CN109705579A - A kind of concrete building template material and preparation method thereof - Google Patents
A kind of concrete building template material and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of preparation method of concrete building template material, include the following steps: (one) 1, the preparation of 1'- diamino fluorophenyl sulfone class intermediate, (2) preparation of condensation polymer, (3) nanometer boron fibre/carbon fibre composite surface modification, the molding of (four) material.The invention also discloses the concrete building template materials being prepared according to the preparation method of the concrete building template material.The advantages of concrete building template material disclosed by the invention has excellent combination property, and dimensional stability and stability are good, weatherability and weather-resistance flame-retardant are excellent, rigid-tough balance is good, reusable and recycling.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of concrete building template material and its preparation sides
Method.
Background technique
The various great foundation engineering scales of the project in current China are unprecedented, and the completion of these great foundation engineering projects will be bound to
One of beautiful scenery of modern city can be become again.With the reinforcement of social progress and awareness of safety, people are more next
These construction qualities are more paid close attention to, and influence these construction qualities is often the construction material closely bound up with these engineerings,
Concrete is exactly one of this kind of construction material, and the performance superiority and inferiority of concrete directly affects the quality of construction engineering quality, therefore, is mentioned
The performance of high concrete is current focus of attention in the industry.
The performance of concrete is also related with its moulding process in addition to being formulated outside the Pass with it, right in building construction process
It is exactly one of necessary moulding process that concrete, which carries out form work engineering, this is to guarantee concrete engineering quality and construction safety, add
Fast construction speed and the requisite measure for reducing engineering cost.Form work engineering be unable to do without mould material, and high-quality mould material is
Guarantee the necessary condition of form work engineering quality, therefore, the excellent concrete building template material of development quality is imperative.
The template used in present construction is generally punching block, wooden model, bamboo mould, plastic formwork.Punching block is although firm, weight
It is multiple often, but it is at high cost, weight is big, breadth is narrow, piece is more, construction transport is inconvenient, easily gets rusty, needs to carry out at anti-corrosion
Reason, and maintenance cost is high；Bamboo and wood template is light-weight, breadth is wide, piece is few, but its intensity is low, non-watertight, and easily mildew is rotted, weight
Multiple access times are few, and consume a large amount of green resources.To solve these problems, it also adopts and template is made of plastic, light weight,
Non-sticky concrete.It is reusable often, but the disadvantage is that rigidity it is bad easily-deformable.There are toughness for direct injection molding template
Deficiency is easy breakage when high altitude operation, and its weather resistance and flame retardant property still need to further increase.
The Chinese invention patent that authorization publication No. is 103665636 B of CN discloses a kind of igelite building mould
Plate, raw material composition include: that PVC, foaming agent, foaming control agent, wetting agent, plasticizer, stabilizer, lubricant, anti-impact click to change
Property agent, processing aid, reinforcing fiber, hollow glass micropearl, hollow ceramic micro mist, titanium dioxide, modified resin, filler etc..This
Kind of mould material in the plastic formwork technology preceding having again before go a step further, but production environment band is given in the use of foaming agent and PVC
Adverse effect is carried out, and the upper and lower wall of template that extrusioning shaping obtains is thicker, than great, in addition, this mould material ingredient is multiple
It is miscellaneous, in the long-term use, it is easy to appear auxiliary agent exosmose, to influence the stability of mould material and use the longevity
Life.
Therefore, it is good that good a kind of excellent combination property, stripping result, smooth surface, size and stability are developed
Concrete building template material accord with the demands of the market, have extensive market value and application prospect.
Summary of the invention
The main purpose of the present invention is to provide a kind of concrete building template material, the concrete building template materials gram
Having taken concrete building template material in the prior art, more or less existing preparation process is complicated, and preparation cost is higher, weight
Amount is big, and construction transport is inconvenient, and non-watertight, easily mildew is rotted, and stripping result is bad, and toughness is insufficient, weatherability and poor heat resistance
The technical issues of, there is excellent combination property, dimensional stability and stability are good, weatherability and weather-resistance flame-retardant are excellent,
The advantages of rigid-tough balance is good, reusable and recycling.
