Bio-based binders for insulation and non-woven mats
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08G-063/48
C09J-103/00
C09D-103/00
C08L-003/00
B32B-017/02
B32B-017/04
C08K-007/14
C03C-025/10
C03C-025/26
C03C-025/32
C08J-003/24
C09J-103/02
C09J-103/04
C09J-105/06
D04H-001/4218
D04H-001/587
D04H-001/64
D04H-013/00
C03C-025/00
C03C-025/64
C08K-005/053
C08K-005/06
C09D-103/04
C08L-005/00
C08L-033/02
B32B-027/04
D04H-005/00
C08K-003/00
C08K-005/00
C08L-003/02
C08L-003/04
C08L-005/06
출원번호
US-0516660
(2014-10-17)
등록번호
US-9290640
(2016-03-22)
발명자
/ 주소
Hawkins, Christopher M.
Hernandez-Torres, Jesus M.
Chen, Liang
출원인 / 주소
Owens Corning Intellectual Capital, LLC
대리인 / 주소
Calfee, Halter & Griswold LLP
인용정보
피인용 횟수 :
0인용 특허 :
53
초록▼
An aqueous binder composition is provided that includes a carbohydrate and a crosslinking agent. In exemplary embodiments, the carbohydrate-based binder composition may also include a catalyst, a coupling agent, a process aid, a crosslinking density enhancer, an extender, a moisture resistant agent,
An aqueous binder composition is provided that includes a carbohydrate and a crosslinking agent. In exemplary embodiments, the carbohydrate-based binder composition may also include a catalyst, a coupling agent, a process aid, a crosslinking density enhancer, an extender, a moisture resistant agent, a dedusting oil, a colorant, a corrosion inhibitor, a surfactant, a pH adjuster, and combinations thereof. The carbohydrate may be natural in origin and derived from renewable resources. Additionally, the carbohydrate polymer may have a dextrose equivalent (DE) number from 2 to 20. In at least one exemplary embodiment, the carbohydrate is a water-soluble polysaccharide such as dextrin or maltodextrin and the crosslinking agent is citric acid. Advantageously, the carbohydrates have a low viscosity and cure at moderate temperatures. The environmentally friendly, formaldehyde-free binder may be used in the formation of insulation materials and non-woven chopped strand mats. A method of making fibrous insulation products is also provided.
대표청구항▼
1. A fibrous insulation product comprising: a plurality of randomly oriented fibers;a binder composition applied to at least a portion of said fibers, said binder composition comprising the reaction product of: maltodextrin having a dextrose equivalent number from 9 to 14, said maltodextrin comprisi
1. A fibrous insulation product comprising: a plurality of randomly oriented fibers;a binder composition applied to at least a portion of said fibers, said binder composition comprising the reaction product of: maltodextrin having a dextrose equivalent number from 9 to 14, said maltodextrin comprising from about 40% to about 95% by weight of total solids of said binder composition; andat least one crosslinking agent selected from monomeric polycarboxylic acid, citric acid, or their corresponding salts, said at least one crosslinking agent comprising from about 5% to about 40% by weight of total solids of said binder composition, said at least one crosslinking agent having a molecular weight from about 90 to about 10,000; anda surfactant comprising from about 0.01% to about 10% by weight of total solids of said binder composition. 2. The fibrous insulation product of claim 1, wherein the surfactant comprises from about 0.02% to about 5% by weight of total solids of said binder composition. 3. The fibrous insulation product of claim 1, wherein the surfactant is a non-ionic surfactant. 4. The fibrous insulation product of claim 1, wherein the non-ionic surfactant comprises an ethoxylated 2,4,7,9-tetramethyl-5-decyn-4,7-diol surfactant. 5. The fibrous insulation product of claim 1, further comprising a silane coupling agent. 6. The fibrous insulation product of claim 5, wherein the silane coupling agent comprises from about 0.01% to about 5% by weight of total solids of said binder composition. 7. The fibrous insulation product of claim 1, wherein said binder composition in a cured state comprises at least one polyester. 8. The fibrous insulation product of claim 1, wherein said maltodextrin has a molecular weight from about 1,000 to about 8,000. 9. The fibrous insulation product of claim 1, wherein said crosslinking agent is citric acid or salt thereof. 10. The fibrous insulation product of claim 1, wherein said at least one crosslinking agent has a molecular weight of from about 190 to about 4,000. 11. The fibrous insulation product of claim 1, wherein said binder composition further comprises at least one member selected from the group consisting of a coupling agent, a process aid agent, an extender, a pH adjuster, a catalyst, a crosslinking density enhancer, a deodorant, an antioxidant, a dust suppressing agent, a biocide, a corrosion inhibitor, and a moisture resistant agent. 12. The fibrous insulation product of claim 1, wherein said binder composition further comprises a process aid agent selected from the group consisting of glycerol, 1,2,4-butanetriol,1,4-butanediol, 1,2-propanediol, 1,3-propanediol, poly(ethylene glycol), polyamides and mixtures thereof. 13. The fibrous insulation product of claim 1, wherein said insulation product is formaldehyde free.
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