Abstract
ABSTRACTFast-drying traffic marking paint comprising a solvent-borne resin, a filler, a pigment and a solvent that is especially suitable for colder ambient (temperatures near freezing) applications, where waterborne traffic paint cannot be used. Acrylic resins based on methyl methacrylate, butyl acrylate, acrylic acid, and styrene were synthesized in different solvents using organic peroxide initiators such as peroxyester, peroxyketal, dialkylperoxide and azo. After polymerization, the molecular weight (Mw), polydispersity index = PDI (Mw/Mn), viscosity, total residual monomer and APHA color were evaluated and results of organic peroxide initiators (t-butyl and t-amyl derivatives) were compared with the azo initiator. The Mw, PDI, viscosity, mass conversation and APHA color of resins with t-amyl derivatives of organic peroxide initiators are very proper.
Highlights
In cold and humid weather, traffic marking paint based on aqueous acrylic resin slowly dried which makes more difficult on busy roads and even leads to unfortunate accidents
The solvent-based traffic marking paint can be used that quickly dried without remaining the inside portion of the coated paint layer in the undried state
F methyl metha acrylate (MMA) is the mole fraction of methyl methacrylate unit in acrylic resins; F BA is the mole fraction of butyl acrylate unit in acrylic resins; F st is the mole fraction of styrene unit in acrylic resins
Summary
In cold and humid weather, traffic marking paint based on aqueous acrylic resin slowly dried which makes more difficult on busy roads and even leads to unfortunate accidents. In this situation, on the roads with high traffic, the interaction between traffic marking paint and glass beads is minimal and limited adhesions, generally within a few months, night reflectivity decrease. The solvent-based traffic marking paint can be used that quickly dried without remaining the inside portion of the coated paint layer in the undried state In these situations, high-solid traffic marking paint based acrylic resin with proper viscosity is very applicable. This target is an emission cut of at least 50% compared to 1990 emission levels for all industrial activities using organic solvents, namely, car refinishes
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