AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF Z-1-CHLORO-2,3,3,3-TETRAFLUOROPROPENE (HCFO-1224yd(Z))
Heterogeneous azeotrope or azeotrope-like compositions comprising Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and water which may include from about 47.0 wt. % to about 99.7 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 0.3 wt. % to about 53.0 wt. % water and having a boiling point between about 13.0° C. and about 14.0° C. at a pressure of between about 14.0 psia and about 15.0 psia. The azeotrope or azeotrope-like compositions may be used to as blowing agents in the formation of foams.
1 . A foamable composition comprising:
a foam forming agent; and
a blowing agent composition comprising an azeotrope or azeotrope-like composition of Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and water.
2 . The foamable composition of claim 1 , wherein the foam forming agent comprises a polyurethane.
3 . The foamable composition of claim 1 , wherein the foam forming agent comprises a polyisocyanurate.
4 . The foamable composition of claim 1 , further comprising at least one surfactant.
5 . The foamable composition of claim 1 , further comprising at least one catalyst.
6 . The foamable composition of claim 1 , further comprising at least one flammability suppressant.
7 . The foamable composition of claim 1 , further comprising at least one adjuvant selected from the group consisting of: polymer modifier(s), toughening agent(s), colorant(s), dye(s), solubility enhancer(s), rheology modifier(s), plasticizing agent(s), antibacterial agent(s), viscosity reduction modifier(s), filler(s), vapor pressure modifier(s), and combination of any two or more of these.
8 . The foamable composition of claim 1 , wherein the azeotrope or azeotrope-like composition has a boiling point between about 13.0° C. and about 14.0° C. at a pressure of between about 14.0 psia and about 15.0 psia.
9 . The foamable composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 75.0 wt. % to about 99.0 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 25.0 wt. % water.
10 . The foamable composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 80.0 wt. % to about 99 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 20.0 wt. % water.
11 . The foamable composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 85.0 wt. % to about 99.0 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 15.0 wt. % water.
12 . A foam formed from a foamable composition comprising:
the reaction product of a polyol and an isocyanate; and
a blowing agent composition comprising an azeotrope or azeotrope-like composition of Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and water.
13 . The foam of claim 12 , wherein the foam is a closed-cell foam.
14 . The foam of claim 12 , further comprising at least one flammability suppressant.
15 . The foam of claim 12 , wherein the azeotrope or azeotrope-like composition has a boiling point between about 13.0° C. and about 14.0° C. at a pressure of between about 14.0 psia and about 15.0 psia.
16 . The foam of claim 12 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 75.0 wt. % to about 99.0 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 25.0 wt. % water.
17 . The foam of claim 12 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 80.0 wt. % to about 99 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 20.0 wt. % water.
18 . The foam of claim 12 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 85.0 wt. % to about 99.0 wt. % Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) and from about 1.0 wt. % to about 15.0 wt. % water.