CN106700119A - Foaming agent composition and polyurethane hard foam - Google Patents
Foaming agent composition and polyurethane hard foam Download PDFInfo
- Publication number
- CN106700119A CN106700119A CN201611220158.5A CN201611220158A CN106700119A CN 106700119 A CN106700119 A CN 106700119A CN 201611220158 A CN201611220158 A CN 201611220158A CN 106700119 A CN106700119 A CN 106700119A
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- China
- Prior art keywords
- mass parts
- foaming agent
- polyurethane foam
- hard polyurethane
- lba
- 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
- 239000004088 foaming agent Substances 0.000 title claims abstract description 39
- 239000006260 foam Substances 0.000 title claims abstract description 25
- 239000000203 mixture Substances 0.000 title abstract description 7
- 229920002635 polyurethane Polymers 0.000 title abstract description 4
- 239000004814 polyurethane Substances 0.000 title abstract description 4
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 30
- 239000011496 polyurethane foam Substances 0.000 claims description 30
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 17
- 229920000570 polyether Polymers 0.000 claims description 17
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 239000012948 isocyanate Substances 0.000 claims description 8
- 150000002513 isocyanates Chemical class 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 150000002903 organophosphorus compounds Chemical group 0.000 claims description 3
- 150000003961 organosilicon compounds Chemical group 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 2
- LDTMPQQAWUMPKS-OWOJBTEDSA-N (e)-1-chloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)\C=C\Cl LDTMPQQAWUMPKS-OWOJBTEDSA-N 0.000 claims 1
- FDMFUZHCIRHGRG-UHFFFAOYSA-N 3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C=C FDMFUZHCIRHGRG-UHFFFAOYSA-N 0.000 claims 1
- 238000005187 foaming Methods 0.000 abstract description 22
- 238000005265 energy consumption Methods 0.000 abstract description 5
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 abstract 2
- 239000002937 thermal insulation foam Substances 0.000 abstract 2
- 239000013256 coordination polymer Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000004604 Blowing Agent Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- -1 HCFO-1233zd trifluoro propenes Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 206010000269 abscess Diseases 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229910020323 ClF3 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
Classifications
-
- 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
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
- C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
-
- 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
-
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08J2203/16—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
-
- 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
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
-
- 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
- C08J2375/08—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)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a foaming agent composition and polyurethane hard foam. The foaming agent composition is prepared from 12.5-13.5 parts by mass of cyclopentane and 2-3 parts by mass of LBA. Compared with the prior art, the formula of the foaming agent is improved, LBA is added on the basis of cyclopentane, on the basis of guaranteeing that the performance of heat insulation foam of a refrigerator is improved, the density and heat conducting coefficient of the heat insulation foam are reduced, the cost of refrigerator foaming is reduced effectively, the performance of the foam is effectively improved, and then the energy consumption of the refrigerator is effectively reduced.
Description
Technical field
The present invention relates to foaming thermal-insulating technical field, more particularly to a kind of foaming agent and rigid poly urethanes
Foam.
Background technology
The heat-insulating heat-preserving material of conventional refrigerator casing is substantially by pentamethylene separately as foaming agent, poly- in conjunction with combination
Ether completes foaming with isocyanates, and the density of the hard polyurethane foam of formation is high, and thermal conductivity factor is relatively also high, and is difficult logical
The adjustment to being formulated is crossed to realize reducing density and thermal conductivity factor.It also is difficult to ensure that the other performance of heat barrier foam becomes simultaneously
Change, so as to the expectation demand of user can not be realized effectively.
The content of the invention
An object of the present invention is at least to solve one of technical problem present in prior art, there is provided one kind can
Reduce the density of refrigerator heat-insulation and heat-preservation foaming layer and the foaming agent of thermal conductivity factor.
The present invention also aims to provide a kind of thermal conductivity factor low hard polyurethane foam.
Wherein, a kind of foaming agent, including：
The mass parts of pentamethylene 12.5~13.5；And
The mass parts of LBA 2~3.
As a further improvement on the present invention, a kind of foaming agent, including：
The mass parts of pentamethylene 13；And
The mass parts of LBA 2.5.
