CN110483739A - A kind of chemical reaction kettle heat insulating material for external and preparation method thereof - Google Patents
A kind of chemical reaction kettle heat insulating material for external and preparation method thereof Download PDFInfo
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- CN110483739A CN110483739A CN201910801725.3A CN201910801725A CN110483739A CN 110483739 A CN110483739 A CN 110483739A CN 201910801725 A CN201910801725 A CN 201910801725A CN 110483739 A CN110483739 A CN 110483739A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F138/00—Homopolymers of compounds having one or more carbon-to-carbon triple bonds
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- 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
- C08G18/83—Chemically modified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/16—Unsaturated hydrocarbons
- C08J2203/162—Halogenated unsaturated hydrocarbons, e.g. H2C=CF2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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Abstract
The present invention relates to chemical reactor field of heat insulating materials, a kind of specifically chemical reaction kettle heat insulating material for external and preparation method thereof, the component including following mass parts: to 50-60 parts of chlorobenzene acetylene, 20-25 parts of diisocyanate, 40-50 parts of polyvalent alcohol, 15-25 parts of fire retardant, 5-8 parts of hydrophilic chain extender and 25-30 parts of auxiliary agent.Polyurethane has first been prepared in the present invention, then by polyurethane and to chlorobenzene acetylene reaction, by polyurethane grafted in phenylacetylene structure, then addition and polymerization reaction are carried out in acetylene structure, form the halogenated polystyrene structure for being grafted with polyurethane, it is grafted fire retardant again, has obtained the chemical reaction kettle heat insulating material for external of fire-retardant, waterproof and excellent thermal insulation performance.
Description
Technical field
The present invention relates to chemical reactor field of heat insulating materials, specifically a kind of chemical reaction kettle heat insulating material for external and
Preparation method.
Background technique
Thermal insulation material generally refers to the material that thermal coefficient is less than or equal to 0.12.Thermal insulation material have developed rapidly, in industry
It uses good heat preservation technology with material to tend to play a multiplier effect in building, for example every in building uses one
Ton mineral wool insulating product, can save one ton of petroleum for 1 year.
The container that the broad understanding of reaction kettle can physically or chemically be reacted, by the design of structure to container with
Parameter configuration realizes the mixed function of heating, evaporation, cooling and high speed that technique requires；Reaction kettle is widely used in petroleum, changes
Work, rubber, pesticide, dyestuff, medicine, food are held for completing the pressure of the technical process such as vulcanization, nitrification, hydrogenation, polymerization
Device.The heat insulation work of reaction kettle annoyings always many chemical companies, they should consider to keep the temperature cost, considers heat preservation effect again
Fruit, reaction kettle only carry out Insulation, could reduce energy consumption, play drop when carry out low temperature or pyroreaction
The purpose of low production cost, existing chemical reaction kettle mostly using outer coating thermal insulation coatings or stick the method for thermal insulation material into
Row heat-insulation and heat-preservation.
Reaction kettle common used material includes: expansion polyphenyl plate, plate extruded polystyrene board, adhesive powder-polystyrene granule thermal insulation mortar, poly- ammonia
Ester foaming material, hard polyurethane board, perlite slurry and mineral wool, the common thermal insulation material of prior art reaction kettle are expansion
One of styrofoam or polyurethane foam material, the reason is that: the thermal coefficient of expansion polyphenyl plate is 0.037-0.041, not only
With excellent heat insulation effect, and it is cheap, and the thermal coefficient of polyurethane foam material is 0.025-0.028, heat insulating ability
Can be more excellent compared with expansion polyphenyl plate, and good waterproof performance, intensity are high；But since the intensity of expansion polyphenyl plate is poor, while polyurethane
The physical stability of foamed material is poor, the two reasons limit expansion polyphenyl plate and polyurethane in reaction kettle external thermal insulation material respectively
The application in material field.
