Foams And Articles Made From Foams Containing 1-Chloro-3,3,3-Trifluoropropene (HFCO-1233zd)

Abstract

The present invention relates to poured-in place polyurethane foams and polyol premixes comprising 1-chloro-3,3,3-trifluoropropene (HFCO-1233zd) and one or more additional co-blowing agents.

What is claimed is: 
     
         1 . A poured-in place polyurethane foam comprising: a polymeric foam structure including a plurality of closed cells therein; and trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)) contained in at least a portion of said cells. 
     
     
         2 . The poured-in place polyurethane foam of  claim 1  wherein a majority of said cells contain a gas comprising said HFCO-1233zd(E). 
     
     
         3 . The poured-in place polyurethane foam of  claim 2  wherein said gas comprises at least 50% by volume of said HFCO-1233zd(E). 
     
     
         4 . The poured-in place polyurethane foam of  claim 2  wherein said gas consists essentially of HFCO-1233zd(E). 
     
     
         5 . The poured-in place polyurethane foam of  claim 1  where said cells contain a gas comprising HFCO-1233zd(E) and at least one additional agent selected from the group consisting of water, organic acids that produce CO 2  and/or CO, hydrocarbons; ethers, halogenated ethers; esters, alcohols, aldehydes, ketones, pentafluorobutane; pentafluoropropane; hexafluoropropane; heptafluoropropane; trans-1,2 dichloroethylene; methylal, methyl formate; 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; normal pentane; isopentane; cyclopentane, and combinations thereof. 
     
     
         6 . The poured-in place polyurethane foam of  claim 1  where said cells contain a gas comprising HFCO-1233zd(E) and cyclopentane. 
     
     
         7 . The poured-in place polyurethane foam of  claim 6  wherein trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)) is provided an amount of from about 5 wt. % to about 99 wt. % and cyclopentane is provided in an amount from about 95 wt. % to about 1 wt. %. 
     
     
         8 . The poured-in place polyurethane foam of  claim 6  wherein trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)) is provided an amount of from about 25 wt. % to about 90 wt. % and cyclopentane is provided in an amount from about 75 wt. % to about 10 wt. %. 
     
     
         9 . The poured-in place polyurethane foam of  claim 6  wherein trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)) is provided an amount of from about 50 wt. % to about 85 wt. % and cyclopentane is provided in an amount from about 50 wt. % to about 15 wt. %. 
     
     
         10 . The poured-in place polyurethane foam of  claim 1  having a free rise density of 1.87 lb/ft 3 . 
     
     
         11 . The poured-in place polyurethane foam of  claim 1  having a core density of 2.21 lb/ft 3 . 
     
     
         12 . The poured-in place polyurethane foam of  claim 6  having a free rise density of greater than 1.71 lb/ft 3 . 
     
     
         13 . The poured-in place polyurethane foam of  claim 6  having a core density of greater than 2.33 lb/ft 3 . 
     
     
         14 . A pour-in place foam premix comprising a polyol; a blowing agent comprising trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)); at least one surfactant; and at least one catalyst. 
     
     
         15 . The pour-in place foam premix of  claim 14  wherein the blowing agent further comprises one or more additional blowing agents selected from the group consisting of water, organic acids that produce CO 2  and/or CO, hydrocarbons; ethers, halogenated ethers; esters, alcohols, aldehydes, ketones, pentafluorobutane; pentafluoropropane; hexafluoropropane; heptafluoropropane; trans-1,2 dichloroethylene; methylal, methyl formate; 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; normal pentane; isopentane; cyclopentane, and combinations thereof. 
     
     
         16 . The pour-in place foam premix of  claim 14  wherein the blowing agent further comprises cyclopentane. 
     
     
         17 . The pour-in place foam premix of  claim 14  wherein the foam premix has a foam reactivity gel time of about 55 seconds. 
     
     
         18 . The pour-in place foam premix of  claim 14  wherein the foam premix has a foam reactivity tack free time of about 100 seconds. 
     
     
         19 . The pour-in place foam premix of  claim 16  wherein the foam premix has a foam reactivity gel time from 52 to 55 seconds. 
     
     
         20 . The pour-in place foam premix of  claim 16  wherein the foam premix has a foam reactivity tack free time from 85 to 100 seconds.