KR20170039357A - Blowing agents comprising azeotrope and azeotrope-like compositions of hydrochlorofluoroolefins and polyol premixes compositions comprising the blowing agents - Google Patents
Blowing agents comprising azeotrope and azeotrope-like compositions of hydrochlorofluoroolefins and polyol premixes compositions comprising the blowing agents Download PDFInfo
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- KR20170039357A KR20170039357A KR1020150138375A KR20150138375A KR20170039357A KR 20170039357 A KR20170039357 A KR 20170039357A KR 1020150138375 A KR1020150138375 A KR 1020150138375A KR 20150138375 A KR20150138375 A KR 20150138375A KR 20170039357 A KR20170039357 A KR 20170039357A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0004—Use of compounding ingredients, the chemical constitution of which is unknown, broadly defined, or irrelevant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/16—Unsaturated hydrocarbons
- C08J2203/162—Halogenated unsaturated hydrocarbons, e.g. H2C=CF2
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
Abstract
A blowing agent comprising an azeotropic composition of hydrochlorofluoroolefins or a similar azeotropic composition and a polyol premix composition comprising the same are provided. Specifically, the blowing agent may be an azeotropic or quasi-azeotropic composition consisting essentially of 1,2-dichloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene. . The foaming agent is excellent in foaming performance, and the foam produced by using the foaming agent can maintain heat insulation with a high-performance rigid foam, has a boiling point higher than room temperature and is easy to carry out, and is harmless to environmental requirements, It is expected.
Description
More particularly, the present invention relates to a blowing agent comprising an azeotropic composition or a similar azeotropic composition of a hydrochlorofluoroolefin and a polyol premix composition containing the same.
Low density rigid or semi-rigid foams are used in a wide range of applications, including panel construction materials, insulation materials for refrigerators and refrigerators, automotive insulation materials or components in airplane cabinets, which require excellent insulation and fire characteristics at low densities Of the present invention. Such foams are mainly in the form of insulating foams adhering to substrates and substrates, and polyurethane foams containing gaseous compositions in closed cells and cells are the most commonly used.
The foaming agent used for foam production is preferably used because of its convenience in use, volatility, thermal conductivity, and excellent fire characteristics. The fluorine-based foaming agent forms a closed cell structure in the hard foam or is entrained to act as an important factor in the thermal conductivity of the hard urethane foam. Since the thermal conductivity of the foam is greatly influenced by the size and size distribution of the cell, research on the foaming agent capable of controlling the size and size distribution of the cell uniformly and densely at the time of foam formation is continuously being carried out.
Conventionally, a substance such as CFC-11 / HCFC-141b is mainly used as a foaming agent. However, due to environmental problems such as prevention of global warming and depletion of the ozone layer, a substance capable of replacing the conventional foaming agent is required. HFC-245fa has been reported as an alternative foaming agent, but the foaming agent also has a disadvantage in that it exhibits a high warming index. Therefore, it is necessary to develop a novel fluorine-based foaming agent which is harmless to the environment requirement and can be easily used in the industry.
A problem to be solved by the present invention is to provide a foaming agent that is excellent in foaming performance and harmless to environmental demands.
In order to solve the above-mentioned problems, one aspect of the present invention provides a process for producing a fluorine- An azeotropic composition or a quasi-azeotropic composition can be provided.
Wherein the blowing agent comprises 20 to 99% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 1 to 80% by weight of the 2-chloro-3,3,3-trifluoropropene, wherein the composition is applied at a pressure of 14.7 psia at a pressure ranging from 20 to 54 < 0 > C It may be boiling point.
Wherein the blowing agent comprises 30 to 70% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 30 to 70 weight percent of the 2-chloro-3,3,3-trifluoropropene, wherein the composition has a viscosity in the range of from 24 to 41 < 0 > C It may be boiling point.
40 to 60% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 40 to 60% by weight of the 2-chloro-3,3,3-trifluoropropene, wherein the composition is applied at a pressure ranging from 28 to 37 < 0 > C It may be boiling point.
Another aspect of the present invention is to provide an azeotropic or quasi-azeotropic composition consisting essentially of 1,2-dichloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene A polyol, and at least one additive selected from the group consisting of a surfactant, an amine catalyst, a metal catalyst, and a flame retardant.
