CN105461892B - A kind of B2 grades of fire-retardant polyurethane foam material - Google Patents
A kind of B2 grades of fire-retardant polyurethane foam material Download PDFInfo
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Abstract
The invention belongs to foam gap filler field more particularly to a kind of B2 grades of fire-retardant polyurethane foam materials, which is characterized in that each component becomes according to mass fraction group：I 10 70 parts of polyether polyol, II 10 50 parts of polyether polyol, III 20 40 parts of flame retardant polyether polyol of mixing, 20 80 parts of paraffin, 35 parts of Siloxane-Oxyalkylene Copolymers, 24 parts of catalyst, 200 350 parts of isocyanates, 40 80 parts of methyl ether, 30 90 parts of liquefied petroleum gas, 0 30 parts of TCPP；The molecular weight of the polyether polyol I is 1000, degree of functionality 3；The molecular weight 400 of the polyether polyol II, degree of functionality 2；The mixing flame retardant polyether polyol III is a kind of flame retarding polyether of mixing, its average molecular weight 1000, average functionality 2.6.The present invention realizes real B2 grade fire-retardant, i.e. 26 or more oxygen index (OI) by the improvement of formula, the fire-retardant rank of foam significantly improves and flame retardant property stabilization by mixing the use of flame retardant polyether polyol III.
Description
Technical field
The invention belongs to foam gap filler field more particularly to a kind of B2 grades of fire-retardant polyurethane foam materials.
Background technology
Polyurethane foams full name sealing agent of single component polyurethane foam is commonly called as foaming agent, foamed glue, PU gap fillers, is
Aerosol technology and polyurethane foam technology intersect the product combined.It is a kind of by polyurethane prepolymer, foaming agent, catalyst etc.
Component is loaded on the special polyurethane products in pressure-resistant inhalator jar.When material is sprayed from inhalator jar, the polyurethane object of foam shape
Material can expand rapidly and be cured to react to form foam with the moisture in air or the matrix touched.Polyurethane after solidification
Foam gap filler foam has the multi-effects such as joint filling, bonding, sealing, heat-insulated, sound-absorbing, is a kind of environmental protection and energy saving, easy to use
Construction material, be applicable to sealing and plugging, fill a vacancy and squeegee, fix bonding, heat preservation and soundproof is particularly suitable for plastic-steel or aluminium alloy
Sealing and plugging between door and window and wall and waterproof.
Currently, it is all B3 grades that commercially available sealing agent of single component polyurethane foam product, which has 95%, that is, usually say
Regular-type foam, it is interior to be free of fire retardant, without flame retarding function, fire is substantially stained with specific formula is shown in Table 1.Remaining 5% institute
The B2 grades of meaning are fire-retardant, typically realized with addition (chloro isopropyl) phosphate of fire retardant three (abbreviation TCPP), but this kind of
Flame-retardant foam gap filler is since the use of TCPP is there are poor dimensional stability, and the problems such as flame retardant effect is unstable, specific formula is shown in
Table 2.With the continuous improvement of requirement, there is an urgent need to a kind of real B2 grades of flame-retardant foam gap fillers in the market.
The traditional B3 grade sealing agent of single component polyurethane foam formulas of table 1
| Material name and number | Mass fraction % |
| Polyether polyol 310 | 20-30 |
| Polyether polyol 305 | 10-40 |
| Polyether polyol 204 | 30-50 |
| Paraffin | 20-50 |
| Siloxane-Oxyalkylene Copolymers 8871 | 3-5 |
| Catalyst | 2-4 |
| Isocyanates | 250-350 |
| Methyl ether | 50-70 |
| Liquefied petroleum gas | 40-90 |
The traditional B2 grade sealing agent of single component polyurethane foam formulas of table 2
| Material name and number | Mass fraction % |
| Polyether polyol 310 | 20-30 |
| Polyether polyol 305 | 10-40 |
| Polyether polyol 204 | 30-50 |
| TCPP | 40-50 |
| Siloxane-Oxyalkylene Copolymers 8871 | 3-5 |
| Catalyst | 2-4 |
| Isocyanates | 250-350 |
| Methyl ether | 50-70 |
| Liquefied petroleum gas | 40-90 |
Invention content
The present invention in view of the above technical problems, provides a kind of polyurethane foam material being really achieved B2 grades of flame retardant properties
Material.
