Claims
- 1. A propylene polymer having such properties that:a melt flow rate (MFR) of said polymer at 230° C. under a load of 2.16 kg is in the range of 0.1 to 500 g/10 min, a pentad isotacticity M5 obtained from the following formula (1) using absorption intensity Pmmmm and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.970 to 0.995, a pentad tacticity M3 obtained from the following formula (2) using absorption intensity Pmmrm, Pmrmr, Pmrrr, Prmrr, Prmmr, Prrrr and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.0020 to 0.0050, and a crystallinity of a boiled heptane-insoluble component contained in said polymer is 70 to about 79.3%; M5=PmmmmPw(1)whereinPmmmm is absorption intensity of methyl groups present in the third unit among continuous five propylene units which are bonded to each other with meso form, and Pw is absorption intensity of all methyl groups in a propylene unit; M3=Pmmrm+Pmrmr+Pmrrr+Prmrr+Prmmr+PrrrrPw(2)whereinPmmrm is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit, andwherein said propylene polymer contains 10-10,000 ppm of polymer comprising constituent units derived from a compound represented by the following formula (i) or (ii): wherein X is a cycloalkyl group, an aryl group or M is carbon or silicon, R1 and R2 are each a hydrocarbon group, and R3 is hydrogen or a hydrocarbon group.
- 2. A propylene polymer having such properties that:a melt flow rate (MFR) of said polymer at 230° C. under a load of 2.16 kg is in the range of 0.1 to 500 g/10 min, a pentad isotacticity M5 obtained from the following formula (1) using absorption intensity Pmmmm and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.970 to 0.995, a pentad tacticity M3 obtained from the following formula (2) using absorption intensity Pmmrm, Pmrmr, Pmrrr, Prmrr, Prmmr, Prrrr and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.0020 to 0.0050, and a crystallinity of a boiled heptane-insoluble component contained in said polymer is 65% to about 79.3%; M5=PmmmmPw(1)whereinPmmmm is absorption intensity of methyl groups present in the third unit among continuous five propylene units which are bonded to each other with meso form, and Pw is absorption intensity of all methyl groups in a propylene unit; M3=Pmmrm+Pmrmr+Pmrrr+Prmrr+Prmmr+PrrrrPw(2)whereinPmmrm is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit.
- 3. The propylene polymer as claimed in claim 2, wherein said propylene polymer contains 10-10,000 ppm of polymer comprising constituent units derived from a compound represented by the following formula (i) or (ii): wherein X is a cycloalkyl group, an aryl group or M is carbon or silicon, R1 and R2 are each a hydrocarbon group, and R3 is hydrogen or a hydrocarbon group.
- 4. The propylene polymer as claimed in claim 3 having a melt flow rate (MFR) of said polymer at 230° C. under a load of 2.16 kg in the range of 12.5 to 300 g/10 min.
- 5. The propylene polymer as claimed in claim 2 having a crystallinity of a boiled heptane-insoluble component contained in said polymer of 70% to about 79.3%.
- 6. A propylene polymer having such properties that:a melt flow rate (MFR) of said polymer at 230° C. under a load of 2.16 kg is in the range of 12.5 to 300 g/10 min, a pentad isotacticity M5 obtained from the following formula (1) using absorption intensity Pmmmm and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.970 to 0.995, a pentad tacticity M3 obtained from the following formula (2) using absorption intensity Pmmrm, Pmrmr, Pmrrr, Prmrr, Prmmr, Prrrr and Pw in a 13C-NMR spectrum of a boiled heptane-insoluble component contained in said polymer is in the range of 0.0020 to 0.0050, and a crystallinity of a boiled heptane-insoluble component contained in said polymer is 70% to about 79.3%; M5=PmmmmPw(1)whereinPmmmm is absorption intensity of methyl groups present in the third unit among continuous five propylene units which are bonded to each other with meso form, and Pw is absorption intensity of all methyl groups in a propylene unit; M3=Pmmrm+Pmrmr+Pmrrr+Prmrr+Prmmr+PrrrrPw(2)whereinPmmrm is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Pmrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prmmr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit,Prrrr is absorption intensity of methyl groups present in the third unit among continuous five propylene units represented by in which ┘ and ┐ are each a propylene unit, andwherein said propylene contains 10-10,000 ppm of polymer comprising constituent units derived from a compound represented by the following formula (i) or (ii): wherein X is a cycloalkyl group, an aryl group or M is carbon or silicon, R1 and R2 are each a hydrocarbon group, and R3 is hydrogen or a hydrocarbon group.
Parent Case Info
This application is a continuation of application Ser. No. 08/094,977, filed Jul. 22, 1993 now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4990477 |
Kioka et al. |
Feb 1991 |
|
4990479 |
Ishimaru et al. |
Feb 1991 |
|
5247031 |
Kioka et al. |
Sep 1993 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
08/094977 |
Jul 1993 |
US |
Child |
08/351136 |
|
US |