Grease, oil and wax resistant paper composition
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/12
B32B-027/04
출원번호
UP-0481320
(2001-06-29)
등록번호
US-7833915
(2011-01-16)
국제출원번호
PCT/US2001/020882
(2001-06-29)
§371/§102 date
20040210
(20040210)
국제공개번호
WO03/002342
(2003-01-09)
발명자
/ 주소
Propst, Jr., Charles W.
출원인 / 주소
Spectra-Kote Corporation
대리인 / 주소
Novak Druce & Quigg LLP
인용정보
피인용 횟수 :
5인용 특허 :
15
초록▼
In order to provide grease, oil and wax resistance to a paper substrate, a coating containing a binder, a filler material and calcium carbonate is used. The coating of the invention is essentially free from fluorocarbons, which are considered harmful to human and animal populations, and surfactants
In order to provide grease, oil and wax resistance to a paper substrate, a coating containing a binder, a filler material and calcium carbonate is used. The coating of the invention is essentially free from fluorocarbons, which are considered harmful to human and animal populations, and surfactants and other chemicals which may alter the color of the coated paper. The coated paper has a GE brightness level between approximately 50 and approximately 90, while providing superior grease, oil and wax resistance.
대표청구항▼
I claim: 1. A grease, oil and wax resistant paper composition comprising: a cellulose-containing substrate in the form of individual fibers having a surface area and a water based mineral coating including: a filler material; a binder; and calcium carbonate, essentially free from surfactants. 2
I claim: 1. A grease, oil and wax resistant paper composition comprising: a cellulose-containing substrate in the form of individual fibers having a surface area and a water based mineral coating including: a filler material; a binder; and calcium carbonate, essentially free from surfactants. 2. The grease, oil and wax resistant paper composition of claim 1, wherein said paper composition has a GE brightness value greater than approximately 50. 3. The grease, oil and wax resistant paper composition of claim 1, wherein said paper composition has a GE brightness value less than approximately 90. 4. The grease, oil and wax resistant paper composition of claim 3, wherein said paper composition has a GE brightness value from approximately 50 to approximately 90. 5. The grease, oil and wax resistant paper composition of claim 4, wherein said paper composition has a GE brightness value from approximately 65 to approximately 78. 6. The grease, oil and wax resistant paper composition of claim 4, wherein said paper composition has a GE brightness value from approximately 78 to approximately 90. 7. A material formed from the grease, oil and wax resistant-paper composition of claim 1, wherein said material is selected from the group consisting of paper, paperboard, bagstock, ticketstock or liner board. 8. The grease, oil and wax resistant paper composition of claim 1, wherein said coating is essentially free from fluorocarbons and fluorotelomers. 9. The grease, oil and wax resistant paper composition of claim 1, wherein said filler material includes at least one of clay, sodium hexametaphosphate, TiO2 and talc. 10. The grease, oil and wax resistant paper composition of claim 1, wherein said binder includes at least one of latex, PVC, PVA, acrylate, maleic acid and protein. 11. The grease, oil and wax resistant paper composition of claim 1, wherein said calcium carbonate has a particle size between approximately 0.6 and approximately 7.5 μm. 12. The grease, oil and wax resistant paper composition of claim 1, wherein said substrate is in the form of a box. 13. The grease, oil and wax resistant paper composition of claim 1, wherein said calcium carbonate is deagglomerated. 14. The grease, oil and wax resistant paper coating composition of claim 13, wherein said filler material includes at least one of clay, sodium hexametaphosphate, TiO2 and talc. 15. A material formed from the grease, oil and wax resistant-paper composition of claim 1, wherein said material is selected from the group consisting of bagstock, ticketstock, linerboard, clothing, wallpaper, and laminated wood products. 16. A material formed from the grease, oil and wax resistant-paper composition of claim 1, wherein said fibers are selected from the group consisting of virgin fibers, recycled fibers and mixtures thereof. 17. A grease, oil and wax resistant paper composition comprising: a cellulose-containing substrate having a surface area and a water based mineral coating including: a filler material; a binder; and calcium carbonate, essentially free from surfactants, a cellulose-containing substrate having a surface area and a water based mineral coating including: a filler material; a binder; and calcium carbonate, essentially free from surfactants, wherein the ratio of coating (dry lbs.) to 1000 square feet of surface area of said substrate is approximately 0.5 to approximately 0.6. 18. A grease, oil and wax resistant paper composition comprising: a cellulose-containing substrate having a surface area and a water based mineral coating including: a filler material; a binder; and calcium carbonate, essentially free from surfactants, wherein the ratio of coating (dry lbs.) to 1000 square feet of surface area of said substrate is approximately 6.0 to approximately 8.0. 19. A water based grease, oil and wax resistant paper coating composition comprising: water; a filler material; a binder; and calcium carbonate, essentially free from surfactants. 20. The grease, oil and wax resistant paper coating composition of claim 19, wherein said coating is essentially free from fluorocarbons. 21. The grease, oil and wax resistant paper coating composition of claim 19, wherein said binder includes at least one of latex, PVC, PVA, acrylate, maleic acid or protein. 22. The grease, oil and wax resistant paper coating composition of claim 19, wherein said calcium carbonate has a particle size between approximately 0.6 and approximately 7.5 μm. 23. The grease, oil and wax resistant paper coating composition of claim 19, wherein said calcium carbonate is deagglomerated. 24. The grease, oil and wax resistant paper coating composition of claim 19, wherein said water comprises approximately 20% (by weight) of said composition. 25. The grease, oil and wax resistant paper coating composition of claim 19, wherein said binder comprises approximately 30% (by weight) of said composition. 26. The grease, oil and wax resistant paper coating composition of claim 19, wherein said calcium carbonate comprises between (by weight) approximately 20% to approximately 50% of said composition. 27. The grease, oil and wax resistant paper coating composition of claim 19, wherein said binder comprises protein. 28. The grease, and wax resistant paper coating composition of claim 27, wherein said binder further comprises latex.
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