生物质对木塑复合材料燃烧性能影响的研究进展  

Precess Influence of Biomass on Combustion Behaviors of Wood-Plastics Composite

作　　者：生瑜[1] 郑守扬 朱德钦[1] 

机构地区：[1]福建省高分子材料重点实验室福建师范大学材料科学与工程学院,福建福州350007

出　　处：《纤维素科学与技术》2015年第2期68-73,共6页Journal of Cellulose Science and Technology

基　　金：福建省科技厅高校产学合作项目(2015Y4003);福建省科技厅重大资助项目(2012Y4002);福建省科技厅重点资助项目(2008Y0036);福建省自然科学基金资助项目(2010J01276)

摘　　要：综述了生物质对木塑复合材料燃烧性能的影响。分析了生物质中纤维素、半纤维素和木质素等主要化学成分和结构对生物质燃烧性能的影响,即生物质中木质素含量越高、纤维素含量越低,可燃性能越差;结晶度越低、取向度越高,可燃性能也越差。总结了生物质对热塑性塑料PVC、PE、PP基木塑复合材料的最初点燃时间、初始降解温度、热释放速率、高温残炭率以及氧指数的影响。虽然生物质会缩短木塑复合材料的点燃时间和降低最初降解温度,但会减小热塑性塑料的热释放速率、提高高温残炭率和极限氧指数。总的来说,生物质可有效提高木塑复合材料的燃烧性能,降低塑料制品的火灾风险。The influence of biomass on combustion behaviors of wood-plastics composite （WPC） was introduced in this paper. The influences of cellulose, hemicelluloses and lignin in biomass and structure on the combustion behaviors of biomass were further analyzed. In general, the higher lignin and lower cellulose content in biomass as well as the lower levels of crystallinity and higher orientation, the lower flammability. And the flame retardant parameters such as initial ignition time, initial degradation temperature, heat release rate, char residue under the high temperature and oxygen index were reviewed in detail to evaluate the influence of biomass on combustion behaviors of Thermoplastics-based-WPC, such as PP-based-WPC, PE-based-WPC and PVC-based-WPC. The addition of biomass adversely affected the thermoplastics in some aspects such as shorten the initial ignition time and reduced the initial degradation temperature. But meanwhile, biomass could minimize the heat release rate, raised the char residue under the high temperature and limiting oxygen index. Overall biomass could effectively improve the combustion properties of WPC and reduced the fire risk of plastic products.

关 键 词：生物质 热塑性塑料 木塑复合材料 燃烧性能 

分 类 号：TQ321.5[化学工程—合成树脂塑料工业]