Chinese Journal of Applied Chemistry ›› 2023, Vol. 40 ›› Issue (12): 1662-1671.DOI: 10.19894/j.issn.1000-0518.230274
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Qian-Yu LI1,2, Jie LIU1(), Tao TANG1,2()
Received:
2023-09-11
Accepted:
2023-11-18
Published:
2023-12-01
Online:
2024-01-03
Contact:
Jie LIU,Tao TANG
About author:
liujie@ciac.ac.cnSupported by:
CLC Number:
Qian-Yu LI, Jie LIU, Tao TANG. Flame Retardancy of Polycarbonate/Short Carbon Fiber/Potassium 3‑(Phenylsulfonyl)benzenesulfonate Composites[J]. Chinese Journal of Applied Chemistry, 2023, 40(12): 1662-1671.
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URL: http://yyhx.ciac.jl.cn/EN/10.19894/j.issn.1000-0518.230274
Samples | w(PC)/% | w(sCF)/% | w(KSS)/% |
---|---|---|---|
PC | 100 | 0 | 0 |
PC/0.1KSS | 99.9 | 0 | 0.1 |
PC/2sCF | 98 | 2 | 0 |
PC/2sCF/0.1KSS | 97.9 | 2 | 0.1 |
Table 1 Formulations of PC and its composites
Samples | w(PC)/% | w(sCF)/% | w(KSS)/% |
---|---|---|---|
PC | 100 | 0 | 0 |
PC/0.1KSS | 99.9 | 0 | 0.1 |
PC/2sCF | 98 | 2 | 0 |
PC/2sCF/0.1KSS | 97.9 | 2 | 0.1 |
Samples | T1%/℃ | T5%/℃ | Tmax/℃ | w(residue)/% at 700 ℃ |
---|---|---|---|---|
PC | 430 | 471 | 518 | 21.3 |
PC/0.1KSS | 411 | 454 | 489 | 17.6 |
PC/2sCF | 432 | 475 | 514 | 23.7 |
PC/2sCF/0.1KSS | 412 | 453 | 488 | 20.8 |
Table 2 Thermal stability data of PC and PC composites in N2 atmosphere
Samples | T1%/℃ | T5%/℃ | Tmax/℃ | w(residue)/% at 700 ℃ |
---|---|---|---|---|
PC | 430 | 471 | 518 | 21.3 |
PC/0.1KSS | 411 | 454 | 489 | 17.6 |
PC/2sCF | 432 | 475 | 514 | 23.7 |
PC/2sCF/0.1KSS | 412 | 453 | 488 | 20.8 |
Samples | LOI/% | UL?94 | |||
---|---|---|---|---|---|
t1/s | t2/s | Dripping | Rating | ||
PC | 27.2 | 6.8±2.1 | 22.3±3.5 | Y | V?2 |
PC/0.1KSS | 34.6 | 3.3±1.3 | 3.1±2.1 | Y | V?2 |
PC/2sCF | 29.5 | 2.2±0.2 | 5.1±1.9 | Y | V?2 |
PC/2sCF/0.1KSS | 36.2 | 1.8±0.6 | 2.5±1.2 | N | V?0 |
Table 3 LOI and UL?94 data of PC and PC composites
Samples | LOI/% | UL?94 | |||
---|---|---|---|---|---|
t1/s | t2/s | Dripping | Rating | ||
PC | 27.2 | 6.8±2.1 | 22.3±3.5 | Y | V?2 |
PC/0.1KSS | 34.6 | 3.3±1.3 | 3.1±2.1 | Y | V?2 |
PC/2sCF | 29.5 | 2.2±0.2 | 5.1±1.9 | Y | V?2 |
PC/2sCF/0.1KSS | 36.2 | 1.8±0.6 | 2.5±1.2 | N | V?0 |
Samples | PC | PC/0.1KSS | PC/2sCF | PC/2sCF/0.1KSS |
---|---|---|---|---|
TTI/s | 126 | 93 | 127 | 92 |
pHRR/(kW·m-2) | 562 | 483 | 462 | 230 |
THR/(MJ·m-2) | 67.4 | 66.0 | 70.4 | 70.8 |
pSPR/(m2·s-1) | 0.23 | 0.15 | 0.17 | 0.10 |
TSP/m2 | 20.2 | 20.3 | 17.1 | 17.8 |
pCOP/(g·s-1) | 0.030 | 0.027 | 0.025 | 0.011 |
pCO2P/(g·s-1) | 0.384 | 0.358 | 0.330 | 0.169 |
FPI | 0.224 | 0.193 | 0.275 | 0.400 |
Char yield/% | 19.1 | 10.1 | 18.4 | 19.3 |
Table 4 Cone calorimeter test data of PC and PC composites
Samples | PC | PC/0.1KSS | PC/2sCF | PC/2sCF/0.1KSS |
---|---|---|---|---|
TTI/s | 126 | 93 | 127 | 92 |
pHRR/(kW·m-2) | 562 | 483 | 462 | 230 |
THR/(MJ·m-2) | 67.4 | 66.0 | 70.4 | 70.8 |
pSPR/(m2·s-1) | 0.23 | 0.15 | 0.17 | 0.10 |
TSP/m2 | 20.2 | 20.3 | 17.1 | 17.8 |
pCOP/(g·s-1) | 0.030 | 0.027 | 0.025 | 0.011 |
pCO2P/(g·s-1) | 0.384 | 0.358 | 0.330 | 0.169 |
FPI | 0.224 | 0.193 | 0.275 | 0.400 |
Char yield/% | 19.1 | 10.1 | 18.4 | 19.3 |
Fig.5 (A) GC spectra of pyrolysis products of PC and PC composites measured by Py-GC/MS at 550 ℃;(B) Composition of main degradation products of PC and PC composites
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