CN105440258A - Hard polyurethane foam, raw material composition, preparation method, and applications thereof - Google Patents
Hard polyurethane foam, raw material composition, preparation method, and applications thereof Download PDFInfo
- Publication number
- CN105440258A CN105440258A CN201510954918.4A CN201510954918A CN105440258A CN 105440258 A CN105440258 A CN 105440258A CN 201510954918 A CN201510954918 A CN 201510954918A CN 105440258 A CN105440258 A CN 105440258A
- Authority
- CN
- China
- Prior art keywords
- polyether
- combined polyether
- preparation
- hard polyurethane
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- 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
- C08J9/141—Hydrocarbons
-
- 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
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/10—Rigid foams
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a hard polyurethane foam, a raw material composition, a preparation method, and applications thereof. The provided polyether raw material composition is characterized by comprising the following raw materials in parts by weight: 30 to 50 parts of polyether polyol SU-450L, 20 to 30 parts of polyester polyol PS-3152, 30 to 50 parts of polyether polyol SD-7100, 2 to 3 parts of foam stabilizer, 1.5 to 2.5 parts of polyurethane synthesis catalyst, 10 to 12 parts of cyclopentane, 7 parts of HFC-245fa, and 1.6 to 1.8 parts of water. The combined polyether is mixed with isocyanate to carry out foaming so as to obtain hard polyurethane foam, which can be used as a filling material and a thermal insulation material. The provided hard polyurethane foam has the advantages of environment-friendliness, safety, good fluidity, high size stability, high compressive strength, and low heat conductivity coefficient, can be used to replace HCFC-141B, and has a wide application prospect in the electric water heater industry.
Description
Technical field
The present invention relates to a kind of hard polyurethane foams, its feedstock composition, preparation method and application thereof.
Background technology
The HCFCs specified according to Montreal protocol eliminates timetable, the HCFCs production and consumption of developing country will be frozen in 2009-2010 yearly mean level in 2013, within 2015, cut down 10% on this basis, the year two thousand twenty cuts down 35%, within 2025, cut down 67.5%, realize completely superseded to the year two thousand thirty.
Current CFC-11 is replaced; And surrogate HCFC-141B also has certain destruction to ozonosphere.Therefore, the country of all participation Montreal Conventions, by eliminating the use of HCFC-141B according to schedule, is dealt into country in Europe, the U.S., Japan etc., stops using HCFC-141B.China, as the country participating in Montreal Convention, is also faced with the alternative work of HCFC-141B;
At present, electric water heater industry is at home also that the polyurethane foam of whipping agent is as lagging material at employing HCFC-141B.Limited along with HCFC-141B, especially when products export is to developed country, because the limited problem of the reason of environmental protection is more and more outstanding.Therefore, find good stability of the dimension, ultimate compression strength urethane that is high, the low alternative HCFC-141B foaming of thermal conductivity is the technical problem being badly in need of at present solving.
Summary of the invention
Technical problem to be solved by this invention is to overcome in prior art, HCFC-141B is that the polyurethane foam of whipping agent is about to be eliminated, its substitute poor dimensional stability, the defect such as ultimate compression strength is low, thermal conductivity is high and provide a kind of hard polyurethane foams, its feedstock composition, preparation method and application thereof.Rigid polyurethane foam of the present invention, good stability of the dimension, ultimate compression strength are high, thermal conductivity is low substitutes field at HCFC-141B, and especially electric water heater sector application has a extensive future.
The invention provides a kind of combined polyether feedstock composition, comprise following raw material components by weight: 30-50 part polyether glycol SU-450L, 20-30 part polyester polyol PS-3152,30-50 part polyether glycol SD-7100,2-3 part suds-stabilizing agent, 1.5-2.5 part urethane synthetic catalyst, pentamethylene 10-12 part, 7 parts of HFC-245fa and 1.6-1.8 part water.
In the present invention, described polyether glycol SU-450L is conventional commercial product in this area, and preferably its viscosity is 7000-9000mPas (25 DEG C), number-average molecular weight 590, hydroxyl value 440-460mgKOH/g, and moisture is less than 0.1wt%; The polyether glycol SU-450L of preferably Shandong Lanxing Dongda Chemical Co., Ltd's production further.
