空间环境下开展材料抗菌防霉性能测试试验是检验航天用材料防霉性能的必要试验环节.建立了一种适用于空间条件下的材料防霉性能试验方法.采用"材料层-孢子-供水层"夹心结构作为培养单元,通过喷涂方式将孢子附着在材料层表面.培养单元初始为休眠状态,利用供水层供水作为培养单元激活条件.地面模拟验证试验表明培养单元可以支持黑曲霉孢子在非抗菌材料表面萌发,并在材料片表面均匀生长,为期28天试验中密闭培养与非密闭培养没有显著差异.%It is important to carry out anti-mould performance test under real space environment to investigate the anti-mould properties of different types of materials. An assay for material anti-mould property test was developed which could be used under space conditions. In this assay, a"material layer-spore-water supply layer" sandwich structure was used as the culture and test unit. The spores were sprayed to the surface of the material layer and could be maintained dormant in non-aqueous environment. Water was introduced to the water supply layer to activate the germination of spores. The ground test results showed that the culture and the test units could support the germination of As-pergillus niger spores on the surface of the non-antibacterial materials, and mould grew evenly on the surface of the materials. Furthermore, no significant difference on mould germination and growth un-der closed environment was found as compared to the open environment in the 28-day experiment.
展开▼
