In this section, you can access to the latest technical information related to the FUTURE project topic.

Effect of ?-aminopropyltriethoxysilane on the properties of cellulose acetate butyrate modified acrylic waterborne coatings

Novel waterborne acrylic resin modified by cellulose acetate butyrate was successfully synthesized by a homogeneous solution polymerization with 2-butoxy ethanol, cellulose acetate butyrate and acrylic monomers as raw materials, N, N - dimethyl ethanolamine as neutralization and ?-aminopropyltriethoxysilane (KH-550) as curing agent. The influences of the cellulose acetate butyrate and curing agent content on the properties of the waterborne acrylic resin were investigated. As a curing agent, KH-550 not only improved the cross-linking density of the resin effectively, but also bonded to the substrate to form a molecular layer of silane. Cellulose acetate butyrate and KH-550 were found to reduce the curing temperature of the resin. The tensile strength of the coating added with the curing agent (5.89?MPa) was significantly improved compared to that of cellulose acetate butyrate modified resin (1.49?MPa). This kind of environment-friendly waterborne acrylic resin has a strong potential application in wood coatings, automobile coatings and other fields.

» Author: Bin Zheng, Shengsong Ge, Shuo Wang, Qian Shao, Cuiyan Jiao, Mei Liu, Rajib Das, Binbin Dong, Zhanhu Guo

» Publication Date: 01/09/2020

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