To realize above-mentioned another goal of the invention, the present invention provides a kind of hard polyurethane foam, including：
The mass parts of combined polyether 100；
The mass parts of isocyanates 137~141；
The mass parts of foaming agent 15~16 as described above.
As a further improvement on the present invention, hard polyurethane foam, including：
The mass parts of combined polyether 100；
The mass parts of isocyanates 139；
The mass parts of foaming agent 15.5 as claimed in claim 1 or 2.
As a further improvement on the present invention, the combined polyether is mixed by following raw material：
Average functionality is the mass parts of PPG 60 that 4.9, hydroxyl value is 400~450mgKOH/g；
Average functionality is the mass parts of PPG 30 that 3.7, hydroxyl value is 470~480mgKOH/g；
The mass parts of crosslinking agent R350X 5；
The mass parts of foam stabiliser 2；
The mass parts of water 0.9；
The mass parts of composite catalyst 1.4；And
The mass parts of fire retardant 8.
As a further improvement on the present invention, the composite catalyst is the composite catalyst of tertiary amines and organotin.
As a further improvement on the present invention, the foam stabiliser is organo-silicon compound.
As a further improvement on the present invention, the fire retardant is organophosphorus compounds.
As a further improvement on the present invention, the LBA is HCFO-1233zd trifluoro propenes.
Compared with prior art, the present invention is improved the formula of foaming agent, be increased on the basis of pentamethylene
LBA, on the basis of refrigerator heat barrier foam performance boost is ensured, reduces the density and thermal conductivity factor of heat barrier foam, very effective
The cost of refrigerator foaming and the performance of lifting foam are saved, and then effectively reduces the energy consumption of refrigerator.
Brief description of the drawings
Fig. 1 is to simply use pentamethylene in the embodiment of the invention to be steeped as the hard polyurethane foam of foaming agent
The SEM photograph in hole；
Fig. 2 is to use in the embodiment of the invention pentamethylene/LBA to be steeped as the hard polyurethane foam of foaming agent
The SEM photograph in hole.
Specific embodiment
Hereinafter present invention will be described in detail.But these implementation methods are not intended to limit the present invention, this area it is common
Structure, method or the conversion functionally that technical staff is made according to these implementation methods are all contained in protection of the invention
In the range of.In reaction condition, reactant or the raw material dosage that one of ordinary skill in the art is done according to these implementation methods
Conversion be all contained in protection scope of the present invention.
Foaming agent of the invention includes：The pentamethylene (cp) of 12.5~13.5 mass parts；2~3 mass parts
LBA。
Wherein, LBA is liquid blowing agent HCFO-1233zd trifluoro propenes of new generation.
The physical property of LBA
| Molecular formula | C3H2ClF3 |
| Molecular weight | 130.50 |
| Boiling point, DEG C | 20 |
| Proportion (25 DEG C), g/cm3 | 1.312 |
| Flash-point, DEG C | -10 |
| ODP | ≈0 |
| GWP | 4.7-7 |
The quality index of LBA
| Outward appearance | Water white transparency liquid gas |
| Purity, % | ≥99.5 |
| Moisture content, mg/kg | ≤100 |
The present invention is improved the formula of existing foaming agent, and appropriate LBA is increased on the basis of pentamethylene, is passed through
The mixture of polynary foaming agent, ensure refrigerator heat barrier foam performance boost on the basis of, reduce foaming system material density and
Thermal conductivity factor, and then the energy consumption of refrigerator is reduced, reduce foaming cost.
In the preferred embodiment of the invention, foaming agent includes：The pentamethylene (cp) of 13 mass parts and 2.5 mass
The LBA of part, using the foaming system of the foaming agent, this foaming system can foam thermal conductivity factor by pentamethylene (cp)
The 19.8mw/m.k of system material is reduced to the 18.40mw/m.k of the foaming system material, and density is by pentamethylene (cp) system
36Kg/m3It is reduced to the 32Kg/m of the foaming system material3, the cost of very effective saving refrigerator foaming and the property of lifting foam
Can, and then effectively reduce the energy consumption of refrigerator.
