CN108892417A - A kind of alkaline-resisting waterproof glass cotton plate - Google Patents
A kind of alkaline-resisting waterproof glass cotton plate Download PDFInfo
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- CN108892417A CN108892417A CN201810849438.5A CN201810849438A CN108892417A CN 108892417 A CN108892417 A CN 108892417A CN 201810849438 A CN201810849438 A CN 201810849438A CN 108892417 A CN108892417 A CN 108892417A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/12—Condensation polymers of aldehydes or ketones
- C04B26/122—Phenol-formaldehyde condensation polymers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2023—Resistance against alkali-aggregate reaction
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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Abstract
The invention discloses a kind of alkaline-resisting waterproof glass cotton plates, belong to building material technical field.According to parts by weight, it successively weighs：40~50 parts of phenolic resin, 10~12 parts of urea, 5~12 parts of silane coupling agents, 5~8 parts of catalyst, 2~3 parts of dicyclohexylcarbodiimides, 10~18 parts of epoxidized soybean oils, 10~15 parts of polyaspartates, 3~4 parts of fire retardants, 60~100 parts of modified glass-fiber cloth and 5~12 parts of modified graphene oxides；Phenolic resin is mixed with urea, and silane coupling agent is added, and catalyst, dicyclohexylcarbodiimide, epoxidized soybean oil, polyaspartate, fire retardant and modified graphene oxide, after being stirred, obtain mixture, mixture is mixed with modified glass-fiber, curing molding under conditions of being 200 DEG C in temperature obtains alkaline-resisting waterproof glass cotton plate.The alkaline-resisting waterproof glass cotton plate of technical solution of the present invention preparation has the characteristics that excellent alkaline resistance properties and waterproof performance.
Description
Technical field
The invention discloses a kind of alkaline-resisting waterproof glass cotton plates, belong to building material technical field.
Background technique
Mineral wool is to be equipped with other industrial chemicals such as soda ash, boron etc. with natural crystals such as quartz sand, dolomite, alabasters,
By heat insulating and sound insulating material made of the critical process such as high-temperature fusion, glass metal clarification, centrifugal drying silk, curing molding, have good
Heat preservation well, heat-insulated, sound absorption qualities, combustibility are A grades, light weight（Carrying, processing, installation when being easy to construct）, have
Good physical and chemical properties.For mineral wool as A grades of thermal insulation material of fire prevention, use is commonplace, mature.But it was using
Occurring many problems in journey, " water absorption is impregnated in m- part in short-term " of mineral wool does not meet exterior insulation requirement at present, because
This improves its waterproof performance for the heat insulating ability of holding inorfil, and it is very necessary to improve its durability.Currently, improving inorganic fibre
The method of vinylon and cotton blend plate waterproof performance focuses mostly on is arranged waterproof membrane, setting waterproof layer between fibrous layer and boundary layer（Cloth or paper
Material）, spraying waterproof layer.Although these methods achieve certain effect, cost is very high or waterproof performance is limited.
The waterproofness that inorfil how is greatly improved under the premise of increased costs are few becomes an important topic.In addition, glass
The alkali resistance of cotton plate is also the problem of extremely concern in the industry.Mineral wool needs to carry out sand during upper wall as thermal insulation material
The coating of interfacial agents is starched, and mortar interface agent is mostly alkalinity, therefore the alkali resistance of mineral wool is by the durability of direct decision systems.
The waterproof alkaline resistance properties of inorfil cotton how is improved, processing cost is reduced, there is important researching value.
And traditional block of glass wool the problem of can not being further increased there is also waterproof performance and alkaline resistance properties, therefore, such as
The shortcomings that waterproof performance and alkaline resistance properties what improves traditional glass cotton plate can not further increase, has in the hope of exploring to develop
The block of glass wool of good comprehensive performance is problem to be solved.
