CN107936844A - A kind of water paint - Google Patents
A kind of water paint Download PDFInfo
- Publication number
- CN107936844A CN107936844A CN201711381431.7A CN201711381431A CN107936844A CN 107936844 A CN107936844 A CN 107936844A CN 201711381431 A CN201711381431 A CN 201711381431A CN 107936844 A CN107936844 A CN 107936844A
- Authority
- CN
- China
- Prior art keywords
- diatomite
- temperature
- water
- powder
- ore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of water paint, belong to building material technical field.The present invention includes the material of following parts by weight：Deionized water 36~40, transparency emulsion 30~40,5% solution 30~40 of protection rubber powder, powdered whiting 5~8, roll-on-type diatom ooze 5~8, coalescents 0.8~1.2, cellulose 0.8~1.2 and defoamer 0.1~0.3；Roll-on-type diatom ooze includes the material of following parts by weight：Deionized water 30~40, diatomite dry powder 20~30, rubber powder 10~20, titanium dioxide 1~2, cellulose 1~2 and white sand powder 2~4；Wherein, diatomite dry powder is to clean to be made using diatomite ore, diatomite ore obtains diatomite after cleaning, diatomite dry powder is made in diatomite after vacuum freeze-drying method is dried again, its homogeneity and specific surface area greatly improve, the synergistic effect of diatomite dry powder combination titanium dioxide, at least improves water paint noise reduction, absorption and the technique effect for removing formaldehyde.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of water paint.
Background technology
Water paint is to use water as decentralized medium and the coating of diluent, water-based compared with the coating of organic solvent type
Coating had both reduced the discharge of volatile organic solvent (VolatileOrganicCompounds, VOC), but can save resource,
The energy (production solvent need to consume the energy), while convenience in transport and storage.With the strengthening of people's awareness of environmental protection, to chemical products
Related with what is used the environmental regulation of production it is also increasingly tighter, therefore water paint is as the mainstream of modern coatings industrial development
Direction.
Diatomite is that a kind of have that natural nano microcellular structure, specific surface area are big, heap density is small, main component is unformed
The natural siliceous porous nonmetallic mineral of SiO2, be widely used in the filtering of beer, beverage, drinking water, commercial grease etc. with
And the field such as sewage disposal, building materials, chemical industry, agricultural, rubber and plastic filler, papermaking filler, it is that many industries are essential
Functional mineral material, has broad application prospects, and with the raising year by year of people's level of consumption, environmental protection finishing concept is already
It is rooted in the hearts of the people, and diatomite is added into finishing field, especially coating, is the class that recent years, technical staff seek assiduously
Topic.
China is diatomite reserves big country, is only second to the U.S. in the world, occupies second.But the diatomite reserves in China
In, the overwhelming majority is Low grade resource, and the direct applied high-quality diatomite resource of energy is less.In exploitation level-one diatomite resource
During, more than 75% low-grade diatomite resource is discarded, not only the diatomite resource of serious waste preciousness, but also is polluted
Local environment.The comprehensive utilization of low-grade diatomite ore is current and following diatomite utilization industry with deep process technology
It is badly in need of.In low-grade diatomite physical upgrading, scouring is very important link.The effect of scouring mainly makes ore
Mill stripping is produced between grain and particle, achievees the purpose that cleaning, polishing and size degradation.
Since diatomite is usually to be formed by the remains deposition of unicellular water plant diatom, the uniqueness of this diatom
Its anatomy can be formed in the free silica in it can absorb water, deposit after its end of life, formed under certain geological conditions
Diatomite Deposit, in existing diatomaceous production, uses after fine powder is crushed to after generally being dried after scouring, just because of
The long-term deposition of Diatomite Deposit, although internal distribution micropore, micro-pore shape and not of uniform size under microscope, is applied particularly to
During coating, its noise reduction, absorption, adjusting air humidity and remove formaldehyde effect it is to be improved.
Through retrieval, Chinese patent application, application number：201210182067.2 publication date：2016.1.20, one kind is disclosed
Water paint, water paint fraction by weight include following component：White cement 70-150；Titanium dioxide 5-15；Laccol base breast
Agent 30-70；Urushiol-formaldehyde polymer emulsion 70-110.Water paint of the present invention is added with raw lacquer, gives full play to
Hard, bright, wear-resisting, heat-resisting, the corrosion resistant advantage of film of raw lacquer, and coordinate and add urushiol-based emulsifier to emulsify life
Paint, it is ensured that it is good in the compatibility of raw lacquer, advantageously form fine and close, rigid interfacial film, and urushiol-based emulsifier can be with
The film formation reaction of raw lacquer is participated in, harmful effect of traditional emulsifying agent to film performance is avoided, there is extremely strong hardness.But should
When invention is applied to interior decoration, after roller coating smoothes out, its adsorption capacity is not good enough.
The content of the invention
1. technical problems to be solved by the inivention
For diatomite micro-pore shape used in water paint in the prior art and not of uniform size paint-absorbable ability is caused to be owed
The problem of good, the present invention provides a kind of water paint, it, with reference to titanium dioxide, improves diatom using lyophilized diatomite dry powder
The homogeneity of native microcellular structure and shape, and reach the effect for improving its noise reduction, absorption, adjusting air humidity and removal formaldehyde
Fruit.
2. technical solution
To reach above-mentioned purpose, technical solution provided by the invention is：
A kind of water paint, includes the material of following parts by weight：Deionized water 36~40, transparency emulsion 30~40, protection
5% solution 30~40 of rubber powder, powdered whiting 5~8, roll-on-type diatom ooze 5~8, coalescents 0.8~1.2, cellulose 0.8
~1.2 and defoamer 0.1~0.3；The roll-on-type diatom ooze includes the material of following parts by weight：Deionized water 30~40, silicon
Diatomaceous earth dry powder 20~30, rubber powder 10~20, titanium dioxide 1~2, cellulose 1~2 and white sand powder 2~4；Wherein, the diatomite is done
Powder is to clean to be made using diatomite ore, by sedimentation separation after diatomite ore scouring, obtains diatomite, the diatomite
Diatomite dry powder is made after vacuum freeze-drying method is dried again.For diatomite dry powder through electron microscope observation, its is equal
One property and specific surface area greatly improve, the synergistic effect of diatomite dry powder combination titanium dioxide, improve water paint noise reduction, inhale
Attached, adjusting air humidity and the technique effect for removing formaldehyde.