Summary of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of chemical reaction kettle heat insulating material for external
And preparation method thereof, polyurethane has first been prepared in the present invention, and polyurethane is then carried out substitution reaction with to chlorobenzene acetylene, will
Polyurethane grafted that addition and polymerization reaction are then carried out in acetylene structure in phenylacetylene structure, formation is grafted with polyurethane
Halogenated polystyrene structure, then be grafted fire retardant, obtained protecting outside the chemical reaction kettle of fire-retardant, waterproof and excellent thermal insulation performance
Adiabator；And not only containing polyurethane structural but also containing styrofoam in the molecule for the chemical reaction kettle heat insulating material for external being prepared
Polystyrene structure in polystyrene structure after grafted polyurethane, not only increases the intensity of styrofoam, and enhances
The physically stable performance of polyurethane.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of chemical reaction kettle heat insulating material for external, the raw material including following mass fraction: to 50-60 parts of chlorobenzene acetylene, two
20-25 parts of isocyanates, 40-50 parts of polyvalent alcohol, 15-25 parts of fire retardant, 5-8 parts of hydrophilic chain extender and can be with chlorobenzene acetylene
25-30 parts of auxiliary agent of addition reaction occur.
It preferably, further include 10-15 parts of foaming agents, the foaming agent is pentafluoropropane, anti-form-1-chloro- 3,3,3- trifluoros
One of propylene and 3-pentafluorobutane.
It preferably, further include 6-10 parts of inorganic reinforcements, the inorganic reinforcement is quartz glass fibre, boron fibre
One of dimension, basalt fibre, carbon fiber.
Preferably, the fire retardant are as follows: potassium phenylsulphonyl benzene sulfonate, perfluorobutyl potassium sulfonate and 2,4,5- trichlorine benzene sulfonic acids
One of sodium.
Preferably, the diisocyanate are as follows: toluene di-isocyanate(TDI), hexamethylene diisocyanate, 4,4 '-diphenyl
One of methane diisocyanate and isophorone diisocyanate.
Preferably, the polyvalent alcohol are as follows: polyethylene glycol, polycaprolactone diols, one in polytetrahydrofuran ether glycol
Kind.
Preferably, the hydrophilic chain extender are as follows: 2,2- dihydromethyl propionic acids.
Preferably, the auxiliary agent is Cl2Or Br2。
The present invention also protects a kind of preparation method of chemical reaction kettle heat insulating material for external, includes the following steps:
(1) following raw material raw material preparation: is weighed by mass fraction: to 50-60 parts of chlorobenzene acetylene, diisocyanate 20-25
40-50 parts of polyvalent alcohol, 15-25 parts of fire retardant, 5-8 parts of hydrophilic chain extender, with chlorobenzene acetylene addition reaction can occur for part
It is 25-30 parts of auxiliary agent, spare；
(2) preparation of polyurethane: diisocyanate and polyvalent alcohol are mixed, and catalyst dibutyltindilaurylmercaptide osmanthus is added
Acid reacts 1-2h at 75-85 DEG C after mixing, after being cooled to room temperature, hydrophilic chain extender is added, and continue at 60-70 DEG C
12-24h is reacted, stops heating, is cooled to room temperature, filters, wash, obtain polyurethane；
Wherein, catalyst dibutyltindilaurylmercaptide cinnamic acid additional amount is the 3-5% of diisocyanate and polyvalent alcohol gross mass；
(3) modification of polyurethane: chlorobenzene acetylene will be uniformly mixed with the polyurethane that step (2) is prepared, then in 80-
3-5h is reacted at 120 DEG C, is then cooled to room temperature, then after reaction 0.5-1h, is added under illumination condition in auxiliary agent atmosphere
Enter catalyst potassium peroxydisulfate and initiator benzoyl peroxide, reacts 6-10h at 60-90 DEG C, be cooled to room temperature, and be poured into
0.5-1h is impregnated in dimethylformamide in water, filtering, washing obtain modified polyurethane；
Wherein, catalyst potassium peroxydisulfate additional amount is the 2-4% of diisocyanate and polyvalent alcohol gross mass；
Wherein, initiator benzoyl peroxide additional amount is the 3-6% of diisocyanate and polyvalent alcohol gross mass；
(4) preparation of flame-retardant thermal insulation material: the modified polyurethane that step (3) is prepared is mixed with combustion adjuvant, and in
After reacting 1-2h at 60-80 DEG C, natural cooling, adjusting pH is 7, is washed, and filtering is dried at room temperature, obtained outside chemical reaction kettle
Thermal insulation material.