Summary of the invention
The present invention solves the technical problem of：It can not be into one for traditional glass cotton plate waterproof performance and alkaline resistance properties
The shortcomings that step improves, provides a kind of alkaline-resisting waterproof glass cotton plate.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that：
A kind of alkaline-resisting waterproof glass cotton plate, is made of the raw material of following parts by weight：40~50 parts of phenolic resin, 10~12 parts
Urea, 5~12 parts of silane coupling agents, 5~8 parts of catalyst, 2~3 parts of dicyclohexylcarbodiimides, 10~18 parts of epoxy soybeans
Oil, 10~15 parts of polyaspartates, 3~4 parts of fire retardants, 60~100 parts of modified glass-fiber cloth and 5~12 parts it is modified oxidized
Graphene；
The preparation method of the modified glass-fiber cloth is：
By cetyl trimethylammonium bromide and water in mass ratio 1：20~1：30 mixing, and cetyl trimethyl bromination is added
The sodium hydroxide solution that 5~10 times of ammonium quality after being stirred, obtains mixed liquor, in mass ratio with ethyl orthosilicate by mixed liquor
10：1~20：1 mixing, is centrifugated, and washs, and calcining obtains pretreated silicon dioxide, and pretreated silicon dioxide and water are pressed quality
Than 1：10~1：12 mixing, and pH to 4.0~4.2 is adjusted, 0.5~0.6 times of pretreated silicon dioxide quality of γ-ammonia third is added
Ethyl triethoxy silicane alkane after being stirred to react, filters, dry, pre- improved silica is obtained, by pre- improved silica and copper chloride
Solution in mass ratio 1：8~1：10 mixing, are filtered, dry, obtain improved silica；Improved silica and isopropanol are pressed into matter
Measure ratio 1：10~1：12 mix, and after ultrasonic disperse, 3~5 times of improved silica quality of glass fabric are added, is stirred
Afterwards, it dries, obtains modified glass-fiber cloth.
The silane coupling agent is silane resin acceptor kh-550, in silane coupling agent KH-560 or Silane coupling reagent KH-570
Any one.
The catalyst is any one in zinc chloride or magnesium chloride.
The fire retardant is aluminium hydroxide, any one in expanded graphite or magnesium hydroxide.
The calcining manners are to be warming up to 550 DEG C with the rate of 4~5 DEG C/min, and keep the temperature calcining 3h.
The preparation method of the modified graphene oxide is：In mass ratio by graphene oxide and N,N-dimethylformamide
1：100~1：200 mix, and after ultrasonic disperse, 10~20 times of graphene oxide quality of triethylene tetramine, ultrasonic disperse is added
Afterwards, it is stirred to react, filters, wash, it is dry, obtain modified graphene oxide.
The beneficial effects of the invention are as follows：
（1）The present invention uses modified glass-fiber cloth when preparing alkaline-resisting waterproof glass cotton plate, and glass fabric is by being modified
Rear surface adsorbs oily improved silica, firstly, the cladding of surface silica dioxide can effectively slow down corrosion of the lye to fiber, from
And the alkali resistance of product is improved, secondly, silica is after modification, silica interior is adsorbed with copper ion, then contacts
It can produce Kocide SD precipitating when lye, and be attached to fiberglass surfacing, so that the alkali resistance of product is further increased, then
Person, improved silica surface grafting have amino group, can be in product preparation process in dicyclohexyl after being added in product
React under the action of carbodiimide with modified graphene oxide combination, so that the crosslink density of interiors of products is improved, into
And improve the waterproofness of product, and the amino being grafted can be big with epoxy under the effect of the catalyst in product preparation process
Soya-bean oil reacts and combines, so that the crosslink density of interiors of products be made to further increase, and then makes the waterproofness of product into one
Step improves, simultaneously because epoxidized soybean oil relative molecular weight is smaller, reacts in product preparation process and in product subsurface,
To make the alkali resistance of product further increase；
（2）Catalyst is added when preparing alkaline-resisting waterproof glass cotton plate in the present invention, on the one hand, the addition of catalyst can make epoxy big
Soya-bean oil open loop is easily reacted with modified glass-fiber cloth and modified graphene oxide, on the other hand, since the catalyst of addition is in alkali
Property under the conditions of can produce precipitating, the hole of product is filled, so that the waterproofness of product and alkali resistance be made to further increase.
