Interface Modification of Water Absorbent Microcapsules to Improve Impermeability of Cement-Based Materials

ZHANG Lu; MAO Qianjin; WU Wenwen; LI Runfeng; HAN Lei; WANG Ziming; CUI Suping

[1] LI W T, DONG B Q, YANG Z X, et al. Recent advances in intrinsic self-healing cementitious materials[J]. Advanced Materials, 2018, 30(17): 1705679.

[2] DONG B Q, FANG G H, WANG Y S, et al. Performance recovery concerning the permeability of concrete by means of a microcapsule based self-healing system[J]. Cement and Concrete Composites, 2017, 78: 84-96.

[3] WHITE S R, SOTTOS N R, GEUBELLE P H, et al. Autonomic healing of polymer composites[J]. Nature, 2001, 409(6822): 794-797.

[4] LV L Y, ZHANG H Z, SCHLANGEN E, et al. Experimental and numerical study of crack behaviour for capsule-based self-healing cementitious materials[J]. Construction and Building Materials, 2017, 156: 219-229.

[5] MAULUDIN L M, ZHUANG X Y, RABCZUK T. Computational modeling of fracture in encapsulation-based self-healing concrete using cohesive elements[J]. Composite Structures, 2018, 196: 63-75.

[6] LEE H X D, WONG H S, BUENFELD N R. Self-sealing of cracks in concrete using superabsorbent polymers[J]. Cement and Concrete Research, 2016, 79: 194-208.

[7] SNOECK D, VAN TITTELBOOM K, STEUPERAERT S, et al. Self-healing cementitious materials by the combination of microfibres and superabsorbent polymers[J]. Journal of Intelligent Material Systems and Structures, 2014, 25(1): 13-24.

[8] CRAEYE B, GEIRNAERT M, DE SCHUTTER G. Super absorbing polymers as an internal curing agent for mitigation of early-age cracking of high-performance concrete bridge decks[J]. Construction and Building Materials, 2011, 25(1): 1-13.

[9] WANG Y, YEH J T, YUE T J, et al. Surface modification of superfine tourmaline powder with titanate coupling agent[J]. Colloid and Polymer Science, 2006, 284(12): 1465-1470.

[11] ZHANG Q Q, GAO F, ZHANG C C, et al. Enhanced dielectric tunability of Ba0.6Sr0.4TiO3/poly(vinylidene fluoride) composites via interface modification by silane coupling agent［J］. Composites Science and Technology, 2016, 129: 93-100.

[12] LI H Y, WANG R G, HU H L, et al. Surface modification of self-healing poly(urea-formaldehyde) microcapsules using silane-coupling agent［J］. Applied Surface Science, 2008, 255(5): 1894-1900.

[13] UKAJI E, FURUSAWA T, SATO M, et al. The effect of surface modification with silane coupling agent on suppressing the photo-catalytic activity of fine TiO2 particles as inorganic UV filter［J］. Applied Surface Science, 2007, 254(2): 563-569.

[14] LIAO J G. Surface modification of nano-hydroxyapatite with silane agent［J］. Journal of Inorganic Materials, 2008, 23(1): 145-149.

[16] MAO Q J, CHEN J Y, QI W J, et al. Improving self-healing and shrinkage reduction of cementitious materials using water-absorbing polymer microcapsules［J］. Materials (Basel, Switzerland), 2022, 15(3): 847.

[18] VEGL F, UPUT-STRUPI J, KRLEP L, et al. The influence of aminosilanes on macroscopic properties of cement paste［J］. Cement and Concrete Research, 2008, 38(7): 945-954.

[19] VRANCKEN K C, POSSEMIERS K, VOORT P V D, et al. Surface modification of silica gels with aminoorganosilanes［J］. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 1995, 98(3): 235-241.

[21] MEHTA P K. Studies on blended Portland cements containing Santorin earth［J］. Cement and Concrete Research, 1981, 11(4): 507-518.