Crystallization of Random Metallocene-Catalyzed Propylene-Based Copolymers with Ethylene and 1-Hexene on Rapid Cooling
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
2.3. Mechanical and Optical Properties
3. Results
3.1. Non-Isothermal Crystallization
3.2. Nucleation Effects
3.3. Mechanical and Optical Properties
4. Conclusions and Outlook
Author Contributions
Funding
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
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Polymer Code | C2 (wt.-%) | C6 (wt.-%) | Tm1 (°C) | MFR 2 (g/(10 min)) |
---|---|---|---|---|
SSC.iPP-0 | 0 | 154 | 8.0 | |
SSC.iPP.Eth-3 | 2.6 | - | 1.8 | |
SSC.iPP.Hex-3 | 3.0 | 137 | 1.5 | |
SSC.iPP.Hex-5 | 5.3 | 135 | 1.5 | |
ZN.iPP-0 | 0 | 165 | 8.0 | |
ZN.iPP.Eth-4 | 4.4 | 140 | 2.0 |
Polymer Code | C2 (wt.-%) | Tm1 (°C) | MFR 2 (g/(10 min)) |
---|---|---|---|
SSC.iPP.Eth-04-Nu | 0.4 | 155 | 1.5 |
SSC.iPP.Eth-2-Nu | 2.2 | 130 | 1.3 |
SSC.iPP.Eth-3-Nu | 3.3 | 125 | 1.8 |
SSC.iPP.Eth-5-Nu | 5.0 | 112 | 1.2 |
ZN.iPP.Eth-4-Nu | 4.4 | 145 | 1.7 |
ZN.iPP.Eth-2-Nu | 2.2 | 152 | 2.2 |
Parameters, Units | 80 × 10 × 4 mm3 | 60 × 60 × 1 mm3 |
---|---|---|
Melt temperature, °C | 230 | 230 |
Tool temperature, °C | 40 | 40 |
Holding pressure time, s | 40 | 40 |
Flow front speed, mm/s | 206 | 56 |
Cooling time, s | 15 | 15 |
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Mileva, D.; Wang, J.; Androsch, R.; Jariyavidyanont, K.; Gahleitner, M.; Bernreitner, K. Crystallization of Random Metallocene-Catalyzed Propylene-Based Copolymers with Ethylene and 1-Hexene on Rapid Cooling. Polymers 2021, 13, 2091. https://doi.org/10.3390/polym13132091
Mileva D, Wang J, Androsch R, Jariyavidyanont K, Gahleitner M, Bernreitner K. Crystallization of Random Metallocene-Catalyzed Propylene-Based Copolymers with Ethylene and 1-Hexene on Rapid Cooling. Polymers. 2021; 13(13):2091. https://doi.org/10.3390/polym13132091
Chicago/Turabian StyleMileva, Daniela, Jingbo Wang, René Androsch, Katalee Jariyavidyanont, Markus Gahleitner, and Klaus Bernreitner. 2021. "Crystallization of Random Metallocene-Catalyzed Propylene-Based Copolymers with Ethylene and 1-Hexene on Rapid Cooling" Polymers 13, no. 13: 2091. https://doi.org/10.3390/polym13132091