Studied on Properties of Aluminum Pigments with Different Coating Treatments and Their Effects on Adhesion of Waterborne Automotive Coatings

GU Sheng-jun[1; 3];DONG Qian-nian[1; 3];ZHAO Chuan-peng[1];XIA Ru[2];CAO Ming[1; 2];SHU Min[3];DENG Peng-you[1];ZHOU Hui[1];CHEN Guo-qing[1; 3]

GU Sheng-jun[1,3];DONG Qian-nian[1,3];ZHAO Chuan-peng[1];XIA Ru[2];CAO Ming[1,2];SHU Min[3];DENG Peng-you[1];ZHOU Hui[1];CHEN Guo-qing[1,3]

Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (6) : 18-20.

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Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (6) : 18-20.

Studied on Properties of Aluminum Pigments with Different Coating Treatments and Their Effects on Adhesion of Waterborne Automotive Coatings

GU Sheng-jun[1,3];DONG Qian-nian[1,3];ZHAO Chuan-peng[1];XIA Ru[2];CAO Ming[1,2];SHU Min[3];DENG Peng-you[1];ZHOU Hui[1];CHEN Guo-qing[1,3]

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Abstract

The effects of different coating methods on hydrophilicity and the amount of hydrogen produced of aluminum pigments were studied And the effect of different aluminum pigments coated on the adhesion of water borne automotive coatings after the moisture and heat resistance were studied.The results showed that the coating layer of aluminum pigment coated with aminosilane coupling agent and ethyl orthosilicate was dense and hydrophilic,the waterborne automobile coating with the aluminum pigment had the best adhesion after heat and humidity resistance,it reached grade O.

Key words

aluminum pigments;surface treatment;silane coupling agent;coatings;adhesion

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GU Sheng-jun[1,3];DONG Qian-nian[1,3];ZHAO Chuan-peng[1];XIA Ru[2];CAO Ming[1,2];SHU Min[3];DENG Peng-you[1];ZHOU Hui[1];CHEN Guo-qing[1,3]. Studied on Properties of Aluminum Pigments with Different Coating Treatments and Their Effects on Adhesion of Waterborne Automotive Coatings[J]. Modern Paint & Finishing. 2023, 26(6): 18-20