摘要
分别对不同长度碳链和平均聚合度(DP)的烷基木糖苷(AX)进行性能评价,结果表明,AX可将水的表面张力降低到26 m N/m以下,随碳链长度增加,AX临界胶束浓度(cmc)减小,饱和吸附量(Г_(max))降低,且Г_(max)高于相同碳链的烷基葡糖苷(APG),AX的发泡力、泡沫稳定性、抗硬水能力及润湿性能均优于相同碳链的APG。随DP的增大,AX平衡表面张力(γ_(cmc))及cmc均增大,Г_(max)呈降低趋势,DP对发泡力的影响有限,DP的降低使得AX的抗硬水能力、润湿力和乳化能力有所提高。
The properties of alkyl polyxylosidase （AX） with different carbon chain length and average polymeriza6on degree （DP） were evaluated. The results show that AX can reduce the surface tension of water to below 26 mN/m. The critical micelle concentration （cmc） and surface excess concentration （Fmax ） of AX are decreased with the increasing length of carbon chain, and the F is higher than that of alkyl polyglycoside （APG） with the same carbon chain. The foaming ability, foam stability, hard water resistance and wetting power of AX are all superior to that of APG with the same carbon chain. With the increase of DP of AX,the cmc and the surface tension at cmc （γcac ） are both increased, and the F is decreased. The DP of AX has no significant effect on the foaming ability. However, the hard water resistance, wetting power and emulsifying ability of AX are enhanced with the decrease of DP.
作者
白亮
杨秀全
吴志宇
BAI Liang;YANG Xiu-quan;WU Zhi-yu(China Research Institute of Daily Chemistry Co.,Ltd.,Taiyuan,Shanxi 030001,China)
出处
《日用化学工业》
CAS
CSCD
北大核心
2018年第11期622-626,共5页
China Surfactant Detergent & Cosmetics
基金
"十三五"国家重点研发计划资助项目(2017YFB0308702)
关键词
烷基木糖苷
表面活性
平均聚合度
应用性能
alkyl polyxylosidase
surface activity
average polymerization degree
application performance