Specific embodiment
By graphene oxide and N,N-dimethylformamide in mass ratio 1：100~1：200 are mixed in flask, in frequency
After 2~3h of ultrasonic disperse under conditions of 45~55kHz, 10~20 times of graphene oxide quality of triethylene is added into flask
Tetramine is 120~125 DEG C in temperature, revolving speed is under conditions of frequency is 45~55kHz after 15~302min of ultrasonic disperse
After being stirred to react 48~50h under conditions of 300~400r/min, filtering obtains modified graphene oxide blank, by modified oxidized stone
After the anhydrous ethylene of black alkene blank and water wash 3~5 times respectively, after being dried in vacuo 1~2h under conditions of being 70 DEG C in temperature, obtain
Modified graphene oxide；By cetyl trimethylammonium bromide and water in mass ratio 1：20~1：30 are mixed in beaker, and to
The sodium hydroxide solution that the mass fraction that 5~10 times of cetyl trimethylammonium bromide quality are added in beaker is 10~12%, in
Temperature is 45~55 DEG C, after revolving speed is stirred 30~60min under conditions of being 300~380r/min, obtains mixed liquor, will mix
Liquid and ethyl orthosilicate in mass ratio 10：1~20：1 mixing is 50~60 DEG C in temperature, and revolving speed is the item of 200~350r/min
Under part, after being stirred to react 5~6h, centrifuge separation obtains pretreated silicon dioxide blank, pretreated silicon dioxide blank is washed with water
After washing 5~6 times, calcining obtains pretreated silicon dioxide, by pretreated silicon dioxide and water in mass ratio 1：10~1：12 are mixed in
In three-necked flask, and the acetic acid for being 10~18% with mass fraction adjusts the pH to 4.0~4.2 of material in three-necked flask, in temperature
0.5~0.6 times of pretreated silicon dioxide quality of gamma-aminopropyl-triethoxy is added under conditions of being 80 DEG C into three-necked flask
Silane is 50~60 DEG C then at temperature, and after revolving speed is stirred to react 3~4h under conditions of being 300~400r/min, filtering is obtained pre-
Pre- improved silica blank in temperature is 45~65 to relate to the item of Huang Sidu into lower 5~6h of drying by improved silica blank
Afterwards, pre- improved silica is obtained, the copper chloride solution in mass ratio 1 for being 12~20% by pre- improved silica and mass fraction：
8~1：10 mixing, in temperature be 30~50 DEG C, revolving speed be 200~400r/min under conditions of be stirred 60~100min after,
Filtering, obtains filter cake, after being dried in vacuo 4~6h under conditions of being 60 DEG C in temperature by filter cake, obtains improved silica；Two will be modified
Silica and isopropanol in mass ratio 1：10~1：12 mixing, in frequency be 45~60kHz under conditions of ultrasonic disperse 30~
After 60min, to the glass fibre that 3~5 times of improved silica quality is added in the mixture of improved silica and isopropanol
Cloth is 40~50 DEG C in temperature, after revolving speed is stirred 80~120min under conditions of being 300~500r/min, is in temperature
It is dried under conditions of 100~110 DEG C, obtains modified glass-fiber cloth；According to parts by weight, it successively weighs：40~50 parts of phenolic aldehyde trees
Rouge, 10~12 parts of urea, 5~12 parts of silane coupling agents, 5~8 parts of catalyst, 2~3 parts of dicyclohexylcarbodiimides, 10~18
Part epoxidized soybean oil, 10~15 parts of polyaspartates, 3~4 parts of fire retardants, 60~100 parts of modified glass-fiber cloth and 5~12
Part modified graphene oxide；Phenolic resin and urea are mixed in blender, and silane coupling agent is added into blender, is urged
Agent, dicyclohexylcarbodiimide, epoxidized soybean oil, polyaspartate, fire retardant and modified graphene oxide are in temperature
40~50 DEG C, revolving speed be 300~600r/min under conditions of, after being stirred 50~80min, obtain mixture, by mixture with
Modified glass-fiber cloth mixing, curing molding under conditions of being 200 DEG C in temperature, obtains alkaline-resisting waterproof glass cotton plate.The silane
Coupling agent is silane resin acceptor kh-550, any one in silane coupling agent KH-560 or Silane coupling reagent KH-570.It is described to urge
Agent is any one in zinc chloride or magnesium chloride.The fire retardant is aluminium hydroxide, any in expanded graphite or magnesium hydroxide
It is a kind of.The calcining manners are to be warming up to 550 DEG C with the rate of 4~5 DEG C/min, and keep the temperature calcining 3h.
