CN103709985B - Floor board joint filling adhesive and preparation method therefor - Google Patents
Floor board joint filling adhesive and preparation method therefor Download PDFInfo
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- CN103709985B CN103709985B CN201310645654.5A CN201310645654A CN103709985B CN 103709985 B CN103709985 B CN 103709985B CN 201310645654 A CN201310645654 A CN 201310645654A CN 103709985 B CN103709985 B CN 103709985B
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Abstract
The invention relates to a floor board joint filling adhesive and a preparation method therefor. The method comprises steps of preparation for ingredient A from polytetrahydrofuran, toluene diisocyanate and inorganic pigments, preparation for ingredient B from triethanolamine, oleic acid and glacial acetic acid, mixing of the two ingredients and the like. The floor board joint filling adhesive can adhere to floor boards of various materials closely. During long-term using process, the adhesive has no cracking, stable performances and wear resistance, and has the same service life as the floor boards. The floor board joint filling adhesive is non-poisonous and harmless, contains no harmful ingredients of formaldehyde, benzene, homologs thereof and the like. The contents of harmful heavy metals of lead, mercury, arsenic and the like are far lower than safe range limit amounts of state regulation.
Description
[technical field]
The invention belongs to technical field of adhesive.More specifically, the present invention relates to a kind of floor gap-filling glue, also relate to the preparation method of described floor gap-filling glue.
[background technology]
After solid wooden floor board finishing, all leave gap between plate, the time has been grown, and gap has become the place of sheltering evil people and countenance evil practices, and has become parasite, microbial reproduction ground, disease propagation source, air pollution source.Meanwhile, timber can produce crack because of reasons such as dehydration, water suction and temperature variation under long-time physical environment.Often need to carry out joint filling reparation to its gap or crack, floorboards of wood gap-filling glue not only should have tackiness strong, shrink little feature, and its expansion and contraction is almost identical with timber, so just can not produce and be separated from each other, cause new gap; Also should have color pull-out capacity strong, decoration texture is good, and compressive resistance is wear-resistant, antimycotic feature, and it ideally can repair cracking or the breakage of floor surface, can also paint in its surface, has good water-repellancy.
In order to address this problem, the present inventor, by lot of experiments, analyzes its various influence factor, finally completes the present invention.
[summary of the invention]
[technical problem that will solve]
The object of this invention is to provide a kind of floor gap-filling glue.
Another object of the present invention is to provide the preparation method of described floor gap-filling glue.
[technical scheme]
The present invention is achieved through the following technical solutions.
The present invention relates to the preparation method of a kind of floor gap-filling glue.
The step of this preparation method is as follows:
Step 1: preparation component A
150 ~ 170 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 78 ~ 82 DEG C, then drips 36 ~ 42 kilograms of tolylene diisocyanates, then proceeds reaction at this temperature 1.8 ~ 2.2 hours, stop heating, stop stirring, allow its temperature be reduced to room temperature; In its reaction system, add mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
1.8 ~ 2.2 kilograms of trolamines are added in 5.6 ~ 6.4 liters of acetone, are uniformly mixed, and then add 0.9 ~ 1.1 kilogram of oleic acid, 90 ~ 110ml Glacial acetic acid, be uniformly mixed, add acetone again, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
In use, component A is mixed according to volume ratio 1:0.32 ~ 0.38 with B component, obtain described floor gap-filling glue.
A preferred embodiment of the invention, described mineral dye is carbon black, red iron oxide, lead-chrome yellow, zinc-chrome yellow, cadmium yellow, iron oxide yellow, chromoxide green, lead chrome green, barba hispanica, cobalt blue or ultramarine.
According to another kind of preferred implementation of the present invention, in step, the amount of adding mineral dye is with polytetrahydrofuran and tolylene diisocyanate total weight 0.01% ~ 0.1%.
According to another kind of preferred implementation of the present invention, in step, in its reaction system, mineral dye is not added.
The invention still further relates to the floor gap-filling glue adopting described preparation method to obtain.
A preferred embodiment of the invention, the shore a hardness of described floor gap-filling glue is 20 ~ 90; Fracture tensile strength is greater than 5MPa.
In more detail the present invention will be described below.
The present invention relates to the preparation method of a kind of floor gap-filling glue.
