Bonded foam product manufactured with vegetable oil polyol and method for manufacturing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-003/00
B05D-003/02
출원번호
UP-0230798
(2005-09-20)
등록번호
US-7566406
(2009-08-05)
발명자
/ 주소
Gilder, Stephen D.
출원인 / 주소
L&P Property Management Company
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
4인용 특허 :
44
초록▼
A bonded foam product manufactured with a vegetable oil polyol is herein disclosed. The pre-polymer for use as a binder in the manufacture of a bonded foam product comprises an isocyanate and a vegetable oil polyol, wherein the pre-polymer is substantially free of any petrochemical polyol. In anothe
A bonded foam product manufactured with a vegetable oil polyol is herein disclosed. The pre-polymer for use as a binder in the manufacture of a bonded foam product comprises an isocyanate and a vegetable oil polyol, wherein the pre-polymer is substantially free of any petrochemical polyol. In another aspect, the invention is method for making a bonded foam product, the method comprising coating a plurality of foam pieces with a pre-polymer, the pre-polymer comprising an isocyanate and a vegetable oil polyol, wherein the pre-polymer is substantially free of any petrochemical polyol, compressing the foam pieces into a foam log of a desired density, and steaming the foam log to cure the pre-polymer. If desired, a process oil may be added to the pre-polymer to modify the viscosity of the pre-polymer.
대표청구항▼
What is claimed is: 1. A pre-polymer for use as a binder in the manufacture of a bonded foam product comprising: a non-acidified isocyanate, a vegetable oil polyol, and a process oil, wherein the pre-polymer is substantially free of any petrochemical polyol, wherein the pre-polymer comprises about
What is claimed is: 1. A pre-polymer for use as a binder in the manufacture of a bonded foam product comprising: a non-acidified isocyanate, a vegetable oil polyol, and a process oil, wherein the pre-polymer is substantially free of any petrochemical polyol, wherein the pre-polymer comprises about 37 weight percent isocyanate and about 20 weight percent vegetable oil polyol, and wherein substantially all of the balance of the pre-polymer is process oil. 2. The pre-polymer of claim 1 wherein the process oil is added to the pre-polymer to modify the viscosity of the pro-polymer. 3. The pre-polymer of claim 2 wherein the vegetable oil polyol is derived from a vegetable oil, and wherein the chemical structure of the vegetable oil is not substantially modified to form the vegetable oil polyol. 4. The pre-polymer of claim 3 wherein the vegetable oil polyol is castor oil polyol. 5. The pre-polymer of claim 4 wherein the viscosity of the pre-polymer is less than about 1,000 centipoise at about 90 ° F. 6. The pre-polymer of claim 5 wherein the viscosity of the pre-polymer is less than about 1,000 centipoise at about 90 ° F about 60 hours after combining the isocyanate and the vegetable oil polyol. 7. The pre-polymer of claim 6 further comprising: an antimicrobial chemical compound that discourages the growth of mildew and mold in a product manufactured with the pre-polymer. 8. The pre-polymer of claim 7 further comprising: a dimorpholinodiethylether catalyst that reduces the amount of moisture required to cure the pre-polymer. 9. A bonded foam product manufactured with the pre-polymer of any of claims 1, 2, or 3-8. 10. A method for making a bonded foam product, the method comprising: coating a plurality of foam pieces with a pre-polymer, the pre-polymer comprising from about 32 weight percent to about 42 weight percent of a non-acidified isocyanate and from about 15 weight percent to about 25 weight percent of a vegetable oil polyol, wherein substantially all of the balance of the pre-polymer is process oil, and wherein the pre-polymer is substantially free of any petrochemical polyol; compressing the foam pieces into a foam log of a desired density; and steaming the foam log to cure the pre-polymer, wherein the viscosity of the pre-polymer is less than about 1,000 centipoise at about 90 ° F. 11. The method of claim 10 wherein the process oil is added to the pre-polymer to modify the viscosity of the pre-polymer. 12. The method of claim 10 wherein the pre-polymer further comprises an antimicrobial chemical compound that discourages the growth of mildew and mold in a product manufactured with the pre-polymer. 13. The method of claim 10 wherein the vegetable oil polyol is derived from a vegetable oil, and wherein the chemical structure of the vegetable oil is not substantially modified to form the vegetable oil polyol. 14. The method of claim 13 wherein the vegetable oil polyol is castor oil polyol. 15. The method of claim 10 wherein the viscosity of the pre-polymer is less than about 1,000 centipoise at about 90 ° F about 60 hours after combining the isocyanate and the vegetable oil polyol. 16. A bonded foam underlayment manufactured according to the method of any of claims 10, 11, 12-14, or 15. 17. The pre-polymer of claim 1, wherein the isocyanate has an acidity of less than or equal to about 40 parts-per-million (ppm) hydrogen chloride (HCI). 18. The method of claim 10 wherein the isocyanate has an acidity of less than or equal to about 40 parts-per-million (ppm) hydrogen chloride (HCI). 19. The method of claim 10, wherein the pre-polymer comprises about 10 weight percent free isocyanates prior to coating the foam pieces. 20. The method of claim 11, wherein the pre-polymer comprises about 37 weight percent of the isocyanate and about 45 weight percent process oil, wherein substantially all of the balance of the pre-polymer is vegetable oil polyol. 21. A method comprising: coating a plurality of foam pieces with a pre-polymer, wherein the pre-polymer comprises from about 32 weight percent to about 42 weight percent of non-acidified isocyanate, from about 15 weight percent to about 25 weight percent of a castor oil polyol, and from about 38 weight percent to about 48 weight percent of a process oil, and wherein the pre-polymer is substantially free of any petrochemical polyol; compressing the foam pieces into a foam log of a desired density; and curing the foam log. 22. The method of claim 21 wherein the isocyanate has an acidity of less than or equal to about 40 pads-per-million (ppm) hydrogen chloride (HCl). 23. method comprising: coating a plurality of foam pieces with the pre-polymer of claim 1; compressing the foam pieces into a foam log of a desired density; and curing the foam log, wherein the compression is part of a log and peel process, an extrusion process, or a continuous extrusion process. 24. The method of claim 10, wherein the compression is part of a log and peel process, an extrusion process, or a continuous extrusion process. 25. The method of claim 21, wherein the compression is part of a log and peel process, an extrusion process, or a continuous extrusion process.
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