摘要:
An aqueous coating composition with an improved open time comprising (a) a crosslinkable water-dispersible oligomer(s); (b) a dispersed polymer(s), (c) a pigment(s) with an oil absorption number ≦25 g oil/100 g pigment and optionally (d) a Newtonian-like thickener(s) and (e) a thixotropic thickener(s) wherein the weight ratio of (a):(b) is in the range of from 10:90 to 60:40; wherein (d)+(e)=0.1 to 10 wt % and wherein said composition when drying to form a coating has a tack-free time of ≦24 hours.
摘要:
An aqueous coating composition with an improved open time comprising (a) a crosslinkable water-dispersible oligomer(s); (b) a dispersed polymer(s), (c) a pigment(s) with an oil absorption number ≦25 g oil/100 g pigment and optionally (d) a Newtonian-like thickener(s) and (e) a thixotropic thickener(s) wherein the weight ratio of (a):(b) is in the range of from 10:90 to 60:40; wherein (d)+(e)=0.1 to 10 wt % and wherein said composition when drying to form a coating has a tack-free time of ≦24 hours.
摘要:
Aqueous coating composition comprising a blend of 20 to 60 wt % of a multistage vinyl polymer (A) comprising 5 to 40 wt % of at least one hard polymer stage (i) having a Tg≧50° C. and 95 to 60 wt % of at least one soft polymer stage (ii) having a Tg≦−5° C.; and 80 to 40 wt % of a vinyl oligomer-polymer (B) comprising 15 to 50 wt % of at least one alkaline soluble oligomer (iii) and 85 to 50 wt % of at least one vinyl polymer (iv) having a Tg in the range of from −20 to 30° C.
摘要:
Pigmented aqueous coating composition providing good blocking and elasticity properties comprises a blend of a seeded multistage polymer latex(es) having at least one soft and at least one hard polymer phases and a non-film-forming polymer latex(es), the seed polymer(s) having a Tg≧10° C. lower than that of the hard polymer phase(s) and preferably having a Tg≧10° C. higher than that of the soft polymer phase(s), and the multistage polymer(s) preferably having amino functionality incorporated by an imination reaction.
摘要:
Aqueous coating composition comprising a blend of 20 to 60 wt % of a multistage vinyl polymer (A) comprising 5 to 40 wt % of at least one hard polymer stage (i) having a Tg≧50° C. and 95 to 60 wt % of at least one soft polymer stage (ii) having a Tg≦−5° C.; and 80 to 40 wt % of a vinyl oligomer-polymer (B) comprising 15 to 50 wt % of at least one alkaline soluble oligomer (iii) and 85 to 50 wt % of at least one vinyl polymer (iv) having a Tg in the range of from −20 to 30° C.