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中国塑料 ›› 2021, Vol. 35 ›› Issue (11): 111-119.DOI: 10.19491/j.issn.1001-9278.2021.11.017
唐巧林, 赵雨, 张凯鑫, 余燕莉, 李年玲, 张雨衡, 胡佳玲, 钟柳(), 陈明军, 刘治国
收稿日期:
2021-04-10
出版日期:
2021-11-26
发布日期:
2021-11-23
基金资助:
TANG Qiaolin, ZHAO Yu, ZHANG Kaixin, YU Yanli, LI Nianling, ZHANG Yuheng, HU Jialing, ZHONG Liu(), CHEN Mingjun, LIU Zhiguo
Received:
2021-04-10
Online:
2021-11-26
Published:
2021-11-23
Contact:
ZHONG Liu
E-mail:12619831@qq.com
摘要:
采用自制的阻燃剂双{4-[4-(4-氨基苄基)苯氨基] [(6-氧二苯并[c,e][1,2]氧磷菲?6?基)甲基]苯基}苯基膦酸酯(DOP-DDM),以及DOP?DDM与金属氧化物复合,分别用于制备高效阻燃环氧树脂(EPM)。通过极限氧指数(LOI)、垂直燃烧(UL 94)和锥形量热燃烧试验评价了阻燃性能,利用热失重分析和动态热机械分析研究了热性能,热失重与红外光谱仪联用、扫描电子显微和拉曼光谱分析了阻燃机理。结果表明,DOP-DDM的引入会降低阻燃EPM的起始降解温度,但不会影响其玻璃化转变温度,提高了残炭率、储能模量、损耗模量和阻燃性能;DOP?DDM添加量为4.7 %(质量分数,下同),磷含量仅0.37 %,阻燃EPM的LOI 值为33.5 %,UL 94达V-0 级,热释放速率峰值、总热释放量和总烟释放量分别降低了23.2 %、17.8 %和12.4 %;3.7 %的DOP-DDM与1.0 %的Al2O3复合,阻燃EPM达UL 94 V-0级,不仅热释放速率峰值和总烟释放量进一步降低,而且CO和CO2毒气分别降低了7.7 %和17.2 %。
中图分类号:
唐巧林, 赵雨, 张凯鑫, 余燕莉, 李年玲, 张雨衡, 胡佳玲, 钟柳, 陈明军, 刘治国. 自制高效无卤含磷阻燃剂阻燃环氧树脂研究[J]. 中国塑料, 2021, 35(11): 111-119.
TANG Qiaolin, ZHAO Yu, ZHANG Kaixin, YU Yanli, LI Nianling, ZHANG Yuheng, HU Jialing, ZHONG Liu, CHEN Mingjun, LIU Zhiguo. Study on Self⁃made High Efficiency Halogen⁃free Phosphorus⁃containing Flame⁃retardant Epoxy Resin[J]. China Plastics, 2021, 35(11): 111-119.
样品编号 | 组分含量/% | |||||
---|---|---|---|---|---|---|
EP | DDM | DOP?DDM | Al2O3 | CuO | Cu2O | |
EPM | 82 | 18 | 0 | 0 | 0 | 0 |
EPM/3.2DOP?DDM | 82 | 18 | 3.2 | 0 | 0 | 0 |
EPM/3.9DOP?DDM | 82 | 18 | 3.9 | 0 | 0 | 0 |
EPM/4.7DOP?DDM | 82 | 18 | 4.7 | 0 | 0 | 0 |
EPM/3.2DOP?DDM/1.0Al2O3 | 82 | 18 | 3.2 | 1.0 | 0 | 0 |
EPM/3.2DOP?DDM/1.0CuO | 82 | 18 | 3.2 | 0 | 1.0 | 0 |
EPM/3.2DOP?DDM/1.0Cu2O | 82 | 18 | 3.2 | 0 | 0 | 1.0 |
样品编号 | 组分含量/% | |||||
---|---|---|---|---|---|---|
EP | DDM | DOP?DDM | Al2O3 | CuO | Cu2O | |
EPM | 82 | 18 | 0 | 0 | 0 | 0 |
EPM/3.2DOP?DDM | 82 | 18 | 3.2 | 0 | 0 | 0 |
EPM/3.9DOP?DDM | 82 | 18 | 3.9 | 0 | 0 | 0 |
EPM/4.7DOP?DDM | 82 | 18 | 4.7 | 0 | 0 | 0 |
EPM/3.2DOP?DDM/1.0Al2O3 | 82 | 18 | 3.2 | 1.0 | 0 | 0 |
EPM/3.2DOP?DDM/1.0CuO | 82 | 18 | 3.2 | 0 | 1.0 | 0 |
EPM/3.2DOP?DDM/1.0Cu2O | 82 | 18 | 3.2 | 0 | 0 | 1.0 |
样品 | DOP?DDM/% | P/% | LOI/% | UL 94 (3.2 mm) | |
---|---|---|---|---|---|
t1/t2(s)* | 级别 | ||||
EPM | 0 | 0 | 26.0 | ?? | 无 |
EPM/3.2DOP?DDM | 3.2 | 0.26 | 32.0 | 6.5/2.6 | V?1 |