It preferably, further include 10-15 parts of foaming agents or 6-10 parts of inorganic strengthening materials in the raw material that the step (1) weighs
Material, the foaming agent or the inorganic reinforcement are added in step (4) with the combustion adjuvant jointly.
Compared with prior art, the invention has the advantages that:
1, the present invention being prepared by raw material preparation, the preparation of polyurethane, the modification of polyurethane and flame-retardant thermal insulation material
Chemical reaction kettle heat insulating material for external is arrived；
Polyurethane prepolymer is obtained by diisocyanate and polyvalent alcohol under the effect of the catalyst first in the present invention,
Polyurethane high molecule has been prepared after adding hydrophilic chain extender；
Then polyurethane is added in chlorobenzene acetylene so that the imino group on polyurethane on chlorobenzene acetylene phenyl ring
Chlorine atom reacts, polyurethane grafted on phenylacetylene, and makes the hydrogen atom in chlorine atom and imino group in the reaction with salt
The form of acid is made, and then by the addition reaction with auxiliary agent in phenylacetylene structure, and the condition for controlling reaction obtains
Halogenated styrenes structure is arrived, after adding catalyst and initiator benzoyl peroxide at this time, so that halogenated styrenes is double
Key is polymerize, and the polymer of halogenated styrenes is formd, and that be prepared at this time is modified polyurethane, modified polyurethane master
If being grafted polyurethane high molecule on the polymer (styrofoam) of halogenated styrenes；
Also contain halogen atom on polyethylene polymer, the fire retardant selected at this time contains potassium ion and sodium ion, is added
After fire retardant, fire retardant easily occurs with the halogen element being present in polymer through addition reaction on polyethylene polymer anti-
It answers, so that fire retardant grafting on polymer and is realized fire-retardant effect, at this time after mixed foaming agent, so that styrene shape
At the thin polymer film of space net structure, plays the role of supporting internal void, improve the mechanical property of thermal insulation material；It is mixed
Close inorganic reinforcement in the case where, be prepared forming, thermal conductivity Go-to-and-fro, heat preservation insulation, sound absorption qualities it is good, it is corrosion-resistant, change
Learn the stable thermal insulation material of performance.
2, the method comprises the steps of firstly, preparing polyurethane, realize effective heat insulation effect by polyurethane, then polyurethane connects
Branch is replaced on chlorobenzene acetylene, and by chlorine atom, while phenylacetylene structure is formd and connect after addition and polymerization reaction
The styrofoam of branch polyurethane realizes polyurethane and the common heat insulation effect of styrofoam, and the styrofoam after grafting at this time
Intensity obviously increases；In addition, polyurethane is due to a part in being only grafted, not main chain, and the molecular weight formed after being grafted
It is bigger, therefore compared with single polyurethane foam material, physical stability is stronger.
Specific embodiment
Below with reference to the embodiment of the present invention, it is described in detail to preferred embodiment.
