FOAMS AND ARTICLES MADE FROM FOAMS CONTAINING HCFO OR HFO BLOWING AGENTS
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IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
C08J-009/00
C08J-009/14
F16L-059/02
출원번호
US-0025633
(2018-07-02)
공개번호
US-0312651
(2018-11-01)
발명자
/ 주소
Williams, David J.
Ling, Yiu Keung
Qin, Sanglu
Lu, Bin
Pan, Rongwei
출원인 / 주소
Williams, David J.
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
The present invention relates to polyurethane foams having a polymeric foam structure including a plurality of closed cells therein; and an HFO or HCFO blowing agent, including HCFO-1233zd or HFO-1234ze. In certain aspects, the present invention relates to foam premixes, and the resulting foam struc
The present invention relates to polyurethane foams having a polymeric foam structure including a plurality of closed cells therein; and an HFO or HCFO blowing agent, including HCFO-1233zd or HFO-1234ze. In certain aspects, the present invention relates to foam premixes, and the resulting foam structures, that include HCFO-1233zd as blowing agent used alone, or in certain aspects, in a blend with a co-blowing agent such as methyl formate.
대표청구항▼
1. A thermal insulating foam comprising polyurethane or polyisocyanurate polymer having a plurality of closed cells and a gaseous composition contained in a plurality of said closed cells, said gaseous composition comprising from about 50 mole % to about 75 mole % trans-1-chloro-3,3,3-trifluoroprope
1. A thermal insulating foam comprising polyurethane or polyisocyanurate polymer having a plurality of closed cells and a gaseous composition contained in a plurality of said closed cells, said gaseous composition comprising from about 50 mole % to about 75 mole % trans-1-chloro-3,3,3-trifluoropropene, and from about 25 mole % to about 50 mole % of methyl formate, said percentages based on the total of said trans-1-chloro-3,3,3-trifluoropropene and methyl formate, wherein said panel foam has a K-factor value at 20° F. after 28 days of aging that is not greater than about 0.13 BTU·in/ft2·hr·° F. and wherein said panel foam has a density of from about 1.5 to about 6.0 pounds per cubic foot. 2. The thermal insulating foam of claim 1 wherein said foam has a K-factor value at 55° F. after 28 days of aging that is not greater than about 0.14 BTU·in/ft2·hr·° F. 3. The thermal insulating foam of claim 1 wherein said foam has a K-factor value at 40° F. after 28 days of aging that is not greater than about 0.13 BTU·in/ft2·hr·° F. 4. A pour-in-place foam panel comprising the foam of claim 1. 5. A thermal insulating article comprising an enclosure and the foam of claim 1. 6. The foam of claim 1, wherein the gaseous blowing agent composition further comprises at least one additional component agent other than trans-1-chloro-3,3,3-trifluoropropene or methyl formate, which is selected from the group consisting of water, organic acids that produce CO2 and/or CO, hydrocarbons; ethers, halogenated ethers; esters, alcohols, aldehydes, ketones, pentafluorobutane; pentafluoropropane; hexafluoropropane; heptafluoropropane; trans-1,2 dichloroethylene; methylal, 1-chloro-1,2,2,2-tetrafluoroethane (HCFC-124); 1,1-dichloro-1-fluoroethane (HCFC-141b); 1,1,1,2-tetrafluoroethane (HFC-134a); 1,1,2,2-tetrafluoroethane (HFC-134); 1-chloro 1,1-difluoroethane (HCFC-142b); 1,1,1,3,3-pentafluorobutane (HFC-365mfc); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea); trichlorofluoromethane (CFC-11); dichlorodifluoromethane (CFC-12); dichlorofluoromethane (HCFC-22); 1,1,1,3,3,3-hexafluoropropane (HFC-236fa); 1,1,1,2,3,3-hexafluoropropane (HFC-236e); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), difluoromethane (HFC-32); 1,1-difluoroethane (HFC-152a); 1,1,1,3,3-pentafluoropropane (HFC-245fa); 1,3,3,3-tetrafluoropropene (HFO-1234ze); 1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzzm); butane; isobutane; n-pentane, iso-pentane, cyclopentane and combinations thereof. 7. The thermal insulating foam of claim 1, wherein said gaseous composition comprises from about 50 mole % to about 70 mole % trans-1-chloro-3,3,3-trifluoropropene, and from about 30 mole % to about 50 mole % of methyl formate. 