CN109233194A - A kind of preparation method of high-strength waterproof plate - Google Patents
A kind of preparation method of high-strength waterproof plate Download PDFInfo
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- CN109233194A CN109233194A CN201811104225.6A CN201811104225A CN109233194A CN 109233194 A CN109233194 A CN 109233194A CN 201811104225 A CN201811104225 A CN 201811104225A CN 109233194 A CN109233194 A CN 109233194A
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- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
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Abstract
The present invention relates to a kind of preparation methods of high-strength waterproof plate, belong to decorative materials technology.Wheat stalk is placed in hydrochloric acid by the present invention with wheat leaf to be impregnated, and the plant fiber in stalk and wheat leaf is isolated, and the ingredients such as cellulose, potassium permanganate oxidation, which is added, makes the hydroxyl oxygen metaplasia in plant fiber at carboxyl, enhances the waterproof performance of splash guard；The present invention mixes cornstarch with modified plant fibers, amylolytic enzyme, which is added, makes the high glycan in plant fiber, polysaccharide and cornstarch resolve into glucose and other polysaccharide components, the hydroxyl with plant fiber itself is then reacted with maleic anhydride in the environment of the concentrated sulfuric acid, and the hydroxy combining having in absorption glucose generates ester group, the addition of glucose is conducive to the reinforcement of degree of absorption between fiber simultaneously, glucose and plant fiber charing and the coated silica on charring layer, to improve the mechanical strength and waterproof performance of splash guard, it has broad application prospects.
Description
Technical field
The present invention relates to a kind of preparation methods of high-strength waterproof plate, belong to decorative materials technology.
Background technique
Splash guard is can both to prevent liquid from seeping using high molecular polymer as a kind of impervious material made of base stock
Leakage, can also prevent gaseous volatilization.The extensive utilization in building, traffic, subway, tunnel, engineering construction.Splash guard is called geotechnique
Film, traditionally the geomembrane of>0.8mm thickness splash guard,<0.8mm's is geomembrane, and it is basic that it, which is with high molecular polymer,
A kind of impervious material made of raw material, is divided into homogeneous splash guard and compound water-proof.
Splash guard major function is the leakage for preventing liquid and the volatilization of gas, effect master of the splash guard in rock engineering
Isolation is blended to be anti-, but also function to the effect of reinforcement and protection simultaneously.It is mainly used in: earth and rockfill dam, rock-fill dams, stone-laying
The antiseepage of the engineerings such as dam, concrete dam, tailing dam, sewage reservoir dam, channel, liquid storage pool, subway, basement and tunnel antiseepage lining
It builds, the antiseepage of road and rail ground, the earth working materials such as tie filament geotextiles, bentonite waterproof blanket make in sanitary garbage landfill yard
With etc..
It is well known that being needed to interior decoration while in view of the beauty and effect after finishing.And with the development of society
With the raising of living standards of the people, people to house indoor fit up and furniture aesthetics and it is functional require it is higher and higher,
Wherein, the beauty on indoor wallboard and floor surface dress most important for entire interior decoration effect, and being used during this
The decorating feature of exterior material then not only determines the aesthetic measure of furniture, imitates for entirely placing the decoration of indoor environment of furniture
Fruit also has important influence.Water-proof sheet material disclosed in the prior art is mostly to overlay or coat waterproof material on the two sides of plate
Material, and be always blind spot for the processing of plate side, it is mostly to be applied at the edge of water-proof sheet material in existing published scheme
It is cured or stick on edge sealing to reach waterproof effect, it can only guarantee the waterproof effect of plate surface in this way, when the waterproof material on surface
When being damaged, inner substrate plate is phenomena such as will appear immersion, expansion, to directly result in whole plate and be not available.It is anti-at present
There is also the defects that mechanical strength difference causes splash guard impact resistance, wearability bad for water plate.
Therefore, inventing a kind of high-strength waterproof plate has positive effect to decorative materials technology.