Example 1
By graphene oxide and N,N-dimethylformamide in mass ratio 1：200 are mixed in flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 3h, 20 times of graphene oxide quality of triethylene tetramine is added into flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 302min, it is 125 DEG C in temperature, after revolving speed is stirred to react 50h under conditions of being 400r/min, filters,
Obtain modified graphene oxide blank is in temperature after the anhydrous ethylene of modified graphene oxide blank and water are washed 5 times respectively
After being dried in vacuo 2h under conditions of 70 DEG C, modified graphene oxide is obtained；In mass ratio by cetyl trimethylammonium bromide and water
1：30 are mixed in beaker, and 10 times of cetyl trimethylammonium bromide quality of mass fraction is added as 12% into beaker
Sodium hydroxide solution is 55 DEG C in temperature, after revolving speed is stirred 60min under conditions of being 380r/min, obtains mixed liquor, will mix
Close liquid and ethyl orthosilicate in mass ratio 20：1 mixing is 60 DEG C in temperature, under conditions of revolving speed is 350r/min, is stirred to react
After 6h, centrifuge separation obtains pretreated silicon dioxide blank, and after pretreated silicon dioxide blank is washed with water 6 times, calcining is obtained
Pretreated silicon dioxide, by pretreated silicon dioxide and water in mass ratio 1：12 are mixed in three-necked flask, and use mass fraction
The pH to 4.2 of material in three-necked flask is adjusted for 18% acetic acid, is added under conditions of being 80 DEG C in temperature into three-necked flask pre-
The gamma-aminopropyl-triethoxy-silane of 0.6 times of silica quality of processing is 60 DEG C then at temperature, and revolving speed is 400r/min's
Under the conditions of be stirred to react 4h after, filtering obtains pre- improved silica blank, in temperature is 65 to relate to by pre- improved silica blank
The item of Huang Si degree obtains pre- improved silica into after lower dry 6h, the chlorination for being 20% by pre- improved silica and mass fraction
Copper solution in mass ratio 1：10 mixing, in temperature be 50 DEG C, revolving speed be 400r/min under conditions of be stirred 100min after, mistake
Filter, obtains filter cake, after being dried in vacuo 6h under conditions of being 60 DEG C in temperature by filter cake, obtains improved silica；It will modified titanium dioxide
Silicon and isopropanol in mass ratio 1：12 mixing, under conditions of frequency is 60kHz after ultrasonic disperse 60min, to modified titanium dioxide
The glass fabric of 5 times of improved silica quality is added in the mixture of silicon and isopropanol, is 50 DEG C in temperature, revolving speed is
After being stirred 120min under conditions of 500r/min, is dried under conditions of being 110 DEG C in temperature, obtain modified glass-fiber cloth；
According to parts by weight, it successively weighs：50 parts of phenolic resin, 12 parts of urea, 12 parts of silane coupling agents, 8 parts of catalyst, 3 part of two ring
Hexyl carbodiimide, 18 parts of epoxidized soybean oils, 15 parts of polyaspartates, 4 parts of fire retardants, 100 parts of modified glass-fiber cloth and
12 parts of modified graphene oxides；Phenolic resin and urea are mixed in blender, and silane coupling agent is added into blender,
Catalyst, dicyclohexylcarbodiimide, epoxidized soybean oil, polyaspartate, fire retardant and modified graphene oxide, in temperature
It is 50 DEG C, under conditions of revolving speed is 600r/min, after being stirred 80min, mixture is obtained, by mixture and modified glass-fiber
Cloth mixing, curing molding under conditions of being 200 DEG C in temperature, obtains alkaline-resisting waterproof glass cotton plate.The silane coupling agent is silane
Coupling agent KH-550.The catalyst is zinc chloride.The fire retardant is aluminium hydroxide.The calcining manners are with 5 DEG C/min
Rate be warming up to 550 DEG C, and keep the temperature calcining 3h.