8. The thermal insulating foam of claim 1, wherein said K-factor value at 55° F. after 28 days of aging is not greater than 0.136 BTU·in/ft2·hr·° F. 9. The thermal insulating foam of claim 1, wherein said K-factor value at 40° F. after 28 days of aging is not greater than 0.123 BTU·in/ft2·hr·° F. 10. The thermal insulating foam of claim 1, wherein said K-factor value at 20° F. after 28 days of aging is not greater than 0.123 BTU·in/ft2·hr·° F. 11. The thermal insulating foam of claim 1 having a core density of about 2 pounds per cubic foot. 12. A thermal insulating foam comprising polyurethane or polyisocyanurate polymer having a plurality of closed cells and a gaseous composition contained in a plurality of said closed cells, said gaseous composition comprising from about 50 mole % to about 75 mole % trans-1-chloro-3,3,3-trifluoropropene and from about 25 mole % to about 50 mole % of methyl formate, said percentages based on the total of said trans-1-chloro-3,3,3-trifluoropropene and methyl formate, wherein said foam has a K-factor value at 40° F. after 28 days of aging that is not greater than about 0.13 BTU·in/ft2·hr·° F. and wherein said foam has a density of from about 1.5 to about 6.0 pounds per cubic foot. 13. A pour-in-place foam panel comprising the foam of claim 19. 14. A thermal insulating article comprising an enclosure and the foam of claim 19. 15. The foam of claim 19, wherein the gaseous composition further comprises at least one additional component agent other than trans-1-chloro-3,3,3-trifluoropropene or methyl formate, which is selected from the group consisting of water, organic acids that produce CO2 and/or CO, hydrocarbons; ethers, halogenated ethers; esters, alcohols, aldehydes, ketones, pentafluorobutane; pentafluoropropane; hexafluoropropane; heptafluoropropane; trans-1,2 dichloroethylene; methylal, 1-chloro-1,2,2,2-tetrafluoroethane (HCFC-124); 1,1-dichloro-1-fluoroethane (HCFC-141b); 1,1,1,2-tetrafluoroethane (HFC-134a); 1,1,2,2-tetrafluoroethane (HFC-134); 1-chloro 1,1-difluoroethane (HCFC-142b); 1,1,1,3,3-pentafluorobutane (HFC-365mfc); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea); trichlorofluoromethane (CFC-11); dichlorodifluoromethane (CFC-12); dichlorofluoromethane (HCFC-22); 1,1,1,3,3,3-hexafluoropropane (HFC-236fa); 1,1,1,2,3,3-hexafluoropropane (HFC-236e); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), difluoromethane (HFC-32); 1,1-difluoroethane (HFC-152a); 1,1,1,3,3-pentafluoropropane (HFC-245fa); 1,3,3,3-tetrafluoropropene (HFO-1234ze); 1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzzm); butane; isobutane; n-pentane, iso-pentane, cyclopentane and combinations thereof. 16. The thermal insulating foam of claim 19, wherein said gaseous composition comprises from about 50 mole % to about 70 mole % trans-1-chloro-3,3,3-trifluoropropene, and from about 30 mole % to about 50 mole % of methyl formate. 17. A thermal insulating foam comprising polyurethane or polyisocyanurate polymer having a plurality of closed cells and a gaseous composition contained in a plurality of said closed cells, said gaseous composition comprising from about 50 mole % to about 75 mole % trans-1-chloro-3,3,3-trifluoropropene and from about 25 mole % to about 50 mole % of methyl formate, said percentages based on the total of said trans-1-chloro-3,3,3-trifluoropropene and methyl formate, wherein said panel foam has a K-factor value at 55° F. after 28 days of aging that is not greater than about 0.14 BTU·in/ft2·hr·° F. and wherein said foam has a density of from about 1.5 to about 6.0 pounds per cubic foot. 18. A pour-in-place foam panel comprising the foam of claim 24. 19. A thermal insulating article comprising an enclosure and the foam of claim 24. 20. The foam of claim 24, wherein the gaseous composition further comprises at least one additional component agent other than trans-1-chloro-3,3,3-trifluoropropene or methyl formate, which is selected from the group consisting of water, organic acids that produce CO2 and/or CO, hydrocarbons; ethers, halogenated ethers; esters, alcohols, aldehydes, ketones, pentafluorobutane; pentafluoropropane; hexafluoropropane; heptafluoropropane; trans-1,2 dichloroethylene; methylal, 1-chloro-1,2,2,2-tetrafluoroethane (HCFC-124); 1,1-dichloro-1-fluoroethane (HCFC-141b); 1,1,1,2-tetrafluoroethane (HFC-134a); 1,1,2,2-tetrafluoroethane (HFC-134); 1-chloro 1,1-difluoroethane (HCFC-142b); 1,1,1,3,3-pentafluorobutane (HFC-365mfc); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea); trichlorofluoromethane (CFC-11); dichlorodifluoromethane (CFC-12); dichlorofluoromethane (HCFC-22); 1,1,1,3,3,3-hexafluoropropane (HFC-236fa); 1,1,1,2,3,3-hexafluoropropane (HFC-236e); 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), difluoromethane (HFC-32); 1,1-difluoroethane (HFC-152a); 1,1,1,3,3-pentafluoropropane (HFC-245fa); 1,3,3,3-tetrafluoropropene (HFO-1234ze); 1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzzm); butane; isobutane; n-pentane, iso-pentane, cyclopentane and combinations thereof.
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