Aqueous coating compositions vinyl polymer.

2001 
An aqueous coating composition comprising an oligomer (s) dispersible vinyl (s) crosslinkable water (s) at room temperature and optionally a polymer (s) dispersed (s) where the ratio of (the) oligomer (s) crosslinkable vinyl (s) relative to (the) polymer (s) dispersed (s) is in the range of from 100: 0 to 10:90 and wherein said composition when drying to form a coating has the following properties: i) open at least 20 minutes at 23 2C time; ii) a wet edge time of at least 10 minutes at 23 2C; iii) a tack free time of 20 hours at 23 2C; iv) 0 to 25% of cosolvent by weight of the composition; v) an equilibrium viscosity of 5, 000 Pa.s, at any solids content when drying in the range of from 20 to 55% by weight of the composition, using any shear rate in the range of from 0.5 to 9 90 5 s -1 and at 23 2C; and wherein the (the) oligomer (s) of the crosslinkable vinyl (s) is (are) 60% by weight soluble (s) in water through a pH range of from 2 to 10.
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