Such scheme is improved further, its making step is：
Step 1: the making of roll-on-type diatom ooze：
A, it is pre-dispersed：Deionized water, cellulose and white sand powder is sequentially added in high speed dispersor high speed to disperse；
B, stir：Add titanium dioxide and diatomite dry powder high-speed stirred；
C, thicken：Rubber powder is added when temperature is fallen after rise and stirs evenly obtained roll-on-type diatom ooze；
Step 2: paint solution makes：Deionized water, defoamer, coalescents and cellulose are sequentially added into high speed dispersor
After high speed is disperseed, powdered whiting is sequentially added into, the roll-on-type diatom ooze high-speed stirred of step 1 stirs evenly；
Step 3: the making of pre- sol body：Deionized water, protection 5% solution of rubber powder are sequentially added in high speed dispersor,
Until stirring evenly；
Stirred evenly Step 4: taking paint solution, pre- sol body and transparency emulsion to be added to successively in reaction kettle in proportion to obtain the final product
Water paint.
Such scheme is improved further, during step A high speed dispersions, temperature must not be higher than 30 DEG C；Step B rotating speeds are not
Less than 3000r/min, until powder stirs evenly；Step C temperature falls back to 40~45 DEG C；Proportions are 4 in step 4:4:2.
Such scheme is improved further, diatomite dry powder is prepared by following steps：
(1) it is classified：Diatomite ore in diatomite original ore storehouse is transported to classifying screen through belt conveyor and is classified；
(2) clean：The diatomite ore for removing magnetic ore deposit is transferred to swaging machine scouring；
(3) screen：Material is transferred to spin vibration sieve and is screened after scouring；
(4) separate：Sedimentation obtains diatomite underflow in subsider；
(5) disk is spread：Upper material frame after diatomite underflow is laid in material disc；
(6) it is quick-frozen：It will be carried out in material frame push-in quick freezing repository quick-frozen；
(7) freeze：Carried out in material push-in vacuum freeze drying cabin after quick-frozen quick-frozen；
(8) crush：Material after will be lyophilized carries out crushing to obtain diatomite dry powder.
Such scheme is improved further, it is further comprising the steps of between step (1) and (2)：
Select：Oversize enters conveyer picker, manually sorts out impurity；
It is broken：Rear raw ore is selected to be crushed；
Magnetic separation：Material and the screenings of step 1 are transferred to magnetic separator and carry out magnetic separation after broken.
Such scheme is improved further, swaging machine described in step (2) is three slot type swaging machines；In step (3)
The spin vibration sieve is double-deck spin vibration sieve；Diatomite underflow concentration described in step (4) is 55%~70%；Step (5) middle berth
Disc thickness is 4~5cm；Quick freezing temperature is -38~-42 DEG C in step (6).
Such scheme is improved further, the lyophilized technique of vacuum freeze drying cabin described in step (7) is ladder
Temperature lifting type temperature curve.
Such scheme is improved further, ladder-elevating temperature formula temperature curve is：
A, room temperature keeps 60~90min, is evacuated within 100Pa；
B, plate temperature is warming up to 40~45 DEG C of 70~90min of holding, vacuum is kept within 100Pa；
C, plate temperature is warming up to 50~55 DEG C of 120~150min of holding, vacuum is kept within 100Pa；
D, plate temperature is warming up to 70~75 DEG C of 80~100min of holding, vacuum is kept within 80Pa；
E, plate temperature is warming up to 80~85 DEG C of 30~50min of holding, vacuum is kept within 40Pa；
F, plate temperature is cooled to 55 DEG C, vacuum is kept within 40Pa, and the gentle temperature of charge of plate is protected in two horizontal parallel lines
Hold vacuum breaker export after 30~40min.
Such scheme is improved further, the condenser temperature of vacuum freeze drying cabin is -38~-42 DEG C；Step f plates
By cooling water forced cooling during temperature drop temperature.
Such scheme is improved further, dispersant is added in diatomite underflow described in step (7).