In the present invention, described polyester polyol PS-3152 is conventional commercial product in this area, and preferably its viscosity is 2000-3000mPas (25 DEG C), hydroxyl value 300-330mgKOH/g, and moisture is less than 0.1wt%; The polyester polyol PS-3152 of preferably Nanjing, Nanjing Si Taipan Chemical Co., Ltd. production further.
In the present invention, described polyether glycol SD-7100 is the commercial goods that Shanghai Dongda Chemical Co., Ltd. produces, and preferred viscosities is 6500-11500mPas (25 DEG C), and functionality is 4, and hydroxyl value is 300-330mgKOH/g, and moisture is less than 0.1wt%.
In the present invention, described suds-stabilizing agent is the conventional all kinds of suds-stabilizing agents used in hard polyurethane foams field, preferred silicone suds-stabilizing agent, described silicone suds-stabilizing agent preferred foams stablizer B8545 or suds-stabilizing agent B8544 etc., preferred Evonik Degussa (China) Co., Ltd. of manufacturer of described suds-stabilizing agent B8545 or suds-stabilizing agent B8544.
In the present invention, described urethane synthetic catalyst is the catalyzer for hard polyurethane foams conventional in this area, can use amines catalyst and/or organo-metallic catalyst; Preferred tertiary amines catalyst, described tertiary amine catalyst preferred N, N, N ', N " and, N "-five methyl diethylentriamine, N, N-dimethylcyclohexylamine and TMR-2.As employing N, N, N '; N "; N " when the mixture of-five methyl diethylentriamine, N, N-dimethylcyclohexylamine and TMR-2 is urethane synthetic catalyst, described N, N, N ', N ", N "-five methyl diethylentriamine, described N, preferred 1:(2 ~ 8 of mass ratio of N-dimethylcyclohexylamine and described TMR-2): (2 ~ 3), such as 1:2:2,1:2.7:2,1:3.6:2.4 or 1:7.5:3.
In the present invention, described pentafluoropropane (HFC-245fa) can be conventional commercial HFC-245fa in this area, and preferred manufacturer is Honeywell Int Inc..
In the present invention, the preferred deionized water of described water.
Described combined polyether feedstock composition of the present invention, preferably comprise following raw material components by weight: 30-50 part polyether glycol SU-450L, 20-30 part polyester polyol PS-3152,30-50 part polyether glycol SD-7100,2-3 part suds-stabilizing agent B8544,0.2-0.3 part N, N, N '; N "; N "-five methyl diethylentriamine, 0.8-1.5 part N, N-dimethylcyclohexylamine, 0.6 part of TMR-2,10-12 part pentamethylene, 7 parts of HFC-245fa and 1.6-1.8 part water.
Present invention also offers a kind of preparation method of combined polyether, it comprises the following steps: by described combined polyether feedstock composition except whipping agent each composition according to massfraction Homogeneous phase mixing, again at 10 DEG C ~ 15 DEG C by mixture and whipping agent, mix and namely obtain combined polyether.
In the preparation method of described combined polyether, described mixing is preferably carried out in the fool proof mixing kettle of tool, the fool proof stainless steel mixing kettle of the preferred tool of the fool proof mixing kettle of described tool.Described mixing time preferably 0.5 hour ~ 1 hour, such as 45 minutes.
In the preparation method of described combined polyether, the temperature that described mixture mixes with whipping agent preferably 14 DEG C ~ 15 DEG C.
In the preparation method of described combined polyether, preferably 10 minutes ~ 1 hour time that described mixture mixes with whipping agent, such as 15 minutes.
The combined polyether that the preparation method that present invention also offers described combined polyether obtains.
Present invention also offers a kind of composition for the preparation of hard polyurethane foams, it comprises described combined polyether and polyphenyl polymethylene polyisocyanates, and the mass ratio of wherein said combined polyether and described polyphenyl polymethylene polyisocyanates is (1:1.1) ~ (1:1.25).
In the present invention, described combined polyether and the preferred 1:1.25 of the mass ratio of isocyanic ester.
