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The Preparation and Properties Study of the Auto Water-based Metallic Paint

Author: WangLin
Tutor: XuSuLian
School: Changchun University of Science and Technology
Course: Applied Chemistry
Keywords: Waterborne metal flash coating Automotive finish Acetoacetoxy The microgel core-shell emulsion Acrylic
CLC: TQ630.7
Type: Master's thesis
Year: 2010
Downloads: 234
Quote: 0
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Abstract


The waterborne metal flash coating as a new type of environmentally friendly paint , much attention due to its excellent decorative effect . Using the the waterborne metal flash coating as senior automotive topcoat is an inevitable trend of the development of the automotive finish . This article focuses on the flashlight paint is a water-based automotive metal preparation and performance studies . Products using an acrylic resin as the main film - forming matrix , the use of non - leafing the aqueous aluminum powder as an extender pigment , to reduce the sedimentation of the metal particles by the introduction of the pendant acetoacetate in the polymer molecular chain , having a core - shell structure of acrylic micro coagulation the introduction of latex paint system, and improve the stability of the system and the performance of the coating film . Do the following : 1, the design and synthesis of water - soluble acrylate resin with a chelating group through performance testing to prove that the introduction of the polymer molecule chain the acetoacetoxy can reduce the viscosity of the resin to increase the water-soluble resin sex . Designed and synthesized acrylate microgel emulsion with core-shell structure , determine the best ratio of raw materials , and study the performance of the emulsion . 3, prepared by the aqueous metal flash coating and its performance , indeed reduce the particle sedimentation, and to improve the stability of the coating determine the introduction of the pendant acetoacetate and the microgel emulsion is added .

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