Article coated with a polyisobutylene-polyolefin film
OwnerHongyu Chen, Yunlong Guo +4inventors
InventorsHongyu Chen, Yunlong Guo, David L. Malotky, Alan M. Piwowar, Xiaomei Song, Qiangqiang Yan
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Abstract
The present invention relates to an article comprising a film affixed to a paper or paperboard substrate, wherein the film comprises a polyisobutylene and a polyolefin wherein the film has a thickness in the range of from about 3 μm to 20 μm. The article of the present invention is useful for providing desirable moisture barrier and tack properties.
Claims7
An article comprising a film affixed to a paper or paperboard substrate, wherein the film comprises from 20 to 80 weight percent of a polyisobutylene and from 20 to 80 weight percent of a polyolefin;
- wherein the film has a thickness in the range of from about 3 μm to 20 μm.
Dependencies are inferred from the claim text.