CN109734398A - A kind of environmental protection lime white building decoration materials and preparation method thereof - Google Patents
A kind of environmental protection lime white building decoration materials and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of environmentally friendly lime white building decoration materials and preparation method thereof, it is with white lime, powdered whiting, modified cellulose, vegetable oil, animal glue or microbiological gum etc. for main raw material(s), by being pre-processed to modified cellulose, vegetable oil and animal glue etc., preparation can substitute plaster in traditional building material, the new decorative material of inner, external wall coating simultaneously.Specific steps include: after quick lime carries out maturation process, to add vegetable oil, modified cellulose and animal glue or the pre- paste liquid of microbiological gum, squeezed out by double screw extruder, in 20-50 DEG C heat preservation 20-40 days, obtain environmentally friendly lime white building decoration materials.Products obtained therefrom caking property is good, no cracking, brushing surface are bright and clean.Prepared by the present invention is free of heavy metal and formaldehyde in component, be Green environmental-protection building material.
Description
Technical field
The present invention relates to architectural decoration material fields, and in particular to a kind of environmental protection lime white building decoration materials and its preparation
Method.
Background technique
Construction material is ubiquitous in the environment of human lives, and the safe and environment-friendly performance of construction material used directly determines
People life actual environment.Wherein interior is the main place of mankind's activity, about 70% or more time mankind's activity
It is to spend indoors, the time of infant and the old and the weak handicapped person indoors is longer.Room air pollution is considered as after 18th century work
(second dirty for photochemical pollution caused by industry revolution smoke pollution (first generation pollution) and 19th century petroleum and auto industry
Dye) after by 20 middle of century the third generation pollute, wherein formaldehyde pollution stands in the breach.Indoor formaldehyde is mainly derived from
Construction material, furniture, artificial board, various binder coating and synthesis textile etc..Low-methoxyl aldehyde or even formaldehydeless finishing are built
Build the extensive concern that material causes people.
Lime is one kind using calcium oxide as main component, using calcium carbonate contents such as lime stone, dolomite, chalk, shells
High product is calcined through 900~1100 DEG C.The building cementing material that lime uses earliest as the mankind, the whole world all
It has a wide range of applications.Lump lime powder obtained from appropriate water cure is known as white lime, when aging water amount is larger
When (about 3-4 times of quick lime volume), need in storage ashpit " ageing " at least two weeks, it is old to eliminate the harm of excessive fire lime
Changing the paste that precipitating obtains is lime paste, and both this main component is all Ca (OH)2, can be used as coating material and brick and tile be viscous
Mixture.Lime has direct use in terms of modern ash modeling, historical relic reparation at present, and in building trade, milk of lime is mainly used for wanting
Seek not high interior painting.It can be configured to lime mortar or cement and lime mixed mortar using lime paste or slaked lime powder, be used for
Plastering and masonry.
But lime white is used as building coating there is also drawback, condensation setting rate is slow, intensity is low, poor water resistance, does
It is dry to shrink greatly, therefore in addition to painting, it should not be used alone.In addition the various working conditions such as environment temperature, humidity, climate change
The calcium carbonate layer of the densification will be caused to generate certain crack phenomenon, to directly influence building decoration face wall appearance.
The salt of 1-7% is added in the most traditional technique of China usually in lime white, improves the water suction of slurry by NaCl
Property, carbonisation is mitigated, increases the finish on surface, to reduce the cracking problem of surface layer calcium carbonate layer.
Ancient method tradition tung oil-lime mortar is small and not soluble in water using boiled wood oil density ratio lime density, therefore can be in table
Layer forms waterproof layer, is conducive to mortar moisture evaporation control, and regulation calcium carbonate tiny crystals are formed, and improves the mechanics of binding material
Performance.This method is widely used in ancient times grave, water conservancy and city wall engineering, takes full advantage of its intensity height, anti-permeability, durable
Property advantage, but currently largely using in cement mortar field, similarly there is surface layer cracking etc. using this kind of material and asking
Topic.Fang et al., which discloses tung oil by the principle of solidification that ancient times mortar and laboratory analog system study tung oil mortar, improves mortar
The principle that caking property and waterproofness are promoted.Chen Peihang and Zhao Peng is for tung oil/lime white relative to the aobvious of common lime slurry performance
It writes and is promoted.