Such scheme is improved further, dispersant is polyurethane kind, and dosage is diatomite underflow gross weight
0.1%~0.3%.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) water paint of the invention, diatomite dry powder therein are to made from scouring using vacuum freeze-drying method
Diatomite is made after being dried, and through electron microscope observation, the homogeneity and specific surface area of its micropore greatly improve, with reference to
The synergistic effect of titanium dioxide, improves its noise reduction, absorption, adjusting air humidity and the technique effect for removing formaldehyde；It is moreover, more
After the diatomite of cavernous structure freezes, it is easily broken, equal fineness can be crushed to according to the granularity requirements of other auxiliary materials；
(2) water paint of the invention, the granularity requirements of 300~400 mesh of diatomite dry powder, during applied to construction material,
It is consistent with other pulvis, such as the fineness of mountain flour, titanium dioxide, achieve the purpose that to avoid staticly settling；
(3) water paint of the invention, → quick-frozen → lyophilized each step that diatomite is by classification → scouring → screening → separation
Progressive progress, to improve diatomaceous purity and extracting rate, and improves production efficiency, reduces production cost；
(4) water paint of the invention, diatomite ore selects → crushes → magnetic separation the step of, impurity and invalid component are carried
Preceding removing, avoids increasing lyophilized cost；
(5) water paint of the invention, with reference to lyophilized technique feature, selects three slot type swaging machines, wiped in advance respectively →
The step of smart wiping → tail is wiped, while lyophilized cost is reduced, improves finished product extracting rate；Diatomite underflow concentration for 55%~
70%th, it is 4~5cm to spread disc thickness, is the preferred trial scope that inventor takes into account lyophilized cost and finished product extracting rate；Quick freezing temperature
Then it is the optimal quick freezing temperature scope that inventor obtains after testing for -38~-42 DEG C, is diatomite maximum micro ice crystal
The temperature range of band is generated, is laid a good foundation for the generation of uniform micro；
(6) water paint of the invention, ladder-elevating temperature formula temperature curve, with common ladder cooling-down type temperature curve phase
Instead, it is creative crystallization of the inventor with reference to diatomite feature itself, with reference to -38~-42 DEG C of quick freezing temperature, ensure that
The generation of even micropore；
(7) water paint of the invention, ladder-elevating temperature formula temperature curve are described in detail, and are that inventor's combination paving disc thickness is
4~5cm, has further refined ladder-elevating temperature formula temperature curve, ensure that the interior completion when 9 is small of whole technique, further reduces
Production cost；
(8) water paint of the invention, condenser temperature is -38~-42 DEG C, consistent with quick freezing temperature, avoids capture moisture
Secondary distillation；By cooling water forced cooling, distillation latter stage plate heat is avoided to influence micropore more than heat required for distillation
Generation；
(9) water paint of the invention, adds dispersant in diatomite underflow, further improves the homogeneous of micropore generation
Property；
(10) water paint of the invention, dispersant is polyurethane kind, and with reference to diatomite characteristic, polyurethane kind molecule can be with
Penetrate into diatomite micropore, to improve suspension effect.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail.
Embodiment 1
A kind of water paint of the present embodiment, includes the material of following parts by weight：Deionized water 40, transparency emulsion 40, protect
Protect 5% solution 30 of rubber powder, powdered whiting 5, roll-on-type diatom ooze 5, coalescents 0.8, cellulose 0.8 and defoamer 0.3；Institute
Stating roll-on-type diatom ooze includes the material of following parts by weight：Deionized water 30, diatomite powder 20, rubber powder 10, titanium dioxide 1, fibre
Dimension element 1 and white sand powder 2.
Wherein, diatomaceous manufacturing process is as follows：Diatomite ore in diatomite original ore storehouse is fed into belt through batcher
Conveyer, is transported to classifying screen, and oversize enters conveyer picker, by manually sorting out the broken film of branch, plastics, iron wire and ratchel etc.
After debris, diatomite ore feeds crusher, and the screenings of material and classifying screen after crushing feeds magnetic separator by belt conveyor,
Select the diatomite ore after magnetic material and enter surge bunker, then measuring belt conveyer is fed by constant feeder, by diatomite ore
Four groove swaging machines are fed, by adding water in feeding mouth, pulp density is adjusted to 35%~40%, are added in the first groove
NaOH, it is 9~10 to make pH value, and the ore pulp after swaging machine enters thinning tank, adds water, and it is 20%~25% to make concentration, then
Double-deck spin vibration sieve is pumped to by slurry, sieve diameter is respectively 80 mesh and 200 mesh, in screening process, add suitable water with
Screening effect is improved, the material more than 80 mesh is coarse sand, and the material less than 200 mesh flow to surge tank, 200 mesh~80 by pipeline
Purpose intermediate material enters two groove swaging machines, and it is 35%~40% to be added with water to concentration by benefit, is added in the first groove of two grooves
NaOH, it is 9~10 to make pH value, and the ore pulp after swaging machine enters individual layer spin vibration sieve, and sieve diameter is 200 mesh, is being sieving through
Cheng Zhong, adds suitable water, and the oversize more than 200 mesh is fine sand, and screenings enters surge tank, is added in surge tank appropriate
Dispersant, in surge tank through cleaning and fully dispersed diatomite ore pulp is further by sedimentation separation, obtain diatom essence
Soil, diatomite dried again, crush after diatomite powder.After testing, diatom content≤80% of diatomite original ore,
SiO2Content≤80%, Fe3O4Content >=3.04%, specific surface area≤19m of raw ore2/ g, after scouring, uses centrifugal sedimentation
Diatom content >=81%, SiO of the diatomite obtained after sorting is dry2Content >=81%, Fe3O4Content≤1.6%, yield
>=75%, specific surface area >=20m2/g。
A kind of making step of water paint of the present embodiment is：
Step 1: the making of roll-on-type diatom ooze：
A, it is pre-dispersed：30 parts of deionized waters, 1 part of cellulose and 2 parts of white sand powder are sequentially added in high speed dispersor high speed
5 minutes scattered, by circulating cooling water cooling, temperature must not be higher than 30 DEG C；
B, stir：Add 1 part of titanium dioxide and 20 parts of diatomite powder high-speed stirred 10 minutes, rotating speed are not less than 3000r/
Min, until powder stirs evenly, closes down cooling water in whipping process；
C, thicken：Cooling water is opened, adornment temperature, which is fallen after rise to 10 parts of rubber powders of addition at 40 DEG C, to be stirred evenly, and roll-on-type diatom is made
Mud, viscosity number are not less than 120；
Step 2: paint solution makes：By 20 parts of deionized water, 0.3 part of defoamer, 0.8 part of coalescents and 0.8 part of fibre
Dimension element is sequentially added after high speed dispersor high speed disperses, and is sequentially added into 5 parts of powdered whitings, the roll-on-type diatom of step 1
5 parts of high-speed stirreds of mud stir evenly；
Step 3: the making of pre- sol body：20 parts of deionized waters, 30 parts of protection 5% solution of rubber powder are sequentially added at a high speed
In dispersion machine, until stirring evenly；
Step 4: paint solution, pre- sol body and transparency emulsion are taken by 4:4:2 ratio is added in reaction kettle stirs successively
Even water paint to obtain the final product.Sample one is identified as after sampling.