To achieve the above objectives, the present invention provides a kind of preparation method of concrete building template material, including walks as follows
It is rapid:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci), catalysis
Agent, which is dissolved in dimethyl sulfoxide, forms solution, then bis- (ethylene that mass fraction is 50% are added dropwise while stirring at 85-95 DEG C
Sulfuryl) methane dimethyl sulfoxide solution, dripped off in 3-4 hours, then proceed to constant temperature and be stirred to react 10-12 hours, reaction terminates
Solvent and unreacted reactant is evaporated off in back spin, obtains 1,1'- diamino fluorophenyl sulfone class intermediate；
The preparation of II condensation polymer: 1,1'- diamino fluorophenyl sulfone class intermediate, the 4,4- that will be prepared by step I
Stilbenedicarboxylicacid acid, polymerization inhibitor, N, N- diisopropylethylamine, 4-dimethylaminopyridine be dissolved in high boiling solvent formed it is molten
Liquid, then solution is added in reaction kettle, with air in nitrogen or inert gas replacement kettle, 115-130 DEG C of reaction 4-6 is small under normal pressure
When, then be warming up to 230-240 DEG C, carried out polycondensation reaction 20-24 hours at 500Pa, after be cooled to room temperature, be adjusted to normal pressure,
It is precipitated in water, after the polymer of precipitation ethanol washing 3-5 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: after mixing by nanometer boron fibre, carbon fiber, point
It dissipates in organic solvent, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto, in 60-
It is stirred to react at 80 DEG C 6-8 hours, solvent is evaporated off in back spin, obtains nanometer boron fibre/carbon fibre composite of surface modification；
IV material molding: by the condensation polymer being prepared by step II, the surface modification being prepared by step III
Nanometer boron fibre/carbon fibre composite, initiator, that high speed is added after weighing in 9- fluorenyl methyl 1- Benzotriazole carbonate is mixed
It is uniformly mixed in conjunction machine, mixed material is sent into extrusion molding in double screw extruder by the feeder of delicate metering, then passes through
Air-cooled, dry and packaging, obtains the concrete building template material.
Preferably, the difluoro of 2- amino -3,5- described in step I benzenethiol (9ci), catalyst, dimethyl sulfoxide, bis- (ethylene
Sulfuryl) methane dimethyl sulfoxide solution mass ratio be 1:(0.3-0.5): (3-5): 3.5.
Preferably, the catalyst in n-propylamine, diethylamide, 3,5-dimethylphenyl phosphorus, tetrabutylammonium bromide one
Kind is several.
Preferably, the fluorophenyl of 1,1'- diamino described in step II sulfone class intermediate, 4,4- stilbenedicarboxylicacid acid, resistance
Poly- agent, N, N- diisopropylethylamine, 4-dimethylaminopyridine, high boiling solvent mass ratio be 1.93:1:(0.1-0.3):
(0.4-0.6):0.3:(25-30)。
Preferably, the polymerization inhibitor is selected from tetrachloroquinone, l, at least one of 4- naphthoquinones.
Preferably, the high boiling solvent is in dimethyl sulfoxide, n,N-Dimethylformamide, N-Methyl pyrrolidone
It is one or more of.
Preferably, the inert gas is selected from one of helium, neon, argon gas.
Preferably, nanometer boron fibre described in step III, carbon fiber, organic solvent, 1- [3- (triethoxysilicane alkyl) third
Base] -1H- pyrrole-2,5-diones mass ratio be 1:1:(10-15): 0.2.
Preferably, the organic solvent is selected from one or more of acetonitrile, acetone, ethyl alcohol.
Preferably, condensation polymer described in step IV, nanometer boron fibre/carbon fibre composite of surface modification, initiator,
The mass ratio of 9- fluorenyl methyl 1- Benzotriazole carbonate is 1:(0.1-0.2): (0.01-0.03): (0.03-0.05).
Preferably, the initiator is selected from one or both of azodiisobutyronitrile, azobisisoheptonitrile.
