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The effects of dispersant composition in wet masterbatch system on the silica / Styrene-Butadiene Rubber compound

Title
The effects of dispersant composition in wet masterbatch system on the silica / Styrene-Butadiene Rubber compound
Author
Min Seong KIM
Alternative Author(s)
김민성
Advisor(s)
Young Wook CHANG
Issue Date
2019. 8
Publisher
한양대학교
Degree
Master
Abstract
The silica content at a mixed rubber in high-performance tires has been over 100 phr, recently. However, as the silica content increases, it is difficult to solve a problem such as the silica dispersity. Therefore, in this study, dispersants were prepared to improve the silica dispersity of styrene-butadiene rubber (SBR) compound. Dispersants were synthesized by the copolymerization of itaconic acid with various comonomer such as acrylic acid (AA), vinylsulfonic acid (VSA), or acrylamide (AAM). The structure of dispersant was confirmed using FT-IR. The properties of silica/SBR compound were evaluated using optimized dispersants. The study of silica/SBR composite properties was carried out according to the comonomer ratio of dispersant and input content of silica. The silica content of the silica/SBR composite was determined using thermogravimetric analysis. We also investigated the curing properties, mechanical properties, morphology, payne effect, and abrasion characteristics of silica/SBR compounds.
URI
http://dcollection.hanyang.ac.kr/common/orgView/000000110713http://repository.hanyang.ac.kr/handle/20.500.11754/109140
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Theses(Master)
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