Embodiment 1
The present embodiment provides a kind of preparation methods of chemical reaction kettle heat insulating material for external, include the following steps:
(1) following raw material is weighed by mass fraction: to 50 parts of chlorobenzene acetylene, 20 parts of toluene di-isocyanate(TDI), poly- tetrahydro furan
Mutter 40 parts of ether glycol, 15 parts of perfluorobutyl potassium sulfonate, 5 parts of 2,2- dihydromethyl propionic acid and Br2It is 25 parts, spare；
(2) preparation of polyurethane: toluene di-isocyanate(TDI) and polytetrahydrofuran ether glycol are mixed, and are added 1.8 parts and are urged
After reacting 2h at 75 DEG C, 2,2- dihydroxymethyl is added after mixing in agent dibutyltindilaurylmercaptide cinnamic acid after being cooled to room temperature
Propionic acid, and after at 60 DEG C, the reaction was continued for 24 hours, stop heating, be cooled to room temperature, filter, washing obtains polyurethane；
(3) modification of polyurethane: chlorobenzene acetylene will be uniformly mixed with the polyurethane that step (2) is prepared, then 80
5h is reacted at DEG C, is then cooled to room temperature, then in Br2After reacting 0.5h under illumination condition in atmosphere, 1.2 parts of catalyst are added
Potassium peroxydisulfate and 1.8 parts of initiator benzoyl peroxides, react 10h at 60 DEG C, are cooled to room temperature, and solution is poured into two
0.5h is impregnated in methylformamide aqueous solution, filtering, washing obtain modified polyurethane；
(4) preparation of flame-retardant thermal insulation material: the modified polyurethane and perfluorobutyl potassium sulfonate that step (3) is prepared are mixed
It closes, and reacts 2h at 60 DEG C, natural cooling is washed after adjusting pH is 7, and filtering is dried at room temperature, obtains chemical reaction kettle
Heat insulating material for external.
Embodiment 2
The present embodiment provides a kind of preparation methods of chemical reaction kettle heat insulating material for external, include the following steps:
(1) following raw material raw material preparation: is weighed by mass fraction: to 55 parts of chlorobenzene acetylene, hexamethylene diisocyanate
23 parts, 45 parts of polycaprolactone diols, 20 parts of potassium phenylsulphonyl benzene sulfonate, 7 parts of 2,2- dihydromethyl propionic acid and Cl2It is 28 parts, standby
With；
(2) preparation of polyurethane: hexamethylene diisocyanate and polycaprolactone diols are mixed, and are added 2.72 parts
Catalyst dibutyltindilaurylmercaptide cinnamic acid reacts 1.5h at 80 DEG C, is cooled to room temperature after mixing, adds 2,2- dihydroxy
Methylpropanoic acid, and the reaction was continued at 65 DEG C 18h stop heating, are cooled to room temperature, and filter, and washing obtains polyurethane；
(3) modification of polyurethane: chlorobenzene acetylene will be uniformly mixed with the polyurethane that step (2) is prepared, then 100
4h is reacted at DEG C, after then cooling to room temperature, then in Cl2After reacting 0.75h under illumination condition in atmosphere, it is added 2.04 parts and urges
Agent potassium peroxydisulfate and 3.4 parts of initiator benzoyl peroxides, react 8h at 75 DEG C, are cooled to room temperature, and solution is poured into
0.75h is impregnated into dimethyl formamide solution, filtering, washing obtain modified polyurethane；
(4) preparation of flame-retardant thermal insulation material: the modified polyurethane and potassium phenylsulphonyl benzene sulfonate that step (3) is prepared
Mixing, and 1.5h is reacted at 70 DEG C, natural cooling, adjusting pH is 7, is washed, and filtering is dried at room temperature, obtains chemical reaction
Kettle heat insulating material for external.
Embodiment 3
The present embodiment provides a kind of preparation methods of chemical reaction kettle heat insulating material for external, include the following steps:
(1) following raw material raw material preparation: is weighed by mass fraction: to 60 parts of chlorobenzene acetylene, isophorone diisocyanate
25 parts, 50 parts of polyethylene glycol, 25 parts of 2,4,5- trichlorine benzene sulfonic acid sodium salt, 8 parts of 2,2- dihydromethyl propionic acid and Cl2It is 30 parts, spare；
(2) preparation of polyurethane: isophorone diisocyanate and polyethylene glycol are mixed, and 3.75 parts of catalyst are added
After reacting 1h at 85 DEG C, after being cooled to room temperature, 2,2- dihydroxymethyl third is added after mixing in dibutyltindilaurylmercaptide cinnamic acid
Acid, and the reaction was continued at 70 DEG C 12h stop heating, are cooled to room temperature, and filter, and washing obtains polyurethane；
(3) modification of polyurethane: chlorobenzene acetylene will be uniformly mixed with the polyurethane that step (2) is prepared, then 120
3h is reacted at DEG C, is then cooled to room temperature, then in Cl2After reacting 1h under illumination condition in atmosphere, 3 parts of catalyst persulfuric acid are added
Potassium and 4.5 parts of initiator benzoyl peroxides, react 6h at 90 DEG C, are cooled to room temperature, and solution is poured into dimethyl methyl
1h is impregnated in amide solution, is then filtered, is washed, obtains modified polyurethane；
(4) preparation of flame-retardant thermal insulation material: the modified polyurethane and 2,4,5- trichlorine benzene sulfonic acid that step (3) is prepared
Sodium mixing, and 1h is reacted at 80 DEG C, natural cooling is washed after adjusting pH is 7, and filtering is dried at room temperature, it is anti-to obtain chemical industry
Answer kettle heat insulating material for external.