Preferably, the extrusion molding molding technique is as follows: heating temperature is 210-220 DEG C, and head extrusion temperature is
230-240 DEG C, extruder driving screw revolving speed 140-150r/min, feed revolving speed 200-210r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Due to the application of the above technical scheme, the invention has the following advantages:
(1) concrete building template material disclosed by the invention, preparation method is simple, and raw material is easy to get, preparation cost
Cheap, small to device dependence, reaction condition is mild, practical, is suitble to large-scale production.
(2) concrete building template material disclosed by the invention overcomes concrete building template material in the prior art
More or less existing preparation process is complicated for material, and preparation cost is higher, and weight is big, and construction transport is inconvenient, non-watertight, easily goes mouldy
The technical issues of rotten, stripping result is bad, and toughness is insufficient, weatherability and poor heat resistance, has excellent combination property, and size is steady
It is qualitative and stability is good, weatherability and weather-resistance flame-retardant are excellent, rigid-tough balance is good, it is reusable and recycling excellent
Point.
(3) concrete building template material disclosed by the invention introduces fluorobenzene, bis sulfone structure, favorably on molecular backbone
In the mechanical mechanics property, weatherability and the stability that improve material；In addition bis sulfone structure and nitrogen, sulphur, fluorine etc. act synergistically, and improve
The high temperature resistant and anti-flammability of material；Molecular backbone first introduces double bond structure, after crosslinking curing at the time of molding, form three-dimensional network
Structure is conducive to the comprehensive performance for improving material；Nanometer boron fibre/carbon fibre composite of addition surface modification improves material
The intensity of material is filled with material internal abscess, collapsing for inner cell is effectively prevented, so as to improve concrete building template
Dimensional stability；1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone structure is introduced by surface modification, is
Crosslinking provides reaction site when molding, in addition it can improve the dispersibility of nano material and compatible between macromolecular material
Property.
(4) concrete building template material disclosed by the invention adds 9- fluorenyl methyl 1- Benzotriazole carbonate, and big
Molecular material compatibility is good, plays the role of toughening, improves anti-flammability and anti-ultraviolet ageing, each structure and ingredient synergistic effect,
So that concrete building material comprehensive performance is more excellent.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
Raw material used in the embodiment of the present invention is purchased from Mo Bei (Shanghai) Biotechnology Co., Ltd.
Embodiment 1
A kind of preparation method of concrete building template material, includes the following steps:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci) 100g,
N-propylamine 30g, which is dissolved in dimethyl sulfoxide 300g, forms solution, then it is 50% that mass fraction is added dropwise while stirring at 85 DEG C
Bis- (ethylene sulfuryl) methane dimethyl sulfoxide solution 350g, dripped off in 3 hours, then proceed to constant temperature and be stirred to react 10 hours,
Revolving removes solvent and unreacted reactant after reaction, obtains 1,1'- diamino fluorophenyl sulfone class intermediate；
The preparation of II condensation polymer: by the 1,1'- diamino fluorophenyl sulfone class intermediate 193g being prepared by step I,
4,4- stilbenedicarboxylicacid acid 100g, tetrachloroquinone 10g, N, N- diisopropylethylamine 40g, 4-dimethylaminopyridine 30g are dissolved in
Solution is formed in dimethyl sulfoxide 2500g, then solution is added in reaction kettle, and with air in nitrogen displacement kettle, lower 115 DEG C of normal pressure anti-
Answer 4 hours, then be warming up to 230 DEG C, carried out polycondensation reaction 20 hours at 500Pa, after be cooled to room temperature, normal pressure is adjusted to, in water
Middle precipitation, by the polymer of precipitation with after ethanol washing 3 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: nanometer boron fibre 10g, carbon fiber 10g are uniformly mixed
Afterwards, it is scattered in acetonitrile 100g, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto
2g is stirred to react 6 hours at 60 DEG C, and solvent is evaporated off in back spin, obtains nanometer boron fibre/carbon fiber composite of surface modification
Material；
IV material molding: by the condensation polymer 100g being prepared by step II, the surface being prepared by step III
Nanometer boron fibre/carbon fibre composite 10g of modification, azodiisobutyronitrile 1g, 9- fluorenyl methyl 1- Benzotriazole carbonate
3g is added in high-speed mixer and is uniformly mixed, and mixed material is sent into double screw extruder by the feeder of delicate metering and is squeezed
It forms out, then through air-cooled, dry and packaging, obtains the concrete building template material.