The step of described floor gap-filling glue preparation method is as follows:
Step 1: preparation component A
150 ~ 170 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 78 ~ 82 DEG C, then drips 36 ~ 42 kilograms of tolylene diisocyanates, then proceeds reaction at this temperature 1.8 ~ 2.2 hours, stop heating, stop stirring, allow its temperature be reduced to room temperature; In its reaction system, add mineral dye, then stir, until its pigment mixes, obtain described component A;
Polytetrahydrofuran (PTMG) is soluble in alcohol, ester, ketone, aromatic hydrocarbons and hydrochloric ether, is insoluble to aliphatic hydrocarbon and water.When molecular weight increases, its solubleness can reduce.At room temperature, there is water-absorbent.
The polytetrahydrofuran that the present invention uses is product sold in the market, such as by du pont company with trade(brand)name INVISTA(English Weida) BASF (BASF) the board polytetrahydrofuran produced of board, German BASF China.
Tolylene diisocyanate (Toluenediisocyanate, TDI) is for water white transparency is to weak yellow liquid, and irritant smell, meets light color and deepen.It is water insoluble; Be dissolved in acetone, ethyl acetate and toluene etc.Easily with the compound containing reactive hydrogen atom, as amine, water, alcohol, acid, alkali react, be particularly difficult to sodium hydroxide and tertiary amine control to react, and release large calorimetric.Polymerization rate is very slow at normal temperatures for it, but is heated to more than temperature 45 C or can generates dipolymer by autohemagglutination in the presence of a catalyst, and it can react with strong oxidizer.Thermal degradation releases prussiate and oxynitride.
The tolylene diisocyanate that the present invention uses is by 2,4-tolylene diisocyanate and 2, the mixture that 6-tolylene diisocyanate forms according to weight ratio 4:1, it is product sold in the market, the tolylene diisocyanate such as sold with trade(brand)name silver light board with huge power board or Gansu Yin Guang group company with blue Star, Yantai, Shandong Ju Li isocyanic acid company limited by Shanxi Lan Xing Chemical Co., Ltd..
The time for adding of tolylene diisocyanate about 1 hour, if time for adding is too short, then there will be and occur that TDI partial concn is too high because of incomplete mixing, the side reactions such as the self-condensation reaction of TDI can be accelerated under high-temperature (80 DEG C), quality product is declined, even can be defective; If time for adding is oversize, then under high-temperature (80 DEG C), side reaction is accelerated, and by product increases, so affect quality product.Therefore, time for adding is appropriate in about 1 hour.
After tolylene diisocyanate drips, polytetrahydrofuran and tolylene diisocyanate is allowed to continue to carry out reaction 1.8 ~ 2.2 hours at temperature 78 ~ 82 DEG C.If this reaction times was less than 1.8 hours, then can react incomplete, product content is low, and quality is affected; If this reaction times is longer than 2.2 hours, then as reached reaction end still at high temperature, side reaction is accelerated, impurity increases, and quality product declines; Therefore, tolylene diisocyanate time for adding is 1.8 ~ 2.2 hours is suitable.
After polytetrahydrofuran and tolylene diisocyanate have reacted, stop heating, stop stirring, allow its temperature be reduced to room temperature, its object is to reaction and reach terminal, cooling stops side reaction to proceed, and is also convenient to sample examination.
In the present invention, the mineral dye of use is carbon black, red iron oxide, lead-chrome yellow, zinc-chrome yellow, cadmium yellow, iron oxide yellow, chromoxide green, lead chrome green, barba hispanica, cobalt blue or ultramarine.
Carbon black is a kind of important black pigment, and its primary quality measure is blackness and form and aspect.
Red iron oxide is a kind of modal iron oxide pigment.It has good opacifying power and tinting strength, chemical resistant properties, tint retention, dispersiveness, price are more honest and cleaner.
Lead-chrome yellow is by lead nitrate or plumbic acetate and the plurality of raw materials such as sodium dichromate 99 or potassium bichromate, sodium hydroxide, Tai-Ace S 150, can obtain the lead-chrome yellow of various color and luster by different ratio under different reaction conditionss.
Zinc-chrome yellow, also known as zinc yellow, is suspended in zinc oxide in water, then adds the pigment that potassium bichromate and chromic acid obtain.