In Chinese tradition ash moulding material, by the way that brown sugar or brown sugar, glutinous rice flour etc. is added, increase the viscosity of slurry, benefit
With the sugar calcium of formation, improve the consistency and calcium carbonate forming process of lime slurry.Professor Zhang Bingjian etc. is to Chinese tradition glutinous rice ash
Slurry has conducted extensive research and analyzes its its action principle.The brown sugar such as Zhang Bingjian mortar and egg white mortar are research object, are inquired into
The influence and the mechanism of action of sugar and egg white to mortar performance, it is indicated that 2% cane sugar content water-reducing effect just reaches 20% or more, energy
The risk of mortar dry shrinkage and cracking is effectively reduced.Egg white there is thickening, raising caking property, self-reparing capability and reduction to open lime white
The effect for splitting risk, compression strength and surface hardness to mortar have certain negative effect.
Hemp hemp cut reinforcement is added in lime white, is a kind of preferable metope method of modifying, Wudang Mountain Taoist temple, Temple of Confucius Qufu
Library of the Confucian Family etc. Ming Dynasty building all adopts this method." paper strip mixed lime mortar ", " cotton mortar ", " wheat rice straw ", caustic soda toilet paper, ultrawhite paper
The natural plant fibres such as muscle, beautiful button paper are used as the reinforcement material of lime white construction material, increase intensity in its slurry, Ke Yi
The cracking problem of calcium carbonate surface is prevented to a certain extent.
It obtains animal blood in addition, Zhang Kun et al. reviews research both at home and abroad there is aerating, diminishing, waterproof, smooth to mortar
And the effects of freedom from cracking.
In above-mentioned various methods, the problems such as cooperating with lime white to improve its intensity and cracking, selected raw material were all taken
From natural, there is environment-friendly advantage；But raw material are derived from nature and can have the phenomenon that differing greatly between different batches, so that its
With lower stability, do not have advantage in the production of high-volume construction material.Huang is vertical new etc. to propose that a kind of cellulose is used
In the method for preparation ash modeling paper strip mixed lime mortar material, the method for being used to prepare ash modeling paper strip mixed lime mortar material using cellulose, with cellulose, fibre
Tieing up plain derivative is to increase muscle Tackifier materials, and the paper strip mixed lime mortar material of grey modeling is prepared instead of the handmade paper of beautiful button paper, ingot paper；In turn
A kind of method that fiber substance is used to prepare grey moulding material is proposed, the chemical fibre material that may relate to is replaced into tradition
The paper strip mixed lime mortar material that grey modeling is prepared instead of the handmade paper of beautiful button paper, ingot paper, has expanded such raw materials range of choice, has changed
Into Chinese tradition ash molding product and its technique.
Lime white is used for modem architectural ornament field, needs to consider raw material environmental protection, preparation is simple, can stable mass
Preparation problem.Therefore, it chooses chemical materials and replaces natural material, environment protection architecture new material is developed using chemical products
It has very important significance.
Summary of the invention
In place of the above shortcoming and defect of the existing technology, the primary purpose of the present invention is that providing a kind of environmental protection
The method of lime white building decoration materials and the environmentally friendly lime white building decoration materials being prepared by this method, to solve
Material is derived from natural material, is not suitable for the problem of stable mass preparation in the prior art.
The object of the invention is achieved through the following technical solutions:
A kind of preparation method of Environmental-friendconstruction construction decoration material, the specific steps of which are as follows:
1) it cures: by quick lime grinding and sieving, removing big particle and impurity is placed in reactive tank, 3.0-6.0 is added
The water of times parts by weight, stirs evenly, and cures 36-48 hours, obtains white lime slurries；White lime slurries are carried out to stablize separation behaviour
Make, controls and stablize reaction temperature at 50 DEG C -75 DEG C, take upper layer limewash spare；
2) modified cellulose, vegetable oil, animal glue or microbiological gum pretreatment: quick lime parts by weight 0.5-3% is weighed
Modified cellulose, the animal glue of quick lime parts by weight 1.0-5.0% or the vegetable oil of microbiological gum and 0.5-3.0% mix
Close and part steps 1 uniformly be added) described in saturated limewater, 40-60 DEG C is warming up to, after stirring homogenizing, in 40 DEG C of heat preservation 6-10
Modified cellulose, vegetable oil, animal glue or microbiological gum Curing material are obtained after hour；
3) powdered whiting of quick lime parts by weight 5-30%, 2-10% powdered whiting and calcium bicarbonate allotment: are weighed
Calcium bicarbonate, remaining saturated limewater in step 2) is added after mixing and stirs to get lime white pre-composition；
4) high-speed vacuum mixes: modified cellulose, vegetable oil described in step 2), animal glue or microbiological gum are cured
Lime white pre-composition described in material and step 3), which is placed in high-speed mixer, to be mixed, and is vacuumized latter heat-insulation pressure keeping 6-18 hours, is obtained
To mixed slurry；
5) it is aged: mixed slurry described in step 4) being squeezed out by double screw extruder, and in 20-50 DEG C of heat preservation 20-
40 days, obtain environmentally friendly lime white building decoration materials.
