Aqueous dispersion of polyisobutylene and polyolefin particles
AssigneeDow Global Technologies LLC
InventorsHongyu Chen, Yunlong Guo, David L. Malotky, Alan M. Piwowar, Xiaomei Song, Qiangqiang Yan
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Abstract
The present invention relates to a composition comprising an aqueous dispersion of a) polyisobutylene particles; and b) polyolefin particles, which are polyethylene or polypropylene particles, wherein the weight-to-weight ratio of the polyisobutylene particles to the polyolefin particles is in the range of from 20:80 to 80:20. The composition of the present invention is useful for making coatings on paper or paperboard substrates with excellent moisture barrier and tack properties.
Claims7
A composition comprising an aqueous dispersion of a) polyisobutylene particles;
- and b) polyolefin particles, which are polyethylene or polypropylene particles, wherein the weight-to-weight ratio of the polyisobutylene particles to the polyolefin particles is in the range of from 20:80 to 80:20;
- wherein the composition has a solids content arising from the polyisobutylene and the polyolefin particles in the range of from 20 to 60 weight percent;
- wherein the polyisobutylene and polyolefin particles having a D90 particle size in the range of from 0.1 μm to 12 μm.
Dependencies are inferred from the claim text.