The extrusion molding molding technique is as follows: heating temperature is 210 DEG C, and head extrusion temperature is 230 DEG C, squeezes out owner
Screw speed 140r/min, feed revolving speed 200r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Embodiment 2
A kind of preparation method of concrete building template material, includes the following steps:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci) 100g,
Diethylamide 35g, which is dissolved in dimethyl sulfoxide 350g, forms solution, then mass fraction is added dropwise while stirring at 87 DEG C and is
It is dripped off in dimethyl sulfoxide solution 350g, 3-4 hours of 50% bis- (ethylene sulfuryl) methane, then proceedes to constant temperature and be stirred to react
10-12 hours, revolving removed solvent and unreacted reactant after reaction, obtained in 1,1'- diamino fluorophenyl sulfone class
Mesosome；
The preparation of II condensation polymer: by the 1,1'- diamino fluorophenyl sulfone class intermediate 193g being prepared by step I,
4,4- stilbenedicarboxylicacid acid 100g, l, 4- naphthoquinones 15g, N, N- diisopropylethylamine 45g, 4-dimethylaminopyridine 30g are dissolved in
Solution is formed in n,N-Dimethylformamide 2650g, then solution is added in reaction kettle, with air in helium replacement kettle, normal pressure
Lower 118 DEG C are reacted 4.5 hours, then are warming up to 232 DEG C, are carried out polycondensation reaction 21 hours at 500Pa, after be cooled to room temperature, tune
It to normal pressure, is precipitated in water, by the polymer of precipitation with after ethanol washing 4 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: nanometer boron fibre 10g, carbon fiber 10g are uniformly mixed
Afterwards, it is scattered in acetone 115g, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto
2g is stirred to react 6.5 hours at 65 DEG C, and solvent is evaporated off in back spin, and the nanometer boron fibre/carbon fiber for obtaining surface modification is compound
Material；
IV material molding: by the condensation polymer 100g being prepared by step II, the surface being prepared by step III
Nanometer boron fibre/carbon fibre composite 13g, azobisisoheptonitrile 1.5g, the 9- fluorenyl methyl 1- benzotriazole carbonic acid of modification
Ester 3.5g is added in high-speed mixer and is uniformly mixed, and mixed material is sent into double screw extruder by the feeder of delicate metering
Middle extrusion molding, then through air-cooled, dry and packaging, obtain the concrete building template material.
The extrusion molding molding technique is as follows: heating temperature is 213 DEG C, and head extrusion temperature is 233 DEG C, squeezes out owner
Screw speed 143r/min, feed revolving speed 203r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Embodiment 3
A kind of preparation method of concrete building template material, includes the following steps:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci) 100g,
3,5-dimethylphenyl phosphorus 40g, which is dissolved in dimethyl sulfoxide 400g, forms solution, then mass fraction is added dropwise while stirring at 88 DEG C
For the dimethyl sulfoxide solution 350g of 50% bis- (ethylene sulfuryl) methane, is dripped off in 3.6 hours, then proceed to constant temperature and be stirred to react
11 hours, revolving removed solvent and unreacted reactant after reaction, obtained among 1,1'- diamino fluorophenyl sulfone class
Body；
The preparation of II condensation polymer: by the 1,1'- diamino fluorophenyl sulfone class intermediate 193g being prepared by step I,
4,4- stilbenedicarboxylicacid acid 100g, tetrachloroquinone 20g, N, N- diisopropylethylamine 50g, 4-dimethylaminopyridine 30g are dissolved in
It forms solution in N-Methyl pyrrolidone 2700g, then solution is added in reaction kettle, with air in neon displacement kettle, under normal pressure
122 DEG C are reacted 5 hours, then are warming up to 236 DEG C, are carried out polycondensation reaction 22.5 hours at 500Pa, after be cooled to room temperature, be adjusted to
Normal pressure is precipitated in water, and by the polymer of precipitation with after ethanol washing 5 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: nanometer boron fibre 10g, carbon fiber 10g are uniformly mixed
Afterwards, it is scattered in ethyl alcohol 130g, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto
2g is stirred to react 7 hours at 70 DEG C, and solvent is evaporated off in back spin, obtains nanometer boron fibre/carbon fiber composite of surface modification
Material；
IV material molding: by the condensation polymer 100g being prepared by step II, the surface being prepared by step III
Nanometer boron fibre/carbon fibre composite 15g of modification, azodiisobutyronitrile 2g, 9- fluorenyl methyl 1- Benzotriazole carbonate
4g is added in high-speed mixer and is uniformly mixed, and mixed material is sent into double screw extruder by the feeder of delicate metering and is squeezed
It forms out, then through air-cooled, dry and packaging, obtains the concrete building template material.