EPM/3.9DOP?DDM | 3.9 | 0.31 | 32.3 | 5.1/2.5 | V?1 |
EPM/4.7DOP?DDM | 4.7 | 0.37 | 33.5 | 3.9/3.2 | V?0 |
EPM/3.2DOP?DDM/1.0Al2O3 | 3.2 | 0.26 | 33.2 | 4.6/2.1 | V?0 |
EPM/3.2DOP?DDM/1.0CuO | 3.2 | 0.26 | 32.8 | 5.1/3.8 | V?1 |
EPM/3.2DOP?DDM/1.0Cu2O | 3.2 | 0.26 | 32.7 | 5.4/3.7 | V?1 |
样品 | DOP?DDM/% | P/% | LOI/% | UL 94 (3.2 mm) | |
---|---|---|---|---|---|
t1/t2(s)* | 级别 | ||||
EPM | 0 | 0 | 26.0 | ?? | 无 |
EPM/3.2DOP?DDM | 3.2 | 0.26 | 32.0 | 6.5/2.6 | V?1 |
EPM/3.9DOP?DDM | 3.9 | 0.31 | 32.3 | 5.1/2.5 | V?1 |
EPM/4.7DOP?DDM | 4.7 | 0.37 | 33.5 | 3.9/3.2 | V?0 |
EPM/3.2DOP?DDM/1.0Al2O3 | 3.2 | 0.26 | 33.2 | 4.6/2.1 | V?0 |
EPM/3.2DOP?DDM/1.0CuO | 3.2 | 0.26 | 32.8 | 5.1/3.8 | V?1 |
EPM/3.2DOP?DDM/1.0Cu2O | 3.2 | 0.26 | 32.7 | 5.4/3.7 | V?1 |
样品 | TTI/s | pHRR /kW?m-2 | THR/MJ?m-2 | pSPR/m2?s-1 | TSP/m2 | pCOP/g?s-1 | pCO2P/g?s-1 |
---|---|---|---|---|---|---|---|
EPM | 64±1 | 1 015 | 90 | 0.313 | 3 811 | 0.026 | 0.64 |
EPM/4.7DOP?DDM | 54±1 | 780 | 74 | 0.276 | 3 338 | 0.030 | 0.58 |
EPM/3.2DOP?DDM/1.0Al2O3 | 54±1 | 744 | 75 | 0.259 | 3 199 | 0.024 | 0.53 |
样品 | TTI/s | pHRR /kW?m-2 | THR/MJ?m-2 | pSPR/m2?s-1 | TSP/m2 | pCOP/g?s-1 | pCO2P/g?s-1 |
---|---|---|---|---|---|---|---|
EPM | 64±1 | 1 015 | 90 | 0.313 | 3 811 | 0.026 | 0.64 |
EPM/4.7DOP?DDM | 54±1 | 780 | 74 | 0.276 | 3 338 | 0.030 | 0.58 |
EPM/3.2DOP?DDM/1.0Al2O3 | 54±1 | 744 | 75 | 0.259 | 3 199 | 0.024 | 0.53 |
样品 | T5%/°C | Tmax1/°C | Tmax2/°C | p1?DTG/%?°C?1 | p2?DTG/%?°C?1 | R700℃/% |
---|---|---|---|---|---|---|
EPM | 364 | 381 | - | - | -16.5 | 17.0 |
DOP?DDM | 306 | 347 | 491 | -4.6 | -2.0 | 48.7 |
EPM/4.7DOP?DDM | 335 | 378 | - | - | -9.7 | 21.8 |
EPM/3.2DOP?DDM/1.0Al2O3 | 331 | 377 | - | - | -10.1 | 20.5 |
样品 | T5%/°C | Tmax1/°C | Tmax2/°C | p1?DTG/%?°C?1 | p2?DTG/%?°C?1 | R700℃/% |
---|---|---|---|---|---|---|
EPM | 364 | 381 | - | - | -16.5 | 17.0 |
DOP?DDM | 306 | 347 | 491 | -4.6 | -2.0 | 48.7 |
EPM/4.7DOP?DDM | 335 | 378 | - | - | -9.7 | 21.8 |
EPM/3.2DOP?DDM/1.0Al2O3 | 331 | 377 | - | - | -10.1 | 20.5 |
样品 | E′(80 °C)/MPa | E′′/MPa | Tg/°C |
---|---|---|---|
EPM | 896 | 148 | 164 |
EPM/4.7DOP?DDM | 1 485 | 218 | 170 |
EP/3.2DOP?DDM/1.0Al2O3 | 1 320 | 149 | 156 |
样品 | E′(80 °C)/MPa | E′′/MPa | Tg/°C |
---|---|---|---|
EPM | 896 | 148 | 164 |
EPM/4.7DOP?DDM | 1 485 | 218 | 170 |
EP/3.2DOP?DDM/1.0Al2O3 | 1 320 | 149 | 156 |
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