Compared with the existing technology, the present invention with white lime, powdered whiting, modified cellulose, vegetable oil, animal glue or
Microbiological gum etc. is main raw material(s), and by pre-processing to modified cellulose, vegetable oil and animal glue etc., preparation can be simultaneously
Substitute plaster in traditional building material, the new decorative material of inner, external wall coating；Using chemical products instead of in traditional handicraft
Natural material, materials environmental protection and quality stablize, be suitable for industrial mass stablize preparation.
Preferably, for the content of calcium oxide in 85-95%, fineness is 200-500 mesh in the step 1) calcium lime powder；Pass through
The content and fineness of calcium oxide in calcium lime powder are screened, are conducive to remove big particle and impurity, to realize to rear
The regulation of continuous lime slurry viscosity.
Preferably, the step 2) modified cellulose includes but is not limited to carboxymethyl cellulose, carboxy-propyl cellulose, hydroxyl
Ethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose, converted starch cream alkali process starch, bleaching starch, oxidation
Two or more in starch, Starch acetate；The modified cellulose generally uses two kinds and two or more cooperations
It uses, two kinds of modified celluloses joined together, generally carboxycellulose are mixed or hydroxylated cellulose is mixed, or modified shallow lake
Powder is mixed, can be that variety classes modified cellulose is mixed or same cellulose, different molecular weight it is mixed；The modification
Cellulose viscosity is ten thousand centipoise of 1-20；It is arranged in pairs or groups by the type of modified cellulose, while regulating and controlling viscosity proportion, improve gained slurry
Mobility.
Preferably, the step 2) vegetable oil be one of tung oil, castor oil, palm oil, olive oil or more than one；
Improve the evaporation rate of moisture in lime white by the way that vegetable oil is added, and form oil film on lime white surface, regulates and controls thinner carbonic acid
The formation of calcium crystal forms smooth surface.
Preferably, the step 2) animal glue is gelatin, gelatine, hide glue, casein, xanthan gum, gum arabic, Guar
One of bean gum glue or more than one；Depending on the molecular weight of glue used, the molecular weight the high, and the additive amount selected is fewer；
A viscosity modifier by addition animal glue as modified cellulose glues different substrate materials to finally increase lime white
Attached property.
Preferably, the mesh number of the step 3) powdered whiting is 200-2000 mesh, purity 95-98%；Heavy carbonic acid
Calcium can utilize the effect of tiny calcium carbonate, as Crystallization effect in crystal seed improvement white lime after use carbonisation.
Preferably, step 3) the calcium bicarbonate mesh number is 200-2000 mesh, purity 90-95%；Calcium bicarbonate is being moulded
Change in product carbonisation, reacted with white lime, release carbon dioxide, promote the exclusion of heat, forms minute gas channel,
Improve the effect and speed of carbonization.
Preferably, in powdered whiting described in step 3) and calcium bicarbonate allocation process, calcium bicarbonate is point 2-6 batches etc.
Amount is added, so that mixing is more uniform.
Preferably, the velocity interval of the step 4) mixed at high speed is 30-300r/min；It can be guaranteed by mixed at high speed
The uniform mixing and gelatinization of slurry each component.
A kind of environmental protection lime white building decoration materials, are prepared by the above method.
Preferably, the Aging Temperature of the environmentally friendly lime white building decoration materials is 20-50 DEG C, when making full use of curing
While itself generates heat, uniformity is controlled, appropriate batch type, mixing speed >=5r/min, interval 2-4 can be cooperated
Hour.
Preferably, the digestion time of the environmentally friendly lime white building decoration materials is 20-40 days, to guarantee adequately mixing
Uniformly, it obtains ingredient to be not easy to be layered, the stable environmentally friendly lime white building decoration materials of performance.
Compared with prior art, the invention has the following advantages and beneficial effects:
(1) lower layer's lime paste that precipitating is abandoned present invention employs upper layer saturated limewater, avoids the lime of precipitating
It may be influenced caused by obtained product containing remaining bulky grain and other impurities inside cream, to ensure that it had
Excellent mechanical property, good product stability and longer service life；
It (2) is main former with white lime, powdered whiting, modified cellulose, vegetable oil, animal glue or microbiological gum etc.