The extrusion molding molding technique is as follows: heating temperature is 216 DEG C, and head extrusion temperature is 236 DEG C, squeezes out owner
Screw speed 146r/min, feed revolving speed 206r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Embodiment 4
A kind of preparation method of concrete building template material, includes the following steps:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci) 100g,
Catalyst 45g, which is dissolved in dimethyl sulfoxide 450g, forms solution, then it is 50% that mass fraction is added dropwise while stirring at 93 DEG C
Bis- (ethylene sulfuryl) methane dimethyl sulfoxide solution 350g, dripped off in 3.8 hours, then proceeding to constant temperature, to be stirred to react 11.5 small
When, revolving removes solvent and unreacted reactant after reaction, obtains 1,1'- diamino fluorophenyl sulfone class intermediate；Institute
Stating catalyst is that n-propylamine, diethylamide, 3,5-dimethylphenyl phosphorus, tetrabutylammonium bromide 1:3:1:2 in mass ratio are mixed
Mixture；
The preparation of II condensation polymer: by the 1,1'- diamino fluorophenyl sulfone class intermediate 193g being prepared by step I,
4,4- stilbenedicarboxylicacid acid 100g, polymerization inhibitor 25g, N, N- diisopropylethylamine 55g, 4-dimethylaminopyridine 30g are dissolved in height
Solution is formed in boiling point solvent 2900g, then solution is added in reaction kettle, and with air in argon gas displacement kettle, lower 128 DEG C of normal pressure anti-
Answer 5.5 hours, then be warming up to 238 DEG C, carried out polycondensation reaction 23 hours at 500Pa, after be cooled to room temperature, be adjusted to normal pressure,
It is precipitated in water, by the polymer of precipitation with after ethanol washing 4 times, revolving removes ethyl alcohol and obtains condensation polymer；The polymerization inhibitor is four
Chloranil, l, the mixture that 4- naphthoquinones 3:5 in mass ratio is mixed；The high boiling solvent is dimethyl sulfoxide, N, N- diformazan
The mixture that base formamide, N-Methyl pyrrolidone 2:3:1 in mass ratio are mixed；
III nanometer of boron fibre/carbon fibre composite surface modification: nanometer boron fibre 10g, carbon fiber 10g are uniformly mixed
Afterwards, it is scattered in organic solvent 145g, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- bis- is added thereto
Ketone 2g is stirred to react 7.8 hours at 78 DEG C, and solvent is evaporated off in back spin, and the nanometer boron fibre/carbon fiber for obtaining surface modification is multiple
Condensation material；The organic solvent is the mixture that acetonitrile, acetone, ethyl alcohol 1:3:2 in mass ratio are mixed；
IV material molding: by the condensation polymer 100g being prepared by step II, the surface being prepared by step III
Nanometer boron fibre/carbon fibre composite 18g, initiator 2.8g, 9- fluorenyl methyl 1- Benzotriazole carbonate 4.8g of modification
It is added in high-speed mixer and is uniformly mixed, mixed material is sent into double screw extruder by the feeder of delicate metering and is squeezed out
Molding, then through air-cooled, dry and packaging, obtain the concrete building template material.The initiator be azodiisobutyronitrile,
The mixture that azobisisoheptonitrile 2:1 in mass ratio is mixed.