Embodiment 2
A kind of water paint of the present embodiment, includes the material of following parts by weight：Deionized water 36, transparency emulsion 30, protect
Protect 5% solution 40 of rubber powder, powdered whiting 8, roll-on-type diatom ooze 8, coalescents 1.2, cellulose 1.2 and defoamer 0.1；Institute
Stating roll-on-type diatom ooze includes the material of following parts by weight：Deionized water 40, diatomite dry powder 30, rubber powder 20, titanium dioxide 3, fibre
Dimension element 3 and white sand powder 4.
A kind of making step of water paint of the present embodiment is：
Step 1: the manufacturing process of diatomite dry powder is as follows：
(1) it is classified：Diatomite original ore with embodiment 1, through belt conveyor transport by the diatomite ore in diatomite original ore storehouse
It is classified to classifying screen；
(2) select：Oversize enters conveyer picker, manually sorts out impurity；
(3) crush：Rear raw ore is selected to be crushed；
(4) magnetic separation：Material and the screenings of step 1 are transferred to magnetic separator and carry out magnetic separation after broken
(5) clean：The diatomite ore for removing magnetic ore deposit is transferred to swaging machine scouring, and swaging machine is three slot type swaging machines, respectively
For prewash tank, fine purifiation groove and tail washing trough, after wherein prewash tank adds water, pulp density is adjusted to 30% or so, stirring motor rotating speed
For 100 revs/min, and it is 9 to adjust pH value, is rotated 10 minutes or so, carries out mutually cleaning removal using diatomite ore itself particle
The impurity such as sand, soil, are pumped to double-deck spin vibration sieve, sieve diameter is respectively 80 mesh and 200 mesh, in screening process, is added by slurry
Enter suitable water to improve screening effect, more than 80 mesh material for coarse sand as tailings glass, the material less than 200 mesh passes through
Pipeline flow to surge tank, and the intermediate material of the mesh of 200 mesh~80 enters fine purifiation groove swaging machine, is added with water to concentration by mending and is
50%, fine purifiation groove stirring motor rotating speed is 200 revs/min, and adjusts pH value as 8, after rotating 20 minutes or so, then is pumped by slurry
To tail washing trough, pulp density adds water to be adjusted to 40% or so, and tail washing trough stirring motor rotating speed is 150 revs/min, rotates 5 minutes left sides
Behind the right side；
(6) screen：After tail washing trough is cleaned, material is transferred to individual layer spin vibration sieve, sieve diameter is 200 mesh, in screening process
In, suitable water is added, the oversize more than 200 mesh is fine sand, and screenings enters surge tank；
(7) separate：Add suitable dispersant in surge tank, in surge tank through cleaning and fully dispersed diatomite
Ore pulp further by sedimentation separation, obtains diatomite underflow, and diatomite underflow concentration is 55%~70%, the present embodiment
In be 55%；
(8) disk is spread：Upper material frame after diatomite underflow is laid in material disc, paving disc thickness is 5cm；
(9) it is quick-frozen：Will material frame be pushed into quick freezing repository in carry out it is quick-frozen, quick freezing temperature be -42 DEG C；
(10) freeze：Carried out in material push-in vacuum freeze drying cabin after quick-frozen quick-frozen；
(11) crush：Material after will be lyophilized carries out crushing to obtain diatomite dry powder.After testing, the silicon obtained after lyophilization
Diatom content >=86%, SiO of diatomaceous earth dry powder2Content >=86%, Fe3O4Content≤1.0%, yield >=89%, specific surface area >=
29m2/g.Through electron microscope observation, its homogeneity and specific surface area greatly improve, and then improve its noise reduction, absorption, adjusting
Air humidity and the technique effect for removing formaldehyde.
Step 2: the making of roll-on-type diatom ooze：
A, it is pre-dispersed：40 parts of deionized waters, 3 parts of celluloses and 4 parts of white sand powder are sequentially added in high speed dispersor high speed
5 minutes scattered, by circulating cooling water cooling, temperature must not be higher than 30 DEG C；
B, stir：30 parts of the diatomite dry powder high-speed stirred 10 minutes of 3 parts of titanium dioxides and step 1 is added, rotating speed is not less than
3000r/min, until powder stirs evenly, closes down cooling water in whipping process；
C, thicken：Cooling water is opened, adornment temperature, which is fallen after rise to 20 parts of rubber powders of addition at 40 DEG C, to be stirred evenly, and roll-on-type diatom is made
Mud, viscosity number are not less than 120；
Step 3: paint solution makes：By 18 parts of deionized water, 0.1 part of defoamer, 1.2 parts of coalescents and 1.2 parts of fibres
Dimension element is sequentially added after high speed dispersor high speed disperses, and is sequentially added into 8 parts of powdered whitings, the roll-on-type diatom of step 2
8 parts of high-speed stirreds of mud stir evenly；
Step 4: the making of pre- sol body：18 parts of deionized waters, 40 parts of protection 5% solution of rubber powder are sequentially added at a high speed
In dispersion machine, until stirring evenly；
Step 5: paint solution, pre- sol body and transparency emulsion are taken by 4:4:2 ratio is added in reaction kettle stirs successively
Even water paint to obtain the final product.Sample two is identified as after sampling.
Embodiment 3
A kind of water paint of the present embodiment, basic step are different and the improvement is that with embodiment 2：Including following
The material of parts by weight：Deionized water 40, transparency emulsion 35,5% solution 35 of protection rubber powder, powdered whiting 7, roll-on-type diatom ooze
7th, coalescents 1.0, cellulose 1.0 and defoamer 0.2；The roll-on-type diatom ooze includes the material of following parts by weight：Go from
Sub- water 35, diatomite dry powder 25, rubber powder 15, titanium dioxide 2, cellulose 2 and white sand powder 3.
