※改性聚乙烯醇（PVA）纤维的特点
※characteristics of MPVAF
◎抗拉强度和弹性模量高
◎与水泥基材料化学相容性好
◎亲水性，保水性
◎与水泥基材料界面粘合力强
◎耐光耐氧化
◎经改性后分散性良好
◎施工便利，无需改变投料顺序，无需延长拌合时间，无需增加混凝土水胶比
◎PVA原料可降解，是环境友好型材料
◎High tensile strength and high modulus of elasticity
◎Favorable chemical compatibility with cement-based materials
◎Hydrophilic, water retention
◎Strong interface adhesive force with cement-based materials
◎Light resistance, oxidation resistance
◎Good dispersibility after modification
◎Convenient for construction, no need of any change of feeding procedures, extension of duration of mixing or increasing of water-cement ratio for concrete
◎Raw materials of PVA are degradable and environmentally friendly materials. |