摘要
随着世界日趋显现的木材短缺情况,发展非木质建筑材料成为国际关注的重点。煤炭、芒硝制备硫化碱生产过程中所产生的废料常年堆积,对环境造成巨大污染,依据目前市场对非木质复合板材的需求,并结合硫化碱生产废料自身不燃、无毒的性质,可考虑用做耐火材料的基材。选择硫化碱废料为复合板材的基础原料,就无机添加剂的选择及配比、酚醛树脂的量对抗压强度的影响、植物纤维对抗压强度的影响、发泡剂对试验的影响以及一些添加剂对样品的影响进行了相关试验。结果表明,当植物纤维∶硫化碱废料为1∶4,硫化碱废料∶石膏∶水泥为7∶6∶2,酚醛树脂的含量为10%,水分的加入量为12%,发泡剂的百分含量为0.15%,岩棉的含量为10%,三乙醇胺的含量为4%时,效果最佳。
With the shortage of timber being more obvious in the world, the development of non-wood building boards becomes the focus of international attention. The waste materials accumulated perennially, which are produced in the process of sodium sulfide preparation by the coal and the Glauber＇ s salt, resulting in heavy pollution to the environment. According to the demand of the current market for non-wood composite board and combined with the nonflammability and nontoxicity of the sodium sulfide maste material, the waste materials may be used for the substrates of refractories. The paper studied the waste materials produced in the process of sodium sulfide preparation, which were elected as basic material of composite board. And the following aspects were discussed, such as the choice and compounding ratio of inorganic additives, the influence of phenolic resin and plant fiber on compressive strength, the influence of foaming agent on the experiment and the influence of other additives on the sample. The results show that the weight ratio of vegetable fiber to the waste materials is 1 ： 4; waste materials： gypsum： cement is 7： 6： 2; and the content of phenolics, moisture, foaming agent, rock wool and triethanolamine is about 10% , 12% ,0. 15% , 10% and 4% , respectively, the effect is best.
出处
《工业建筑》
CSCD
北大核心
2014年第1期90-93,共4页
Industrial Construction
基金
住房和城乡建设部资助项目(2013-K4-1)
关键词
无机板材
硫化碱
芒硝
石膏
水泥
inorganic plate
sodium sulphide
mirabilite
gypsum
cement