The technical solution adopted in the present invention is：A kind of B2 grades of fire-retardant polyurethane foam material, which is characterized in that including
It is polyether polyol I, polyether polyol II, mixing flame retardant polyether polyol III, paraffin, Siloxane-Oxyalkylene Copolymers, catalyst, different
Cyanate, methyl ether, liquefied petroleum gas, TCPP, each component become according to mass fraction group：I 10-70 parts of polyether polyol, polyethers
II 10-50 parts of polyalcohol, III 20-40 parts of flame retardant polyether polyol of mixing, 20-80 parts of paraffin, Siloxane-Oxyalkylene Copolymers 3-5
Part, 2-4 parts of catalyst, 200-350 parts of isocyanates, 40-80 parts of methyl ether, 30-90 parts of liquefied petroleum gas, 0-30 parts of TCPP；
The molecular weight of the polyether polyol I is 1000, degree of functionality 3；
The molecular weight 400 of the polyether polyol II, degree of functionality 2；
Average molecular weight 1000, the average functionality 2.6 of the mixing flame retardant polyether polyol III.
Each component is become by more high quality number group：I 10-70 parts of polyether polyol, is mixed at II 20-50 parts of polyether polyol
Close III 20-40 parts of flame retardant polyether polyol, 50-80 parts of paraffin, 3-5 parts of Siloxane-Oxyalkylene Copolymers, 2-4 parts of catalyst, isocyanide
250-350 parts of acid esters, 40-80 parts of methyl ether, 30-90 parts of liquefied petroleum gas.
Each component is become by more high quality number group：I 40 parts of polyether polyol, II 35 parts of polyether polyol, mixing are fire-retardant
III 30 parts of polyether polyol, 65 parts of paraffin, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of catalyst, 300 parts of isocyanates, methyl ether 60
Part, 60 parts of liquefied petroleum gas.
The model GN-GY-505 of the Siloxane-Oxyalkylene Copolymers.
Each component is become by more high quality number group：I 20-30 parts of polyether polyol, is mixed at II 10-40 parts of polyether polyol
Close III 20-30 parts of flame retardant polyether polyol, 20-30 parts of paraffin, 3-5 parts of Siloxane-Oxyalkylene Copolymers, 2-4 parts of catalyst, isocyanide
200-350 parts of acid esters, 50-70 parts of methyl ether, 40-90 parts, TCPP20-30 parts of liquefied petroleum gas.
Each component is become by more high quality number group：I 25 parts of polyether polyol, II 25 parts of polyether polyol, mixing are fire-retardant
III 25 parts of polyether polyol, 25 parts of paraffin, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of catalyst, 275 parts of isocyanates, methyl ether 60
Part, 65 parts, TCPP25 parts of liquefied petroleum gas.
The model B-8871 of the Siloxane-Oxyalkylene Copolymers.
The model polyether polyol 310 of the polyether polyol I, the model polyether polyols of the polyether polyol II
Alcohol 204, the model polyether polyol GN-JM-6100 of the mixing flame retardant polyether polyol III, the catalyst is 2,2- bis-
Morpholinyl Anaesthetie Ether.
The ratio of propane and butane is in the liquefied petroleum gas：Propane：Butane=4：6—6：4.
The ratio of propane and butane is in the liquefied petroleum gas：Propane：Butane=5：5.
Beneficial effects of the present invention are：
1, the present invention is realized B2 grades real by the use of mixing flame retardant polyether polyol III by the improvement of formula
Fire-retardant, i.e. 26 or more oxygen index (OI), the fire-retardant rank of foam significantly improves and flame retardant property is stablized；
2, the coordination for mixing flame retardant polyether polyol III and TCPP uses, that is, ensures foam size stability, and can guarantee
The anti-flammability of foam, while also having taken into account cost；
3, isocyanates selects thick MDI, production cost low.
Specific implementation mode
One, embodiment part
Embodiment 1
(1) each component is weighed according to following mass fraction：I 20 parts of polyether polyol, II 45 parts of polyether polyol, mixing resistance
III 20 parts of combustible polyether glycol, 55 parts of paraffin, 3 parts of Siloxane-Oxyalkylene Copolymers, 4 parts of 2,2- dimorpholine bases Anaesthetie Ether, isocyanide
350 parts of acid esters, 70 parts of methyl ether, 30 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3, and the molecular weight 400 of polyether polyol II, degree of functionality are
2, mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III.