In the present invention, described polyphenyl polymethylene polyisocyanates is the polyphenyl polymethylene polyisocyanates that this area routine uses, preferred diphenylmethanediisocyanate, the PM200 of preferably Yantai Wan Hua Chemical Co., Ltd. production further.
Present invention also offers a kind of preparation method of hard polyurethane foams, it comprises the following steps: described combined polyether and described polyphenyl polymethylene polyisocyanates are carried out mixing, foaming according to the ratio of mass ratio (1:1.1) ~ (1:1.25), namely obtain hard polyurethane foams.
In the preparation method of described hard polyurethane foams, described mixing, foaming preferably adopt high pressure machines to carry out mixing, foaming.Described mixing, the temperature of foaming preferably 18 DEG C ~ 20 DEG C.Described mixing, the time of foaming preferably 7 minutes ~ 15 minutes, such as 8 minutes.
The hard polyurethane foams that the preparation method that present invention also offers described hard polyurethane foams obtains.
Present invention also offers the application of described hard polyurethane foams as lagging material.The preferred electric water heater field of described application.
Without prejudice to the field on the basis of common sense, above-mentioned each optimum condition, can arbitrary combination, obtains the preferred embodiments of the invention.
Agents useful for same of the present invention and raw material are all commercially.
Positive progressive effect of the present invention is: the present invention is by the adjustment to polyethers system, by the composite HFC-245fa of pentamethylene be whipping agent substitute HCFC-141B foaming urethane, there is the advantages such as zero odp value, low thermal conductivity, meet the environmental requirement substituting HCFC-141B in electric water heater industry completely, the requirement of alternative HCFC-141B can be reached.It in use, can mix with isocyanic ester, note between shell and inner bag and foam, namely obtain hard polyurethane foams by combined polyether of the present invention, thus plays the effect of filling and being incubated.And combined polyether of the present invention can be good at meeting electric water heater field to the manufacturing process of hard polyurethane foams and performance requriements, environmental protection, safety, good fluidity, good stability of the dimension, hard polyurethane foams that the various aspects of performance such as ultimate compression strength is high, thermal conductivity is low is all very excellent can be obtained, substitute field at HCFC-141B, especially electric water heater industry will have broad application prospects.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example, conventionally and condition, or selects according to catalogue.
Use in following example, polyether glycol SU-450L is purchased from Shandong Lanxing Dongda Chemical Co., Ltd.Polyether glycol SD-7100 is purchased from Shanghai Dongda Polyurethane Co., Ltd, polyester polyol PS-3152 is purchased from Nanjing, Nanjing Si Taipan Chemical Co., Ltd., suds-stabilizing agent B-8544 is purchased from Evonik Degussa (China) Co., Ltd., and isocyanic ester PM200 is purchased from Yantai Wanhua Polyurethane Co., Ltd.Polyether glycol SA460 is purchased from Shandong Lanxing Dongda Chemical Co., Ltd, polyether glycol YD1050 is purchased from Yadong, Hebei Chemical Group company limited, polyether glycol SA380 is purchased from Shandong Lanxing Dongda Chemical Co., Ltd.
Embodiment 1-3
In embodiment 1-3, comparative example 2 and comparative example 3, the parts by weight of each component of combined polyether feedstock composition and isocyanic ester are specifically as shown in table 1.