Material, and modified cellulose, vegetable oil and animal glue etc. are pre-processed, prepare to substitute in traditional building material simultaneously
Plaster, the new decorative material of inner, external wall coating；Its environmentally friendly and quality of drawing materials is stablized, and without adding natural material, avoids day
Difference is influenced caused by properties of product between right raw material batch, can satisfy the demand of industrial mass steady production
(3) by cooperating between the addition and raw material of vegetable oil, modified cellulose and animal glue or microbiological gum, and
Slurry is squeezed out by extruser, so that ornament materials product obtained has any surface finish, good fluidity and to not
There is the advantages of good adhesion with substrate, brushing surface is bright and clean, no cracking；Simultaneously in starting components without containing heavy metal and
The content of formaldehyde of formaldehyde, obtained environmental protection lime white building decoration materials is lower than instrument detected value, environmentally protective.
Specific embodiment
Embodiment 1
In the present embodiment, environmentally friendly lime white building decoration materials of the present invention, preparation methods steps are as follows:
(1) it cures: by quick lime grinding and sieving, removing big particle and impurity, obtain the content of calcium oxide 90%,
Fineness is that the particulate matter of 200 mesh is carried out as the deionized water that 3.0 times of parts by weight in reactive tank, are added using anchor agitator
Stirring, mixing speed 40r/min, accurately controlling entire reaction temperature is the standing point after curing 36 hours or more less than 75 DEG C
Layer, takes upper layer saturated limewater spare.
(2) modified cellulose, tung oil and gelatin pretreatment: weighing 0.5% hydroxymethyl-propyl cellulose of quick lime parts by weight,
Viscosity is 200,000 centipoises, and 0.3% hydroxymethyl cellulose, viscosity is 100,000 centipoises, and the gelatin of quick lime parts by weight 1.0% uses
After the mixing of blender dough mixing machine elder generation's powdery, it is slowly added to a part of saturated limewater, is stirred and is gelatinized, wait be gelatinized uniformly
Afterwards, 0.5 tung oil is added, mixes, mixing speed is increased to after waiting uniformly using the heating rate of 2 DEG C/min in 5r/min
40 DEG C, wherein mixing speed is 10r/min.When temperature reaches set temperature, 40 DEG C obtain after heat preservation 6 hours modified cellulose,
Tung oil and gelatin Curing material.
(3) powdered whiting and calcium bicarbonate allotment: weigh quick lime parts by weight 5% powdered whiting (1000 mesh, it is pure
85%), 2 batches of equivalent of calcium bicarbonate point are added into powdered whiting 2% calcium bicarbonate (1000 mesh, purity 90%) degree,
After dry state mixing, mixture is uniformly divided to 5 batches and is added in remaining saturated limewater, strong stirring obtains lime white premix
Object.
(4) high-speed vacuum mixes: by above-mentioned modified cellulose, vegetable oil and gelatin Curing material and lime white pre-composition as
It is mixed in high-speed mixer, mixing speed 50r/min, vacuumizes rear heat-insulation pressure keeping 6 hours.
(5) be aged: by mixed slurry described in step (4) by double screw extruder extrusion, obtained slurry in 30 DEG C,
Intermittently 2 hours gentle agitations, mixing speed 5r/min, heat preservation obtain lime white building decoration materials in 20 days.
Embodiment 2
In the present embodiment, environmentally friendly lime white building decoration materials of the present invention, preparation methods steps are as follows:
(1) it cures: by quick lime grinding and sieving, removing big particle and impurity, obtain the content of calcium oxide 85%,
Fineness is that the particulate matter of 200 mesh is carried out as the deionized water that 3.0 times of parts by weight in reactive tank, are added using anchor agitator
Stirring, mixing speed 40r/min, accurately controlling entire reaction temperature is the standing point after curing 36 hours or more less than 75 DEG C
Layer, takes upper layer saturated limewater spare.
(2) modified cellulose, olive oil and xanthan gum pretreatment: weighing 0.3% hydroxyethyl cellulose of quick lime parts by weight,
Viscosity is 10,000 centipoises, and 0.2% carboxy-propyl cellulose, viscosity is 100,000 centipoises, and the xanthan gum of quick lime parts by weight 5.0% is adopted
After the mixing of blender dough mixing machine elder generation's powdery, it is slowly added to a part of saturated limewater, is stirred and is gelatinized, wait be gelatinized uniformly
Afterwards, 0.5% olive oil is added, mixes, mixing speed is increased to after band is uniform using 2 DEG C/min heating rate in 5r/min
40 DEG C, mixing speed 10r/min.When temperature reaches set temperature, 40 DEG C obtain modified cellulose, olive after heat preservation 10 hours
Oil and xanthan gum Curing material.
