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可再生阻燃疏水复合纸板的制备及其力学性能

万成婕 陈景华 杨小贤 符学栋 马兰 许楚悦 陈烨

万成婕, 陈景华, 杨小贤, 等. 可再生阻燃疏水复合纸板的制备及其力学性能[J]. 复合材料学报, 2022, 39(5): 2201-2214. doi: 10.13801/j.cnki.fhclxb.20210702.003
引用本文: 万成婕, 陈景华, 杨小贤, 等. 可再生阻燃疏水复合纸板的制备及其力学性能[J]. 复合材料学报, 2022, 39(5): 2201-2214. doi: 10.13801/j.cnki.fhclxb.20210702.003
WAN Chengjie, CHENG Jinghua, YANG Xiaoxian, et al. Preparation of flame retardant hydrophobic renewable composite paperboard and its mechanical properties[J]. Acta Materiae Compositae Sinica, 2022, 39(5): 2201-2214. doi: 10.13801/j.cnki.fhclxb.20210702.003
Citation: WAN Chengjie, CHENG Jinghua, YANG Xiaoxian, et al. Preparation of flame retardant hydrophobic renewable composite paperboard and its mechanical properties[J]. Acta Materiae Compositae Sinica, 2022, 39(5): 2201-2214. doi: 10.13801/j.cnki.fhclxb.20210702.003

可再生阻燃疏水复合纸板的制备及其力学性能

doi: 10.13801/j.cnki.fhclxb.20210702.003
基金项目: 大学生创新创业项目(XJ2021450)
详细信息
    通讯作者:

    陈景华,博士,副教授,硕士生导师,研究方向为复合包装材料、阻燃材料 E-mail:cjhshl@163.com

  • 中图分类号: TB34

Preparation of flame retardant hydrophobic renewable composite paperboard and its mechanical properties

  • 摘要: 为了研制一种兼具阻燃性及疏水性并有优良力学性能的可再生复合纸板,本研究以聚磷酸铵(APP)-卡拉胶(KC)构建了膨胀型阻燃体系(IFR),以正硅酸乙酯(TEOS)-甲基三甲氧基硅烷 (MTMS)@氢氧化镁铝(MAH)作为协同阻燃剂、以硅烷偶联剂KH550(AEMO)@SiO2作为疏水性填料、以可再生纸浆为基材,制备了APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2)复合纸板,并测得其力学性能;采用垂直燃烧实验和极限氧指数(LOI)表征纸板的阻燃效果;采用FE-SEM表征微观形貌;通过FTIR分析燃烧前后功能团变化;利用TG分析其热稳定性;采用接触角(CA)测试、滚动角(SA)测试等来测定其疏水性能。测试结果发现,复合纸板吸水率为1.78 g·m−2、戳穿强度为6.4 J;边压强度为8.3 kN·m−1、平压强度为360 kPa。采用优选配方(APP、KC、MTH、ATH的质量比为3∶2∶1∶1)时LOI达到32%;燃烧实验后得炭化长度为19 mm,续焰时间为0.5 s,灼焰时间为3 s。TG结果表明其残炭量为37.5%。SEM结果表明燃烧后的复合纸板表面具有发泡炭层且纤维完整。CA达110.2°,SA为12°,含水率较原纸版降低232%。APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2)复合纸板具有良好阻燃性、疏水性及力学性能。

     

  • 图  1  聚磷酸铵(APP)-卡拉胶(KC)-[(正硅酸乙酯(TEOS)-甲基三甲氧基硅烷(MTMS))@氢氧化镁铝(MAH)]-(硅烷偶联剂KH550(AEMO)@SiO2)纸板制备工艺流程图

    Figure  1.  Process flow chart of preparing ammonium polyphosphate (APP)-carrageenan (KC)-[(tetraethylorthosilicate(TEOS)-methyltrimethoxysilane (MTMS)@magnesium aluminum hydroxide(MAH)]-(silane coupling agent KH550 (AEMO)@SiO2) flame retardant hydrophobic paper

    Hac—Acetic acid; MTH—Magnesium hydroxide; ATH—Aluminium hydroxide; CMC—Carboxymethyl cellulose sodium

    图  2  APP-KC-MTH-ATH复合纸板燃烧实验法的部分结果图示

    Figure  2.  Results of combustion test results of APP-KC-MTH-ATH composite board

    图  3  APP-KC-MTH-ATH体系的反应原理

    Figure  3.  Reaction principle of APP-KC-MTH-ATH

    图  4  APP-KC-MTH-ATH复合纸板氧指数值实际值和预测值对比

    Figure  4.  Comparison of actual and predicted oxygen index values of APP-KC-MTH-ATH composite paperboard

