Paper products containing a polymeric wet strengthening agent
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D21H-017/57
D21H-017/55
D21H-021/20
D21H-017/56
출원번호
US-0679442
(2015-04-06)
등록번호
US-9353483
(2016-05-31)
발명자
/ 주소
Hagiopol, Cornel
Townsend, David F.
Ringold, Clay E.
Johnston, James W.
McDonald, Robert
Simpson, Metric M.
Potter, Frederick S.
출원인 / 주소
Georgia-Pacific Chemicals LLC
대리인 / 주소
Sabnis, Ram W.
인용정보
피인용 횟수 :
3인용 특허 :
36
초록▼
Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamid
Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.
대표청구항▼
1. A paper product, comprising: a plurality of pulp fibers and an at least partially cured resin system, wherein the resin system, prior to curing, comprises a first polyamidoamine-epihalohydrin resin and a second resin comprising a urea-formaldehyde resin, and wherein the resin system, prior to cur
1. A paper product, comprising: a plurality of pulp fibers and an at least partially cured resin system, wherein the resin system, prior to curing, comprises a first polyamidoamine-epihalohydrin resin and a second resin comprising a urea-formaldehyde resin, and wherein the resin system, prior to curing, comprises greater than 30 wt % to about 80 wt % of the urea-formaldehyde resin, based on a combined solids weight of the first polyamidoamine-epihalohydrin resin and the urea-formaldehyde resin. 2. The paper product of claim 1, wherein the resin system further comprises a second polyamidoamine-epihalohydrin resin, and wherein the first polyamidoamine-epihalohydrin resin and the second polyamidoamine-epihalohydrin resin have at least one different property with respect to one another. 3. The paper product of claim 1, wherein the at least one different property is a molecular weight, a chemical structure, or a combination thereof. 4. The paper product of claim 1, wherein the paper product is a paperboard, a tissue, a towel, or a liquid packaging, and wherein the at least partially cured resin system has a repulpability of 98% or more. 5. The paper product of claim 1, wherein a synthesis of the first polyamidoamine-epihalohydrin resin comprises reacting a polyamine with a functionally-symmetric cross-linker, and wherein the functionally-symmetric cross-linker comprises a di-acrylate compound, a bis(acrylamide) compound, a di-epoxide compound, a polyazetidinium compound, N,N′-methylene-bis-methacrylamide, a poly(alkylene glycol)diglycidyl ether, or any mixture thereof. 6. The paper product of claim 1, wherein the first polyamidoamine-epihalohydrin resin has a charge density of about 2.5 mEq/g of solids to about 3.2 mEq/g of solids, and wherein the resin system, prior to curing, comprises about 40 wt % to about 80 wt % of the urea-formaldehyde resin, based on the combined solids weight of the first polyamidoamine-epihalohydrin resin and the urea-formaldehyde resin. 7. The paper product of claim 1, wherein the first polyamidoamine-epihalohydrin resin has a pH of about 2 to about 4.5, a charge density of about 2 mEq/g of solids to about 4 mEq/g of solids, and a ratio of azetidinium moieties to amide residues of about 0.6 to about 1. 8. The paper product of claim 1, wherein the paper product comprises about 5 lbs to about 10 lbs of the at least partially cured resin system per ton of the plurality of pulp fibers. 9. The paper product of claim 1, wherein the first polyamidoamine-epihalohydrin resin is made by reacting a polyamine with a functionally-symmetric cross-linker to produce a partially cross-linked polyamine, reacting an epihalohydrin with the partially cross-linked polyamine to produce a halohydrin-functionalized polymer, and cyclizing the halohydrin-functionalized polymer to produce the first polyamidoamine-epihalohydrin resin, wherein the first polyamidoamine-epihalohydrin resin has azetidium moieties, and wherein the functionally-symmetric cross-linker comprises a di-acrylate compound, a bis(acrylamide) compound, N,N′-methylene-bis-methacrylamide, a di-epoxide compound, a polyazetidinium compound, or any mixture thereof. 10. The paper product of claim 1, wherein the first polyamidoamine-epihalohydrin resin comprises azetidinium ions and at least one polyamine that is partially crosslinked with a bridging moiety, and wherein the bridging moiety is derived from a functionally-symmetric cross-linker comprising a di-acrylate compound, a bis(acrylamide) compound, a di-epoxide compound, a polyazetidinium compound, N,N′-methylene-bis-methacrylamide, a poly(alkylene glycol)diglycidyl ether, or any mixture thereof. 11. The paper product of claim 1, wherein the resin system, prior to curing, comprises about 40 wt % to about 80 wt % of the urea-formaldehyde resin, based on a combined solids weight of the first polyamidoamine-epihalohydrin resin and the urea-formaldehyde resin. 