Summary of the invention
The technical problems to be solved by the invention: for current splash guard mechanical strength difference cause splash guard impact resistance,
Wearability is bad, while being directed to the insufficient defect of splash guard waterproof effect, provides a kind of preparation method of high-strength waterproof plate.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of preparation method of high-strength waterproof plate, it is characterised in that specific preparation step are as follows:
(1) by etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
It is dry in baking oven, the crushed material after drying is placed in a beaker, with salt acid dip, places the beaker and is vibrated in sonic oscillation instrument,
Filter residue is obtained by filtration after oscillation, wash with distilled water filter residue 3~5 times；
(2) it will be uniformly mixed in the filter residue and dehydrated alcohol investment beaker after above-mentioned cleaning and solidliquid mixture be made, into beaker
The acetic acid solution of solidliquid mixture quality 30~40% is added, is mixed with blender and acid reaction liquid is made, adds into beaker
The potassium permanganate powder for entering acid reaction liquid quality 5~8%, places the beaker in water-bath after mixing, and heated at constant temperature is made
Oxidation liquid；
(3) the iron chloride crystal powder of oxidation liquid quality 5~10% is added into above-mentioned beaker, places the beaker ultrasonic vibration
It swings in instrument, 2~3h is vibrated under conditions of frequency of oscillation is 30~35kHz, iron chloride crystal powder is added after oscillation into beaker
The copper powder of the quality such as end is mixed 30~40min using blender with the revolving speed of 400~500r/min and mixed liquor is made；
(4) according to parts by weight, 50~53 portions of above-mentioned mixed liquors are weighed, 10~12 parts of cornstarch and 0.3~0.8 part of saliva are formed sediment
Powder enzyme puts into fermenter uniformly mixed, and fermentor is placed in a greenhouse constant temperature and is stood, is mixed after standing and is made with blender
Obtain enzymolysis product；
(5) sulfuric acid solution for being 80~90% by 7~9 parts of above-mentioned enzymolysis products, 2~4 parts of maleic anhydrides and 3~5 parts of mass fractions
It puts into beaker, magnetic force ball and being put into water-bath is added and is mixed, is placed the beaker after stirring dense in vacuum oven
Contracting is until reaction gel is made in product constant weight in beaker；
(6) 7~9 parts of above-mentioned reaction gels, 2~3 parts of tetraethyl orthosilicates and 30~35 parts of dehydrated alcohols are put into reaction kettles,
Prefabricated reaction solution is made with blender mixing, the deionized water of 3~5 times of prefabricated reaction solution quality is added into reaction kettle,
30~40min is stood after mixing, modified filter residue is obtained by filtration after standing, modified filter residue is placed in Muffle furnace, in argon gas
Under protection, increases in-furnace temperature high temperature sintering and calcined product is made；
(7) according to parts by weight, weigh 7~9 parts of above-mentioned calcined products, 2~3 parts of 2,6- three-level butyl -4- methylphenols, 20~
It is mixed in 23 parts of phenolic resin and 1~2 part of odium stearate investment reaction kettle, is suppressed in discharging investment hot press while hot, from
Right cooling discharging is up to high-strength waterproof plate.
Temperature in baking oven as described in step (1) is 70~80 DEG C, and drying time is 30~40min, the quality of hydrochloric acid
Score is 8~12%, and the frequency of oscillation in sonic oscillation instrument is 30~35kHz, and duration of oscillation is 6~8h.
The mass fraction of acetic acid solution described in step (2) is 60~70%, is mixed with blender and is made acid anti-
Liquid is answered, the bath temperature in water-bath is 60~70 DEG C, and the heated at constant temperature time is 2~3h.
Frequency of oscillation in sonic oscillation instrument described in step (3) is 30~35kHz, and duration of oscillation is 2~3h, stirring
The revolving speed of device is 400~500r/min, and mixing time is 30~40min.
Temperature in greenhouse described in step (4) is 30~35 DEG C, and constant temperature time of repose is 2~3h, and blender turns
Speed is 500~550r/min, and mixing time is 40~50min.
The mass fraction of sulfuric acid solution described in step (5) is 80~90%, and speed of agitator is 300~350r/min, water
Bath temperature is 60~70 DEG C, and mixing time is 60~80min, and the temperature in vacuum oven is 60~70 DEG C, vacuum degree
For 30~50Pa.
The revolving speed of blender in reaction kettle described in step (6) is 500~600r/min, mixing time 35
~40min, temperature is increased to 180~190 DEG C in Muffle furnace, and the high temperature sintering time is 40~50min.
Temperature in reaction kettle described in step (7) is 80~90 DEG C, speed of agitator is 400~450r/min, mixing
Mixing time is 35~40min, and the temperature in hot press is 80~90 DEG C, and pressure is 15~18MPa, the pressing time is 20~
30min。
The method have the benefit that:
(1) wheat stalk is mixed to be placed in hydrochloric acid by the present invention with wheat leaf first impregnates, and filter residue is obtained by filtration after immersion, will filter
Slag, by potassium permanganate oxidation, adds iron chloride oscillation mixing in acetic acid solution after oxidation, copper sulphate reaction system is then added
Mixed liquor is obtained, then mixes mixed liquor with cornstarch, enzymatic hydrolysis generates enzymolysis product under the action of amylolytic enzyme, then will
Reaction gel is made in enzymolysis product and glycerol hybrid reaction, and reaction gel is mixed with tetraethyl orthosilicate, is added and goes after mixing
Ionized water reaction, is obtained by filtration modified filter residue, finally mixes modified filter residue, resin and other reagent high temperature, throws after mixing
Entering hot pressing in hot press, high-strength waterproof plate is made after cooling, wheat stalk is placed in hydrochloric acid by the present invention with wheat leaf to be impregnated,
The plant fiber in stalk and wheat leaf is isolated, the ingredients such as cellulose, potassium permanganate oxidation, which is added, makes the hydroxyl in plant fiber
Base oxidation generate carboxyl, plant fiber, cellulose surface carboxyl formed after be added iron ion make carboxyl chelates ferric ions, by iron from
Sub to be securely adsorbed in plant fibre surface, after elemental copper is added, copper simple substance displaces the iron ion in fiber, and iron ion is detached from shape
At hole, copper simple substance, which loses, electronically forms copper ion and carboxyl chelating, and fill part hole, the increase in hole makes plant fiber ratio
Surface area increases, so that being conducive to other molecules in plant fiber and splash guard generates suction-operated, the addition of copper ion makes to plant
Fibres mechanical property itself is improved, and after surface hydroxyl groups are oxidized to carboxylic group, carboxyl is combined by copper ion and shielded,
Be difficult to again with Water Molecular Adsorption, to enhance the waterproof performance of splash guard；
(2) present invention mixes cornstarch with modified plant fibers, addition amylolytic enzyme make high glycan in plant fiber,
Polysaccharide and cornstarch resolve into glucose and other polysaccharide components, then anti-with maleic anhydride in the environment of the concentrated sulfuric acid
The hydroxy combining having in the hydroxyl that plant fiber itself should be made to have, and absorption glucose generates ester group, further shields
Hydroxyl in plant fiber prevents from contacting enhancing waterproof performance with water, while the addition of glucose is conducive to adsorb journey between fiber
The reinforcement of degree makes the more firm densification of space structure, improves the mechanical strength of splash guard, mix using with tetraethyl orthosilicate
Afterwards, by low temperature calcination, make glucose and plant fiber carbonizes and the coated silica on charring layer, to improve splash guard
Mechanical strength and waterproof performance, have broad application prospects.
Specific embodiment
By etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
In baking oven, dry 30~40min, the crushed material after drying is placed in a beaker, matter is used under conditions of temperature is 70~80 DEG C
The salt acid dip that score is 8~12% is measured, is placed the beaker in sonic oscillation instrument, under conditions of frequency of oscillation is 30~35kHz
6~8h is vibrated, filter residue is obtained by filtration after oscillation, wash with distilled water filter residue 3~5 times；By after above-mentioned cleaning filter residue with it is anhydrous
Ethyl alcohol, which is put into beaker, is uniformly mixed obtained solidliquid mixture, and the quality of solidliquid mixture quality 30~40% is added into beaker
The acetic acid solution that score is 60~70% is mixed 80~100min with blender with the revolving speed of 800~900r/min and acid is made
Property reaction solution, into beaker be added acid reaction liquid quality 5~8% potassium permanganate powder, place the beaker water after mixing
In the water-bath that bath temperature is 60~70 DEG C, oxidation liquid is made in 2~3h of heated at constant temperature；It is anti-that oxidation is added into above-mentioned beaker
The iron chloride crystal powder for answering liquid quality 5~10%, places the beaker in sonic oscillation instrument, is 30~35kHz's in frequency of oscillation
Under the conditions of vibrate 2~3h, the copper powder of the quality such as iron chloride crystal powder is added after oscillation into beaker, using blender with 400
The revolving speed of~500r/min is mixed 30~40min and mixed liquor is made；According to parts by weight, 50~53 parts of above-mentioned mixing are weighed
Liquid, 10~12 parts of cornstarch and 0.3~0.8 part of ptyalin put into fermenter uniformly mixed, and fermentor is placed in temperature
Degree is stirred in 30~35 DEG C of greenhouse, constant temperature stands 2~3h after standing with blender with the revolving speed mixing of 500~550r/min
40~50min is mixed, enzymolysis product is made；By 7~9 parts of above-mentioned enzymolysis products, 2~4 parts of maleic anhydrides and 3~5 parts of mass fractions
For 80~90% sulfuric acid solution put into beaker in, be added magnetic force ball simultaneously be put into water-bath, speed of agitator be 300~
60~80min is mixed under conditions of being 60~70 DEG C in 350r/min and bath temperature, places the beaker vacuum after stirring
In drying box, concentration is up to product constant weight system in beaker under conditions of temperature is 60~70 DEG C and vacuum degree is 30~50Pa
Obtain reaction gel；By 7~9 parts of above-mentioned reaction gels, 2~3 parts of tetraethyl orthosilicates and 30~35 parts of dehydrated alcohol investment reactions
In kettle, 35~40min is mixed with the revolving speed of 500~600r/min with blender, prefabricated reaction solution is made, into reaction kettle
The deionized water of 3~5 times of prefabricated reaction solution quality is added, stands 30~40min after mixing, modification is obtained by filtration after standing
Modified filter residue is placed in Muffle furnace by filter residue, under protection of argon gas, increases in-furnace temperature to 180~190 DEG C, high temperature sintering 40
Calcined product is made in~50min；According to parts by weight, 7~9 parts of above-mentioned calcined products, 2~3 parts of 2,6- three-level butyl -4- are weighed
In methylphenol, 20~23 parts of phenolic resin and 1~2 part of odium stearate investment reaction kettle, temperature is 80~90 DEG C, stirring turns
Speed be 400~450r/min under conditions of be mixed 35~40min, while hot discharging investment hot press in, temperature be 80~
90 DEG C, pressure suppresses 20~30min under conditions of being 15~18MPa, and natural cooling discharges up to high-strength waterproof plate.
By etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
In baking oven, dry 30min, the crushed material after drying is placed in a beaker, is with mass fraction under conditions of temperature is 70 DEG C
8% salt acid dip, places the beaker in sonic oscillation instrument, vibrates 6h, mistake after oscillation under conditions of frequency of oscillation is 30kHz
Filter obtains filter residue, filter residue 3 times wash with distilled water；It will be uniformly mixed in filter residue and dehydrated alcohol investment beaker after above-mentioned cleaning
Solidliquid mixture is made, the acetic acid solution that the mass fraction of solidliquid mixture quality 30% is 60% is added into beaker, with stirring
Device is mixed 80min with the revolving speed of 800r/min and acid reaction liquid is made, and acid reaction liquid quality 5% is added into beaker
Potassium permanganate powder is placed the beaker after mixing in the water-bath that bath temperature is 60 DEG C, and oxidation is made in heated at constant temperature 2h
Reaction solution；The iron chloride crystal powder of oxidation liquid quality 5% is added into above-mentioned beaker, places the beaker sonic oscillation instrument
In, 2h is vibrated under conditions of frequency of oscillation is 30kHz, the copper of the quality such as iron chloride crystal powder is added after oscillation into beaker
Powder is mixed 30min using blender with the revolving speed of 400r/min and mixed liquor is made；According to parts by weight, it weighs on 50 parts
State mixed liquor, 10 parts of cornstarch and 0.3 part of ptyalin put into fermenter uniformly mixed, and fermentor, which is placed in temperature, is
In 30 DEG C of greenhouse, constant temperature stands 2h, uses blender that 40min is mixed with the revolving speed of 500r/min after standing, enzymatic hydrolysis is made
Product；The sulfuric acid solution that 7 parts of above-mentioned enzymolysis products, 2 parts of maleic anhydrides and 3 parts of mass fractions are 80% is put into beaker, is added
Magnetic force ball is simultaneously put into water-bath, is mixed under conditions of speed of agitator is 300r/min and bath temperature is 60 DEG C
60min is placed the beaker in vacuum oven after stirring, is concentrated under conditions of temperature is 60 DEG C and vacuum degree is 30Pa straight
Into beaker, reaction gel is made in product constant weight；By 7 parts of above-mentioned reaction gels, 2 parts of tetraethyl orthosilicates and 30 parts of dehydrated alcohols
It puts into reaction kettle, 35min is mixed with the revolving speed of 500r/min with blender, prefabricated reaction solution is made, into reaction kettle
The deionized water of 3 times of prefabricated reaction solution quality is added, stands 30min after mixing, modified filter residue is obtained by filtration after standing, it will
Modified filter residue is placed in Muffle furnace, under protection of argon gas, increases in-furnace temperature to 180 DEG C, high temperature sintering 40min is made calcining and produces
Object；According to parts by weight, weigh 7 parts of above-mentioned calcined products, 2 parts of 2,6- three-level butyl -4- methylphenols, 20 parts of phenolic resin and
In 1 part of odium stearate investment reaction kettle, 35min is mixed under conditions of temperature is 80 DEG C, speed of agitator is 400r/min,
It is 80 DEG C in temperature while hot in discharging investment hot press, pressure suppresses 20min under conditions of being 15MPa, natural cooling discharging is
Obtain high-strength waterproof plate.
By etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
In baking oven, dry 35min, the crushed material after drying is placed in a beaker, is with mass fraction under conditions of temperature is 75 DEG C
10% salt acid dip, places the beaker in sonic oscillation instrument, vibrates 7h, mistake after oscillation under conditions of frequency of oscillation is 32kHz
Filter obtains filter residue, filter residue 4 times wash with distilled water；It will be uniformly mixed in filter residue and dehydrated alcohol investment beaker after above-mentioned cleaning
Solidliquid mixture is made, the acetic acid solution that the mass fraction of solidliquid mixture quality 35% is 65% is added into beaker, with stirring
Device is mixed 90min with the revolving speed of 850r/min and acid reaction liquid is made, and acid reaction liquid quality 7% is added into beaker
Potassium permanganate powder is placed the beaker after mixing in the water-bath that bath temperature is 65 DEG C, and oxygen is made in heated at constant temperature 2.5h
Change reaction solution；The iron chloride crystal powder of oxidation liquid quality 7% is added into above-mentioned beaker, places the beaker sonic oscillation
In instrument, 2.5h is vibrated under conditions of frequency of oscillation is 32kHz, the quality such as iron chloride crystal powder are added after oscillation into beaker
Copper powder, 35min is mixed with the revolving speed of 450r/min using blender, mixed liquor is made；According to parts by weight, 52 are weighed
Part above-mentioned mixed liquor, 11 parts of cornstarch and 0.6 part of ptyalin put into fermenter uniformly mixed, and fermentor is placed in temperature
Degree uses blender that 45min, system is mixed with the revolving speed of 520r/min in 32 DEG C of greenhouse, constant temperature stands 2.5h after standing
Obtain enzymolysis product；The sulfuric acid solution that 8 parts of above-mentioned enzymolysis products, 3 parts of maleic anhydrides and 4 parts of mass fractions are 85% is put into beaker
In, magnetic force ball is added and is put into water-bath, under conditions of speed of agitator is 320r/min and bath temperature is 65 DEG C
70min is mixed, is placed the beaker in vacuum oven after stirring, in the condition that temperature is 65 DEG C and vacuum degree is 40Pa
Lower concentration is until reaction gel is made in product constant weight in beaker；By 8 parts of above-mentioned reaction gels, 2 parts of tetraethyl orthosilicates and 32 parts
Dehydrated alcohol is put into reaction kettle, and 37min is mixed with the revolving speed of 550r/min with blender, prefabricated reaction solution is made, to
The deionized water of 4 times of prefabricated reaction solution quality is added in reaction kettle, stands 35min after mixing, is obtained by filtration and changes after standing
Property filter residue, modified filter residue is placed in Muffle furnace, under protection of argon gas, increases in-furnace temperature to 185 DEG C, high temperature sintering 45min
Calcined product is made；According to parts by weight, 8 parts of above-mentioned calcined products, 2 parts of 2,6- three-level butyl -4- methylphenols, 22 parts are weighed
In phenolic resin and 1 part of odium stearate investment reaction kettle, mixed under conditions of temperature is 85 DEG C, speed of agitator is 420r/min
37min is stirred, is 85 DEG C in temperature, pressure suppresses 25min under conditions of being 17MPa, natural while hot in discharging investment hot press
Cooling discharging is up to high-strength waterproof plate.
By etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
In baking oven, dry 40min, the crushed material after drying is placed in a beaker, is with mass fraction under conditions of temperature is 80 DEG C
12% salt acid dip, places the beaker in sonic oscillation instrument, vibrates 8h, mistake after oscillation under conditions of frequency of oscillation is 35kHz
Filter obtains filter residue, filter residue 5 times wash with distilled water；It will be uniformly mixed in filter residue and dehydrated alcohol investment beaker after above-mentioned cleaning
Solidliquid mixture is made, the acetic acid solution that the mass fraction of solidliquid mixture quality 40% is 70% is added into beaker, with stirring
Device is mixed 100min with the revolving speed of 900r/min and acid reaction liquid is made, and acid reaction liquid quality 8% is added into beaker
Potassium permanganate powder is placed the beaker after mixing in the water-bath that bath temperature is 70 DEG C, and oxidation is made in heated at constant temperature 3h
Reaction solution；The iron chloride crystal powder of oxidation liquid quality 10% is added into above-mentioned beaker, places the beaker sonic oscillation instrument
In, 3h is vibrated under conditions of frequency of oscillation is 35kHz, the copper of the quality such as iron chloride crystal powder is added after oscillation into beaker
Powder is mixed 40min using blender with the revolving speed of 500r/min and mixed liquor is made；According to parts by weight, it weighs on 53 parts
State mixed liquor, 12 parts of cornstarch and 0.8 part of ptyalin put into fermenter uniformly mixed, and fermentor, which is placed in temperature, is
In 35 DEG C of greenhouse, constant temperature stands 3h, uses blender that 50min is mixed with the revolving speed of 550r/min after standing, enzymatic hydrolysis is made
Product；The sulfuric acid solution that 9 parts of above-mentioned enzymolysis products, 4 parts of maleic anhydrides and 5 parts of mass fractions are 90% is put into beaker, is added
Magnetic force ball is simultaneously put into water-bath, is mixed under conditions of speed of agitator is 350r/min and bath temperature is 70 DEG C
80min is placed the beaker in vacuum oven after stirring, is concentrated under conditions of temperature is 70 DEG C and vacuum degree is 50Pa straight
Into beaker, reaction gel is made in product constant weight；By 9 parts of above-mentioned reaction gels, 3 parts of tetraethyl orthosilicates and 35 parts of dehydrated alcohols
It puts into reaction kettle, 40min is mixed with the revolving speed of 600r/min with blender, prefabricated reaction solution is made, into reaction kettle
The deionized water of 5 times of prefabricated reaction solution quality is added, stands 40min after mixing, modified filter residue is obtained by filtration after standing, it will
Modified filter residue is placed in Muffle furnace, under protection of argon gas, increases in-furnace temperature to 190 DEG C, high temperature sintering 50min is made calcining and produces
Object；According to parts by weight, weigh 9 parts of above-mentioned calcined products, 3 parts of 2,6- three-level butyl -4- methylphenols, 23 parts of phenolic resin and
In 2 parts of odium stearate investment reaction kettles, 40min is mixed under conditions of temperature is 90 DEG C, speed of agitator is 450r/min,
It is 90 DEG C in temperature while hot in discharging investment hot press, pressure suppresses 30min under conditions of being 18MPa, natural cooling discharging is
Obtain high-strength waterproof plate.
The high-strength waterproof plate that comparative example is produced with Shenzhen company is as a comparison case to produced by the present invention high-intensitive anti-
High-strength waterproof plate in water plate and comparative example carries out performance detection, and testing result is as shown in table 1:
Test method:
Fracture tensile strength and elongation at break test are by GB/T18173.1 requirement test mechanical performance index.
Wearability test: the splash guard in example 1~3 and comparative example is observed into surface abrasion feelings after a period of use
Condition.
Waterproofing tests: it by the splash guard in example 1~3 and comparative example after the hydraulic pressure undershoot 120min of 0.3MPa, sees
Whether examine has leakage phenomenon.
1 splash guard performance measurement result of table
| Test item | Example 1 | Example 2 | Example 3 | Comparative example |
| Fracture tensile strength (MPa) | 29 | 29 | 30 | 17 |
| Elongation at break (%) | 678 | 679 | 680 | 600 |
| Wearability | Without scuffing, flawless | Without scuffing, flawless | Without scuffing, flawless | It is obvious damaged |
| Waterproofness | Ne-leakage | Ne-leakage | Ne-leakage | Leakage |
High according to above-mentioned detection data high-strength waterproof plate fracture tensile strength produced by the present invention, elongation at break is high,
Mechanical property is good, and impact resistance is good, and wearability is good, good waterproof performance, and ne-leakage has broad application prospects.
Claims (8)
1. a kind of preparation method of high-strength waterproof plate, it is characterised in that specific preparation step are as follows:
(1) by etc. quality wheat stalk and wheat leaf investment pulverizer in be pulverized and mixed to obtain crushed material, crushed material is placed in
It is dry in baking oven, the crushed material after drying is placed in a beaker, with salt acid dip, places the beaker and is vibrated in sonic oscillation instrument,
Filter residue is obtained by filtration after oscillation, wash with distilled water filter residue 3~5 times；
(2) it will be uniformly mixed in the filter residue and dehydrated alcohol investment beaker after above-mentioned cleaning and solidliquid mixture be made, into beaker
The acetic acid solution of solidliquid mixture quality 30~40% is added, is mixed with blender and acid reaction liquid is made, adds into beaker
The potassium permanganate powder for entering acid reaction liquid quality 5~8%, places the beaker in water-bath after mixing, and heated at constant temperature is made
Oxidation liquid；
(3) the iron chloride crystal powder of oxidation liquid quality 5~10% is added into above-mentioned beaker, places the beaker ultrasonic vibration
It swings in instrument, 2~3h is vibrated under conditions of frequency of oscillation is 30~35kHz, iron chloride crystal powder is added after oscillation into beaker
The copper powder of the quality such as end is mixed 30~40min using blender with the revolving speed of 400~500r/min and mixed liquor is made；
(4) according to parts by weight, 50~53 portions of above-mentioned mixed liquors are weighed, 10~12 parts of cornstarch and 0.3~0.8 part of saliva are formed sediment
Powder enzyme puts into fermenter uniformly mixed, and fermentor is placed in a greenhouse constant temperature and is stood, is mixed after standing and is made with blender
Obtain enzymolysis product；
(5) sulfuric acid solution for being 80~90% by 7~9 parts of above-mentioned enzymolysis products, 2~4 parts of maleic anhydrides and 3~5 parts of mass fractions
It puts into beaker, magnetic force ball and being put into water-bath is added and is mixed, is placed the beaker after stirring dense in vacuum oven
Contracting is until reaction gel is made in product constant weight in beaker；
(6) 7~9 parts of above-mentioned reaction gels, 2~3 parts of tetraethyl orthosilicates and 30~35 parts of dehydrated alcohols are put into reaction kettles,
Prefabricated reaction solution is made with blender mixing, the deionized water of 3~5 times of prefabricated reaction solution quality is added into reaction kettle,
30~40min is stood after mixing, modified filter residue is obtained by filtration after standing, modified filter residue is placed in Muffle furnace, in argon gas
Under protection, increases in-furnace temperature high temperature sintering and calcined product is made；
(7) according to parts by weight, weigh 7~9 parts of above-mentioned calcined products, 2~3 parts of 2,6- three-level butyl -4- methylphenols, 20~
It is mixed in 23 parts of phenolic resin and 1~2 part of odium stearate investment reaction kettle, is suppressed in discharging investment hot press while hot, from
Right cooling discharging is up to high-strength waterproof plate.
2. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (1)
Baking oven in temperature be 70~80 DEG C, drying time is 30~40min, and the mass fraction of hydrochloric acid is 8~12%, sonic oscillation
Frequency of oscillation in instrument is 30~35kHz, and duration of oscillation is 6~8h.
3. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (2)
The mass fraction of acetic acid solution be 60~70%, be mixed with blender and acid reaction liquid be made, the water-bath temperature in water-bath
Degree is 60~70 DEG C, and the heated at constant temperature time is 2~3h.
4. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (3)
Sonic oscillation instrument in frequency of oscillation be 30~35kHz, duration of oscillation is 2~3h, and the revolving speed of blender is 400~500r/
Min, mixing time are 30~40min.
5. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (4)
Greenhouse in temperature be 30~35 DEG C, constant temperature time of repose is 2~3h, and the revolving speed of blender is 500~550r/min, mixing
Mixing time is 40~50min.
6. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (5)
Sulfuric acid solution mass fraction be 80~90%, speed of agitator be 300~350r/min, bath temperature be 60~70 DEG C, mixing
Mixing time is 60~80min, and the temperature in vacuum oven is 60~70 DEG C, and vacuum degree is 30~50Pa.
7. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (6)
Reaction kettle in the revolving speed of blender be 500~600r/min, mixing time is 35~40min, temperature in Muffle furnace
180~190 DEG C are increased to, the high temperature sintering time is 40~50min.
8. a kind of preparation method of high-strength waterproof plate according to claim 1, it is characterised in that: described in step (7)
Reaction kettle in temperature be 80~90 DEG C, speed of agitator is 400~450r/min, mixing time is 35~40min, heat
Temperature in press is 80~90 DEG C, and pressure is 15~18MPa, and the pressing time is 20~30min.
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| CN201811104225.6A CN109233194A (en) | 2018-09-21 | 2018-09-21 | A kind of preparation method of high-strength waterproof plate |
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| CN201811104225.6A CN109233194A (en) | 2018-09-21 | 2018-09-21 | A kind of preparation method of high-strength waterproof plate |
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| CN201811104225.6A Pending CN109233194A (en) | 2018-09-21 | 2018-09-21 | A kind of preparation method of high-strength waterproof plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109836766A (en) * | 2019-01-22 | 2019-06-04 | 陈莹 | A kind of preparation method of the corrosion-resistant antiglare shield of high-strength waterproof |
| CN110016726A (en) * | 2019-04-23 | 2019-07-16 | 杭州墨舞神韵文化艺术集团有限公司 | A kind of preparation method of high-strength corrosion-resisting viscose fiber |
| CN110029529A (en) * | 2019-02-28 | 2019-07-19 | 常州凯丽特装饰材料有限公司 | A kind of preparation method of high-strength waterproof anti-pollution type wallpaper |
| CN110066492A (en) * | 2019-03-27 | 2019-07-30 | 深圳市吴越物流有限公司广州分公司 | A kind of preparation method of high-strength container bottom plate |
| CN110396226A (en) * | 2019-08-09 | 2019-11-01 | 山东容奈材料设计有限公司 | A kind of modified white carbon black and its tread rubber |
| CN110436833A (en) * | 2019-07-06 | 2019-11-12 | 徐玉萍 | A kind of preparation method of high-adhesion high temperature resistant grouting material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109836766A (en) * | 2019-01-22 | 2019-06-04 | 陈莹 | A kind of preparation method of the corrosion-resistant antiglare shield of high-strength waterproof |
| CN110029529A (en) * | 2019-02-28 | 2019-07-19 | 常州凯丽特装饰材料有限公司 | A kind of preparation method of high-strength waterproof anti-pollution type wallpaper |
| CN110066492A (en) * | 2019-03-27 | 2019-07-30 | 深圳市吴越物流有限公司广州分公司 | A kind of preparation method of high-strength container bottom plate |
| CN110016726A (en) * | 2019-04-23 | 2019-07-16 | 杭州墨舞神韵文化艺术集团有限公司 | A kind of preparation method of high-strength corrosion-resisting viscose fiber |
| CN110436833A (en) * | 2019-07-06 | 2019-11-12 | 徐玉萍 | A kind of preparation method of high-adhesion high temperature resistant grouting material |
| CN110396226A (en) * | 2019-08-09 | 2019-11-01 | 山东容奈材料设计有限公司 | A kind of modified white carbon black and its tread rubber |
| CN110396226B (en) * | 2019-08-09 | 2021-07-02 | 山东容奈材料设计有限公司 | Modified white carbon black and tread rubber thereof |
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