松香肥皂可當聚合SBR(Styrene Butadiene Rubber)之乳化劑，本實驗已R－94及D－22兩種松香為乳化劑原料，聚合SBR生膠後，製成橡膠產品，進行一系列的實驗測試，比較R－94及D－22兩種松香所合成之生膠及製成之橡膠產品在基本物性及機械性質之差異。由結果得知，結合苯乙烯及轉化率以R－94較佳，而抗張強度及延伸率則以D－22較好。流變性方面則兩者相類似。 Rosin soap can be used as an emulsifier in the styrene-butadiene copolymerization. In this experiment, a series of tests on the mechanical characteristics of both copolymer and SBR product, prepared by using R-94 and D-22 rosin respectively, were undertaken to evaluate the usage of rosin soap as emulsifier in SBR production.
From the result of this experiment, we found the R-94 more excellent than D-22 in the bound styrene and conversion, but in the tensile strength and elongation, the D-22 is more excellent.