The polyol premix composition may contain the blowing agent in an amount of 5 to 30% by weight.
The foaming agent of the present invention is excellent in foaming performance, and the foams manufactured using the foaming agent can maintain a high heat insulating property with a high-performance rigid foam.
Further, by using the azeotropic composition having a boiling point of room temperature or higher, the foaming agent of the present invention can be easily handled and the efficiency of the foaming process can be improved.
In addition, the foaming agent and the polyol premix composition containing the foaming agent of the present invention are harmless to environmental demands and can be utilized in related fields.
However, the effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. Rather, the intention is not to limit the invention to the particular forms disclosed, but rather, the invention includes all modifications, equivalents and substitutions that are consistent with the spirit of the invention as defined by the claims.
One aspect of the present invention is a process for the preparation of 1,2-dichloro-3,3,3-fluoropropene (HCFO-1223xd) and 2-chloro-3,3 , 2-chloro-3,3,3-trifluoropropene, HCFO-1233xf) or an azeotrope-like composition which is essentially composed of 3-trifluoropropene. That is, the blowing agent of the present invention is a two-component azeotropic mixture containing essentially only the 1,2-dichloro-3,3,3-trifluoropropene and the 2-chloro-3,3,3-trifluoropropene ≪ / RTI >
The above-mentioned 2-chloro-3,3,3-trifluoropropene (CF 3 CCl═CH 2 ) is one of chlorofluoroolefin compounds substituted with fluorine (F) and chlorine (Cl) (cis) type and trans type can be used. The 2-chloro-3,3,3-trifluoropropene is environmentally harmless as compared with the conventional blowing agent and can be suitably used as a main material of a foaming agent requiring a low global warming index. The HFCO-1233xf can be prepared by a known synthesis method.
The 1,2-dichloro-3,3,3-trifluoropropene (CF 3 CCl═CHCl) is one of the fluorochloro fluoroolefin compounds substituted with fluorine (F) and chlorine (Cl) ) Type and trans type can be used.
The azeotropic or quasi-azeotropic composition may be formed by mixing the 2-chloro-3,3,3-trifluoropropene with the 1,2-dichloro-3,3,3-trifluoropropene. The azeotropic or quasi-azeotropic composition means a composition wherein the composition of the liquid and the vapor composition are substantially the same at a given temperature and pressure range and are not classified during heating and evaporation.
The above-mentioned 2-chloro-3,3,3-trifluoropropene has a boiling point of about 15 ° C, and conventionally, a process and cost have been required for forming a temperature when using the foaming agent containing the foaming agent as a foamable composition. The present invention has been made to overcome these disadvantages and to provide a foaming agent having improved boiling point having a boiling point of room temperature or higher, wherein the 1,2-dichloro-3,3,3-trifluoropropene -Trifluoropropene may be mixed to form an azeotropic composition or a quasi-azeotropic composition having a boiling point of room temperature or higher and used as a foaming agent.
Specifically, the blowing agent may be added in the range of 20 to 99% by weight of the 1,2-dichloro-3,3,3-trifluoropropene and the 2-chloro-3,3,3-trifluoropropene Weight percent of the total weight of the composition. The azeotropic or quasi-azeotropic composition may have a boiling point in the range of 20 to 54 DEG C at 14.7 psia pressure. Specifically, the 1,2-dichloro-3,3,3-trifluoropropene is contained in an amount of 1 to 99% by weight and the 2-chloro-3,3,3-trifluoropropene is contained in an amount of 1 to 99 If it is contained in an amount of% by weight, an azeotropic composition or a quasi-azeotropic composition is formed, but it exhibits a relatively high boiling point for application to a foaming agent. Accordingly, in the present invention, the boiling point of the 1,2-dichloro-3,3,3-trifluoropropene in the range of 20 to 99% by weight and the 2-chloro-3,3,3 -Trifluoropropene in an amount of 1 to 80% by weight is employed as a blowing agent to enhance ease of use when used as a blowing agent, and can be utilized as a foaming agent that is easy to handle and used in related fields.
