Aqueous vinyl coating compositions

Details Aqueous vinyl coating compositions Aqueous vinyl coating compositions

2006-03-31

2010-11-16

Cameron, Erma (Department: 1715)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C524S502000

Reexamination Certificate

active

07833584

ABSTRACT:
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.

REFERENCES:
patent: 4132688 (1979-01-01), Berenschot et al.
patent: 4624973 (1986-11-01), Kuwajima et al.
patent: 6992121 (2006-01-01), Peters et al.
patent: 7049352 (2006-05-01), Gould et al.
patent: 7569636 (2009-08-01), Tennebroek et al.
patent: WO 95/09209 (1995-04-01), None
International Search Report mailed Jun. 6, 2006 in PCT/EP2006/003188.
Written Opinion mailed Jun. 6, 2006 in PCT/EP2006/003188.

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