为改善大理石在酸雨和酸雾环境下的耐蚀性能，运用仿生合成方法在大理石表面制备了一层壳聚：糖／二氧化硅（CS／SiO2）保护膜。通过扫描电子显微镜和红外光谱对膜的形貌结构进行了表征，并对膜的基本性质进行了测试。结果表明：CS／SiO2膜以球形颗粒沉积在大理石表面，保持了其原有的透气性，减小了其吸水性；膜的耐酸性能优越，显著提高了石材的耐酸性，大理石表面有无CS／SiO02，都具有良好的耐碱、盐腐蚀性能；膜与石材基体结合良好，具有良好的抗冻融和耐热性能。
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