The extrusion molding molding technique is as follows: heating temperature is 219 DEG C, and head extrusion temperature is 238 DEG C, squeezes out owner
Screw speed 148r/min, feed revolving speed 210r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Embodiment 5
A kind of preparation method of concrete building template material, includes the following steps:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: by 2- amino -3,5- difluoro benzenethiol (9ci) 100g,
Tetrabutylammonium bromide 50g, which is dissolved in dimethyl sulfoxide 500g, forms solution, then mass fraction is added dropwise while stirring at 95 DEG C
For the dimethyl sulfoxide solution 350g of 50% bis- (ethylene sulfuryl) methane, is dripped off in 4 hours, then proceed to constant temperature and be stirred to react 12
Hour, revolving removes solvent and unreacted reactant after reaction, obtains 1,1'- diamino fluorophenyl sulfone class intermediate；
The preparation of II condensation polymer: by the 1,1'- diamino fluorophenyl sulfone class intermediate 193g being prepared by step I,
4,4- stilbenedicarboxylicacid acid 100g, l, 4- naphthoquinones 30g, N, N- diisopropylethylamine 60g, 4-dimethylaminopyridine 30g are dissolved in
Solution is formed in n,N-Dimethylformamide 3000g, then solution is added in reaction kettle, with air in nitrogen displacement kettle, normal pressure
Lower 130 DEG C are reacted 6 hours, then are warming up to 240 DEG C, are carried out polycondensation reaction 24 hours at 500Pa, after be cooled to room temperature, be adjusted to
Normal pressure is precipitated in water, and by the polymer of precipitation with after ethanol washing 5 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: nanometer boron fibre 10g, carbon fiber 10g are uniformly mixed
Afterwards, it is scattered in acetonitrile 150g, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto
2g is stirred to react 8 hours at 80 DEG C, and solvent is evaporated off in back spin, obtains nanometer boron fibre/carbon fiber composite of surface modification
Material；
IV material molding: by the condensation polymer 100g being prepared by step II, the surface being prepared by step III
Nanometer boron fibre/carbon fibre composite 20g of modification, azobisisoheptonitrile 3g, 9- fluorenyl methyl 1- Benzotriazole carbonate
5g is added in high-speed mixer and is uniformly mixed, and mixed material is sent into double screw extruder by the feeder of delicate metering and is squeezed
It forms out, then through air-cooled, dry and packaging, obtains the concrete building template material.
The extrusion molding molding technique is as follows: heating temperature is 220 DEG C, and head extrusion temperature is 240 DEG C, squeezes out owner
Screw speed 150r/min, feed revolving speed 210r/min.
A kind of concrete building template material is prepared using the preparation method of above-mentioned concrete building template material.
Comparative example
Commercially available plastic building template, main become is PVC, is purchased from Fujian company.
Mould material sample described in embodiment 1-5 and comparative example is tested for the property, test result and test method are shown in
Table 1.
