Compositions containing tetrafluoropropene and carbon dioxide
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08J-009/12
C09K-003/30
C09K-005/04
C11D-007/50
C08J-009/14
출원번호
US-0097410
(2013-12-05)
등록번호
US-9884946
(2018-02-06)
발명자
/ 주소
Singh, Rajiv R.
Pham, Hang T.
Shankland, Ian
출원인 / 주소
HONEYWELL INTERNATIONAL INC.
대리인 / 주소
Szuch, Colleen D.
인용정보
피인용 횟수 :
0인용 특허 :
36
초록▼
Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from abou
Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from about 1 to about 40 percent, on a weight basis, of carbon dioxide (CO2) and from about 99 to about 60 percent, on a weight basis, of a compound having the Formula I XCFzR3-z (I), where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3. A preferred compound of Formula I is tetrafluoropropene, particularly 1,1,1,3-tetrafluoropropene and/or 1,1,1,3-tetrafluoropropene.
대표청구항▼
1. A foam formed from a foamable composition comprising a blowing agent comprising from about 1 to about 40 percent by weight of carbon dioxide (CO2) and from about 60 to about 99 percent by weight of one or more compounds of Formula I, XCF3 (I), wherein X is a C2 unsaturated, substituted, alkyl rad
1. A foam formed from a foamable composition comprising a blowing agent comprising from about 1 to about 40 percent by weight of carbon dioxide (CO2) and from about 60 to about 99 percent by weight of one or more compounds of Formula I, XCF3 (I), wherein X is a C2 unsaturated, substituted, alkyl radical, and wherein the foam comprises CO2 and said at least one compound of Formula I in a weight ratio of from about 1:99 to about 40:60, respectively and wherein said blowing agent has a dew point of not greater than about 100 psi at about 32° F. 2. A closed cell foam comprising the foam of claim 1. 3. The foam of claim 1 wherein the weight ratio of CO2 to said at least one compound of Formula I is at least about 5:95. 4. The foam of claim 1 wherein the weight ratio of CO2 to said at least one compound of Formula I is at least about 3:97. 5. The foam of claim 1 wherein said blowing agent is non-flammable. 6. The foam of claim 1, wherein said foamable composition further comprises at least one adjuvant selected from the group consisting of dispersing agents, surfactants, supplemental flame suppressants, cell stabilizers, polyols, polyol premix components, and combinations of two or more of these. 7. The foam of claim 1, wherein said foam is a thermoplastic foam. 8. The foam of claim 7, wherein the thermoplastic foam is characterized as at least one of an extruded thermoplastic foam, a polystyrene foam, a polyethylene foam, a low density polyethylene foam, a polypropylene foam, and a polyethyleneterphthalate foam. 9. The thermoplastic foam of claim 7 wherein said one or more compounds of Formula I comprises 1,1,1,3-tetrafluoropropene (HFO-1234) and wherein said composition has a vapor pressure of at least about 30 psia at 35° F. 10. The thermoplastic foam of claim 7 wherein said one or more compounds of Formula I comprises trans-1,1,1,3-tetrafluoropropene (transHFO- 1234ze) and wherein said composition has a vapor pressure of at least about 30 psia at 35° F. 11. The thermoplastic foam of claim 7 wherein said at least one compound of Formula I and said CO2 together comprise at least about 5% by weight of the blowing agent. 12. The thermoplastic foam of claim 7 wherein said at least one compound of Formula I and said CO2 together comprise at least about 15% by weight of the blowing agent. 13. The thermoplastic foam of claim 7 wherein said at least one compound of Formula I and said CO2 together comprise at least about 15% by weight of the blowing agent. 14. The thermoplastic foam of claim 7 wherein said at least one compound of Formula I and said CO2 together comprise at least about 50% by weight of the blowing agent.
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이 특허에 인용된 특허 (36)
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