A kind of making step of water paint of the present embodiment is：
Step 1: the manufacturing process of diatomite dry powder is as follows：
(1) it is classified：Diatomite original ore with embodiment 1, through belt conveyor transport by the diatomite ore in diatomite original ore storehouse
It is classified to classifying screen；
(2) select：Oversize enters conveyer picker, manually sorts out impurity；
(3) crush：Rear raw ore is selected to be crushed；
(4) magnetic separation：Material and the screenings of step 1 are transferred to magnetic separator and carry out magnetic separation after broken
(5) clean：The diatomite ore for removing magnetic ore deposit is transferred to swaging machine scouring, and swaging machine is three slot type swaging machines, respectively
For prewash tank, fine purifiation groove and tail washing trough, after wherein prewash tank adds water, pulp density is adjusted to 30% or so, stirring motor rotating speed
For 100 revs/min, and it is 9 to adjust pH value, is rotated 10 minutes or so, carries out mutually cleaning removal using diatomite ore itself particle
The impurity such as sand, soil, are pumped to double-deck spin vibration sieve, sieve diameter is respectively 80 mesh and 200 mesh, in screening process, is added by slurry
Enter suitable water to improve screening effect, more than 80 mesh material for coarse sand as tailings glass, the material less than 200 mesh passes through
Pipeline flow to surge tank, and the intermediate material of the mesh of 200 mesh~80 enters fine purifiation groove swaging machine, is added with water to concentration by mending and is
50%, fine purifiation groove stirring motor rotating speed is 200 revs/min, and adjusts pH value as 8, after rotating 20 minutes or so, then is pumped by slurry
To tail washing trough, pulp density adds water to be adjusted to 40% or so, and tail washing trough stirring motor rotating speed is 150 revs/min, rotates 5 minutes left sides
Behind the right side；
(6) screen：After tail washing trough is cleaned, material is transferred to individual layer spin vibration sieve, sieve diameter is 200 mesh, in screening process
In, suitable water is added, the oversize more than 200 mesh is fine sand, and screenings enters surge tank；
(7) separate：Diatomite underflow concentration is 70%；
(8) disk is spread：Paving disc thickness is 4cm；
(9) it is quick-frozen：Quick freezing temperature is -38 DEG C；
(10) lyophilized technique of middle vacuum freeze drying cabin is ladder-elevating temperature formula temperature curve in freezing：
A, room temperature keeps 60min, is evacuated within 100Pa；
B, plate temperature is warming up to 45 DEG C of holding 90min, vacuum is kept within 100Pa；
C, plate temperature is warming up to 55 DEG C of holding 120min, vacuum is kept within 100Pa；
D, plate temperature is warming up to 70 DEG C of holding 100min, vacuum is kept within 80Pa；
E, plate temperature is warming up to 85 DEG C of holding 30min, vacuum is kept within 40Pa；
F, plate temperature is cooled to 55 DEG C, vacuum is kept within 40Pa, and the gentle temperature of charge of plate is protected in two horizontal parallel lines
Hold vacuum breaker export after 40min.
(11) crush：Material after will be lyophilized carries out crushing to obtain diatomite dry powder, after testing, the silicon obtained after lyophilization
Diatom content >=86%, SiO of diatomaceous earth dry powder2Content >=86%, Fe3O4Content≤1.0%, yield >=89%, specific surface area >=
33m2/g。
Step 2: the making of roll-on-type diatom ooze：
A, it is pre-dispersed：Deionized water, cellulose and white sand powder is sequentially added in high speed dispersor high speed to disperse 5 minutes,
By circulating cooling water cooling, temperature must not be higher than 30 DEG C；
B, stir：Titanium dioxide and diatomite dry powder high-speed stirred 18 minutes are added, rotating speed be not less than 3000r/min, up to
Powder stirs evenly, and cooling water is closed down in whipping process；
C, thicken：Cooling water is opened, adornment temperature, which is fallen after rise to addition rubber powder at 40 DEG C, to be stirred evenly, and water paint, viscosity number is made
Not less than 120.
Step 3: paint solution makes：By 20 parts of deionized water, 0.2 part of defoamer, 1.0 parts of coalescents and 1.0 parts of fibres
Dimension element is sequentially added after high speed dispersor high speed disperses, and is sequentially added into 7 parts of powdered whitings, the roll-on-type diatom of step 2
7 parts of high-speed stirreds of mud stir evenly；
Step 4: the making of pre- sol body：20 parts of deionized waters, 35 parts of protection 5% solution of rubber powder are sequentially added at a high speed
In dispersion machine, until stirring evenly；
Step 5: paint solution, pre- sol body and transparency emulsion are taken by 4:4:2 ratio is added in reaction kettle stirs successively
Even water paint to obtain the final product.Sample three is identified as after sampling.
After testing, a kind of water paint of the present embodiment, after interior decoration, has very strong reduction noise work(
Can, it can effectively absorb harmful high frequency segment, and low frequency of decaying is made an uproar function.Its effect is equivalent to condition of equivalent thickness
More than 3 times of cement mortar and slabstone, while can shorten for 80% reverb time, noise has been greatly reduced to the person
Harm, can create a quiet sleep environment.Since the pyroconductivity of diatomite dry powder is very low, is preferably to protect in itself
Warm heat-barrier material, has extraordinary thermal and insulating performance, its heat insulation is 8 times of condition of equivalent thickness cement mortar, moreover, its
Unique " molecular sieve " structure is strengthened, and can be produced after the moisture in touching air " water fall effect ", so that constantly
Discharge the negative oxygen ion beneficial to human body.