Embodiment 4
It is identical as the preparation method of (1)-step (3) the step of embodiment 2, it the difference is that only, in step (4), In
It joined the chloro- 3,3,3- trifluoro propene foaming agent of 13 parts of anti-form-1s-again while combustion adjuvant is added.
Embodiment 5
It is identical as the preparation method of (1)-step (3) the step of embodiment 2, it the difference is that only, in step (4), In
It joined 8 parts of boron fibre inorganic reinforcements again while combustion adjuvant is added.
Comparative example 1
Commercially available expansion polyphenyl plate in the prior art.
Comparative example 2
Commercially available polyurethane foam material in the prior art.
Comparative example 3
Commercially available mineral wool in the prior art.
The 5 reaction kettle heat insulating material for external of embodiment 1- embodiment for taking the present invention of equivalent to be prepared and 1- pairs of comparative example
The thermal insulation material of ratio 5, and to the thermal insulating material of 5 reaction kettle heat insulating material for external of embodiment 1- embodiment and comparative example 1- comparative example 5
Material has carried out the inspection of thermal coefficient, fire-protection rating, impact strength, 12 hours decline temperatures and 24 hours decline temperatures jointly
It surveys, and is compared, the results are shown in Table 1:
Performance detection:
Impact strength testing standard: the reaction kettle external thermal insulation material applying 5 vegetation of 1- embodiment and obtaining that will be prepared
Material is prepared into batten according to ASTM standard, adjusts for 24 hours under 23 ± 2 DEG C, 50 ± 5 DEG C of moisture conditions, then tests according to D256
Standard tests impact strength.
Fire-protection rating testing standard: embodiment 1 is existing according to country to 55 kinds of reaction kettle heat insulating material for external of gained of embodiment
The requirement of rower quasi- " plastics measure burning behavior part 2 with oxygen index method: room temperature is tested " (GB/T2406.2) carries out performance
Index test.
Determination of conductive coefficients standard: by embodiment 1 to 55 kinds of reaction kettle heat insulating material for external of gained of embodiment according to ASTM-
E1530 Determination of conductive coefficients standard is tested, and is detected using HFM436 thermal conductivity instrument.
The following table 1 is the reaction kettle heat insulating material for external that 5 vegetation of 1- of embodiment of the present invention embodiment obtains and comparative example 1- comparison
The performance test results of 3 thermal insulation material of example, the results are shown in Table 1:
3 thermal insulation material of reaction kettle heat insulating material for external and comparative example 1- comparative example that 1 embodiment 1- embodiment 3 of table is prepared
Performance test results
To sum up, the thermal coefficient for the chemical reaction kettle heat insulating material for external that the embodiment of the present invention 1- embodiment 5 is prepared
The respectively less than thermal insulation material of comparative example 1- comparative example 3 illustrates to protect outside the chemical reaction kettle of embodiment 1- embodiment 5 being prepared
Adiabator has excellent thermal insulation property, and impact strength significantly increases compared with the thermal insulation material of embodiment 1- embodiment 5,
12 and the temperature that declines for 24 hours be also significantly better than the commercially available material of comparative example 1- comparative example 3 so that heat insulation effect be superior to it is commercially available
Expansion polyphenyl plate, polyurethane foam material and glass wool material, and the sample of embodiment 2 is implemented compared with the sample of embodiment 4
The sample of example 4 has been improved in impact strength, illustrates that the addition of foaming agent is played the role of supporting internal void, improves
The mechanical property of thermal insulation material has obvious by the sample of embodiment 2 compared with the sample of embodiment 5 in impact strength
Raising, illustrate to obtain forming and the high thermal insulation material of intensity.