The model GN-GY-505 that Siloxane-Oxyalkylene Copolymers are, the model polyether polyol 310 of polyether polyol I,
The model polyether polyol 204 of polyether polyol II mixes the model polyether polyol GN- of flame retardant polyether polyol III
JM-6110。
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) above-mentioned formula is processed according to following processing technology：
According to formula rate by polyether polyol I, polyether polyol II, mixing flame retardant polyether polyol III, polyether-modified
Polysiloxanes, paraffin, 2,2- dimorpholine base Anaesthetie Ethers are uniformly mixed in 30 DEG C of vacuum stirring kettle, that is, are formed industry and be commonly called as
" expecting mixture in vain "；
On Full-automatic foaming agent filling production lines, white material mixture is replaced with isocyanates component and pours into 750ml's
It is sealed immediately with sealing machine after aerosol batch can, methyl ether and liquefied petroleum gas, and shake well is sequentially added after sealing, was shaken
Cheng Zhong, exothermic reaction occurs for each component in tank, and for exothermic temperature with the variation in season, environment temperature is different, tank body temperature when heat release
Degree is also different, and winter exothermic temperature is 30 DEG C, and summer exothermic temperature is 45 DEG C, usually requires for 24 hours, to wait for polyethers the time required to reaction
In tank after prepolymerization reaction, pot temperature reduces for polyalcohol I, polyether polyol II, polyether polyol III and isocyanates
To room temperature, into finishing room.
Embodiment 2
(1) each component is weighed according to following mass fraction：I 40 parts of polyether polyol, II 35 parts of polyether polyol, mixing resistance
III 30 parts of combustible polyether glycol, 65 parts of paraffin, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of 2,2- dimorpholine bases Anaesthetie Ether, isocyanide
300 parts of acid esters, 60 parts of methyl ether, 60 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3, and the molecular weight 400 of polyether polyol II, degree of functionality are
2, mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III；
The model GN-GY-505 of Siloxane-Oxyalkylene Copolymers, the model polyether polyol 310 of polyether polyol I are gathered
The model polyether polyol 204 of ethoxylated polyhydric alcohol II mixes the model polyether polyol GN-JM- of flame retardant polyether polyol III
6100；
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) processing technology is the same as embodiment 1.
Embodiment 3
(1) each component is weighed according to following mass fraction：I 60 parts of polyether polyol, II 20 parts of polyether polyol, mixing resistance
III 25 parts of combustible polyether glycol, 60 parts of paraffin, 5 parts of Siloxane-Oxyalkylene Copolymers, 2 parts of 2,2- dimorpholine bases Anaesthetie Ether, isocyanide
330 parts of acid esters, 50 parts of methyl ether, 40 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3；The molecular weight 400 of polyether polyol II, degree of functionality are
2；Mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III.
The model GN-GY-505 of Siloxane-Oxyalkylene Copolymers, the model polyether polyol 310 of polyether polyol I are gathered
The model polyether polyol 204 of ethoxylated polyhydric alcohol II mixes the model polyether polyol GN-JM- of flame retardant polyether polyol III
6100。
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) processing technology is the same as embodiment 1.
Embodiment 4
(1) each component is weighed according to following mass fraction：I 20 parts of polyether polyol, II 15 parts of polyether polyol, mixing resistance
III 30 parts of combustible polyether glycol, 30 parts of paraffin, 3 parts of Siloxane-Oxyalkylene Copolymers, 4 parts of catalyst, 220 parts of isocyanates, methyl ether
60 parts, 50 parts, TCPP30 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3, and the molecular weight 400 of polyether polyol II, degree of functionality are
2, mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III；
The model B-8871 of Siloxane-Oxyalkylene Copolymers, the model polyether polyol 310 of polyether polyol I, polyethers
The model polyether polyol 204 of polyalcohol II mixes the model polyether polyol GN-JM- of flame retardant polyether polyol III
6100；
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) above-mentioned formula is processed according to following processing technology：
According to formula rate by polyether polyol I, polyether polyol II, mixing flame retardant polyether polyol III, polyether-modified
Polysiloxanes, paraffin, 2,2- dimorpholine bases Anaesthetie Ether, TCPP are uniformly mixed in 30 DEG C of vacuum stirring kettle, that is, form row
Industry is commonly called as " expecting mixture in vain "；
On Full-automatic foaming agent filling production lines, white material mixture is replaced with isocyanates component and pours into 750ml's
It is sealed immediately with sealing machine after aerosol batch can, methyl ether and liquefied petroleum gas, and shake well is sequentially added after sealing, was shaken
Cheng Zhong, exothermic reaction occurs for each component in tank, and for exothermic temperature with the variation in season, environment temperature is different, tank body temperature when heat release
Degree is also different, and winter exothermic temperature is 30 DEG C, and summer exothermic temperature is 45 DEG C, usually requires for 24 hours, to wait for polyethers the time required to reaction
In tank after prepolymerization reaction, pot temperature reduces for polyalcohol I, polyether polyol II, polyether polyol III and isocyanates
To room temperature, into finishing room.