Table 1
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 2 | Comparative example 3 |
| Polyether glycol SU-450L | 30 | 40 | 50 | - | 40 |
| Polyether glycol SD-7100 | 50 | 30 | 30 | - | 30 |
| Polyester polyol PS-3152 | 20 | 30 | 20 | - | 30 |
| Polyether glycol SA460 | - | - | - | 40 | |
| Polyether glycol YD1050 | - | - | - | 30 | |
| Polyether glycol SA380 | - | - | - | 30 | |
| Suds-stabilizing agent B-8544 | 2 | 2.5 | 3 | 2.5 | 2.5 |
| N, N, N ', N ", N " and-five methyl diethylentriamine | 0.2 | 0.3 | 0.25 | 0.3 | 0.3 |
| N, N-dimethylcyclohexylamine | 1.5 | 0.8 | 0.9 | 0.6 | 0.8 |
| TMR-2 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Deionized water | 1.8 | 1.7 | 1.6 | 1.7 | 1.7 |
| Pentamethylene | 10 | 11 | 12 | ||
| HCFC-141B | 22 | 22 | |||
| HFC-245fa | 7 | 7 | 7 | ||
| The total component of combined polyether | 123.1 | 123.9 | 125.35 | 127.7 | 127.9 |
| Isocyanic ester PM200 | 153.9 | 154.9 | 156.7 | 159.6 | 159.9 |
(1) preparation of combined polyether
By combined polyether feedstock composition each composition Homogeneous phase mixing 45 minutes in stainless steel mixing kettle except whipping agent, then by mixture freezing treatment to 14 DEG C, add above-mentioned whipping agent, continue mixing 15 minutes, can combined polyether be obtained.
(2) preparation of polyurethane foam
Described combined polyether and polyphenyl polymethylene polyisocyanates are carried out mixing, foaming 8 minutes at 18 DEG C according to mass ratio 1:1.25, injects the obtained electric water heater rigid polyurethane foam heat insulation material of electric water heater and inner bag centre.
Comparative example 1
Comparative example 1 is the polyurethane foam finished product that existing Shanghai Dongda Polyurethane Co., Ltd commercially available prod is made, and product type is DJD-102, and the whipping agent that this product adopts is HCFC-141B; Foam position power taking water-heater water tank moulded foam.
Effect example 1
Embodiment 1-3 is made product in hard polyurethane foams and comparative example 1-3 to compare, test result sees the following form 2.
Table 2
Experimental result shows, the hard polyurethane foams of gained of the present invention has higher compressive strength, better Low-Temperature Size stability and lower thermal conductivity.
Claims (13)
1. a combined polyether feedstock composition, is characterized in that comprising following raw material components by weight: 30-50 part polyether glycol SU-450L, 20-30 part polyester polyol PS-3152,30-50 part polyether glycol SD-7100,2-3 part suds-stabilizing agent, 1.5-2.5 part urethane synthetic catalyst, pentamethylene 10-12 part, 7 parts of HFC-245fa and 1.6-1.8 part water.
2. combined polyether feedstock composition as claimed in claim 1, is characterized in that:
Described polyether glycol SU-450L viscosity is 7000-9000mPas, number-average molecular weight 590, hydroxyl value 440-460mgKOH/g, and moisture is less than 0.1wt%;
And/or,
Described polyester polyol PS-3152 viscosity is 2000-3000mPas, hydroxyl value 300-330mgKOH/g, and moisture is less than 0.1wt%;
And/or,
Described polyether glycol SD-7100 viscosity is 6500-11500mPas, and functionality is 4, and hydroxyl value is 300-330mgKOH/g, and moisture is less than 0.1wt%;
And/or,
Described water is deionized water;
And/or,
Described suds-stabilizing agent is silicone suds-stabilizing agent;
And/or,
Described urethane synthetic catalyst is amines catalyst and/or organo-metallic catalyst.
3. combined polyether feedstock composition as claimed in claim 2, is characterized in that:
Described silicone suds-stabilizing agent is suds-stabilizing agent B8545 or suds-stabilizing agent B8544;
And/or,
Described tertiary amine catalyst is N, N, N ', N ", N " and-five methyl diethylentriamine, N, N-dimethylcyclohexylamine and TMR-2.
4. combined polyether feedstock composition as claimed in claim 3, is characterized in that:
Described N, N, N ', N ", N " mass ratio of-five methyl diethylentriamine, described N, N-dimethylcyclohexylamine and described TMR-2 is 1:(2 ~ 8): (2 ~ 3).
5. combined polyether feedstock composition as claimed in claim 1, it is characterized in that: described combined polyether feedstock composition, comprise following raw material components by weight: 30-50 part polyether glycol SU-450L, 20-30 part polyester polyol PS-3152,30-50 part polyether glycol SD-7100,2-3 part suds-stabilizing agent B8544,0.2-0.3 part N, N, N '; N "; N "-five methyl diethylentriamine, 0.8-1.5 part N, N-dimethylcyclohexylamine, 0.6 part of TMR-2,10-12 part pentamethylene, 7 parts of HFC-245fa and 1.6-1.8 part water.