The reaction kettle heat insulating material for external that the present invention is prepared is membrane structure, can be coated on outside reaction kettle and realize guarantor
Temperature.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of chemical reaction kettle heat insulating material for external, which is characterized in that the raw material including following mass fraction: to chlorobenzene acetylene
50-60 parts, 20-25 parts of diisocyanate, 40-50 parts of polyvalent alcohol, 15-25 parts of fire retardant, 5-8 parts of hydrophilic chain extender and can
25-30 parts of auxiliary agent of addition reaction occur with chlorobenzene acetylene.
2. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that further include 10-15 parts of hairs
Infusion, the foaming agent are pentafluoropropane, anti-form-1-one of chloro-3,3,3 ,-trifluoropropene and 3-pentafluorobutane.
3. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that further include 6-10 parts inorganic
Reinforcing material, the inorganic reinforcement are one of quartz glass fibre, boron fibre, basalt fibre, carbon fiber.
4. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that the fire retardant are as follows: benzene
One of sulfonyl benzene sulfonic acid potassium, perfluorobutyl potassium sulfonate and 2,4,5- trichlorine benzene sulfonic acid sodium salt.
5. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that the diisocyanate
Are as follows: toluene di-isocyanate(TDI), hexamethylene diisocyanate, 4,4 '-methyl diphenylene diisocyanates and isophorone two are different
One of cyanate.
6. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that the polyvalent alcohol are as follows:
One of polyethylene glycol, polycaprolactone diols, polytetrahydrofuran ether glycol.
7. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that the hydrophilic chain extender
Are as follows: 2,2- dihydromethyl propionic acid.
8. a kind of chemical reaction kettle heat insulating material for external according to claim 1, which is characterized in that the auxiliary agent is Cl2
Or Br2。
9. a kind of preparation method of chemical reaction kettle heat insulating material for external according to claim 1-8, feature exist
In including the following steps:
(1) following raw material raw material preparation: is weighed by mass fraction: to 50-60 parts of chlorobenzene acetylene, 20-25 parts of diisocyanate, being gathered
40-50 parts of polyalcohol, 15-25 parts of fire retardant, 5-8 parts of hydrophilic chain extender, the auxiliary that addition reaction can occur with chlorobenzene acetylene
It is 25-30 parts of preparation, spare；
(2) preparation of polyurethane: diisocyanate and polyvalent alcohol being mixed, and catalyst dibutyltindilaurylmercaptide cinnamic acid is added,
After mixing, 1-2h is reacted at 75-85 DEG C, after being cooled to room temperature, hydrophilic chain extender is added, and continue instead at 60-70 DEG C
12-24h is answered, stops heating, is cooled to room temperature, is filtered, washing obtains polyurethane；
Wherein, catalyst dibutyltindilaurylmercaptide cinnamic acid additional amount is the 3-5% of diisocyanate and polyvalent alcohol gross mass；
(3) modification of polyurethane: chlorobenzene acetylene will be uniformly mixed with the polyurethane that step (2) is prepared, then in 80-120
React 3-5h at DEG C, then cool to room temperature, then in auxiliary agent atmosphere under illumination condition react 0.5-1h after, addition is urged
Agent potassium peroxydisulfate and initiator benzoyl peroxide, react 6-10h at 60-90 DEG C, are cooled to room temperature, and be poured into diformazan
0.5-1h is impregnated in base formyl amine aqueous solution, filtering, washing obtain modified polyurethane；
Wherein, catalyst potassium peroxydisulfate additional amount is the 2-4% of diisocyanate and polyvalent alcohol gross mass；Initiator peroxidating
The additional amount of benzoyl is the 3-6% of diisocyanate and polyvalent alcohol gross mass；
(4) preparation of flame-retardant thermal insulation material: the modified polyurethane that step (3) is prepared is mixed with combustion adjuvant, and in 60-80
1-2h is reacted at DEG C, natural cooling, adjusting pH is 7, is washed, and filtering is dried at room temperature, obtains chemical reaction kettle external thermal insulation material
Material.
