蒎烷过氧化氢物性变化规律及应用可能性的研究  

STUDY ON VARIATION RELATIONSHIP BETWEEN CONTENT AND PROPERTIES OF PINANE HYDROGEN PEROXIDE AND FEASABILITY OF ITS APPLICATION

作　　者：李冬梅[1] 赵振东[1] 刘先章[1] 孙震[1] 

机构地区：[1]中国林业科学研究院林产化学工业研究所,江苏南京210042

出　　处：《林产化学与工业》2004年第1期17-20,共4页Chemistry and Industry of Forest Products

基　　金：国家自然科学基金资助项目(30070638);梧州松脂股份有限公司的部分资助

摘　　要：　用精制提纯的蒎烷过氧化氢(PHP)为原料,研究了PHP主要物理性质如密度、折光率及粘度与含量之间的相互关系,同时还研究了温度对PHP物性变化的影响。实验结果表明,PHP的密度和折光率在0～60%的宽含量范围内与以质量分数表示的PHP含量(c,%)之间存在十分良好的线性关系,其变化关系满足一级线性回归方程式:折光率n=0.0004c+1.4612、密度ρ=0.0025c+0.8507。粘度与含量之间不满足一级线性关系。温度对密度和折光率具有明显的影响,但影响系数是基本恒定的,温度影响满足一级线性回归方程:折光率n=-4.01×10-4t+n0、密度ρ=-7.25×10-4t+ρ0。这些关系经过修正以后将可以在合成PHP的实际生产过程中进行应用,也就是说,有可能通过在线测定反应液的密度或者折光率来获得体系中PHP的实时含量信息。Variation relationship between percentage concentration and properties of refined pinane hydrogen peroxide(PHP),such as refractive index,density and viscosity were studied.Effect of temperature on variation of PHP properties was studied as well.As results,there are perfect linear relationships between either refractive index(n) or density(ρ) and percentage content(c,%) of PHP,and the relationships meet regress functions:n=0.000 4c+1.461 2 and ρ=(0.002 5c)+0.850 7,respectively(c=0%-60%).However,there is no linear relationship between viscosity of PHP with its content.Temperature(t) affects remarkably refractive index and density of PHP over different concentrations with constant coefficient in their regress functions n=-4.01×10^(-4)t+n_0 and ρ=-7.25×10^(-4)t+ρ_0,respectively.These relationships could be applied to practical production of PHP,when proper improvement was brought.That is to say,there is the feasibility to determine on-line the content of PHP through the real-time analysis of its (refractive) index and (density.)

关 键 词：蒎烷过氧化氢 变化规律 芳樟醇 香料 物理性质 密度 折光率 粘度 松节油 蒎烷 氧化反应 

分 类 号：TQ655[化学工程—精细化工] TQ351.472