C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/02 (2006.01) C08G 18/42 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2185454
This invention relates to a polymeric vehicle which reduces or eliminates VOCs in coating compositions by providing a formulated coating composition which does not require an organic solvent for application to a substrate. The polymeric vehicle of the invention comprises at least one linear oligoester diol effective for cross-linking with a cross-linker, and having a number average molecular weight within controlled limits of a polydispersity index effective for controlling the viscosity of the polymeric vehicle.
Cette invention se rapporte à un véhicule polymère qui réduit ou élimine les composés organiques volatils dans des compositions de revêtement en permettant de former une composition de revêtement formulée qui ne nécessite pas de solvant organique en vue de son application sur un substrat. Ce véhicule polymère comprend au moins un diol d'oligoester linéaire propre à entrer en réticulation avec un agent réticulant et possédant un poids moléculaire moyen en nombre compris dans des limites contrôlées d'un indice de polydispersion propre à contrôler la viscosité du véhicule polymère.
Fu Shou-Kuan
Hua Jun
Jones Frank
Yuan Xiaoying
Eastern Michigan University
Exxon Chemical Patents Inc.
Macrae & Co.
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