10. a kind of preparation method of chemical reaction kettle heat insulating material for external according to claim 9, which is characterized in that described
It further include 10-15 parts of foaming agents or 6-10 parts of inorganic reinforcements, the foaming agent or described in the raw material that step (1) weighs
Inorganic reinforcement is added in step (4) with the combustion adjuvant jointly.
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| CN201910801725.3A Pending CN110483739A (en) | 2019-08-28 | 2019-08-28 | A kind of chemical reaction kettle heat insulating material for external and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012332A (en) * | 2007-02-09 | 2007-08-08 | 李长玉 | Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method |
| CN101906203A (en) * | 2010-07-12 | 2010-12-08 | 强军锋 | Large-size massive polyurethane rigid foam plastic and preparation method thereof |
| CN104829812A (en) * | 2015-05-06 | 2015-08-12 | 上海交通大学 | Flame-retardant hard polyurethane thermal-insulation foam material and preparation method thereof |
| CN106188463A (en) * | 2016-08-25 | 2016-12-07 | 胡国旺 | The polyurethane resin insulation material of high-hydroscopicity |
| CN106496515A (en) * | 2016-09-28 | 2017-03-15 | 广西吉顺能源科技有限公司 | Spray coating type polyurethane thermal-insulating waterproof heat-insulation integrative material |
| CN107868217A (en) * | 2017-12-11 | 2018-04-03 | 合肥华福土工合成材料有限公司 | A kind of low-density flame retardant polyurethane rigid foam plastics and preparation method thereof |
| CN108724887A (en) * | 2018-04-27 | 2018-11-02 | 安徽索亚装饰材料有限公司 | A kind of the skin carving decorative panel filler and preparation method of sound-absorbing and flame-retardant highly-breathable |
-
2019
- 2019-08-28 CN CN201910801725.3A patent/CN110483739A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012332A (en) * | 2007-02-09 | 2007-08-08 | 李长玉 | Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method |
| CN101906203A (en) * | 2010-07-12 | 2010-12-08 | 强军锋 | Large-size massive polyurethane rigid foam plastic and preparation method thereof |
| CN104829812A (en) * | 2015-05-06 | 2015-08-12 | 上海交通大学 | Flame-retardant hard polyurethane thermal-insulation foam material and preparation method thereof |
| CN106188463A (en) * | 2016-08-25 | 2016-12-07 | 胡国旺 | The polyurethane resin insulation material of high-hydroscopicity |
| CN106496515A (en) * | 2016-09-28 | 2017-03-15 | 广西吉顺能源科技有限公司 | Spray coating type polyurethane thermal-insulating waterproof heat-insulation integrative material |
| CN107868217A (en) * | 2017-12-11 | 2018-04-03 | 合肥华福土工合成材料有限公司 | A kind of low-density flame retardant polyurethane rigid foam plastics and preparation method thereof |
| CN108724887A (en) * | 2018-04-27 | 2018-11-02 | 安徽索亚装饰材料有限公司 | A kind of the skin carving decorative panel filler and preparation method of sound-absorbing and flame-retardant highly-breathable |
Non-Patent Citations (5)
| Title |
|---|
| 信颖等: "《有机化学 供中药学、药学、制药工程等专业用》", 31 January 2017, 华中科技大学出版社 * |
| 刘鹰翔等: "《药物合成反应》", 31 August 2017, 中国中医药出版社 * |
| 李俊贤等: "《塑料工业手册 聚氨酯》", 31 July 1999, 化学工业出版社 * |
| 范才河等: "《粉末冶金电炉及设计》", 31 January 2013, 冶金工业出版社 * |
| 荣国斌等: "《大学有机化学基础》", 31 August 2000, 化学工业出版社 * |
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