Embodiment 4
A kind of water paint of the present embodiment, basic recipe is with embodiment 3, and basic step is the same as embodiment 3, different and improvement
Part is：
Roll-on-type diatom ooze in the present embodiment includes the material of following parts by weight：Deionized water 35, diatomite dry powder 25,
Rubber powder 15, titanium dioxide 2, cellulose 1 and white sand powder 4；Wherein, the manufacturing process of diatomite dry powder is as follows：
(1) it is classified：Diatomite original ore with embodiment 1, through belt conveyor transport by the diatomite ore in diatomite original ore storehouse
It is classified to classifying screen；
(2) select：Oversize enters conveyer picker, manually sorts out impurity；
(3) crush：Rear raw ore is selected to be crushed；
(4) magnetic separation：Material and the screenings of step 1 are transferred to magnetic separator and carry out magnetic separation after broken
(5) clean：The diatomite ore for removing magnetic ore deposit is transferred to swaging machine scouring, and swaging machine is three slot type swaging machines, respectively
For prewash tank, fine purifiation groove and tail washing trough, after wherein prewash tank adds water, pulp density is adjusted to 30% or so, stirring motor rotating speed
For 100 revs/min, and it is 9 to adjust pH value, is rotated 10 minutes or so, carries out mutually cleaning removal using diatomite ore itself particle
The impurity such as sand, soil, are pumped to double-deck spin vibration sieve, sieve diameter is respectively 80 mesh and 200 mesh, in screening process, is added by slurry
Enter suitable water to improve screening effect, more than 80 mesh material for coarse sand as tailings glass, the material less than 200 mesh passes through
Pipeline flow to surge tank, and the intermediate material of the mesh of 200 mesh~80 enters fine purifiation groove swaging machine, is added with water to concentration by mending and is
50%, fine purifiation groove stirring motor rotating speed is 200 revs/min, and adjusts pH value as 8, after rotating 20 minutes or so, then is pumped by slurry
To tail washing trough, pulp density adds water to be adjusted to 40% or so, and tail washing trough stirring motor rotating speed is 150 revs/min, rotates 5 minutes left sides
Behind the right side；
(6) screen：After tail washing trough is cleaned, material is transferred to individual layer spin vibration sieve, sieve diameter is 200 mesh, in screening process
In, suitable water is added, the oversize more than 200 mesh is fine sand, and screenings enters surge tank；
(7) separate：Diatomite underflow concentration is 68%；
(8) disk is spread：Paving disc thickness is 4.5cm；
(9) it is quick-frozen：Quick freezing temperature is -38 DEG C；
(10) lyophilized technique of vacuum freeze drying cabin is ladder-elevating temperature formula temperature curve in：
A, room temperature keeps 60min, is evacuated within 100Pa；
B, plate temperature is warming up to 45 DEG C of holding 90min, vacuum is kept within 100Pa；
C, plate temperature is warming up to 55 DEG C of holding 120min, vacuum is kept within 100Pa；
D, plate temperature is warming up to 70 DEG C of holding 100min, vacuum is kept within 80Pa；
E, plate temperature is warming up to 85 DEG C of holding 30min, vacuum is kept within 40Pa；
F, plate temperature is cooled to 55 DEG C, vacuum is kept within 40Pa, and the gentle temperature of charge of plate is protected in two horizontal parallel lines
Hold vacuum breaker export after 40min.
After testing, diatom content >=86%, SiO of the diatomite dry powder obtained after lyophilization2Content >=86%, Fe3O4
Content≤1.0%, yield >=89%, specific surface area >=35m2/g。
The making step of roll-on-type diatom ooze is：
A, it is pre-dispersed：Deionized water, cellulose and white sand powder is sequentially added in high speed dispersor high speed to disperse 5 minutes,
By circulating cooling water cooling, temperature must not be higher than 30 DEG C；
B, stir：Titanium dioxide and diatomite dry powder high-speed stirred 18 minutes are added, rotating speed be not less than 3000r/min, up to
Powder stirs evenly, and cooling water is closed down in whipping process；
C, thicken：Cooling water is opened, adornment temperature, which is fallen after rise to addition rubber powder at 40 DEG C, to be stirred evenly, and water paint, viscosity number is made
Not less than 120.
A kind of water paint of the present embodiment, the roll-on-type diatom ooze in the present embodiment is added by the step of embodiment 3
After processing, sampling four.
Embodiment 5
A kind of water paint of the present embodiment, the diatomite original ore in the present embodiment make with embodiment 2, diatomite dry powder
Basic step with embodiment 4, it is different and the improvement is that：
(7) separate：Diatomite underflow concentration is 60%；
(8) disk is spread：Paving disc thickness is 4.5cm；
(9) it is quick-frozen：Quick freezing temperature is -40 DEG C；
(10) lyophilized technique of vacuum freeze drying cabin is ladder-elevating temperature formula temperature curve in freezing：
A, room temperature keeps 90min, is evacuated within 100Pa；
B, plate temperature is warming up to 40 DEG C of holding 70min, vacuum is kept within 100Pa；
C, plate temperature is warming up to 50 DEG C of holding 150min, vacuum is kept within 100Pa；
D, plate temperature is warming up to 75 DEG C of holding 80min, vacuum is kept within 80Pa；
E, plate temperature is warming up to 80 DEG C of holding 50min, vacuum is kept within 40Pa；
F, by plate temperature by cooling water forced cooling to 55 DEG C, vacuum is kept within 40Pa, and the gentle temperature of charge of plate is in two
Horizontal parallel line keeps vacuum breaker export after 30min.
(11), the material after will be lyophilized carries out crushing to obtain diatomite dry powder, and fineness is 300~400 mesh.
After testing, specific surface area >=35m of the diatomite dry powder obtained after lyophilization2/g。
A kind of other making steps of water paint of the present embodiment sample five with embodiment 4.
Embodiment 6
A kind of water paint of the present embodiment, for diatomite original ore with embodiment 1, the basic step that diatomite dry powder makes is same
Embodiment 5 is different and the improvement is that：Dispersant is added described in step (7) in diatomite underflow, dispersant is poly- ammonia
Lipid, dosage are the 0.1%~0.3% of diatomite underflow gross weight, and with reference to diatomite characteristic, polyurethane kind molecule can penetrate into
Into diatomite micropore, to improve suspension effect, avoid it is quick-frozen during layering.
