涂料漆膜形态自修复行为的研究 关键词：自修复；耐划伤；聚氨酯 [gap=593]Key Words：self healing；scratch resistance；polyurethane
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A coating with 4wt% nano-SiO_2 has its abrasion resistance enhanced by a factor of 2.4; when the added nano-SiO_2 reaches a concentration of 5wt% the scratch resistance doubles and the hardness is improved from 2H to 3H.
纳米SiO_2添加量为4wt%的涂膜,耐磨性提高2.4倍;当添加量达到5wt%时,耐划伤性提高1倍,硬度由2H提高到3H。
参考来源 - 纳米SiO·2,447,543篇论文数据，部分数据来源于NoteExpress
二看硬度，耐划伤，保护木器漆历久弥新。
Two see hardness, scratch resistance, protective paint for wood work.
针对耐划伤pp材料的开发和划伤机理的研究，还需构建数学模型为其提供依据和指导。
A mathematic model should be established in order to offer the guidance for developing scratch resistant PP materials and studying the scratch mechanism.
它们显示出广泛的硬度、刚性、挠性、拉伸强度、抗污性、耐划伤性、耐冲击性、耐溶剂性等等。
They exhibit wide ranges of hardness, toughness, flexibility, tensile strength, stain resistance, scratch resistance, impact resistance, solvent resistance, etc.
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