Example 2
By graphene oxide and N,N-dimethylformamide in mass ratio 1：200 are mixed in flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 3h, 20 times of graphene oxide quality of triethylene tetramine is added into flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 302min, it is 125 DEG C in temperature, after revolving speed is stirred to react 50h under conditions of being 400r/min, filters,
Obtain modified graphene oxide blank is in temperature after the anhydrous ethylene of modified graphene oxide blank and water are washed 5 times respectively
After being dried in vacuo 2h under conditions of 70 DEG C, modified graphene oxide is obtained；In mass ratio by cetyl trimethylammonium bromide and water
1：30 are mixed in beaker, and 10 times of cetyl trimethylammonium bromide quality of mass fraction is added as 12% into beaker
Sodium hydroxide solution is 55 DEG C in temperature, after revolving speed is stirred 60min under conditions of being 380r/min, obtains mixed liquor, will mix
Close liquid and ethyl orthosilicate in mass ratio 20：1 mixing is 60 DEG C in temperature, under conditions of revolving speed is 350r/min, is stirred to react
After 6h, centrifuge separation obtains pretreated silicon dioxide blank, and after pretreated silicon dioxide blank is washed with water 6 times, calcining is obtained
Pretreated silicon dioxide, by pretreated silicon dioxide and water in mass ratio 1：12 are mixed in three-necked flask, and use mass fraction
The pH to 4.2 of material in three-necked flask is adjusted for 18% acetic acid, is added under conditions of being 80 DEG C in temperature into three-necked flask pre-
The gamma-aminopropyl-triethoxy-silane of 0.6 times of silica quality of processing is 60 DEG C then at temperature, and revolving speed is 400r/min's
Under the conditions of be stirred to react 4h after, filtering obtains pre- improved silica blank, in temperature is 65 to relate to by pre- improved silica blank
The item of Huang Si degree obtains pre- improved silica into after lower dry 6h, the chlorination for being 20% by pre- improved silica and mass fraction
Copper solution in mass ratio 1：10 mixing, in temperature be 50 DEG C, revolving speed be 400r/min under conditions of be stirred 100min after, mistake
Filter, obtains filter cake, after being dried in vacuo 6h under conditions of being 60 DEG C in temperature by filter cake, obtains improved silica；It will modified titanium dioxide
Silicon and isopropanol in mass ratio 1：12 mixing, under conditions of frequency is 60kHz after ultrasonic disperse 60min, to modified titanium dioxide
The glass fabric of 5 times of improved silica quality is added in the mixture of silicon and isopropanol, is 50 DEG C in temperature, revolving speed is
After being stirred 120min under conditions of 500r/min, is dried under conditions of being 110 DEG C in temperature, obtain modified glass-fiber cloth；
According to parts by weight, it successively weighs：50 parts of phenolic resin, 12 parts of urea, 12 parts of silane coupling agents, 8 parts of catalyst, 18 parts of epoxies
Soybean oil, 15 parts of polyaspartates, 4 parts of fire retardants, 100 parts of modified glass-fiber cloth and 12 parts of modified graphene oxides；It will
Phenolic resin and urea are mixed in blender, and silane coupling agent is added into blender, catalyst, epoxidized soybean oil, are gathered
Aspartate, fire retardant and modified graphene oxide are 50 DEG C in temperature, and under conditions of revolving speed is 600r/min, stirring is mixed
After closing 80min, mixture is obtained, mixture is mixed with modified glass-fiber cloth, is solidified under conditions of being 200 DEG C in temperature
Type obtains alkaline-resisting waterproof glass cotton plate.The silane coupling agent is silane resin acceptor kh-550.The catalyst is zinc chloride.Institute
Stating fire retardant is aluminium hydroxide.The calcining manners are to be warming up to 550 DEG C with the rate of 5 DEG C/min, and keep the temperature calcining 3h.