Embodiment 5
(1) each component is weighed according to following mass fraction：I 25 parts of polyether polyol, II 25 parts of polyether polyol, mixing resistance
III 25 parts of combustible polyether glycol, 25 parts of paraffin, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of catalyst, 275 parts of isocyanates, methyl ether
60 parts, 65 parts, TCPP25 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3, and the molecular weight 400 of polyether polyol II, degree of functionality are
2, mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III；
The model B-8871 that Siloxane-Oxyalkylene Copolymers are, the model polyether polyol 310 of polyether polyol I are gathered
The model polyether polyol 204 of ethoxylated polyhydric alcohol II mixes the model polyether polyol GN-JM- of flame retardant polyether polyol III
6110；
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) processing technology is the same as embodiment 4.
Embodiment 6
(1) each component is weighed according to following mass fraction：I 30 parts of polyether polyol, II 35 parts of polyether polyol, mixing resistance
III 30 parts of combustible polyether glycol, 25 parts of paraffin, 4 parts of Siloxane-Oxyalkylene Copolymers, 2 parts of catalyst, 300 parts of isocyanates, methyl ether
55 parts, 60 parts, TCPP20 parts of liquefied petroleum gas；
The molecular weight of polyether polyol I is 1000, degree of functionality 3, and the molecular weight 400 of polyether polyol II, degree of functionality are
2, mix average molecular weight 1000, the average functionality 2.6 of flame retardant polyether polyol III；
The model B-8871 of Siloxane-Oxyalkylene Copolymers, the model polyether polyol 310 of polyether polyol I, polyethers
The model polyether polyol 204 of polyalcohol II mixes the model polyether polyol GN-JM- of flame retardant polyether polyol III
6100；
The ratio of propane and butane is in liquefied petroleum gas：Propane：Butane=5：5.
It is the mixture of two, three, four officials of methyl diphenylene diisocyanate that isocyanates, which selects thick MDI, thick MDI,
In two officials account for about 45-55%, three officials' accounts for about 25-35%, four officials' accounts for about 15-25%.
(2) processing technology is the same as embodiment 5.
Two, test portion
1, performance comparison is tested
It takes and is not added with TCPP products, B3 grades of products of addition TCPP products and conventional formulation, conventional formulation B2 in the present invention
Grade product carries out performance contrast experiment, the physical index test of foam include the elasticity of foam, adhesion strength, density, oxygen index (OI),
Dimensional stability, specific test method is according to 2004 People's Republic of China's building material industry standards of JC936-- poly- ammonia of one-component
Ester foam gap filler executes, and specific test result is shown in Table 3.
The physical index test data table of comparisons of 3 foam of table
From table 3, it is apparent that the elasticity, the bonding that are not added with TCPP products in the present invention, add TCPP product foams
Intensity is matched with traditional B3 grade sealing agent of single component polyurethane foam formula, traditional B2 grade sealing agent of single component polyurethane foam
Fang Xiangtong, density, oxygen index (OI) are better than traditional B3 grade sealing agent of single component polyurethane foam formula, traditional B2 grade one pack systems
Cranny filler of polyurethane foam formula, dimensional stability are formulated basic phase with traditional B3 grade sealing agent of single component polyurethane foam
Together.
2, flammability is tested
It takes and is not added with TCPP products, B3 grades of products of addition TCPP products and conventional formulation, conventional formulation B2 in the present invention
Grade product carries out performance flammability experiment, and specific test method is according to 2004 People's Republic of China's building material industry marks of JC936-
Standard-single-component cranny filler of polyurethane foam executes, and specific test result is shown in Table 4.