    图  5  (TEOS-MTMS)@MAH与MAH的SEM图像

    Figure  5.  SEM images of (TEOS-MTMS)@MAH and MAH

    图  6  APP-KC-[(TEOS-MTMS)@MAH]复合纸板的FTIR图谱

    Figure  6.  FTIR spectra of APP-KC-[(TEOS-MTMS)@MAH] composite paperboard

    图  7  APP-KC-[(TEOS-MTMS)@MAH]复合纸板及对照样的TG曲线

    Figure  7.  TG curves of APP-KC-[(TEOS-MTMS)@MAH] composite paperboard and control sample

    图  8  原纸及APP-KC-[(TEOS-MTMS)@MAH]复合纸板未燃烧时的SEM图像

    Figure  8.  SEM images of unburned base paper and unburned APP-KC-[(TEOS-MTMS)@MAH] composite paperboard

    图  9  原纸纸板及APP-KC-[(TEOS-MTMS)@MAH]复合纸板燃烧后的SEM图像

    Figure  9.  SEM images of the paperboard and APP-KC-[(TEOS-MTMS)@MAH] composite board after combustion

    图  10  AEMO@SiO2与纸板基材连接形式

    Figure  10.  Connection form of AEMO@SiO2 and paperboard

    图  11  APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2)复合纸板与对照样的接触角实验结果

    Figure  11.  Experiment of contact angle between APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2) composite paperboard and control sample

    图  12  APP-KC-[(TEOS-MTMS)@MAH]-AEMO@SiO2复合纸板及对照样的相对含水率图

    Figure  12.  Relative moisture content of modified flame retardant andmodified and added hydrophobic filler

    表  1  APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@ SiO2)复合纸板配方

    Table  1.   Formula of APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2) composite paperboard

    NoComponentsMass ratio
    1 TEOS∶MTMS∶Hac∶D H2O 34∶66∶5∶45
    2 AEMO∶SiO2∶Ethanol 2∶0.8∶97.2
    3 Dry fiber quantity in paper pulp∶Total amount of flame retardant 4.5∶1
    下载: 导出CSV

    表  2  SPSS设计APP、氢氧化镁(MTH)、氢氧化铝(ATH)和KC配比表

    Table  2.   SPSS design of APP, magnesium hydroxide (MTH), aluminium hydroxide (ATH) and KC ratio table

    Order Composition/g
    APP/gMTH/gATH/gKC/g
    SPL1 0 0 0 0
    SPL2 10 10 0 10
    SPL 3 15 15 0 15
    SPL 4 5 5 0 5
    SPL 5 5 15 10 0
    SPL 6 15 10 5 0
    SPL 7 10 5 15 0
    SPL 8 0 15 15 10
    SPL 9 15 0 15 5
    SPL10 0 10 10 5
    SPL11 5 10 15 15
    SPL12 5 0 5 10
    SPL13 10 0 10 15
    SPL14 10 15 5 5
    SPL15 15 5 10 10
    SPL16 0 5 5 15
    下载: 导出CSV

    表  3  阻燃配方的燃烧实验及氧指数结果

    Table  3.   Combustion experiment and oxygen index results of flame retardant formulation

    OrderTotal amount of
    flame retardant/g
    Damaged length/
    mm
    After flame
    time/s
    Ignition
    time/s
    Limiting oxygen
    index (LOI)/%
    SPL1 0 200 10 35 17.2
    SPL2 30 67 5 24 25.2
    SPL3 45 22 5 16 29.5
    SPL4 15 135 10 20 23.6
    SPL5 30 72 5 9 28.8
    SPL6 30 80 2 13 27.6
    SPL7 30 62 1 6 26.4
    SPL8 40 54 2 12 29.3
    SPL9 35 68 4 8 28.5
    SPL10 25 159 7 14 23.5
    SPL11 45 19 0.5 3 33.4
    SPL12 20 105 8 25 24.6
    SPL13 35 32 2 15 30.6
    SPL14 35 20 0.8 5 32.8
    SPL15 40 18 0.7 3 33.2
    SPL16 25 120 5 18 25
    下载: 导出CSV

    表  4  APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2)复合纸板与对照样力学性能对比

    Table  4.   Comparison of mechanical properties between APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2) composite paperboard and control sample

    SamplePuncture strength/JEdge pressure strength/(kN·m−1)Flat compression strength
    /kPa
    Water absorption/(g·m−2)
    Base paperboard
    5.7 5.2 323.20 2.56
    APP-KC-[(TEOS-MTMS)@MAH] composite paperboard 6.1 6.2 355.25 2.32
    APP-KC-[(TEOS-MTMS)@MAH]-(AEMO@SiO2)
    composite paperboard
    6.4 8.3 360 1.78
    下载: 导出CSV
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  • 收稿日期:  2021-04-20
  • 修回日期:  2021-06-11
  • 录用日期:  2021-06-27
  • 网络出版日期:  2021-07-02
  • 刊出日期:  2022-03-23

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