Example 3
By graphene oxide and N,N-dimethylformamide in mass ratio 1：200 are mixed in flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 3h, 20 times of graphene oxide quality of triethylene tetramine is added into flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 302min, it is 125 DEG C in temperature, after revolving speed is stirred to react 50h under conditions of being 400r/min, filters,
Obtain modified graphene oxide blank is in temperature after the anhydrous ethylene of modified graphene oxide blank and water are washed 5 times respectively
After being dried in vacuo 2h under conditions of 70 DEG C, modified graphene oxide is obtained；In mass ratio by cetyl trimethylammonium bromide and water
1：30 are mixed in beaker, and 10 times of cetyl trimethylammonium bromide quality of mass fraction is added as 12% into beaker
Sodium hydroxide solution is 55 DEG C in temperature, after revolving speed is stirred 60min under conditions of being 380r/min, obtains mixed liquor, will mix
Close liquid and ethyl orthosilicate in mass ratio 20：1 mixing is 60 DEG C in temperature, under conditions of revolving speed is 350r/min, is stirred to react
After 6h, centrifuge separation obtains pretreated silicon dioxide blank, and after pretreated silicon dioxide blank is washed with water 6 times, calcining is obtained
Pretreated silicon dioxide, by pretreated silicon dioxide and water in mass ratio 1：12 are mixed in three-necked flask, and use mass fraction
The pH to 4.2 of material in three-necked flask is adjusted for 18% acetic acid, is added under conditions of being 80 DEG C in temperature into three-necked flask pre-
The gamma-aminopropyl-triethoxy-silane of 0.6 times of silica quality of processing is 60 DEG C then at temperature, and revolving speed is 400r/min's
Under the conditions of be stirred to react 4h after, filtering obtains pre- improved silica blank, in temperature is 65 to relate to by pre- improved silica blank
The item of Huang Si degree obtains pre- improved silica into after lower dry 6h, the chlorination for being 20% by pre- improved silica and mass fraction
Copper solution in mass ratio 1：10 mixing, in temperature be 50 DEG C, revolving speed be 400r/min under conditions of be stirred 100min after, mistake
Filter, obtains filter cake, after being dried in vacuo 6h under conditions of being 60 DEG C in temperature by filter cake, obtains improved silica；It will modified titanium dioxide
Silicon and isopropanol in mass ratio 1：12 mixing, under conditions of frequency is 60kHz after ultrasonic disperse 60min, to modified titanium dioxide
The glass fabric of 5 times of improved silica quality is added in the mixture of silicon and isopropanol, is 50 DEG C in temperature, revolving speed is
After being stirred 120min under conditions of 500r/min, is dried under conditions of being 110 DEG C in temperature, obtain modified glass-fiber cloth；
According to parts by weight, it successively weighs：50 parts of phenolic resin, 12 parts of urea, 12 parts of silane coupling agents, 8 parts of catalyst, 3 part of two ring
Hexyl carbodiimide, 15 parts of polyaspartates, 4 parts of fire retardants, 100 parts of modified glass-fiber cloth and 12 parts of modified graphite oxides
Alkene；Phenolic resin and urea are mixed in blender, and silane coupling agent is added into blender, catalyst, dicyclohexyl
Carbodiimide, polyaspartate, fire retardant and modified graphene oxide are 50 DEG C in temperature, and revolving speed is the item of 600r/min
Under part, after being stirred 80min, mixture is obtained, mixture is mixed with modified glass-fiber cloth, the item for being 200 DEG C in temperature
Curing molding under part obtains alkaline-resisting waterproof glass cotton plate.The silane coupling agent is silane resin acceptor kh-550.The catalyst is
Zinc chloride.The fire retardant is aluminium hydroxide.The calcining manners are 550 DEG C to be warming up to the rate of 5 DEG C/min, and keep the temperature and forge
Burn 3h.
Example 4
By graphene oxide and N,N-dimethylformamide in mass ratio 1：200 are mixed in flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 3h, 20 times of graphene oxide quality of triethylene tetramine is added into flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 302min, it is 125 DEG C in temperature, after revolving speed is stirred to react 50h under conditions of being 400r/min, filters,
Obtain modified graphene oxide blank is in temperature after the anhydrous ethylene of modified graphene oxide blank and water are washed 5 times respectively
After being dried in vacuo 2h under conditions of 70 DEG C, modified graphene oxide is obtained；In mass ratio by cetyl trimethylammonium bromide and water
1：30 are mixed in beaker, and 10 times of cetyl trimethylammonium bromide quality of mass fraction is added as 12% into beaker
Sodium hydroxide solution is 55 DEG C in temperature, after revolving speed is stirred 60min under conditions of being 380r/min, obtains mixed liquor, will mix