Table 1
| Project | Anti- UV aging | Tensile strength | Bending strength | Izod notched impact strength | Limit oxygen index |
| Unit | KJ/m2 | MPa | MPa | KJ/m2 | % |
| Detection method | SAEJ1344 | GB/T1040 | GB/T9341 | GB/T1843 | GB/T2406-1993 |
| Embodiment 1 | 2750 | 90 | 80 | 35 | 28 |
| Embodiment 2 | 2760 | 92 | 82 | 37 | 29 |
| Embodiment 3 | 2780 | 95 | 84 | 38 | 31 |
| Embodiment 4 | 2800 | 97 | 85 | 39 | 34 |
| Embodiment 5 | 2830 | 99 | 87 | 40 | 35 |
| Comparative example | 1800 | 40 | 55 | 28 | 23 |
As seen from Table 1, concrete building template material disclosed by the embodiments of the present invention, with commercially available building template material phase
Than having more excellent mechanical property, anti-ultraviolet ageing and anti-flammability.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of preparation method of concrete building template material, which comprises the steps of:
The preparation of I 1,1'- diamino fluorophenyl sulfone class intermediate: 2- amino -3,5- difluoro benzenethiol (9ci), catalyst is molten
Solution is formed in dimethyl sulfoxide, then bis- (vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan)s that mass fraction is 50% are added dropwise while stirring at 85-95 DEG C
Base) methane dimethyl sulfoxide solution, dripped off in 3-4 hours, then proceed to constant temperature and be stirred to react 10-12 hours, after reaction
Revolving removes solvent and unreacted reactant, obtains 1,1'- diamino fluorophenyl sulfone class intermediate；
The preparation of II condensation polymer: 1,1'- diamino fluorophenyl sulfone class intermediate, the 4,4- hexichol that will be prepared by step I
Ethylene dicarboxylic acid, polymerization inhibitor, n,N-diisopropylethylamine, 4-dimethylaminopyridine, which are dissolved in high boiling solvent, forms solution, then
Solution is added in reaction kettle, with air in nitrogen or inert gas replacement kettle, 115-130 DEG C reaction 4-6 hours under normal pressure, then
Be warming up to 230-240 DEG C, carried out polycondensation reaction 20-24 hours at 500Pa, after be cooled to room temperature, be adjusted to normal pressure, analyse in water
Out, by after the polymer of precipitation ethanol washing 3-5 times, revolving removes ethyl alcohol and obtains condensation polymer；
III nanometer of boron fibre/carbon fibre composite surface modification: it after mixing by nanometer boron fibre, carbon fiber, is scattered in
In organic solvent, then 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrroles -2,5- diketone is added thereto, at 60-80 DEG C
Under be stirred to react 6-8 hours, solvent is evaporated off in back spin, obtains nanometer boron fibre/carbon fibre composite of surface modification；
IV material molding: the condensation polymer being prepared by step II, the surface modification being prepared by step III are received
High-speed mixer is added after weighing in rice boron fibre/carbon fibre composite, initiator, 9- fluorenyl methyl 1- Benzotriazole carbonate
In be uniformly mixed, mixed material by delicate metering feeder be sent into double screw extruder in extrusion molding, then through it is air-cooled,
Dry and packaging, obtains the concrete building template material.
2. the preparation method of concrete building template material according to claim 1, which is characterized in that described in step I
2- amino -3,5- difluoro benzenethiol (9ci), catalyst, dimethyl sulfoxide, bis- (ethylene sulfuryl) methane dimethyl sulfoxide solution matter
Amount is than being 1:(0.3-0.5): (3-5): 3.5.
3. the preparation method of concrete building template material according to claim 1, which is characterized in that the catalyst choosing
From one or more of n-propylamine, diethylamide, 3,5-dimethylphenyl phosphorus, tetrabutylammonium bromide.
4. the preparation method of concrete building template material according to claim 1, which is characterized in that described in step II
1,1'- diamino fluorophenyl sulfone class intermediate, 4,4- stilbenedicarboxylicacid acid, polymerization inhibitor, N, N- diisopropylethylamine, 4- diformazan
Aminopyridine, high boiling solvent mass ratio be 1.93:1:(0.1-0.3): (0.4-0.6): 0.3:(25-30).
5. the preparation method of concrete building template material according to claim 1, which is characterized in that the polymerization inhibitor choosing
From tetrachloroquinone, l, at least one of 4- naphthoquinones；The high boiling solvent be selected from dimethyl sulfoxide, N,N-dimethylformamide,
One or more of N-Methyl pyrrolidone；The inert gas is selected from one of helium, neon, argon gas.
6. the preparation method of concrete building template material according to claim 1, which is characterized in that described in step III
The quality of nanometer boron fibre, carbon fiber, organic solvent, 1- [3- (triethoxysilicane alkyl) propyl] -1H- pyrrole-2,5-diones
Than being 1:1:(10-15): 0.2；The organic solvent is selected from one or more of acetonitrile, acetone, ethyl alcohol.
