5 to 10 dl/g;
• (2) molecular weight distribution (Mz/Mw), as determined by gel permeation chromatography (GPC;
• solvent:
• o-dichlorobenzene, measurement temperature:
• 140° C.) of at least 5;
• (3) pentad isotacticity (mmmm percentage), which is a stereoregularity index determined by the measurement of the 13C-NMR spectrum, of at least 98%;
• (4) D value, determined using formula (1) below, from the loss tangents, tan δ0.05 and tan δ10 measured at the frequencies, 0.05 rad/sec and 10 rad/sec, respectively, by a melt viscoelasticity measuring device, under a temperature of 230° C. and constant strain, and said loss tangent measurement frequencies, of at least 4.0, D = [LeftBracketingBar] log ⁡ ( 0.05 ) - log ⁡ ( 10 ) log ⁡ ( tan ⁢ ⁢ δ 0.05 ) - log ⁡ ( tan ⁢ ⁢ δ 10 ) [RightBracketingBar] ( 1 )
• and,
• (5) molecular weight distribution (Mw/Mn), determined by gel permeation chromatography (GPC:
• solvent:
• o-dichlorobenzene, measurement temperature:
• 140° C.), of from 6.0 to 20.