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            GAP 基 自 修 复 粘 结 剂 的 制 备 及 性 能
                                                                     58-65.
            自修复时间的增加,粘结剂的拉伸强度也随之增加,这
                                                                 [4] Huyang G,Debertin A E,Sun J. Design and development of
            可能是因为自修复时间越长,双硫键的动态交换作用
                                                                     self‐healing dental composites[J]. Materials & Design,2016,
                                                                     94:295-302.
            越充分,进而导致了自修复效率提高,因而拉伸强度也
                                                                 [5] Zhang Y,Ying H,Hart K R,et al. Malleable and recyclable
            能恢复并接近原样。
                                                                     poly(urea‐urethane) thermosets bearing hindered urea bonds
                                                                    [J]. Advanced Materials,2016,28(35):7646-7651.
                                                                 [6] Xu Y,Chen D. A novel self‐healing polyurethane based on di‐
                                                                     sulfide bonds[J]. Macromolecular Chemistry and Physics,
                                                                     2016,217(10):1191-1196.
                                                                 [7] An S Y,Noh S M,Nam J H,et al. Dual sulfide‐disulfide cross‐
                                                                     linked networks with rapid and room temperature self‐healabil‐
                                                                     ity[J]. Macromolecular Rapid Communications, 2015, 36
                                                                    (13):1255-1260.
                                                                 [8] Rekondo A,Martin R,Ruizdeluzuriaga A,et al. Catalyst‐free
                                                                     room‐temperature self‐healing elastomers based on aromatic
                                                                     disulfide metathesis[J]. Materials Horizons, 2014, 1(2):
                                                                     237-240.
            图 9  不同时间自修复后的粘结剂拉伸强度
            Fig.9  The tensile strength of binders at different self‐healing  [9] 杨一林,卢珣,王巍巍,等 . 热可逆自修复聚氨酯弹性体的制备及
                                                                     表征[J]. 材料工程,2017,45(8):1-8.
            time                                                     YANG Yi‐lin,LU Xun,WANG Wei‐wei,et al. Preparation and
                                                                     characterization of thermally reversible self‐healing polyure‐
                                                                     thane elastomer[J]. Journal of Materials Engineering,2017,45
            4  结 论                                                  (8):1-8.
                                                                [10] Jian X,Hu Y,Zhou W,et al. Self‐healing polyurethane based
                                                                     on disulfide bond and hydrogen bond[J]. Polymers for Ad⁃
               (1)采用一步法制备得到 GAP 基自修复粘结剂,
                                                                     vanced Technologies,DOI:10.1002/pat.4135.
            红外光谱和 XRD 结果表明其结构为氨基甲酸酯结构,
                                                                [11] 菅晓霞,郑启龙,胡义文,等 . PBT 弹性体力学性能及低温脆性研
                                                                     究[J]. 固体火箭技术,2017,40(2):189-193.
            且为无定形态,软硬段相分离不明显。三维显微镜观
                                                                     JIAN Xiao‐xia,ZHENG Qi‐long,HU Yi‐wen,et al. Mechanical
            察结果显示在 60 ℃自修复 24 h 后 GAP 基自修复粘结
                                                                     properties and low temperature embrittleness of PBT elastomer
            剂的表面基本无裂纹;
                                                                    [J]. Journal of Solid Rocket Technology, 2017, 40(2):
                                                                     189-193.
               (2)测 试 了 GAP 基 自 修 复 粘 结 剂 样 品 的 拉 伸 强
                                                                [12] 王巍巍 . 热可逆自修复弹性体的制备、结构与性能研究[D]. 广
            度,结果表明,GAP 基自修复粘结剂在自修复 5 h 后,
                                                                     州:华南理工大学,2015.
            自修复效率增加趋于平缓,24 h 能基本达到平衡。自                               WANG Wei‐wei. Studies on preparation,structure and proper‐
                                                                     ties of thermally reversible self‐healing elastomers[D]. Guang‐
            修复温度从 20 ℃提高到 60 ℃,粘结剂的自修复效率
                                                                     zhou:South China University of Technology,2015.
                                                                [13] Lafont U,Van Z H,Van d Z S. Influence of cross‐linkers on
            从 34.8% 提高到 72.4%。交联剂质量分数为 8% 的试
                                                                     the cohesive and adhesive self‐healing ability of polysul‐
            样,在 60 ℃处理 24 h 后自修复效率可达 98.2%,与对
                                                                     fide‐based thermosets[J]. ACS Applied Materials & Interfaces,
            比样的自修复效率(61.7%)相比,双硫键的引入提高
                                                                     2012,4(11):6280-6288.
                                                                [14] Yang J X,Long Y Y,Pan L,et al. Spontaneously healable ther‐
            了该粘结剂的自修复效率。
                                                                     moplastic elastomers achieved through one‐pot living ring‐open‐
                                                                     ing metathesis copolymerization of well‐designed bulky mono‐
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            CHINESE JOURNAL OF ENERGETIC MATERIALS              含能材料                2019 年  第 27 卷  第 2 期 (131-136)
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