(3) powdered whiting and calcium bicarbonate allotment: weigh quick lime parts by weight 5% powdered whiting (200 mesh, it is pure
95%), 6 batches of equivalent of calcium bicarbonate point are added to powdered whiting 10% calcium bicarbonate (2000 mesh, purity 95%) degree
In, after dry state mixing, mixture is uniformly divided to 5 batches and is added in remaining saturated limewater, it is pre- that strong stirring obtains lime white
Mixed object.
(4) high-speed vacuum mixes: by above-mentioned modified cellulose, vegetable oil and gelatin Curing material and lime white pre-composition as
It is mixed in high-speed mixer, mixing speed 30r/min, vacuumizes rear heat-insulation pressure keeping 18 hours.
(5) be aged: by mixed slurry described in step (4) by double screw extruder extrusion, obtained slurry in 20 DEG C,
Intermittently 2 hours gentle agitations, mixing speed 5r/min, heat preservation obtain lime white building decoration materials in 40 days.
Embodiment 3
In the present embodiment, environmentally friendly lime white building decoration materials of the present invention, preparation methods steps are as follows:
(1) it cures: by quick lime grinding and sieving, removing big particle and impurity, obtain the content of calcium oxide 95%,
Fineness is that the particulate matter of 500 mesh is carried out as the deionized water that 6.0 times of parts by weight in reactive tank, are added using anchor agitator
Stirring, mixing speed 40r/min, accurately controlling entire reaction temperature is the standing point after curing 48 hours or more less than 75 DEG C
Layer, takes upper layer saturated limewater spare.
(2) modified cellulose, olive oil and xanthan gum pretreatment: weighing 2.5% hydroxyethyl cellulose of quick lime parts by weight,
Viscosity is 100,000 centipoises, and 0.5% carboxy-propyl cellulose, viscosity is 200,000 centipoises, and the xanthan gum of quick lime parts by weight 1.0% is adopted
After the mixing of blender dough mixing machine elder generation's powdery, it is slowly added to a part of saturated limewater, is stirred and is gelatinized, wait be gelatinized uniformly
Afterwards, 3.0% olive oil is added, mixes, mixing speed is increased to after band is uniform using 2 DEG C/min heating rate in 5r/min
60 DEG C, mixing speed 10r/min.When temperature reaches set temperature, 40 DEG C obtain modified cellulose, olive after heat preservation 6 hours
Oil and xanthan gum Curing material.
(3) powdered whiting and calcium bicarbonate allotment: weigh quick lime parts by weight 5% powdered whiting (200 mesh, it is pure
95%), 6 batches of equivalent of calcium bicarbonate point are added to powdered whiting 10% calcium bicarbonate (2000 mesh, purity 95%) degree
In, after dry state mixing, mixture is uniformly divided to 5 batches and is added in remaining saturated limewater, it is pre- that strong stirring obtains lime white
Mixed object.
(4) high-speed vacuum mixes: by above-mentioned modified cellulose, vegetable oil and gelatin Curing material and lime white pre-composition as
It is mixed in high-speed mixer, mixing speed 300r/min, vacuumizes rear heat-insulation pressure keeping 6 hours.
(5) be aged: by mixed slurry described in step (4) by double screw extruder extrusion, obtained slurry in 50 DEG C,
Intermittently 2 hours gentle agitations, mixing speed 5r/min, heat preservation obtain lime white building decoration materials in 20 days.
Compared with the existing technology, lower layer's lime paste that precipitating is abandoned present invention employs upper layer saturated limewater, avoids
It may be influenced caused by obtained product containing remaining bulky grain and other impurities inside the lime paste of precipitating, to protect
Excellent mechanical property, good product stability and longer service life that product has are demonstrate,proved.With white lime, heavy
Calcium carbonate, modified cellulose, vegetable oil, animal glue or microbiological gum etc. are main raw material(s), and materials are environmentally friendly and quality is steady
It is fixed, without adding natural material, difference influence caused by properties of product between natural material batch is avoided, can satisfy industry
The demand of stable mass production.Pass through the addition and phase interworking of vegetable oil, modified cellulose and animal glue or microbiological gum
Close, and by extruser squeeze out slurry so that ornament materials product obtained with any surface finish, good fluidity and
There is the advantages of good adhesion to different substrate materials, brushing surface is bright and clean, no cracking；Simultaneously without containing a huge sum of money in starting components
Belong to and formaldehyde, the content of formaldehyde of obtained environmental protection lime white building decoration materials are environmentally protective lower than instrument detected value.