6. the preparation method of a combined polyether, it is characterized in that it comprises the following steps: by the combined polyether feedstock composition described in any one of Claims 1 to 5 except whipping agent each composition according to massfraction Homogeneous phase mixing, again at 10 DEG C ~ 15 DEG C by mixture and whipping agent, mix and namely obtain combined polyether.
7. the preparation method of combined polyether as claimed in claim 6, it is characterized in that: in the preparation method of described combined polyether, described being blended in the fool proof mixing kettle of tool is carried out;
And/or,
Described mixing time is 0.5 hour ~ 1 hour;
And/or,
The temperature that described mixture mixes with whipping agent is 14 DEG C ~ 15 DEG C;
And/or,
In the preparation method of described combined polyether, the time that described mixture mixes with whipping agent is 10 minutes ~ 1 hour.
8. the combined polyether that obtains of the preparation method of combined polyether as claimed in claims 6 or 7.
9. the composition for the preparation of hard polyurethane foams, it is characterized in that it comprises combined polyether according to claim 8 and polyphenyl polymethylene polyisocyanates, the mass ratio of wherein said combined polyether and described polyphenyl polymethylene polyisocyanates is (1:1.1) ~ (1:1.25).
10., as claimed in claim 9 for the preparation of the composition of hard polyurethane foams, it is characterized in that: described polyphenyl polymethylene polyisocyanates is diphenylmethanediisocyanate.
The preparation method of 11. 1 kinds of hard polyurethane foams, it is characterized in that it comprises the following steps: combined polyether according to claim 8 and described polyphenyl polymethylene polyisocyanates are carried out mixing, foaming according to the ratio of mass ratio (1:1.1) ~ (1:1.25), namely obtain hard polyurethane foams.
The hard polyurethane foams that the preparation method of 12. hard polyurethane foams as claimed in claim 11 obtains.
13. hard polyurethane foams as claimed in claim 12 are as the application of lagging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954918.4A CN105440258B (en) | 2015-12-17 | 2015-12-17 | A kind of hard polyurethane foams, its feedstock composition, preparation method and applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954918.4A CN105440258B (en) | 2015-12-17 | 2015-12-17 | A kind of hard polyurethane foams, its feedstock composition, preparation method and applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105440258A true CN105440258A (en) | 2016-03-30 |
| CN105440258B CN105440258B (en) | 2018-03-06 |
Family
ID=55550931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510954918.4A Expired - Fee Related CN105440258B (en) | 2015-12-17 | 2015-12-17 | A kind of hard polyurethane foams, its feedstock composition, preparation method and applications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105440258B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397709A (en) * | 2016-09-05 | 2017-02-15 | 珠海格力电器股份有限公司 | Polyurethane foaming composition, polyurethane foaming process and water heater |
| CN106478913A (en) * | 2016-09-29 | 2017-03-08 | 上海东大聚氨酯有限公司 | Combined polyether, polyurethane foam and its feedstock composition, preparation method and application |
| CN106750489A (en) * | 2016-12-26 | 2017-05-31 | 青岛海尔股份有限公司 | Foaming agent and hard polyurethane foam |
| CN109400940A (en) * | 2018-09-28 | 2019-03-01 | 上海东大聚氨酯有限公司 | Combined polyether, from its poly-isocyanurate continuous slab and preparation method thereof |
| CN109627748A (en) * | 2018-12-24 | 2019-04-16 | 宁波酷尔塑料科技有限公司 | A kind of preparation method of polyurethane foamed material |
| CN109749039A (en) * | 2018-12-14 | 2019-05-14 | 上海东大聚氨酯有限公司 | Flame retardant type water-heater water tank combined polyether, flame retardant polyurethane insulating foam and preparation method thereof |
