DuPont Industrial Cellulosics by ChemPoint | Applications

Paint Stripper

Paint Stripper

Rheology modifiers like METHOCEL™ and POLYOX™ are ideal for paint remover applications.  These products allow the paint stripper to stay in contact with the surface longer, thereby improving the paint remover’s efficiency. Paint stripper formulations that are intended for spray application require a delicate rheological balance, a balance that can be achieved by using METHOCEL™ and POLYOX™.

Paint removers' function is to loosen paint and clean the underlying surface so that the object can be repainted. Given the broad range of end-uses the industry has developed several different paint remover systems.

Those which are organic solvent based remove the paint by dissolving or softening the bond between the film and the substrate. Because of its high efficiency methylene chloride, which is also known as dichloromethane, has been the primary solvent in organic solvent based paint strippers. However due to increasing awareness of health hazards associated with this solvent, several paint remover producers have developed environmentally friendly paint strippers, which contain solvents derived from plants. Such biochemical-based strippers may include terpenes, lactic acids, dimethylsulfoxide (DMSO) and soy oil.

ARTICLE » Create the optimal paint remover

End-users include boat repairers, downstream manufacturers such as automobile manufactures, construction contractors, aerospace coating remover, do-it-yourself consumers and municipalities.

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Water-Soluble Polymers with Added Functionality

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METHOCEL™ cellulose ethers as well as POLYOX™ Water-Soluble Polymers play a crucial role in various paint stripper formulations. Both enable the paint stripper to remain longer on vertical surfaces and extend the contact time by reducing the evaporation rate of the solvent.

METHOCEL™ and POLYOX™ provide the right rheological properties to spray formulations, which must be thin enough to spray easily but must rapidly build viscosity under low shear conditions to effectively cling to vertical surfaces.


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