CAJ | 학술논문

以Span-80和SDS为复合乳化剂,将环氧树脂E-51用相反转法乳化成水包油的稳定乳液.研究了复合乳化剂的亲水亲油平衡值(HLB)、乳化剂的浓度以及乳化温度对环氧树脂 E-51相反转点时含水量 Rf值、乳液的粒径及粒径分布和乳液离心稳定性的影响,并通过透射电镜(TEM)对乳液粒子的大小、形貌进行表征.结果表明:当复合乳化剂的HLB值为16.2,即Span-80与SDS的质量比为2:1时,乳化剂的质量分数为9%,乳化温度为50℃时,得到的乳液稳定性最好,乳液粒子大小均匀、粒径分布较窄.
이Span-80화SDS위복합유화제,장배양수지E-51용상반전법유화성수포유적은정유액.연구료복합유화제적친수친유평형치(HLB)、유화제적농도이급유화온도대배양수지 E-51상반전점시함수량 Rf치、유액적립경급립경분포화유액리심은정성적영향,병통과투사전경(TEM)대유액입자적대소、형모진행표정.결과표명:당복합유화제적HLB치위16.2,즉Span-80여SDS적질량비위2:1시,유화제적질량분수위9%,유화온도위50℃시,득도적유액은정성최호,유액입자대소균균、립경분포교착.
The water-based epoxy emulsion was prepared by the phase inversion emulsification technique. Effects of mass ratio,the amount of the mixed emulsifiers,and emulsification temperature, on the properties of the emulsion during the phase inversion process were investigated by particle size analysis,centrifugal sedimentation analysis and water content test. The final morphologies of particles were characterized by TEM. The results show that the optimal emulsion was obtained when the mass ratio of S-80 and SDS was 2:1,the amount of the mixed emulsifiers was 9wt%,and the emulsification temperature was 50℃.