The invention is not limited to above embodiment, if not departing from the present invention to various changes or deformation of the invention
Spirit and scope, if these changes and deformation belong within the scope of claim and equivalent technologies of the invention, then this hair
It is bright to be also intended to encompass these changes and deformation.
Claims (10)
1. a kind of method of environmental protection lime white building decoration materials, which is characterized in that specific step is as follows:
1) it cures: by quick lime grinding and sieving, removing big particle and impurity is placed in reactive tank, be added 3.0-6.0 times and weigh
The water for measuring part, stirs evenly, and cures 36-48 hours, obtains white lime slurries；White lime slurries are carried out to stablize lock out operation,
It controls and stablizes reaction temperature at 50 DEG C -75 DEG C, take upper layer saturated limewater spare；
2) modified cellulose, vegetable oil, animal glue or microbiological gum pretreatment: changing for quick lime parts by weight 0.5-3% is weighed
Property cellulose, the animal glue of quick lime parts by weight 1.0-5.0% or the vegetable oil of microbiological gum and 0.5-3.0%, mixing is equal
Even, part steps 1 are added) described in saturated limewater, be warming up to 40-60 DEG C, after stirring homogenizing, in 40 DEG C heat preservation 6-10 hours
After obtain modified cellulose, vegetable oil, animal glue or microbiological gum Curing material；
3) powdered whiting of quick lime parts by weight 5-30%, the carbon of 2-10% powdered whiting and calcium bicarbonate allotment: are weighed
Sour hydrogen calcium is added remaining saturated limewater in step 2) and stirs to get lime white pre-composition after mixing；
4) high-speed vacuum mixes: by modified cellulose, vegetable oil described in step 2), animal glue or microbiological gum Curing material and
Lime white pre-composition, which is placed in high-speed mixer, described in step 3) mixes, and vacuumizes latter heat-insulation pressure keeping 6-18 hours, is mixed
Close slurry；
5) be aged: by mixed slurry described in step 4) by double screw extruder extrusion, and in 20-50 DEG C heat preservation 20-40 days,
Obtain environmentally friendly lime white building decoration materials.
2. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: the step 1) life
For the content of calcium oxide in 85-95%, fineness is 200-500 mesh in pulverized limestone.
3. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: step 2) is described to be changed
Property cellulose include that carboxymethyl cellulose, carboxy-propyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl are fine
Tie up element, two or more in converted starch cream alkali process starch, bleaching starch, oxidized starch, Starch acetate, institute
Stating modified cellulose viscosity is ten thousand centipoise of 1-20.
4. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: the step 2) plant
Object oil be one of tung oil, castor oil, palm oil, olive oil or more than one.
5. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: step 2) is described dynamic
Object glue be gelatin, gelatine, hide glue, casein, one of xanthan gum, gum arabic, guar gum glue or more than one.
6. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: step 3) is described heavy
The mesh number of matter calcium carbonate is 200-2000 mesh, purity 95-98%.
7. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: the step 3) carbon
Sour hydrogen calcium mesh number is 200-2000 mesh, purity 90-95%.
8. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that: described in step 3)
In powdered whiting and calcium bicarbonate allocation process, calcium bicarbonate divides 2-6 batches of equivalent to be added.
9. the method for environmental protection lime white building decoration materials according to claim 1, it is characterised in that the step 4) height
The velocity interval of speed mixing is 30-300r/min.
10. a kind of environmental protection lime white building decoration materials, it is characterised in that: pass through method according to any one of claims 1 to 9
It is prepared.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436862A (en) * | 2019-07-11 | 2019-11-12 | 华南理工大学 | A kind of heat-insulating sound-insulating lime white building decoration materials and preparation method thereof |
| CN111393119A (en) * | 2020-03-26 | 2020-07-10 | 西京学院 | Freeze-thawing resistant lime-based tung oil mortar for building and preparation method thereof |
| CN114215377A (en) * | 2021-10-12 | 2022-03-22 | 贵州建工安顺建筑工程有限公司 | Method for repairing wall surface of antique building |
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