Back to results
US 2011/0257330 A1Published application
Waterborne coating composition containing polytrimethylene ether diol
AssigneeE.I. du Pont de Nemours and Company
InventorsAyumu Yokoyama, Sheau-Hwa Ma, Rajesh Gopalan Saliya
Life of this patent
Estimating the term…
Abstract
The present invention is directed to an aqueous coating composition comprising a polymer having one or more crosslinkable functional groups; a polytrimethylene ether diol from renewable resource having a Mn (number average molecular weight) in a range of from 500 to 10,000; and a crosslinking agent. The aqueous coating composition comprises in a range of from 10% to 80% of water.
Claims24
An aqueous coating composition comprising:
- A) a polymer dissolved or dispersed in water, said polymer comprises one or more crosslinkable functional groups;
- B) a polytrimethylene ether diol having a Mn (number average molecular weight) in a range of from 500 to 10,000;
- and
- C) a crosslinking agent having one or more crosslinking functional groups;
- wherein said aqueous coating composition comprises in a range of from 10% to 80% of water, percentage based on total weight of the aqueous coating composition.
2 more elements
A process for coating a substrate to form a coating layer thereon, said process comprising the steps of;
- a) providing an aqueous coating composition comprising:
- A) a polymer dissolved or dispersed in water, said polymer comprises one or more crosslinkable functional groups;
- B) a polytrimethylene ether diol having a Mn (number average molecular weight) in a range of from 500 to 10,000;
- and
- C) a crosslinking agent having one or more crosslinking functional groups;
- wherein said aqueous coating composition comprises in a range of from 10% to 80% of water, percentage based on total weight of the aqueous coating composition;
- b) applying said aqueous coating composition over the substrate to form a layer of said aqueous coating composition thereon;
- and
- c) curing said layer of the aqueous coating composition to form said coating layer.
6 more elements
Dependencies are inferred from the claim text.