Cadmium yellow is the mixing solutions adding sodium sulphite or sodium sulphite and sodium selenide in the cadmium salt aqueous solution, is settled out sulfuration cadmium yellow, through washing, filters, the pigment that roasting obtains.
The pigment that chromoxide green is chromic anhydride, sodium dichromate 99 (or potassium, ammonium salt) obtains through high-temperature roasting with carbon or sulphur.
Lead chrome green is the mixture of chrome yellow and barba hispanica.
Barba hispanica is reacted generated white slurry by ferrous sulfate, yellow prussiate of potash (yellow prussiate of potash), ammonium sulfate, then the pigment obtained with hypochlorite oxidation.
In this step, the amount of adding mineral dye is with polytetrahydrofuran and tolylene diisocyanate total weight 0.01% ~ 0.1%.
In this step, in its reaction system, also mineral dye can not be added.Because floor of the present invention gap-filling glue itself is water white, when not adding mineral dye, so just in time appear the color on floor itself.
Step 2: preparation B component
1.8 ~ 2.2 kilograms of trolamines are added in 5.6 ~ 6.4 liters of acetone, are uniformly mixed, and then add 0.9 ~ 1.1 kilogram of oleic acid, 90 ~ 110ml Glacial acetic acid, be uniformly mixed, add acetone again, make its cumulative volume reach 10 liters, obtain described B component.
In the present invention, use 1.8 ~ 2.2 kilograms of trolamines time, if the amount of oleic acid is less than 0.9 kilogram, then A, B two component mixing after, there will be situation about can't meet the quality requirement after not solidifying or solidifying; If the amount of oleic acid is greater than 1.1 kilograms, then A, B two component mixing after, there will be elastic qualities decline situation.Therefore, when the amount of trolamine is 1.8 ~ 2.2 kilograms, the amount of oleic acid is 0.9 ~ 1.1 kilogram is rational.
Similarly, use 1.8 ~ 2.2 kilograms of trolamines time, if the amount of Glacial acetic acid is less than 90ml, then A, B two component mixing after, there will be do not solidify or solidify after elastomeric mass decline, performance reduction situation; If the amount of Glacial acetic acid is greater than 110ml, then A, B two component mixing after, there will be product elastomeric mass decline situation.Therefore, when the amount of trolamine is 1.8 ~ 2.2 kilograms, the amount of Glacial acetic acid is 90 ~ 110ml is suitable.
Step 3: mixing
Component A being mixed according to volume ratio 1:0.32 ~ 0.38 with B component, is described floor gap-filling glue in colloidal thing.
According to the present invention, if when the volume ratio of component A and B component is less than 0.32, then there will be the situation that quality product declines or do not solidify.If when the volume ratio of component A and B component is greater than 0.38, then there will be and do not solidify or prolongation set time, affect the situation of quality product.Therefore, the volume ratio of component A and B component is 1:0.32 ~ 0.38 is appropriate.
The above-mentioned pigment that the present invention uses is the pigment product of selling in the market that people generally use.
The invention still further relates to the floor gap-filling glue adopting preparation method of the present invention to obtain.
According to the present invention, the shore a hardness of described floor gap-filling glue is 20 ~ 90, and described shore a hardness is tested according to GB/T531-1999 standard method.
The fracture tensile strength of described floor gap-filling glue is greater than 5MPa, and described fracture tensile strength is tested according to GB/T528-1998 standard method.
Meanwhile, also have detected the potential of hydrogen of floor of the present invention gap-filling glue according to GB/T142.33.1-1998 standard method, and it meets correlation standard.
Have detected the heavy metal of floor of the present invention gap-filling glue according to GB/T142.33.1-1998 standard method, have detected the arsenic of floor of the present invention gap-filling glue according to GB/T7686-2008 standard method, its result all meets correlation standard.
Floor of the present invention gap-filling glue using method is as follows: first, drying treatment is carried out on floor to be filled, make it anhydrous, also needs to remove floating ash; Secondly, measure described component A and B component, according to volume ratio 1:0.32 ~ 0.38 stir about 1.8 ~ 2.2 minutes, the mixture flow fully mixed was poured in floor joint to be filled, allowed its solidification 24 hours, and this floor just can use.