More specifically, the blowing agent may be added in an amount ranging from 30 to 70% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 30 to 70% by weight of the 2-chloro-3,3,3-trifluoropropene. The azeotropic or quasi-azeotropic composition may have a boiling point in the range of 24 to 41 < 0 > C at 14.7 psia pressure.
Further, in one embodiment of the present invention, the blowing agent is added in an amount ranging from 40 to 60% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 40 to 60% by weight of the 2-chloro-3,3,3-trifluoropropene. At this time, the azeotropic composition or the quasi-azeotropic composition may have a boiling point ranging from 28 to 37 캜 at a pressure of 14.7 psia. As described above, according to the present invention, by using an azeotropic composition or a quasi-azeotropic composition having a boiling point near room temperature at atmospheric pressure as a foaming agent, it is possible to improve the problem that a low temperature process is required in forming a foam with a conventional foaming agent composition, The process can be simplified and the process efficiency can be improved.
Another aspect of the present invention is to provide polyol premixes compositions comprising the blowing agent of the present invention described above. Specifically, the polyol premix composition may comprise an azeotropic composition essentially consisting of 1,2-dichloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene, A foaming agent comprising the composition, a polyol, and an additive. The additive may be at least one or more selected from the group consisting of a surfactant, an amine catalyst, a metal catalyst, and a flame retardant.
The polyol premix composition may contain 5 to 30% by weight of the foaming agent. Outside of the above range, foaming may not occur properly during foam formation or it may be difficult to form a uniform bubble size and a cell due to excessive foaming.
The polyol is a material capable of reacting with isocynate and forming a foam contained in a foamable composition for the production of polyurethane or polyisocyanurate foam. Specifically, the polyol may be, for example, a sucrose-containing polyol, a sorbitol-containing polyol, a methyl glucoside-containing polyol, an aromatic polyester polyol, glycerol, ethylene glycol, diethylene glycol, propylene glycol, polyether polyol (A) a graft copolymer of a vinyl polymer, a copolymer of a polyether polyol and a polyurea, or one or more substances condensed with at least one (b), wherein (a) is a mixture of glycerin, ethylene glycol Lecithin, tall oil, palm oil, or castor oil; and (b) an organic solvent, such as isopropyl alcohol, isopropanol, n-butanol, May comprise one or more of ethylene oxide, propylene oxide, a mixture of ethylene oxide and propylene oxide, or combinations thereof It is not limited to me. In one embodiment of the present invention, the polyol premix composition may include the polyol in an amount of 60 to 95% by weight, more specifically 65 to 95% by weight, based on the weight of the entire composition, Specifically 70 to 90% by weight.
The surfactant facilitates the mixing of the materials contained in the polyol premix composition. The polyol premix composition can be used to form a foam for forming a foam during foam formation, The bubble size of the foam can be controlled so that the bubble size can be reduced. This is important because uniform bubble or cell foam of uniform size has desirable compressive strength and thermal conductivity. The surfactant may be selected from a number of surfactants used for the production of polyurethane or polyisocyanurate foam. In one embodiment of the present invention, the surfactant is a polysiloxane polyoxyalkylene block copolymer, and B-8404, B-8409 and B-8462 from Goldshmidt AG ESSEM (Germany) But is not limited thereto. The polyol premix composition may contain the surfactant in an amount ranging from 0.5 to 5.0% by weight based on the weight of the total composition, specifically, 1.0 to 4.0% by weight, more specifically 1.5 to 3.0% by weight %. ≪ / RTI >
The amine catalyst may be added to the composition to promote the reaction during foam formation using the polyol premix composition. The amine catalyst may be, for example, triphenylmethylamine, 1,1-diethyl-M-propylamine or dimethylcyclohexylamine. In one embodiment of the present invention, the amine catalysts may use PC-5 and PC-8 products. The polyol premix composition may contain the amine catalyst in an amount of 0.1 to 2.0% by weight based on the weight of the entire composition.
The flame retardant may be added to reduce the flame spread and retard the ignition as the foam is foamed. The flame retardant may be selected from the group consisting of tris (2-chloroethyl) phosphate, tris (2-chloropropyl) phosphate, tris (2,3-dibromopropyl) phosphate, tris (2-chloroisopropyl) phosphate, tricresyl phosphate, tri (2,2-dichloroisopropyl) phosphate, diethyl N, N-bis (2-hydroxyethyl) aminomethylphosphonate, dimethylmethylphosphate (2,3-dibromopropyl) phosphate, tri (1,3-dichloropropyl) phosphate, and tetra-kiss- (2-chloroethyl) ethylene diphosphate, triethyl phosphate, diammonium phosphate, Various halogenated aromatic compounds, antimony oxide, aluminum trihydrate, polyvinyl chloride or melamine. The polyol premix composition may contain the flame retardant in an amount of 20% by weight or less based on the weight of the entire composition.
The polyol premix composition of the present invention can react with an organic polyisocyanate to form a polyurethane or polyisocyanurate foam. Typically, the foamable composition for foam formation may be provided as a premixed two-component. Specifically, it can be classified as an "A" component comprising the polyisocyanate and the polyisocyanate compatible aid material, and the polyol of the present invention comprising the blowing agent, polyol, surfactant, catalyst, flame retardant and optionally other components The premix composition can generally be classified as a "B" component. Such a foamable composition comprising the "A" component and the "B" component may carry the "A" component and the "B" component through a respective line in a spray gun.
Specifically, the spray gun is heated to a temperature above the boiling point of the blowing agent to pump the "A" and "B" components at high pressure and the "A" and "B" components cross- Can be heated. The foaming agent contained in the foamable composition is not vaporized because it exists under pressure inside the spray gun. However, when the polyurethane prepolymer composition and the polyurethane or polyisocyanate contained in the foamable composition are cross-linked, the foaming agent may be vaporized. The bubble can be captured by a gas revolution before the materials are combined and formed through the crosslinking reaction described above to form a cell that provides an insulating function. Such a foam may be formed on top of an envelope or closed or open wall cavity of a color beam, a roof deck, a base wall, an inner wall and a building according to an embodiment. The foam formed over the various substrates can be used to remove the air flow and effectively seal and isolate the envelope.
The organic polyisocyanate may be an aliphatic polyisocyanate or an aromatic polyisocyanate. In one embodiment of the present invention, an aromatic polyisocyanate can be used. Specifically, the organic polyisocyanate may be a substance represented by the following formula (3)
[Chemical Formula 1]
R (NCO) z
In Formula 1, R is a polyvalent organic radical which is an aliphatic, aralkyl, aromatic, or mixture thereof, and z is an integer corresponding to the valence of R, and may be an integer of at least 2 or more.
Specifically, the organic polyisocyanate may be a mixture of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 2,4-toluene diisocyanate and 2,6-toluene diisocyanate, Aromatic diisocyanates such as toluene diisocyanate, methylene diphenyl diisocyanate, and crude methylene diphenyl diisocyanate; Aromatic triisocyanates such as 4,4 ', 4'-triphenylmethane triisocyanate and 2,4,6-toluene triisocyanate; Aliphatic polyisocyanates such as aromatic tetraisocyanates such as 4,4'-dimethyldiphenylmethane-2,2 ', 5.5'-tetraisocyanate and the like, zeonate methyl esters and the like, and mixtures thereof .
Further, the organic polyisocyanate according to another embodiment is at least one selected from the group consisting of polymethylene polyphenyl isocyanate, hydrogenated methylenediphenyl isocyanate, m-phenylene diisocyanate, tetramethylene diisocyanate, and hexamethylene diisocyanate, isoprene diisocyanate, -Methylenebis (cyclohexyl isocyanate), and the like. Typical aromatic polyisocyanates include m-phenylene diisocyanate, p-phenylene diisocyanate, polymethylene polyphenyl isocyanate, 2,4-toluene diisocyanate, Bis (4-isocyanatophenyl) methene, or bis (2-methyl-4-isocyanate) isocyanurate, Itophenyl) methane, and the like. Preferably, the organic polyisocyanate may be polymethylene polyphenyl isocyanate. Specifically, it may contain 30 to 85% by weight of methylene bis (phenyl isocyanate) based on the total weight of the foamable composition for foam formation, and the remainder comprises polymethylene polyphenyl polyisocyanate having more than 2 functional groups can do.
The organic polyisocyanate may be one prepared by a conventional method known in the art, and in particular, may be one comprising polymethylene polyphenyl isocyanate, methylene bis (phenyl isocyanate), toluene diisocyanate or a combination thereof But is not limited thereto. In one embodiment of the present invention, the polyisocyanate and the polyol component included in the polyol premix composition can be used in an amount to obtain an NCO / OH stoichiometric ratio in the range of about 0.9 to 5.0 when preparing the foamable composition for foam formation . Specifically, in the present invention, the NCO / OH equivalent ratio can be about 1.0 or more to about 3.0 or less, and the optimized range can be about 1.1 to about 2.5.
According to an embodiment, the foamable composition may comprise from 0.1 to 7% by weight of water. This may be to chemically react with the isocyanate contained in the foam formulation to produce carbon dioxide which can act as an auxiliary blowing agent. The water can not be added to the polyol premix composition of the present invention, but if used, it can be added in the form of a separate chemical stream. In addition, by reacting with isocyanate, formic acid can be used to produce carbon dioxide.
Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the scope of the present invention is not limited to the following examples.
[Example]
Example 1 : HCFO - 1223xd And HCFO - At 1233xf Preparation of the resulting azeotropic or quasi-azeotropic composition
The boiling point (boiling point) of the composition was measured using a device equipped with a thermometer on a vacuum jacket boiling point measuring instrument so that a heat exchanger was mounted on the upper part and kept warm and cold. Approximately 15.50 g of HCFO-1233xf was charged into the apparatus and then HCFO-1223xd was added in small portions to produce an azeotropic or quasi-azeotropic composition consisting of HCFO-1223xd and HCFO-1233xf. The change in boiling point and the vapor pressure according to the specific mixing ratio of each substance are shown in Tables 1 and 2 below. The pressure at which the boiling point is measured in Table 1 is 14.7 psia.
Referring to Table 1 above, 1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd) was added to 2-chloro-3,3,3-trifluoropropene (HCFO- (HCFO-1223xd) was 50% by weight, and 2-chloro-3,3-dioxolane was used as the solvent. , And 3-trifluoropropene (HCFO-1233xf) is 50% by weight, it has a boiling point of about 32 ° C, which is a temperature suitable for use as a blowing agent. As described above, the present invention can be applied to a foaming agent by applying an azeotropic composition or a quasi-azeotropic composition having a boiling point in a temperature range close to room temperature, so that the foaming composition containing the same can be foamed by appropriate heat treatment at room temperature or higher.
Referring to the above Table 2, it can be seen that a range of 50 wt% of 1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd) and 2-chloro-3,3,3-trifluoropropene HCFO-1233xf) in the range of 50% by weight. Specifically, at the same temperature, the composition does not exhibit the same pressure as the respective unmixed material, thereby confirming that the composition is formed of an azeotropic or quasi-azeotropic composition. If the composition does not form an azeotropic or quasi-azeotropic composition, the phase of each material may vary according to the temperature formed because the boiling points of the two materials in the mixture are different, Of the unmixed material. However, as shown in Table 2, since the composition prepared in Example 1 of the present invention was formed of the azeotropic composition or the quasi-azeotropic composition, it can be seen that the two materials mixed at the same temperature exhibit a specific pressure without being separated from each other .
Example 2 : Polyol Premix Preparation of a foamable composition comprising the composition
The methylene diphenyl diisocyanate (MDI) as component A was M-200 of Kumho Mitsui Chemicals. SCP-400, GY-420 GY-1000 manufactured by Kukdo Chemical Co., Ltd .; the flame retardant used was TCPP manufactured by Taizhou Xinau Flame Retard Material Co., and the polyol contained in the polyol premix composition, Used Air Product Co's B-8409 and Catalyst used Air Products Co.'s PC-5 and PC-8. The total blowing agent level is 24.7 mls / g. The above materials were blended to form a foamable composition. The compounding ratios of the above materials are shown in Table 3 below.