Foaming agent of the invention is primarily adapted for use in the hard polyurethane foam foaming with PPG as base-material
System, the hard polyurethane foam of preparation is particularly well-suited to refrigerator, refrigerator-freezer, water heater, electric meal, and the Household appliances product such as to praise exhausted
Heat insulation, it can also be used to refrigerating equipment such as refrigerator car, freezing container, basin, freezer etc..
Present invention also offers the hard polyurethane foam prepared using the foaming agent of the embodiment of the present invention.Poly- ammonia
Ester rigid foam can include the combined polyether of 100 mass parts；The isocyanates of 137~141 mass parts；And 15~16 mass parts
Aforementioned foaming agent composition.The present invention is defined by the content of each component to hard polyurethane foam, is chosen more
It is suitable for the constituent content of foaming agent of the invention, can further reduces the density of hard polyurethane foam.
Preferably, in the present embodiment, combined polyether of the hard polyurethane foam comprising 100 mass parts；139 mass parts
Isocyanates；And 15.5 mass parts aforementioned foaming agent composition.
Table 1 shows the component and proportioning of the combined polyether according to the specific embodiment of the invention.Wherein foam stabiliser, multiple
Close catalyst, fire retardant etc. and be chosen as the common reagent of the art.For example, composite catalyst can elect tertiary amines as and have
The composite catalyst of machine tin.Foam stabiliser can elect organo-silicon compound or silicon-type compound as, and its primary structure is：
Polysiloxanes-oxyalkylene block copolymer.Fire retardant can elect organophosphorus compounds as.Present inventor is creatively
It was found that, the combined polyether shown in table 1 is compared for the combined polyether with other components and proportioning, is more suitable for the present invention
Foaming agent.That is, using foaming agent of the invention, combined polyether and this hair shown in table 1
Hard polyurethane foam prepared by bright proportioning, with better performance.
Table 1
Table 2 shows the ginseng of the component, proportioning and raw material of hard polyurethane foam according to an embodiment of the invention
Number information.Referring to table 2, wherein, combined polyether is chosen according to the component and proportioning of table 1.
Table 2
In embodiments of the present invention, the storage temperature of combined polyether is generally 15~23 DEG C.During foaming, by combined polyether and
Foaming agent is premixed in being delivered to premixer, then after mixing with isocyanates, mould is injected into using high pressure foaming machine
In chamber, complete foaming and fill.Specific process parameter can be found in table 3.
Table 3
Table 4 is shown according to a foam process for specific embodiment of the invention.
Table 4
Using CP/LBA components as shown in the foam physics performance table 5 of the foaming system of foaming agent, its mainly density,
The aperture aspect of thermal conductivity factor and foam has very big improvement.
Wherein, the proportioning of each key component of polyurethane foam system is as follows：
Combined polyether mass parts：100
Isocyanate part：136
Pentamethylene (CP) foaming agent mass parts：13
LBA foaming agent mass parts：2.5
Table 5
And in the prior art, simply use foam physics performance table 6 institute of the CP components as the foaming system of foaming agent
Show.
The proportioning of each key component of polyurethane foam system is as follows：
Combined polyether glycol mass parts：100
Isocyanate part：141
Pentamethylene (CP) foaming agent mass parts：13.
Table 6
By the test result contrast of table 5 and table 6 as can be seen that using the rigid polyurethane of CP/LBA blowing agent combination objects systems
The physical property of matter foam mainly has very big improvement in terms of the aperture of density, thermal conductivity factor and foam.The present invention due to
Increased LBA in addition in original cp (pentamethylene) foaming system, and optimize the proportioning (CP/LBA is 13/2.5) of the two,
The mobility and pole that increased the foaming system material significantly reduce the thermal conductivity factor of hard polyurethane foam.Specifically,
The thermal conductivity factor of hard polyurethane foam is reduced to 18.4mw/m.k or so by the 19.8mw/m.k or so of common cp foaming systems,
Global density by cp blowing agent systems 36Kg/m3It is reduced to the 30Kg/m of CP/LBA blowing agent systems3Left and right；Abscess scope
Shown in change ginseng Fig. 1 and Fig. 2, the abscess-size of CP/LBA blowing agent systems is smaller and more uniform.