Floor of the present invention gap-filling glue is a kind of rubber bodies with suitable consistency and elasticity, it can with various material floors close adhesion, do not ftracture in life-time service process, stable performance, wear-resisting, its life-span is consistent with floor; Floor of the present invention gap-filling glue is nontoxic, harmless, not containing the objectionable constituent such as formaldehyde, Benzene and Homologues, the harmful heavy metals such as lead, mercury, arsenic are limited the quantity far below the safety range of national regulation.
[beneficial effect]
The invention has the beneficial effects as follows: floor of the present invention gap-filling glue is a kind of rubber bodies with suitable consistency and elasticity, it can with various material floors close adhesion, do not ftracture in life-time service process, stable performance, wear-resisting, its life-span is consistent with floor; Floor of the present invention gap-filling glue is nontoxic, harmless, not containing the objectionable constituent such as formaldehyde, Benzene and Homologues, the harmful heavy metals such as lead, mercury, arsenic are limited the quantity far below the safety range of national regulation.
[embodiment]
The present invention can be understood better by following embodiment.
Embodiment 1: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
Add in reactor by 166 kilograms of polytetrahydrofurans, under agitation heating reaches temperature 80 DEG C, then drips 38 kilograms of tolylene diisocyanates, then reaction 1.8 hours are proceeded at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature, obtain described component A;
Step 2: preparation B component
2.0 kilograms of trolamines are added in 6.0 liters of acetone, are uniformly mixed, and then add 0.9 kilogram of oleic acid, 90ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.34 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue that this embodiment prepares purling in 20 minutes, in family floorboards of wood gap to be filled, allows it solidify 24 hours, then comes into operation.It can with wood floors close adhesion, within 4 years, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 62, and its fracture tensile strength is 5.2MPa.
Embodiment 2: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
150 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 78 DEG C, then drips 36 kilograms of tolylene diisocyanates, then proceeds reaction 2.2 hours at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature; Add in its reaction system with polytetrahydrofuran and tolylene diisocyanate total weight 0.01% red iron oxide mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
2.2 kilograms of trolamines are added in 6.2 liters of acetone, are uniformly mixed, and then add 1.0 kilograms of oleic acid, 100ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.36 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue this embodiment prepared purling in 20 minutes, in solid wooden floor board gap to be filled, hall, hotel, allows it solidify 24 hours, then comes into operation.It can with granite floor close adhesion, within 5 years, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 38, and its fracture tensile strength is 5.8MPa.
Embodiment 3: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
160 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 82 DEG C, then drips 40 kilograms of tolylene diisocyanates, then proceeds reaction 2.0 hours at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature; Add in its reaction system with polytetrahydrofuran and tolylene diisocyanate total weight 0.02% lead-chrome yellow mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
1.8 kilograms of trolamines are added in 5.6 liters of acetone, are uniformly mixed, and then add 1.1 kilograms of oleic acid, 110ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.32 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue this embodiment prepared purling in 20 minutes is sold goods in the ceramic tile floor joint to be filled of field to shop, allows it solidify 24 hours, then comes into operation.It can with ceramic tile floor close adhesion, within 1 year, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 76, and its fracture tensile strength is 5.4MPa.
Embodiment 4: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
166 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 82 DEG C, then drips 42 kilograms of tolylene diisocyanates, then proceeds reaction 1.8 hours at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature; Add in its reaction system with polytetrahydrofuran and tolylene diisocyanate total weight 0.05% iron oxide yellow mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
2.0 kilograms of trolamines are added in 6.4 liters of acetone, are uniformly mixed, and then add 0.9 kilogram of oleic acid, 90ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.34 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue this embodiment prepared purling in 20 minutes, in office floorboards of wood gap to be filled, allows it solidify 24 hours, then comes into operation.It can with wood floors close adhesion, within 4 years, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 20, and its fracture tensile strength is 5.5MPa.
