CAJ | 학술논문

分别以含氢硅油和含氢环体为原料，与1，2环氧－4－乙烯基环己烷通过硅氢加成制得两种环氧改性硅油（1和2）。通过转化率、环氧值以及红外光谱对环氧改性硅油进行结构表征。将其加入硅橡胶体系中，高速混合后，制得高触变性LED封装胶，并测试其硬度、挤出性、粘接性能和触变性能。结果表明，加入环氧改性硅油后，封装胶具有显著的触变性；当环氧改性硅油1与环氧改性硅油2质量比为2∶1、加入质量分数为2.5％时，得到触变型封装胶的粘接性及触变效果较佳，与空白样相比分别提高了150％、221％。
분별이함경규유화함경배체위원료，여1，2배양－4－을희기배기완통과규경가성제득량충배양개성규유（1화2）。통과전화솔、배양치이급홍외광보대배양개성규유진행결구표정。장기가입규상효체계중，고속혼합후，제득고촉변성LED봉장효，병측시기경도、제출성、점접성능화촉변성능。결과표명，가입배양개성규유후，봉장효구유현저적촉변성；당배양개성규유1여배양개성규유2질량비위2∶1、가입질량분수위2.5％시，득도촉변형봉장효적점접성급촉변효과교가，여공백양상비분별제고료150％、221％。
Two kinds of epoxy-modified polysiloxane (1 and 2) were prepared by hydrosilylation with hy-drogen silicone fluid and hydrogen ring as raw materials respectively , then reacted with 1 ,2-epoxy-4-vinyl al-kanes.Then the structures of epoxy-modified polysiloxane were characterized by conversion rate , epoxy value and FTIR.Epoxy-modified polysiloxane was added into silicone rubber with high-speed to get a high thixotrop-ic LED adhesive .The hardness , extrudability , adhesion and thixotropic properties of the adhesive were char-acterized after epoxy-modified polysiloxane were added .Results indicated the adhesive with epoxy-modified polysiloxane had significant thixotropy .When the mass ratio of epoxy-modified polysiloxane 1 and epoxy modi-fied polysiloxane 2 was 2∶1, and the added amount is 2.5%, the thixotropic packing adhesive had good adhe-sion and thixotropic effect .