Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D21H-011/00
D21H-013/00
D21H-015/00
출원번호
US-0190693
(2011-07-26)
등록번호
US-8377526
(2013-02-19)
발명자
/ 주소
Mohan, Krishna K.
Goliber, Cynthia A.
Hong, Yaoliang
Froass, Peter M.
Young, Herbert
Anderson, Dennis W.
Faber, Richard D.
출원인 / 주소
International Paper Company
인용정보
피인용 횟수 :
1인용 특허 :
194
초록▼
This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M, as well as methods of making and using the compositi
This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M, as well as methods of making and using the composition.
대표청구항▼
1. A paper or paperboard substrate, comprising a plurality of cellulose fibers;from 0.1 to 5 wt % of a plurality of expandable microspheres; wherein the substrate has a Sheffield smoothness of less than 250 SU as measured by TAPPI test method T 538 om-1;a basis weight of 20 to 70 lbs/3000 square foo
1. A paper or paperboard substrate, comprising a plurality of cellulose fibers;from 0.1 to 5 wt % of a plurality of expandable microspheres; wherein the substrate has a Sheffield smoothness of less than 250 SU as measured by TAPPI test method T 538 om-1;a basis weight of 20 to 70 lbs/3000 square foot; anda scanning 2nd cyan print mottle of not more than 6, and further comprising at least one ionic compound, wherein the ionic compound is adsorbed onto an outside surface of the expandable microspheres to form particles comprising said expandable microspheres having the ionic compound layered thereon. 2. The substrate according to claim 1, comprising from 0.1 to 3 wt % of a plurality of expandable microspheres. 3. The substrate according to claim 1, comprising from 0.1 to 2 wt % of a plurality of expandable microspheres. 4. The substrate according to claim 1, further comprising at least one coating layer. 5. The substrate according to claim 1, wherein the coating layer comprises at least one top coat and at least one base coat. 6. The substrate according to claim 1, wherein the Sheffield Smoothness is less than 250 SU and the scanning print mottle is less than 6 after calendaring said substrate, as measured by TAPPI test method T 538 om-1. 7. The substrate according to claim 1, wherein the substrate has a Parker Print Surface Smoothness of from about 1.0 to 0.5 as measured by TAPPI test method T 555 om-99. 8. An article, comprising the substrate according to claim 1. 9. The article according to claim 8, wherein the article is a folding carton. 10. The composition according to claim 1, wherein said ionic compound is at least one compound selected from the group consisting of an organic and Inorganic Ionic compound. 11. The composition according to claim 1, wherein said ionic compound is at least one polyorganic compound. 12. The composition according to claim 1, wherein said ionic compound is at least one polyamine compound. 13. The composition according to claim 1, wherein said ionic compound is crosslinked, branched, or combination thereof. 14. The composition according to claim 1, wherein said Ionic compound is at least one polyethyleneimine compound. 15. The composition according to claim 1, wherein said ionic compound is at least one polyethyleneimine compound having a molecular weight of at least 600 weight average molecular weight. 16. The composition according to claim 1, wherein said Ionic compound is at least one polyethyleneimine compound having a molecular weight of from 600 to 40,000 weight average molecular weight. 17. The composition according to claim 1, wherein said Ionic compound is cationic. 18. The composition according to claim 1, wherein said ionic compound comprises at least one member selected from the group consisting of alumina and silica. 19. The composition according to claim 1, wherein said ionic compound comprises a colloid comprising at least one member selected from the group consisting of silica, alumina, tin oxide, zirconia, antimony oxide, Iron oxide, and rare earth metal oxides. 20. The composition according to claim 1, wherein said ionic compound comprises a sol comprising at least one member selected from the group consisting of silica, alumina, tin oxide, zirconia, antimony oxide, iron oxide, and rare earth metal oxides. 21. The composition according to claim 1, wherein the outside surface is bound to the ionic compound. 22. The composition according to claim 1, wherein the outside surface is non-covalently bound to the ionic compound. 23. The composition according to claim 1, wherein the outside surface is anionic. 24. The substrate according to claim 1, wherein the basis weight is 30 to 70 lbs/3000 square foot. 25. The substrate according to claim 4, wherein the coating layer has a coat weight from about 4 to about 20 gms. 26. The substrate according to claim 4, wherein coating layer comprises a basecoat having a coat weight from about 4 to about 20 gms. 27. The substrate according claim 4, wherein the coating layer comprises a topcoat having a coat weight from about 4 to about 20 gms.
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