Embodiment 5: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
170 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 78 DEG C, then drips 38 kilograms of tolylene diisocyanates, then proceeds reaction 2.2 hours at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature; Add in its reaction system with polytetrahydrofuran and tolylene diisocyanate total weight 0.08% carbon black mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
2.2 kilograms of trolamines are added in 5.8 liters of acetone, are uniformly mixed, and then add 1.0 kilograms of oleic acid, 100ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.36 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue this embodiment prepared purling in 20 minutes, in office building granite floor gap to be filled, allows it solidify 24 hours, then comes into operation.It can with granite floor close adhesion, within 4 years, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 70, and its fracture tensile strength is 5.6MPa.
Embodiment 6: the preparation of floor of the present invention gap-filling glue
The implementation step of this embodiment is as follows:
Step 1: preparation component A
154 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 80 DEG C, then drips 36 kilograms of tolylene diisocyanates, then proceeds reaction 2.0 hours at this temperature, stop heating, stop stirring, allow its temperature be reduced to room temperature; Add in its reaction system with polytetrahydrofuran and tolylene diisocyanate total weight 0.1% red iron oxide mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
1.9 kilograms of trolamines are added in 6.0 liters of acetone, are uniformly mixed, and then add 1.1 kilograms of oleic acid, 110ml Glacial acetic acid, be uniformly mixed, then add acetone, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
Component A is mixed according to volume ratio 1:0.38 with B component, obtains described floor gap-filling glue.
The floor gap-filling glue this embodiment prepared purling in 20 minutes, in the ceramic tile floor joint to be filled of hall, hotel, allows it solidify 24 hours, then comes into operation.It can with ceramic tile floor close adhesion, within 5 years, do not find in process cracking, stable performance, wear-resisting not discharge pollutent in use.
Adopt the method described in present specification to measure, the shore a hardness of the floor gap-filling glue that this embodiment prepares is 65, and its fracture tensile strength is 5.2MPa.
Claims (6)
1. a preparation method for floor gap-filling glue, is characterized in that the step of the method is as follows:
Step 1: preparation component A
150 ~ 170 kilograms of polytetrahydrofurans are added in reactor, under agitation heating reaches temperature 78 ~ 82 DEG C, then drips 36 ~ 42 kilograms of tolylene diisocyanates, then proceeds reaction at this temperature 1.8 ~ 2.2 hours, stop heating, stop stirring, allow its temperature be reduced to room temperature; In its reaction system, add mineral dye, then stir, until its pigment mixes, obtain described component A;
Step 2: preparation B component
1.8 ~ 2.2 kilograms of trolamines are added in 5.6 ~ 6.4 liters of acetone, are uniformly mixed, and then add 0.9 ~ 1.1 kilogram of oleic acid, 90 ~ 110ml Glacial acetic acid, be uniformly mixed, add acetone again, make its cumulative volume reach 10 liters, obtain described B component;
Step 3: mixing
In use, component A is mixed according to volume ratio 1:0.32 ~ 0.38 with B component, obtain described floor gap-filling glue.
2. preparation method according to claim 1, is characterized in that in step 1, and described mineral dye is carbon black, red iron oxide, lead-chrome yellow, zinc-chrome yellow, cadmium yellow, iron oxide yellow, chromoxide green, lead chrome green, barba hispanica, cobalt blue or ultramarine.
3. preparation method according to claim 1, is characterized in that in step 1, and the amount of adding mineral dye is with polytetrahydrofuran and tolylene diisocyanate total weight 0.01% ~ 0.1%.
4. preparation method according to claim 1, is characterized in that in step 1, in its reaction system, do not add mineral dye.
5. the floor gap-filling glue that obtains of preparation method according to claim 1.
6. floor according to claim 5 gap-filling glue, is characterized in that the shore a hardness of described floor gap-filling glue is 20 ~ 90; Fracture tensile strength is greater than 5MPa.
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| CN201310645654.5A CN103709985B (en) | 2013-12-03 | 2013-12-03 | Floor board joint filling adhesive and preparation method therefor |
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| CN201310645654.5A CN103709985B (en) | 2013-12-03 | 2013-12-03 | Floor board joint filling adhesive and preparation method therefor |
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| CN108104419A (en) * | 2017-12-18 | 2018-06-01 | 合肥市艾美莱装饰有限公司 | Suitable for the installation method of solid wooden floor board |
| CN110256647A (en) * | 2019-06-21 | 2019-09-20 | 山西誉邦科技股份有限公司 | A kind of high flame-retardant foamed material blocked for transporting coal railway carriage |
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