The mixture that the present invention passes through CP/LBA foaming agents, on the basis of hard polyurethane foam performance boost is ensured, drop
The low density and thermal conductivity factor of hard polyurethane foam.Hard polyurethane foam according to embodiments of the present invention is particularly suitable for ice
Case, the cost of saving refrigerator foaming that can be very effective and the performance of lifting foam, and then effectively reduce the energy consumption of refrigerator.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (9)
1. a kind of foaming agent, it is characterised in that including：
The mass parts of pentamethylene 12.5~13.5；And
The mass parts of LBA 2~3.
2. foaming agent according to claim 1, it is characterised in that the foaming agent includes：
The mass parts of pentamethylene 13；And
The mass parts of LBA 2.5.
3. a kind of hard polyurethane foam, it is characterised in that including：
The mass parts of combined polyether 100；
The mass parts of isocyanates 137~141；
The mass parts of foaming agent 15~16 as claimed in claim 1 or 2.
4. hard polyurethane foam according to claim 3, it is characterised in that hard polyurethane foam, including：
The mass parts of combined polyether 100；
The mass parts of isocyanates 139；
The mass parts of foaming agent 15.5 as claimed in claim 1 or 2.
5. hard polyurethane foam according to claim 3, it is characterised in that the combined polyether is mixed by following raw material
It is made：
Average functionality is the mass parts of PPG 60 that 4.9, hydroxyl value is 400~450mgKOH/g；
Average functionality is the mass parts of PPG 30 that 3.7, hydroxyl value is 470~480mgKOH/g；
The mass parts of crosslinking agent R350X 5；
The mass parts of foam stabiliser 2；
The mass parts of water 0.9；
The mass parts of composite catalyst 1.4；And
The mass parts of fire retardant 8.
6. hard polyurethane foam according to claim 5, it is characterised in that
The composite catalyst is the composite catalyst of tertiary amines and organotin.
7. hard polyurethane foam according to claim 5, it is characterised in that the foam stabiliser is organosilicon compound
Thing.
8. hard polyurethane foam according to claim 5, it is characterised in that the fire retardant is organophosphorus compounds.
9. the hard polyurethane foam according to claim 1 or 3, it is characterised in that the LBA is HCFO-1233zd tri-
Fluoropropene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220158.5A CN106700119B (en) | 2016-12-26 | 2016-12-26 | Blowing agent composition and polyurethane rigid foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220158.5A CN106700119B (en) | 2016-12-26 | 2016-12-26 | Blowing agent composition and polyurethane rigid foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106700119A true CN106700119A (en) | 2017-05-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192065A (en) * | 2017-12-28 | 2018-06-22 | 青岛海尔股份有限公司 | Polyurethane rigid foam plastic and preparation method thereof |
| CN108250404A (en) * | 2017-12-28 | 2018-07-06 | 青岛海尔股份有限公司 | Polyurethane rigid foam plastic and preparation method thereof |
| WO2018227358A1 (en) * | 2017-06-13 | 2018-12-20 | Honeywell International Inc. | Improved foam formulation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104672420A (en) * | 2015-02-09 | 2015-06-03 | 万华化学（宁波）容威聚氨酯有限公司 | High-strength polyurethane rigid foam as well as preparation method and application thereof |
| CN106188615A (en) * | 2015-05-04 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | Triple combination foaming agent, hard polyurethane foam and manufacture method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104672420A (en) * | 2015-02-09 | 2015-06-03 | 万华化学（宁波）容威聚氨酯有限公司 | High-strength polyurethane rigid foam as well as preparation method and application thereof |
| CN106188615A (en) * | 2015-05-04 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | Triple combination foaming agent, hard polyurethane foam and manufacture method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227358A1 (en) * | 2017-06-13 | 2018-12-20 | Honeywell International Inc. | Improved foam formulation |
| CN111670206A (en) * | 2017-06-13 | 2020-09-15 | 霍尼韦尔国际公司 | Improved foam formulations |
| CN108192065A (en) * | 2017-12-28 | 2018-06-22 | 青岛海尔股份有限公司 | Polyurethane rigid foam plastic and preparation method thereof |
| CN108250404A (en) * | 2017-12-28 | 2018-07-06 | 青岛海尔股份有限公司 | Polyurethane rigid foam plastic and preparation method thereof |
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| CN106700119B (en) | 2020-03-17 |
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