Introduction
Experimental
Compositions (wt%) | Preparation of compositions | SP (°C) | CV (wt%) | TI (wt%) | QI (wt%) |
---|---|---|---|---|---|
CTP | − | 107.0 | 53.03 | 34.21 | 7.14 |
90 CTP + 10 PET | 260 °C 0.5 h | 127.0 | 53.62 | 45.80 | 13.31 |
75 CTP + 25 PET | 166.0 | 50.10 | 43.10 | 29.43 | |
50 CTP + 50 PET | 236.0 | 38.00 | 68.50 | 62.79 | |
90 CTP + 10 PMMA | 270 °C 1 h | 137.0 | 60.08 | 35.62 | 8.78 |
75 CTP + 25 PMMA | 145.0 | 48.33 | 29.36 | 9.22 | |
50 CTP + 50 PMMA | 200.0 | 28.79 | 23.03 | 10.49 | |
90 CTP + 10 PF | 150 °C 2.5 h | 128.0 | 54.16 | 55.18 | 10.14 |
75 CTP + 25 PF | 141.0 | 53.67 | 63.04 | 4.48 | |
50 CTP + 50 PF | * | 54.07 | 88.54 | 4.21 |
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softening point by “Ring and Ball” method (SP) according to the PN-EN 1427:2009 standard,
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coking value (CV) according to the PN-C-97093:1993 standard,
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content of components insoluble in quinoline (QI) according to the PN-C-97058:1999 standard and
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content of components insoluble in toluene (TI) according to the method elaborated in the Institute of Chemistry, Warsaw University of Technology in Plock.
Results and discussion
Pitch-poly(ethylene terephthalate) compositions
Pitch-poly(methylene methacrylate) compositions
Pitch-phenol-formaldehyde resin compositions
Conclusions
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for pitch-PET compositions, the increase of the size of dispersed aggregates caused the increase of softening point and content of TI and QI components and reduction of coking value,
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for compositions containing waste PMMA, the increase of the size of dispersed aggregates caused the increase of softening point and content of QI components, reduction of coking value and content of TI components and
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for pitch-PF compositions, the increase of the size of dispersed aggregates caused the increase of softening point and content of TI components and decrease content of QI components, while coking value changed insignificantly.