4 flammability experimental results of table
(3) advantageous effect:
It can intuitively be contrasted very much from above-mentioned 4 formulas, by mixing the use of fire-retardant flame retarding polyether GN-JM-6100,
The fire-retardant rank of foam is obviously stablized and is improved.
Experimental Comparison is as a result, the coordination of flame retarding polyether and TCPP use, you can ensures dimensional stability, and can guarantee foam
Anti-flammability, while also having taken into account cost.
6 embodiments of the present invention are described in detail above, but the content is only the preferable implementation of the present invention
Example should not be construed as limiting the practical range of the present invention.It is all according to all the changes and improvements made by the present patent application range
Deng should all still fall within the scope of the patent of the present invention.
Claims (10)
1. a kind of B2 grades of fire-retardant polyurethane foam material, which is characterized in that including polyether polyol I, polyether polyol II,
Mix flame retardant polyether polyol III, paraffin, Siloxane-Oxyalkylene Copolymers, catalyst, isocyanates, methyl ether, liquefied petroleum gas,
TCPP, each component become according to mass fraction group：I 10-70 parts of polyether polyol, II 10-50 parts of polyether polyol, mixing are fire-retardant
III 20-40 parts of polyether polyol, 20-80 parts of paraffin, 3-5 parts of Siloxane-Oxyalkylene Copolymers, 2-4 parts of catalyst, isocyanates
200-350 parts, 40-80 parts of methyl ether, 30-90 parts of liquefied petroleum gas, 0-30 parts of TCPP；
The molecular weight of the polyether polyol I is 1000, degree of functionality 3；
The molecular weight 400 of the polyether polyol II, degree of functionality 2；
Average molecular weight 1000, the average functionality 2.6 of the mixing flame retardant polyether polyol III；The mixing flame retarding polyether
The model polyether polyol GN-JM-6100 of polyalcohol III.
2. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 1, which is characterized in that each component presses quality
Number group becomes：I 10-70 parts of polyether polyol, II 20-50 parts of polyether polyol, III 20-40 of mixing flame retardant polyether polyol
Part, 50-80 parts of paraffin, 3-5 parts of Siloxane-Oxyalkylene Copolymers, 2-4 parts of catalyst, 250-350 parts of isocyanates, methyl ether 40-80
Part, 30-90 parts of liquefied petroleum gas.
3. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 2, which is characterized in that each component presses quality
Number group becomes：I 40 parts of polyether polyol, II 35 parts of polyether polyol, III 30 parts of flame retardant polyether polyol of mixing, paraffin 65
Part, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of catalyst, 300 parts of isocyanates, 60 parts of methyl ether, 60 parts of liquefied petroleum gas.
4. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 2, which is characterized in that described polyether-modified
The model GN-GY-505 of polysiloxanes.
5. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 1, which is characterized in that each component presses quality
Number group becomes：I 20-30 parts of polyether polyol, II 10-40 parts of polyether polyol, III 20-30 of mixing flame retardant polyether polyol
Part, 20-30 parts of paraffin, 3-5 parts of Siloxane-Oxyalkylene Copolymers, 2-4 parts of catalyst, 200-350 parts of isocyanates, methyl ether 50-70
Part, 40-90 parts of liquefied petroleum gas, 20-30 parts of TCPP.
6. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 5, which is characterized in that each component presses quality
Number group becomes：I 25 parts of polyether polyol, II 25 parts of polyether polyol, III 25 parts of flame retardant polyether polyol of mixing, paraffin 25
Part, 4 parts of Siloxane-Oxyalkylene Copolymers, 3 parts of catalyst, 275 parts of isocyanates, 60 parts of methyl ether, 65 parts of liquefied petroleum gas, TCPP
25 parts.
7. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 5, which is characterized in that described polyether-modified
The model B-8871 of polysiloxanes.
8. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 1, which is characterized in that the polyether polyols
The model polyether polyol 310 of alcohol I, the model polyether polyol 204 of the polyether polyol II, the catalyst is
2,2- dimorpholine base Anaesthetie Ethers.
9. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 1, which is characterized in that the liquefied petroleum
The ratio of propane and butane is in gas：Propane：Butane=4：6-6：4.
10. a kind of B2 grades of fire-retardant polyurethane foam materials according to claim 9, which is characterized in that the liquefaction stone
The ratio of propane and butane is in oil gas：Propane：Butane=5：5.
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