7. the preparation method of concrete building template material according to claim 1, which is characterized in that described in step IV
Condensation polymer, nanometer boron fibre/carbon fibre composite of surface modification, initiator, 9- fluorenyl methyl 1- Benzotriazole carbonate
Mass ratio be 1:(0.1-0.2): (0.01-0.03): (0.03-0.05).
8. the preparation method of concrete building template material according to claim 1, which is characterized in that the initiator choosing
From one or both of azodiisobutyronitrile, azobisisoheptonitrile.
9. the preparation method of concrete building template material according to claim 1, which is characterized in that the extrusion molding
Moulding process is as follows: heating temperature is 210-220 DEG C, and head extrusion temperature is 230-240 DEG C, extruder driving screw revolving speed 140-
150r/min, feed revolving speed 200-210r/min.
10. a kind of preparation method using any one of the claim 1-9 concrete building template material is prepared mixed
Solidifying civil engineering building mould material.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110283463A (en) * | 2019-05-29 | 2019-09-27 | 周宁东 | A kind of environment-friendly cable material and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842649A (en) * | 1981-09-08 | 1983-03-12 | Toray Ind Inc | Aromatic polyamide film |
| JPH05170900A (en) * | 1991-12-20 | 1993-07-09 | Mitsui Toatsu Chem Inc | Aromatic polyamide resin and resin composition thereof |
| US20020099117A1 (en) * | 2000-11-30 | 2002-07-25 | Kie-Youn Jeong | Polyamide resin composition |
| CN101218286A (en) * | 2005-07-13 | 2008-07-09 | 三菱丽阳株式会社 | Prepreg |
| WO2012158250A1 (en) * | 2011-05-13 | 2012-11-22 | Amyris, Inc. | Plasticizers |
| CN104846468A (en) * | 2014-02-14 | 2015-08-19 | 上海特安纶纤维有限公司 | Fiber, yarn, fabric and product prepared from sulfonyl-containing aromatic polymer and preparation method thereof |
| CN105331081A (en) * | 2015-11-30 | 2016-02-17 | 江门市优巨新材料有限公司 | Preparation method of high-performance modified polyethersulfone resin |
| CN108707305A (en) * | 2018-06-01 | 2018-10-26 | 山东冬瑞高新技术开发有限公司 | A kind of building template material and preparation method thereof |
-
2018
- 2018-12-25 CN CN201811588654.5A patent/CN109705579A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842649A (en) * | 1981-09-08 | 1983-03-12 | Toray Ind Inc | Aromatic polyamide film |
| JPH05170900A (en) * | 1991-12-20 | 1993-07-09 | Mitsui Toatsu Chem Inc | Aromatic polyamide resin and resin composition thereof |
| US20020099117A1 (en) * | 2000-11-30 | 2002-07-25 | Kie-Youn Jeong | Polyamide resin composition |
| CN101218286A (en) * | 2005-07-13 | 2008-07-09 | 三菱丽阳株式会社 | Prepreg |
| WO2012158250A1 (en) * | 2011-05-13 | 2012-11-22 | Amyris, Inc. | Plasticizers |
| CN104846468A (en) * | 2014-02-14 | 2015-08-19 | 上海特安纶纤维有限公司 | Fiber, yarn, fabric and product prepared from sulfonyl-containing aromatic polymer and preparation method thereof |
| CN105331081A (en) * | 2015-11-30 | 2016-02-17 | 江门市优巨新材料有限公司 | Preparation method of high-performance modified polyethersulfone resin |
| CN108707305A (en) * | 2018-06-01 | 2018-10-26 | 山东冬瑞高新技术开发有限公司 | A kind of building template material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 何敬言 等: "《有机化学习题及解法》", 31 October 1984, 黑龙江科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283463A (en) * | 2019-05-29 | 2019-09-27 | 周宁东 | A kind of environment-friendly cable material and preparation method thereof |
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