| CN112708094A (en) * | 2020-12-28 | 2021-04-27 | 上海东大聚氨酯有限公司 | Environment-friendly combined polyether and polyurethane foam for ultralow-temperature incubator and preparation method thereof |
| CN116262811A (en) * | 2021-12-13 | 2023-06-16 | 山东一诺威新材料有限公司 | Combined polyether and polyurethane foam for outdoor high-capacity heat-insulating kettle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153989A (en) * | 2005-12-02 | 2007-06-21 | Toyo Tire & Rubber Co Ltd | Polyol composition for rigid polyurethane foam |
| CN101125910A (en) * | 2006-08-16 | 2008-02-20 | 广东科龙电器股份有限公司 | Hard polyurethane foam plastic and producing method thereof |
| WO2013008571A1 (en) * | 2011-07-08 | 2013-01-17 | 住友重機械工業株式会社 | Epicyclic reduction gear |
| CN103665296A (en) * | 2012-09-21 | 2014-03-26 | 上海东大聚氨酯有限公司 | Low-temperature low-conductivity polyurethane foam, raw material composition, combined polyether and preparation method thereof |
| CN104045847A (en) * | 2013-12-17 | 2014-09-17 | 中集集团集装箱控股有限公司 | Foaming agent composition, foaming body composition and foaming body preparation method |
| CN104066799A (en) * | 2011-11-25 | 2014-09-24 | Lg化学株式会社 | Resin mixture |
| CN104066779A (en) * | 2011-12-19 | 2014-09-24 | 霍尼韦尔国际公司 | Compositions of 1,1,1,3,3-pentafluoropropane and cyclopentane |
| CN104497259A (en) * | 2015-01-16 | 2015-04-08 | 上海东大聚氨酯有限公司 | Combined polyether, material composition, polyurethane foam and preparation methods and applications thereof |
| CN105038182A (en) * | 2015-08-28 | 2015-11-11 | 上海东大聚氨酯有限公司 | Premixed polyether polyol, polyurethane raw material composition, foam and preparation method and application of foam |
-
2015
- 2015-12-17 CN CN201510954918.4A patent/CN105440258B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153989A (en) * | 2005-12-02 | 2007-06-21 | Toyo Tire & Rubber Co Ltd | Polyol composition for rigid polyurethane foam |
| CN101125910A (en) * | 2006-08-16 | 2008-02-20 | 广东科龙电器股份有限公司 | Hard polyurethane foam plastic and producing method thereof |
| WO2013008571A1 (en) * | 2011-07-08 | 2013-01-17 | 住友重機械工業株式会社 | Epicyclic reduction gear |
| CN104066799A (en) * | 2011-11-25 | 2014-09-24 | Lg化学株式会社 | Resin mixture |
| CN104066779A (en) * | 2011-12-19 | 2014-09-24 | 霍尼韦尔国际公司 | Compositions of 1,1,1,3,3-pentafluoropropane and cyclopentane |
| CN103665296A (en) * | 2012-09-21 | 2014-03-26 | 上海东大聚氨酯有限公司 | Low-temperature low-conductivity polyurethane foam, raw material composition, combined polyether and preparation method thereof |
| CN104045847A (en) * | 2013-12-17 | 2014-09-17 | 中集集团集装箱控股有限公司 | Foaming agent composition, foaming body composition and foaming body preparation method |
| CN104497259A (en) * | 2015-01-16 | 2015-04-08 | 上海东大聚氨酯有限公司 | Combined polyether, material composition, polyurethane foam and preparation methods and applications thereof |
| CN105038182A (en) * | 2015-08-28 | 2015-11-11 | 上海东大聚氨酯有限公司 | Premixed polyether polyol, polyurethane raw material composition, foam and preparation method and application of foam |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397709A (en) * | 2016-09-05 | 2017-02-15 | 珠海格力电器股份有限公司 | Polyurethane foaming composition, polyurethane foaming process and water heater |
| CN106478913A (en) * | 2016-09-29 | 2017-03-08 | 上海东大聚氨酯有限公司 | Combined polyether, polyurethane foam and its feedstock composition, preparation method and application |
| CN106750489A (en) * | 2016-12-26 | 2017-05-31 | 青岛海尔股份有限公司 | Foaming agent and hard polyurethane foam |
| CN106750489B (en) * | 2016-12-26 | 2019-11-26 | 青岛海尔股份有限公司 | Foaming agent and hard polyurethane foam |
| CN109400940A (en) * | 2018-09-28 | 2019-03-01 | 上海东大聚氨酯有限公司 | Combined polyether, from its poly-isocyanurate continuous slab and preparation method thereof |
| CN109400940B (en) * | 2018-09-28 | 2022-03-01 | 上海东大聚氨酯有限公司 | Conjugate polyethers, polyisocyanurate continuous sheets derived therefrom, and methods of making same |
| CN109749039A (en) * | 2018-12-14 | 2019-05-14 | 上海东大聚氨酯有限公司 | Flame retardant type water-heater water tank combined polyether, flame retardant polyurethane insulating foam and preparation method thereof |
| CN109627748A (en) * | 2018-12-24 | 2019-04-16 | 宁波酷尔塑料科技有限公司 | A kind of preparation method of polyurethane foamed material |
| CN112708094A (en) * | 2020-12-28 | 2021-04-27 | 上海东大聚氨酯有限公司 | Environment-friendly combined polyether and polyurethane foam for ultralow-temperature incubator and preparation method thereof |
| CN116262811A (en) * | 2021-12-13 | 2023-06-16 | 山东一诺威新材料有限公司 | Combined polyether and polyurethane foam for outdoor high-capacity heat-insulating kettle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105440258B (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105440258A (en) | Hard polyurethane foam, raw material composition, preparation method, and applications thereof | |
| CN104497259B (en) | Combined polyether, feedstock composition, polyurethane foam and its preparation method and application | |
| CN105461882B (en) | A kind of combined polyether, polyurethane foam and its feedstock composition and preparation method | |
| CN103665296B (en) | Low temperature is low leads polyurethane foam, feedstock composition, combined polyether and preparation method | |
| CN105038182B (en) | Combined polyether, polyurethane raw material composition, foam and preparation method and application | |
| CN102079803B (en) | Full-water-type combined polyether and application method thereof, and polyurethane rigid foam composition | |
| CA3023927C (en) | Foam-forming compositions containing azeotrope-like mixtures containing cis-1,1,1,4,4,4-hexafluoro-2-butene and dimethoxymethane | |
| CN111647191B (en) | Low-conductivity foaming agent composition, polyurethane rigid foam and preparation method thereof | |
| CN105273218A (en) | Mixtures containing 1,1,1,4,4,4-hexafluorobutene and 1-chloro-3,3,3-trifluoropropene | |
| CN102229697B (en) | Solar polyurethane thermal insulation material | |
| CN102504163B (en) | Conjugate polyether for hard polyurethane foam and using method thereof | |
| CN110628073A (en) | Formula and preparation method of polyurethane rigid foam | |
| CN102443134A (en) | Polyurethane rigid foam and preparation method thereof | |
| CN103467701A (en) | Polyurethane heat insulation foaming material and preparation method thereof | |
| CN108610621A (en) | A kind of high acoustic absorption low-density polyurethane semi-rigid foam and preparation method thereof | |
| CN101348551A (en) | Water-blown polyurethane rigid foam combined polyether | |
| CN103709369A (en) | Fluoride-free environmentally-friendly-type rigid polyurethane foam sheet material composite material | |
| CN104448188A (en) | Composite polyether, composition including composite polyether and polyurethane block foam and preparing method and application of composite polyether | |
| CN105461895B (en) | Combined polyether, polyisocyanurate foam and its feedstock composition and preparation method | |
| CN107459626A (en) | Refrigerator polyurethane composition polyethers and its hard polyurethane foam | |
| CN108250404A (en) | Polyurethane rigid foam plastic and preparation method thereof | |
| CN100509903C (en) | Hard polyurethane foam plastic | |
| CN103626950B (en) | Hard polyurethane foams and feedstock composition, combined polyether, preparation method and purposes | |
| CN101544778A (en) | Vesicant composite for producing rigid polyurethane foam and application thereof | |
| CN101948563B (en) | Pentane type composite polyether and composition containing same, rigid polyurethane rigid foam and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20181217 |