A kind of making step of water paint of the present embodiment samples six with embodiment 4.
Embodiment 7
Obtained water paint in above example 1,2,3,4,5,6 is taken, is classified as sample one respectively to sample six, round brush to ceramics
The same thickness, then turns on climate box hatch door, the density board of one piece of release formaldehyde has been put in the inside in advance, and has surveyed on plate
It is 1.84mg/m to obtain concentration of formaldehyde initial after balancing3, then the ceramic wafer for coating water paint is put in, closing chamber
Door, when wait 48 is small silently or even when 96 is small, the concentration of formaldehyde of the inside is looked in what kind of change can occur：
It can be apparent from by above contrast table, use the diatomite dry powder of sample two made from lyophilized technique to sample six should
After water paint, its formaldehyde removal rate has clear improvement than sample one, moreover, having obvious removal saturation with sample one, (96 is small
Shi Hou, residues of formaldehyde rise on the contrary) the problem of spending, sample two to sample six is interior without the feelings for producing adsorption saturation at least when 96 is small
Condition.
Above schematically to the present invention and embodiments thereof be described, this describe it is no restricted, in embodiment
Shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if this area it is common
Technical staff is enlightened by it, without departing from the spirit of the invention, is not inventively designed and the technical side
The similar frame mode of case and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of water paint, it is characterised in that include the material of following parts by weight：Deionized water 36~40, transparency emulsion 30
~40, protect rubber powder 5% solution 30~40, powdered whiting 5~8, roll-on-type diatom ooze 5~8, coalescents 0.8~1.2,
Cellulose 0.8~1.2 and defoamer 0.1~0.3；The roll-on-type diatom ooze includes the material of following parts by weight：Deionized water
30~40, diatomite dry powder 20~30, rubber powder 10~20, titanium dioxide 1~2, cellulose 1~2 and white sand powder 2~4；Wherein, institute
It is to clean to be made using diatomite ore to state diatomite dry powder, by sedimentation separation after diatomite ore scouring, obtains diatomite, institute
State diatomite and diatomite dry powder is made after vacuum freeze-drying method is dried again.
2. a kind of water paint according to claim 1, it is characterised in that its making step is：
Step 1: the making of roll-on-type diatom ooze：
A, it is pre-dispersed：Deionized water, cellulose and white sand powder is sequentially added in high speed dispersor high speed to disperse；
B, stir：Add titanium dioxide and diatomite dry powder high-speed stirred；
C, thicken：Rubber powder is added when temperature is fallen after rise and stirs evenly obtained roll-on-type diatom ooze；
Step 2: paint solution makes：Deionized water, defoamer, coalescents and cellulose are sequentially added high in high speed dispersor
After speed is scattered, powdered whiting is sequentially added into, the roll-on-type diatom ooze high-speed stirred of step 1 stirs evenly；
Step 3: the making of pre- sol body：Deionized water, protection 5% solution of rubber powder are sequentially added in high speed dispersor, until
Stir evenly；
Stirred evenly Step 4: taking paint solution, pre- sol body and transparency emulsion to be added to successively in reaction kettle in proportion up to water-based
Coating.
A kind of 3. water paint according to claim 2, it is characterised in that：During the step A high speed dispersions of step 1, temperature
30 DEG C must not be higher than；Step B rotating speeds are not less than 3000r/min, until powder stirs evenly；Step C temperature falls back to 40~45 DEG C；Step
Proportions are 4 in rapid four:4:2.
4. a kind of water paint according to claim 2, it is characterised in that the diatomite dry powder passes through following steps system
It is standby：
(1) it is classified：Diatomite ore in diatomite original ore storehouse is transported to classifying screen through belt conveyor and is classified；
(2) clean：The diatomite ore for removing magnetic ore deposit is transferred to swaging machine scouring；
(3) screen：Material is transferred to spin vibration sieve and is screened after scouring；
(4) separate：Sedimentation obtains diatomite underflow in subsider；
(5) disk is spread：Upper material frame after diatomite underflow is laid in material disc；
(6) it is quick-frozen：It will be carried out in material frame push-in quick freezing repository quick-frozen；
(7) freeze：Carried out in material push-in vacuum freeze drying cabin after quick-frozen quick-frozen；
(8) crush：Material after will be lyophilized carries out crushing to obtain diatomite dry powder.
A kind of 5. water paint according to claim 4, it is characterised in that：Further included between the step (1) and (2) with
Lower step：
Select：Oversize enters conveyer picker, manually sorts out impurity；
It is broken：Rear raw ore is selected to be crushed；
Magnetic separation：Material and the screenings of step 1 are transferred to magnetic separator and carry out magnetic separation after broken.
A kind of 6. water paint according to claim 4, it is characterised in that：Swaging machine described in step (2) is three slot types
Swaging machine；Spin vibration sieve described in step (3) is double-deck spin vibration sieve；Diatomite underflow concentration described in step (4) for 55%~
70%；Step (5) middle berth disc thickness is 4~5cm；Quick freezing temperature is -38~-42 DEG C in step (6).
7. according to a kind of any water paint of claim 4 to 6, it is characterised in that：Vacuum refrigeration described in step (7)
The lyophilized technique of dryness storehouse is ladder-elevating temperature formula temperature curve.
A kind of 8. water paint according to claim 7, it is characterised in that：The ladder-elevating temperature formula temperature curve is：
A, room temperature keeps 60~90min, is evacuated within 100Pa；
B, plate temperature is warming up to 40~45 DEG C of 70~90min of holding, vacuum is kept within 100Pa；
C, plate temperature is warming up to 50~55 DEG C of 120~150min of holding, vacuum is kept within 100Pa；
D, plate temperature is warming up to 70~75 DEG C of 80~100min of holding, vacuum is kept within 80Pa；
E, plate temperature is warming up to 80~85 DEG C of 30~50min of holding, vacuum is kept within 40Pa；
F, plate temperature is cooled to 55 DEG C, vacuum is kept within 40Pa, and the gentle temperature of charge of plate keeps 30 in two horizontal parallel lines
Vacuum breaker export after~40min.