Close liquid and ethyl orthosilicate in mass ratio 20：1 mixing is 60 DEG C in temperature, under conditions of revolving speed is 350r/min, is stirred to react
After 6h, centrifuge separation obtains pretreated silicon dioxide blank, and after pretreated silicon dioxide blank is washed with water 6 times, calcining is obtained
Pretreated silicon dioxide, by pretreated silicon dioxide and water in mass ratio 1：12 are mixed in three-necked flask, and use mass fraction
The pH to 4.2 of material in three-necked flask is adjusted for 18% acetic acid, is added under conditions of being 80 DEG C in temperature into three-necked flask pre-
The gamma-aminopropyl-triethoxy-silane of 0.6 times of silica quality of processing is 60 DEG C then at temperature, and revolving speed is 400r/min's
Under the conditions of be stirred to react 4h after, filtering obtains pre- improved silica blank, in temperature is 65 to relate to by pre- improved silica blank
The item of Huang Si degree obtains pre- improved silica into after lower dry 6h, the chlorination for being 20% by pre- improved silica and mass fraction
Copper solution in mass ratio 1：10 mixing, in temperature be 50 DEG C, revolving speed be 400r/min under conditions of be stirred 100min after, mistake
Filter, obtains filter cake, after being dried in vacuo 6h under conditions of being 60 DEG C in temperature by filter cake, obtains improved silica；It will modified titanium dioxide
Silicon and isopropanol in mass ratio 1：12 mixing, under conditions of frequency is 60kHz after ultrasonic disperse 60min, to modified titanium dioxide
The glass fabric of 5 times of improved silica quality is added in the mixture of silicon and isopropanol, is 50 DEG C in temperature, revolving speed is
After being stirred 120min under conditions of 500r/min, is dried under conditions of being 110 DEG C in temperature, obtain modified glass-fiber cloth；
According to parts by weight, it successively weighs：50 parts of phenolic resin, 12 parts of urea, 12 parts of silane coupling agents, 8 parts of catalyst, 3 part of two ring
Hexyl carbodiimide, 18 parts of epoxidized soybean oils, 4 parts of fire retardants, 100 parts of modified glass-fiber cloth and 12 parts of modified graphite oxides
Alkene；Phenolic resin and urea are mixed in blender, and silane coupling agent is added into blender, catalyst, dicyclohexyl
Carbodiimide, epoxidized soybean oil, fire retardant and modified graphene oxide are 50 DEG C in temperature, and revolving speed is the condition of 600r/min
Under, after being stirred 80min, mixture is obtained, mixture is mixed with modified glass-fiber cloth, the condition for being 200 DEG C in temperature
Lower curing molding obtains alkaline-resisting waterproof glass cotton plate.The silane coupling agent is silane resin acceptor kh-550.The catalyst is chlorine
Change zinc.The fire retardant is aluminium hydroxide.The calcining manners are to be warming up to 550 DEG C with the rate of 5 DEG C/min, and keep the temperature calcining
3h。
Example 5
By graphene oxide and N,N-dimethylformamide in mass ratio 1：200 are mixed in flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 3h, 20 times of graphene oxide quality of triethylene tetramine is added into flask, in the item that frequency is 55kHz
Under part after ultrasonic disperse 302min, it is 125 DEG C in temperature, after revolving speed is stirred to react 50h under conditions of being 400r/min, filters,
Obtain modified graphene oxide blank is in temperature after the anhydrous ethylene of modified graphene oxide blank and water are washed 5 times respectively
After being dried in vacuo 2h under conditions of 70 DEG C, modified graphene oxide is obtained；According to parts by weight, it successively weighs：50 parts of phenolic resin,
12 parts of urea, 12 parts of silane coupling agents, 8 parts of catalyst, 3 parts of dicyclohexylcarbodiimides, 18 parts of epoxidized soybean oils, 15 parts of poly- days
Aspartic acid ester, 4 parts of fire retardants, 100 parts of glass fabrics and 12 parts of modified graphene oxides；Phenolic resin and urea are mixed in
In blender, and silane coupling agent is added into blender, catalyst, dicyclohexylcarbodiimide, epoxidized soybean oil, poly- asparagus fern
Propylhomoserin ester, fire retardant and modified graphene oxide are 50 DEG C in temperature, under conditions of revolving speed is 600r/min, are stirred
After 80min, mixture is obtained, mixture is mixed with glass fabric, curing molding under conditions of being 200 DEG C in temperature obtains resistance to
Alkali waterproof glass cotton plate.The silane coupling agent is silane resin acceptor kh-550.The catalyst is zinc chloride.The fire retardant
For aluminium hydroxide.The calcining manners are to be warming up to 550 DEG C with the rate of 5 DEG C/min, and keep the temperature calcining 3h.