1233xf / 1223xd
SJ-400
GY-420
GY-1000
3.38
9.15
1.01
3.40
9.14
1.02
3.25
9.15
1.02
3.28
9.15
1.03
PC-8
0.28
0.28
0.28
0.28
1223xd / 1233xf
Experimental Example 1 : Foam manufacturing
As shown in Table 3, the polyol premix composition of MDI and component B, which are components A and B, was placed in a pressure vessel, and a case with a static mixer was mounted in the vessel. Then, the two vessels were sprayed at a constant rate to form a foam.
The generated form had a GT (Gel Time) of 59 seconds and an FRD (Free Rise Density) of 25.36 kg / m 3 . The K-factor (ASTMC C518) was measured from -10 to 40, and the measurement results are shown in Tables 4 and 5 below.
1233xf
1223xd / 1233xf
1223xd
1234ze
1223xd / 1233xf
0
10
24
40
141.5
146.2
155.3
168.7
153.9
160.4
173.0
182.0
Referring to the above Tables 4 and 5, it can be seen that the composition of the present invention comprising 1,2-dichloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene It can be confirmed that the foaming agent containing the azeotropic composition or the quasi-azeotropic composition has a lower K-factor than that of the conventional foaming agent containing HFCO-1234ze when foam is formed. The K-factor is the thermal conductivity according to the density of the foam foam, which can show the insulation performance of the foam foam depending on the hard foam agent. Specifically, the lower the thermal conductivity, the higher the heat insulation. Therefore, the lower the k-factor is, the better the heat insulating property of the foamed foam is. Thus, the foamed product of the present invention has excellent heat insulation properties and excellent foamability .
It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.
Claims (9)
Dichloro-3,3,3-trifluoropropene in the range of 20 to 99% by weight; And an azeotropic or quasi-azeotropic composition comprising 1 to 80% by weight of the 2-chloro-3,3,3-trifluoropropene.
The azeotropic composition or quasi-azeotropic composition may contain,
Wherein the foaming agent has a boiling point in the range of 20 to 54 DEG C at a pressure of 14.7 psia.
30 to 70% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And an azeotropic or quasi-azeotropic composition comprising 30 to 70% by weight of the 2-chloro-3,3,3-trifluoropropene.
The azeotropic composition or quasi-azeotropic composition may contain,
Wherein the foaming agent has a boiling point in the range of 24 to 41 DEG C at a pressure of 14.7 psia.
40 to 60% by weight of the 1,2-dichloro-3,3,3-trifluoropropene; And 40 to 60% by weight of the 2-chloro-3,3,3-trifluoropropene.
The azeotropic composition or quasi-azeotropic composition may contain,
Wherein the foaming agent has a boiling point in the range of 28 to < RTI ID = 0.0 > 37 C < / RTI >
Polyol; And
At least one additive selected from the group consisting of a surfactant, an amine catalyst, a metal catalyst, and a flame retardant.
Wherein the polyol premix composition comprises 5 to 30% by weight of the blowing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150138375A KR101769206B1 (en) | 2015-10-01 | 2015-10-01 | Blowing agents comprising azeotrope and azeotrope-like compositions of hydrochlorofluoroolefins and polyol premixes compositions comprising the blowing agents |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150138375A KR101769206B1 (en) | 2015-10-01 | 2015-10-01 | Blowing agents comprising azeotrope and azeotrope-like compositions of hydrochlorofluoroolefins and polyol premixes compositions comprising the blowing agents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170039357A true KR20170039357A (en) | 2017-04-11 |
| KR101769206B1 KR101769206B1 (en) | 2017-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020150138375A KR101769206B1 (en) | 2015-10-01 | 2015-10-01 | Blowing agents comprising azeotrope and azeotrope-like compositions of hydrochlorofluoroolefins and polyol premixes compositions comprising the blowing agents |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475971B2 (en) | 2001-01-24 | 2002-11-05 | Honeywell International Inc. | Azeotrope-like composition of 1,2-dichloro-3,3,3-trifluoropropene and hydrogen fluoride composition |
| US7803283B2 (en) | 2008-03-31 | 2010-09-28 | Honeywell Internationl Inc. | Azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) and 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) |
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| KR101769206B1 (en) | 2017-08-17 |
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