12. A paper product, comprising: a plurality of pulp fibers and an at least partially cured resin system, wherein the resin system, prior to curing, comprises a polyamidoamine-epihalohydrin resin and a urea-formaldehyde resin, wherein the polyamidoamine-epihalohydrin resin has a charge density of about 2 mEq/g of solids to about 4 mEq/g of solids, and wherein the resin system, prior to curing, comprises greater than 30 wt % to about 80 wt % of the urea-formaldehyde resin, based on a combined solids weight of the polyamidoamine-epihalohydrin resin and the urea-formaldehyde resin. 13. The paper product of claim 12, wherein the paper product comprises about 5 lbs to about 10 lbs of the at least partially cured resin system per ton of the plurality of pulp fibers. 14. The paper product of claim 12, wherein the paper product is a paperboard, a tissue, a towel, or a liquid packaging, and wherein the at least partially cured resin system has a repulpability of 98% or more. 15. The paper product of claim 12, wherein the polyamidoamine-epihalohydrin resin has a pH of about 2 to about 4.5, a charge density of about 2.5 mEq/g of solids to about 3.2 mEq/g of solids, and a ratio of azetidinium moieties to amide residues of about 0.6 to about 1, and wherein the resin system, prior to curing, comprises about 40 wt % to about 80 wt % of the urea-formaldehyde resin, based on the combined solids weight of the polyamidoamine-epihalohydrin resin and the urea-formaldehyde resin. 16. The paper product of claim 12, wherein the first polyamidoamine-epihalohydrin resin comprises azetidinium ions and at least one polyamine that is partially crosslinked with a bridging moiety, and wherein the bridging moiety is derived from a functionally-symmetric cross-linker comprising a di-acrylate compound, a bis(acrylamide) compound, a di-epoxide compound, a polyazetidinium compound, N,N′-methylene-bis-methacrylamide, a poly(alkylene glycol)diglycidyl ether, or any mixture thereof. 17. A paper product, comprising a plurality of pulp fibers and an at least partially cured resin system, wherein the resin system, prior to curing, comprises a first polyamidoamine-epihalohydrin resin and a second resin comprising a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof, wherein the first polyamidoamine-epihalohydrin resin comprises azetidinium ions and at least one polyamine that is partially crosslinked with a bridging moiety, and wherein the bridging moiety is derived from a functionally-symmetric cross-linker comprising a di-acrylate compound, a bis(acrylamide) compound, a di-epoxide compound, a polyazetidinium compound, N,N′-methylene-bis-methacrylamide, a poly(alkylene glycol)diglycidyl ether, or any mixture thereof. 18. The paper product of claim 17, wherein the resin system, prior to curing, comprises about 35 wt % to about 80 wt % of the second resin, based on a combined solids weight of the first polyamidoamine-epihalohydrin resin and the second resin. 19. The paper product of claim 18, wherein the second resin comprises the urea-formaldehyde resin, and wherein the functionally-symmetric cross-linker comprises a di-acrylate compound, a bis(acrylamide) compound, a di-epoxide compound, N,N′-methylene-bis-methacrylamide, a poly(alkylene glycol)diglycidyl ether, or any mixture thereof.
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이 특허에 인용된 특허 (36)
Espy Herbert H. (Wilmington DE), Absorbance and permanent wet-strength in tissue and toweling paper.
Hagiopol, Cornel; Luo, Yuping; Townsend, David F.; Johnston, James W.; Ringold, Clay E.; Favors, Karla D., Blends of glyoxalated polyacrylamides and paper strengthening agents.
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Hagiopol, Cornel; Townsend, David F.; Ringold, Clay E.; Johnston, James W.; McDonald, Robert; Simpson, Metric M.; Potter, Frederick S., Blends of polymers as wet strengthening agents for paper.
Pudney Ian A. (Corringham GBX) Stubbs Brian M. (Sidcup GB2) Welch Malcolm J. (Barneveld NLX), Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents.
Grigoriev, Vladimir A.; Furman, Gary S.; Archer, Sammy Lee; Su, Winston; Kaley, Christopher D.; Wei, Mingli, Creping adhesives comprising blends of polyaminoamide epihalolhydrin resins and polyamides.
Schroeder Wen Zyo ; Clarahan Daniel Arthur ; Goulet Mike Thomas ; Shannon Thomas Gerard, Modified condensation polymers having azetidinium groups and containing polysiloxane moieties.
Lu, Chen; Grigoriev, Vladimir; Nguyen, Danny; Rosencrance, Scott, Polyamine polyamidoamine epihaloohydrin compositions and processes for preparing and using the same.
Dulany Margaret A. (Decatur GA) Garvey Chad E. (Ball Ground GA) Ringold Clay E. (Decatur GA) Srinivasan Ramji (Duluth GA), Repulpable wet strength resins for paper and paperboard.
Kokko Bruce Jerome ; Post Elroy Wayne, Wet strength thermosetting resin formulations and polyaminamide polymers suitable for use in the manufacture of paper products.
Hagiopol, Cornel; Townsend, David F.; Ringold, Clay E.; Johnston, James W.; McDonald, Robert; Simpson, Metric M.; Potter, Frederick S., Blends of polymers as wet strengthening agents for paper.
Hagiopol, Cornel; Townsend, David F.; Ringold, Clay E.; Johnston, James W., Wet strengthened fiber products, wet strengthening resins, and methods for making and using same.
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