Comparative example：The block of glass wool of Shanghai Materials Co., Ltd production.
The resulting alkaline-resisting waterproof glass cotton plate of 1 to 5 example of example and comparative example product are subjected to performance detection, it is specific to detect
Method is as follows：
With the pattern of the S-3400 scanning electron microscope of Hitachi, Japan observation silane coupling agent treated block of glass wool,
And pass through the alkali resistance of mass loss rate testing inspection test specimen；Changed by short-term water absorption to test specimen referring to GB/T 25975
Water resistance is detected.
Specific testing result is as shown in table 1：
The alkaline-resisting waterproof glass cotton plate performance test results of table 1
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example |
| Mass loss rate/% | 1.4 | 1.5 | 1.7 | 1.9 | 2.2 | 2.6 |
| Short-term water absorption/kg/m2 | 0.52 | 0.58 | 0.64 | 0.72 | 0.86 | 1.25 |
By 1 testing result of table it is found that the alkaline-resisting waterproof glass cotton plate of technical solution of the present invention preparation has excellent alkaline resistance properties
And the characteristics of waterproof performance, it has broad prospects in the development of building material technology.
Claims (6)
1. a kind of alkaline-resisting waterproof glass cotton plate, which is characterized in that be made of the raw material of following parts by weight：40~50 parts of phenolic aldehyde
Resin, 10~12 parts of urea, 5~12 parts of silane coupling agents, 5~8 parts of catalyst, 2~3 parts of dicyclohexylcarbodiimides, 10~
18 parts of epoxidized soybean oils, 10~15 parts of polyaspartates, 3~4 parts of fire retardants, 60~100 parts of modified glass-fiber cloth and 5~
12 parts of modified graphene oxides；
The preparation method of the modified glass-fiber cloth is：
By cetyl trimethylammonium bromide and water in mass ratio 1：20~1：30 mixing, and cetyl trimethyl bromination is added
The sodium hydroxide solution that 5~10 times of ammonium quality after being stirred, obtains mixed liquor, in mass ratio with ethyl orthosilicate by mixed liquor
10：1~20：1 mixing, is centrifugated, and washs, and calcining obtains pretreated silicon dioxide, and pretreated silicon dioxide and water are pressed quality
Than 1：10~1：12 mixing, and pH to 4.0~4.2 is adjusted, 0.5~0.6 times of pretreated silicon dioxide quality of γ-ammonia third is added
Ethyl triethoxy silicane alkane after being stirred to react, filters, dry, pre- improved silica is obtained, by pre- improved silica and copper chloride
Solution in mass ratio 1：8~1：10 mixing, are filtered, dry, obtain improved silica；Improved silica and isopropanol are pressed into matter
Measure ratio 1：10~1：12 mix, and after ultrasonic disperse, 3~5 times of improved silica quality of glass fabric are added, is stirred
Afterwards, it dries, obtains modified glass-fiber.
2. a kind of alkaline-resisting waterproof glass cotton plate according to claim 1, it is characterised in that：The silane coupling agent is silane
Any one in coupling agent KH-550, silane coupling agent KH-560 or Silane coupling reagent KH-570.
3. a kind of alkaline-resisting waterproof glass cotton plate according to claim 1, it is characterised in that：The catalyst be zinc chloride or
Any one in magnesium chloride.
4. a kind of alkaline-resisting waterproof glass cotton plate according to claim 1, it is characterised in that：The fire retardant is hydroxide
Any one in aluminium, expanded graphite or magnesium hydroxide.
5. a kind of alkaline-resisting waterproof glass cotton plate according to claim 1, it is characterised in that：The calcining manners are with 4~5
DEG C/rate of min is warming up to 550 DEG C, and keeps the temperature calcining 3h.
6. a kind of alkaline-resisting waterproof glass cotton plate according to claim 1, it is characterised in that：The modified graphene oxide
Preparation method is：By graphene oxide and N,N-dimethylformamide in mass ratio 1：100~1：200 mix, after ultrasonic disperse,
It is added 10~20 times of graphene oxide quality of triethylene tetramine, after ultrasonic disperse, is stirred to react, filters, wash, it is dry, it obtains
Modified graphene oxide.
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Application publication date: 20181127 |