Physical Foaming and Crosslinking of Polyethylene with Modified Talcum
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Modification of Talcum
2.3. Crosslinking Experiments
Characterization of the Degree of Crosslinking of the Swelling Tests
2.4. Foaming Experiments
Characterization of the Foamed Samples
3. Results and Discussion
3.1. Modification of Talcum
3.2. Crosslinking Experiments
3.3. Foaming Experiments
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Is Equal to 100 phr | Additives | |||
---|---|---|---|---|
Sample | LDPE/EOC (Ratio) | 1.6 wt% | Silane (phr) | Dicumyl Peroxide (phr) |
Sample 1 | 80/20 | - | - | - |
Sample 2 | 80/20 | - | 4 | 0.5 |
Sample 3 | 80/20 | pure talcum | 4 | 0.5 |
Sample 4 | 80/20 | talcum modified with chlorinated azoinitiator | 4 | 0.5 |
LDPE/EOC (Ratio) | Pure Talcum (wt%) | Modified Talcum (wt%) | N2 (wt%) | |
---|---|---|---|---|
Blend 1 | 80/20 | 2 | - | 0.05 |
Blend 2 | 80/20 | - | 2 | 0.05 |
Blend 3 | 80/20 | - | - | - |
Sample | η0 (kPa s) | G’ (kPa) |
---|---|---|
Sample 4 | 303.6 | 29.2 |
Sample 2 | 151.8 | 13.4 |
Sample 3 | 65.2 | 4.4 |
Sample 1 | 21.4 | 0.8 |
Sample | Molar Mass Mc (g/mol) |
---|---|
Sample 2 | 2.1 × 105 |
Sample 4 | 1.1 × 105 |
Sample | Density (kg/m³) |
---|---|
Blend 3 | 902 |
Blend 1 | 323 |
Blend 2 | 274 |
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Kaltenegger-Uray, A.; Rieß, G.; Lucyshyn, T.; Holzer, C.; Kern, W. Physical Foaming and Crosslinking of Polyethylene with Modified Talcum. Polymers 2019, 11, 1472. https://doi.org/10.3390/polym11091472
Kaltenegger-Uray A, Rieß G, Lucyshyn T, Holzer C, Kern W. Physical Foaming and Crosslinking of Polyethylene with Modified Talcum. Polymers. 2019; 11(9):1472. https://doi.org/10.3390/polym11091472
Chicago/Turabian StyleKaltenegger-Uray, Anna, Gisbert Rieß, Thomas Lucyshyn, Clemens Holzer, and Wolfgang Kern. 2019. "Physical Foaming and Crosslinking of Polyethylene with Modified Talcum" Polymers 11, no. 9: 1472. https://doi.org/10.3390/polym11091472