A kind of 9. water paint according to claim 8, it is characterised in that：The condenser temperature of the vacuum freeze drying cabin
For -38~-42 DEG C；By cooling water forced cooling during step f plate temperature drop temperature.
A kind of 10. water paint according to claim 8, it is characterised in that：Described in step (7) in diatomite underflow
Dispersant is added, the dispersant is polyurethane kind, and dosage is the 0.1%~0.3% of diatomite underflow gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381431.7A CN107936844B (en) | 2017-12-20 | 2017-12-20 | Water-based paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381431.7A CN107936844B (en) | 2017-12-20 | 2017-12-20 | Water-based paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107936844A true CN107936844A (en) | 2018-04-20 |
| CN107936844B CN107936844B (en) | 2020-05-08 |
Family
ID=61941337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381431.7A Active CN107936844B (en) | 2017-12-20 | 2017-12-20 | Water-based paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107936844B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154341A (en) * | 2020-01-17 | 2020-05-15 | 美巢集团股份公司 | Water-based composite slurry and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497444A (en) * | 2009-03-04 | 2009-08-05 | 中国科学院广州能源研究所 | Method for preparing nano polyporous material with large specific surface area by vacuum freeze-drying process |
| CN101596490A (en) * | 2008-06-05 | 2009-12-09 | 中国矿业大学(北京) | A kind of dried, the integrated ore-dressing technique of wet method of diatomite ore |
| CN102584147A (en) * | 2012-03-13 | 2012-07-18 | 湖南金煌硅藻泥新材料有限公司 | Method for preparing roll-coating type diatom ooze environment-friendly inner-wall coating |
| CN102744145A (en) * | 2012-06-18 | 2012-10-24 | 中国矿业大学(北京) | Scrubbing process for diatomaceous earth ores |
| CN102757710A (en) * | 2012-06-01 | 2012-10-31 | 安徽省金盾涂料有限责任公司 | Water paint |
| CN105860681A (en) * | 2016-05-09 | 2016-08-17 | 江苏建中能源科技有限公司 | Heat-insulating waterproof coating and preparation method thereof |
-
2017
- 2017-12-20 CN CN201711381431.7A patent/CN107936844B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596490A (en) * | 2008-06-05 | 2009-12-09 | 中国矿业大学(北京) | A kind of dried, the integrated ore-dressing technique of wet method of diatomite ore |
| CN101497444A (en) * | 2009-03-04 | 2009-08-05 | 中国科学院广州能源研究所 | Method for preparing nano polyporous material with large specific surface area by vacuum freeze-drying process |
| CN102584147A (en) * | 2012-03-13 | 2012-07-18 | 湖南金煌硅藻泥新材料有限公司 | Method for preparing roll-coating type diatom ooze environment-friendly inner-wall coating |
| CN102757710A (en) * | 2012-06-01 | 2012-10-31 | 安徽省金盾涂料有限责任公司 | Water paint |
| CN102744145A (en) * | 2012-06-18 | 2012-10-24 | 中国矿业大学(北京) | Scrubbing process for diatomaceous earth ores |
| CN105860681A (en) * | 2016-05-09 | 2016-08-17 | 江苏建中能源科技有限公司 | Heat-insulating waterproof coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154341A (en) * | 2020-01-17 | 2020-05-15 | 美巢集团股份公司 | Water-based composite slurry and preparation method thereof |
| CN111154341B (en) * | 2020-01-17 | 2022-05-17 | 美巢集团股份公司 | Water-based composite slurry and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107936844B (en) | 2020-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101870474B (en) | Method for preparing quartz sand concentrate by mineral separation of desert aeolian sand | |
| CN101885489B (en) | Method for preparing feldspar powder concentrate by mineral separation of aeolian sand in desert | |
| CN101705076B (en) | Method for producing green silicon carbide FEPA F P | |
| CN102320748B (en) | Production process for processing ultrawhite sand from marine sedimentation type natural quartz sand | |
| CN109319802B (en) | Production process of ultrathin synthetic mica powder for pearlescent material | |
| WO2022057227A1 (en) | Illite, preparation method therefor and use thereof | |
| CN107902685B (en) | A kind of no grinding aid wet-milling, slurry grading system for superfine heavy calcium carbonate technique | |
| CN106829985A (en) | A kind of method of the synthetical recovery of sandy kaoline containing mica | |
| CN107936674A (en) | A kind of processing technology of parian water paint | |
| CN107936844A (en) | A kind of water paint | |
| CN113845118A (en) | Preparation method for improving compressive strength of quartz sand proppant for fracturing | |
| CN108033713A (en) | A kind of manufacture craft of water paint | |
| CN109665535A (en) | One kind being directed to the bentonitic method of purification of middle-low grade | |
| CN108084882A (en) | A kind of parian water paint | |
| CN108114806B (en) | A kind of diatomite dry powder | |
| CN107999269B (en) | A kind of preparation method of diatomite dry powder | |
| CN107963835A (en) | A kind of roll-on-type diatom ooze | |
| CN107987729A (en) | One species granite water paint | |
| CN108046668A (en) | A kind of processing method of roll-on-type diatom ooze | |
| CN108084883A (en) | The processing technology of one species granite water paint | |
| CN103263963A (en) | Wet-to-dry dispersant-free method for producing ultrafine nanoscale dry powder and involved device | |
| CN106819794B (en) | Production process of physically-de-aspergillus flavus rice dumpling flour | |
| CN102773149A (en) | Dressing and purification method of powder quartz | |
| CN102863546A (en) | Production technology of fenumgreek gum | |
| CN109354030B (en) | Impurity-removing and fine-selecting method for potassium feldspar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |