CN1255467A - colour floor tiles and production technology thereof - Google Patents
colour floor tiles and production technology thereof Download PDFInfo
- Publication number
- CN1255467A CN1255467A CN 98124500 CN98124500A CN1255467A CN 1255467 A CN1255467 A CN 1255467A CN 98124500 CN98124500 CN 98124500 CN 98124500 A CN98124500 A CN 98124500A CN 1255467 A CN1255467 A CN 1255467A
- Authority
- CN
- China
- Prior art keywords
- cement
- surface layer
- water
- colour floor
- colour
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000005516 engineering process Methods 0.000 title description 4
- 239000004568 cement Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000002344 surface layer Substances 0.000 claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 239000000049 pigment Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 239000011449 brick Substances 0.000 claims description 31
- 239000002994 raw material Substances 0.000 claims description 29
- 239000004575 stone Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 5
- -1 chromium peroxide Chemical class 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003469 silicate cement Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 239000011402 Portland pozzolan cement Substances 0.000 description 1
- 239000011401 Portland-fly ash cement Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
Abstract
A colour floor tile is composed of surface layer and substrate. Said surface layer is made up of high-grade cement, silt, water-reducing agent, water and pigment in the ratio of 1 : (0.8-1.8) : (0.18-0.26) : (0.01-0.09) : (0.004-0.15). Said substrate is made up of ordinary concrete. A particular water-reducing agent is used as surface layer material. Its advantages are high strength, colour fastness, antiwear nature and finishment.
Description
The present invention relates to a kind of colour floor brick and production method thereof.Specifically a kind of high strength, attrition resistant colored floor file floor tile and production method of being made up of surface layer and basic unit's one thereof is characterized in using in the surface layer raw material common cement of high index and a kind of high efficiency water reducing agent.
Colour floor brick is widely used in the construction of urban and suburban roads as a kind of pavement with decoration function.Colour floor brick industry production technique falls behind at present, main two kinds of the colour floor brick that prior art is produced.A kind of is the azulejo that has only one deck, and another kind is to adopt the azulejo that has two layers of composition of the surface layer of color and not colored basic unit.The azulejo that has only one deck is to make by directly add pigment in the normal concrete goods, but it is low that its intensity is imitated, and wears no resistance, and cost is too high again if adopt cement of high index or special cement, be not suitable for China's national situation, thereby at present colour floor brick with surface layer and basic unit of producing more.The production technology of this class azulejo mainly is to add a spot of water with colored cement, stone sand at present, stirs and puts into template, puts into basic unit's raw material simultaneously, uses press compression moulding.Because most of colored cement labels are lower, so surface strength can not guarantee, it is fast to fade, wear no resistance, surface irregularity, though occurred the method for a variety of production colored cements at present, as utilize industrial residue effect tinting material, utilize certain class carrier, be equipped with common or white cement is made colored cement of all kinds, though this class colored cement has been saved certain cement in making, but its label is many below 425, and production technique is comparatively complicated, and because the cement proportion is too small, so poor-performing.Other has a kind of colored cement is aluminosulfate colour cement, though can reach requirement of strength, but it is less to exist raw material sources, the shortcoming that the cost school is high; Can not use with Portland cement owing to this special cement simultaneously, caused the difficulty of producing again, for example publication number is the production technique of disclosed colour floor brick in the patent application of 1106333A, its surface layer needs to make in advance, again it is combined with its layer after to be formed, so just caused problems such as duration elongation.Simultaneously, owing to use drawing method, can only add less water, otherwise floor tile can not the demoulding, water cement ratio can not reach optimum value, thus cause cement and husky, in bad adhesion, bulk strength can not guarantee.Also have a class colour floor brick at present, promptly the powder coal ash colour floor tile is introduced by 1060622A and 1033984A as publication number, the neither height of performances such as the intensity of its product.
The purpose of this invention is to provide a kind of intensity height, colour fastness is good, and wear resistance, surface smoothness are good, lower-cost new type colorful floor tile and preparation method thereof.
For achieving the above object, the invention provides following colour floor brick of a kind of proportioning raw materials and production technique thereof.
Colour floor brick of the present invention, constitute by basic unit and surface layer one, basic unit is the normal concrete material, colored surface layer raw material is made up of cement, stone or sand, water, water reducer and pigment, it is characterized in that each set of dispense is than being by weight in its surface layer composition of raw materials: cement: stone and/or sand: water: water reducer: pigment=1: (0.8～1.8): (0.18～0.26): (0.01～0.09): (0.004～0.15).
The preferred version of its each set of dispense ratio of colored surface layer composition of raw materials is a cement: (stone and/or sand): water: water reducer: pigment=1: (1～1.5): (0.20～0.22): (0.03～0.07): (0.03～0.07).Adopt above-mentioned preferred version can guarantee that the performance of this product colour floor brick is better.Basic unit's raw material is the normal concrete material, as ordinary Portland cement or Portland blast, portland-pozzolan cement, Portland fly ash cement and sandstone and water, can add the concrete base layer material that strongthener forms according to certain mixed simultaneously.
Pigment of the present invention is the green or metal oxides of titanium cyanines, and as red iron oxide, iron oxide yellow, chromium peroxide etc., the size of its consumption has determined the depth of finished color, generally will add more pigment when using black cement.
The advantage of product of the present invention is to have used in the surface layer raw material a certain proportion of special water reducer efficiently, and its major ingredient structural formula is:
The present domestic this water reducer of manufacturer production that promptly has is as JSM efficient cement water reducing agent and SP-40 type high efficiency water reducing agent.The SP-40 high efficiency water reducing agent is to be main raw material with formaldehyde, urea, trimeric cyanamide, by methylation reaction, and copolycondensation, sulfonation modifying reactions etc. make it become the product innovation of the novel melmac cement water reducing agent of excellent performance.This class water reducer not only has water-reduction to cement mortar and concrete, and tangible enhancement arranged, can obviously improve concrete density and impermeability, improve concrete ultimate compression strength and Young's modulus, thereby be specially adapted to the surface layer raw material of colour floor brick of the present invention, also can effectively save simultaneously the consumption of cement, reduced cost, adopting an amount of extraordinary water reducer in floor tile production is one of key of the present invention, the former airport that is used for of this analog high efficiency water reducing agent, submarine platform, railway, special building engineerings such as military engineering, the present invention uses it in floor tile industry in a creative way, obviously improved the performance of floor tile, and at present domestic all that this class is the unimportant concrete additive of producer that other produces floor tile is applied in the production of floor tile.
The surface layer raw material that is also advantageous in that of product of the present invention has adopted common high grade silicate cement, thereby the performances such as intensity of surface layer are improved, simultaneously also because the non-special cement that surface layer and basic unit have used water-absorbent to be close, thereby it is easier in process of production bonding, and it is more firm, shortened the production cycle, and special cement and Portland cement can not be used generally with, can cause other problem and make by stages.
The production method of colour floor brick of the present invention is as follows:
A. according to colour floor brick surface layer composition of raw materials recited above or its preferred version with cement and
Pigment is mixed makes the colored cement siccative, then with colored cement siccative and stone and/or sand
Son is mixed to stir.
B. add entry according to colour floor brick surface layer composition of raw materials recited above or its preferred version, stir
Mix to evenly.
C. according to described colour floor brick surface layer composition of raw materials or its preferred version water reducer is added
In the said mixture, restir 2 minutes to 1 hour.
D. above-mentioned material is put into and makes lining in the mould, vibrate 2～5 minutes, place 15 to
60 minutes.
E. continue in mould, to add the normal concrete base material, with being put into vibration after the doctor blade
It is flat to shake on the platform, and the demoulding after 72 hours In Shade three days, becomes colour floor brick
Finished product.
The production method of colour floor brick of the present invention, it is characterized in that its surface layer raw material is positioned over mould and adds the basic unit's raw material for preparing after 15 to 1 hours again, if too short during this period of time then easy flushing, the long colour floor brick finished color variation that then can cause causes surface layer and basic unit problem such as combination well.
Used mould is a mould of plastics in the production method of colour floor brick of the present invention, so not only can save cost, the more important thing is the smooth finish that has improved the floor tile surface, makes finished product more attractive in appearance.
The present invention since the surface layer raw material owing to adopted high grade Portland cement and pigment, the water-intake rate of surface layer and basic unit's cement is close, rather than with label not high colored cement or special cement, so not only guaranteed the intensity of product, and it is more firm that surface layer and basic unit's combination are got, and reduced cost again.Add abundant water and water reducer simultaneously, use mould of plastics, with without press, so just make water cement ratio be adjusted into optimum value, both improved the density of cement, mortar, improved concrete resistance to compression, folding strength and Young's modulus, guaranteed the demoulding of finished product again, so its intensity, colour fastness, wear resistance and surface smoothness improve greatly.In addition, because do not use press in the production process, facility investment further reduces, and many employing import press making in the floor tile industry both at home and abroad, the import press is very expensive, so just strengthen and strengthened cost greatly, and quality can not guarantee that the technology that does not adopt press also is that domestic floor tile industry is after introduction of foreign technology, summing up experience in production practice, abandoning tradition, the result of effort innovation is the important leverage of this product fine performance.Describe below in conjunction with some data some performances this product:
Specification is the product of 250 * 250 * 40mm, the thick 5mm of surface layer wherein, the thick 35mm of basic unit, the mean value of ultimate compression strength check is 56.1Mpa, the mean value of folding strength check is 5.0Mpa, water-intake rate is 5.7%, and wear resistance (mill hole title degree) mean value is 26.7mm, has reached request of national standard respectively.And publication number is that (specification is the thick 10～15mm of surface layer, and the ultimate compression strength of 45～50mm) finished products is 45～50Mpa, and surface layer is that special cement is made for the colour floor brick of 1106333A; And publication number is the azulejo ultimate compression strength of 1060622A is 10.1Mpa, and folding strength is 2.63Mpa; Publication number is that (specification is a thickness 15～20mm), and ultimate compression strength is 3.13～4.12Mpa for the 22.8Mpa folding strength for the azulejo of 1033984A.These data presentation the premium properties of this product in like product.
Below in conjunction with embodiment to the present invention's further instruction.
Embodiment 1, red floor tile and production method thereof.
The 1 colored cement siccative that will be made up of 50 kilograms of No. 425 white cements, 1.5 kilograms of red iron oxides and 57 kilograms of white stones are put into machine and are fully stirred;
2 add 11 kg water in above-mentioned raw materials stirs;
3 add 2 kilograms of water reducers, restir 10 minutes;
4 put into mould of plastics, vibrate 3 minutes, place 30 minutes;
5 addings are fully stirred by cement, yellow ground, stone (1: 1.5: 3) and suitable quantity of water and are made base-material, use doctor blade, place on the platform that shakes and vibrate, and the demoulding after 72 hours In Shade three days, becomes red floor tile finished product.
Embodiment 2, yellow floor tile and production method thereof.
The 1 colored cement siccative that will be made up of 50 kilograms of No. 425 white cements, 0.5 kilogram of iron oxide yellow and 60 kilograms of white stones are put into machine and are fully stirred;
2 add 12 kg water in above-mentioned raw materials stirs;
3 add 2.5 kilograms of water reducers, restir 10 minutes;
4 put into mould of plastics, vibrate 2 minutes, place 35 minutes;
5 addings are fully stirred by cement, yellow ground, stone (1: 2: 1.5) and suitable quantity of water and are made base-material, use doctor blade, place on the platform that shakes and vibrate, and the demoulding after 72 hours In Shade three days, becomes yellow floor tile finished product.
Embodiment 3, production method red floor tile and another kind of.
The 1 colored cement siccative that will be made up of 50 kilograms of No. 525 black cements, 3 kilograms of red iron oxides and 70 kilograms of stones are put into machine and are fully stirred;
2 add 10.5 kg water in above-mentioned raw materials stirs;
3 add 3 kilograms of water reducers, restir 20 minutes;
4 put into mould of plastics, vibrate 4 minutes, place 30 minutes;
5 add fully to be stirred by cement, yellow ground, stone (1: 2: 4) and suitable quantity of water and make base-material, use doctor blade, place to shake flatly on the platform that shakes, and the demoulding after 72 hours In Shade three days, becomes red floor tile finished product.
All proportionings of not pointing out are all weight ratio in this specification sheets; The water reducer form is light yellow thick liquid, and its solid content is 40%.
Claims (10)
1 one kinds of colour floor bricks are made of basic unit and colored surface layer one, and basic unit is the normal concrete material, it is characterized in that: colored surface layer raw material is made up of cement, stone and/or sand, water, water reducer and pigment; Each set of dispense than by weight is cement: stone and/or sand: water: water reducer: pigment=1: (0.8～1.8): (0.18～0.26): (0.01～0.09): (0.004～0.15).
2 colour floor bricks according to claim 1, the preferred version that it is characterized in that its each set of dispense ratio of colored surface layer raw material is cement: (stone and/or sand): water: water reducer: pigment=1: (1～1.5): (0.20～0.22): (0.03～0.07): (0.03～0.07).
3 colour floor bricks according to claim 1 and 2 is characterized in that the general formula of the major ingredient of the water reducer in its colored surface layer raw material is:
4 colour floor bricks according to claim 1 and 2 is characterized in that the cement in its colored surface layer raw material is high grade normal silicate white and/or black cement, and its label is greater than 425.
5 colour floor bricks according to claim 1 and 2 is characterized in that employed cement is all silicate cement in basic unit and the surface layer.
6 colour floor bricks according to claim 1 and 2 is characterized in that used pigment is that metal oxide, titanium cyanines are green in its colored surface layer raw material.
7 according to described in the claim 6 for metal oxide be red iron oxide, iron oxide yellow, chromium peroxide.
The production method of 8 one kinds of colour floor bricks is characterized in that:
A. according to each set of dispense be cement: stone and/or sand: water: water reducer than by weight:
Pigment=1: (0.8～1.8): (0.18～0.26): (0.01～0.09):
(0.004～0.15) colored surface layer composition of raw materials is made colored water with cement and pigment are mixed
The mud siccative is then with colored cement siccative and stone and/or sand is mixed stirs.
B. add entry according to above-mentioned surface layer composition of raw materials, be stirred to evenly.
C. add entry according to the surface layer composition of raw materials described in a, water reducer is added said mixture
In, restir 2 minutes to 1 hour.
D. above-mentioned material is put into and makes lining in the mould, vibrate 2～5 minutes, place 15 to
60 minutes.
E. continue in mould, to add the normal concrete base material, with being put into vibration after the doctor blade
It is flat to shake on the platform, and the demoulding after 72 hours In Shade three days, becomes colour floor brick
Finished product.
The production method of 9 colour floor bricks described in according to Claim 8 is characterized in that used mould is a mould of plastics.
The production method of 10 colour floor bricks described in according to Claim 8 is characterized in that used base material is stirred according to common mixed by Portland cement, sand, stone and water to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124500 CN1255467A (en) | 1997-11-19 | 1998-11-13 | colour floor tiles and production technology thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97123212.1 | 1997-11-19 | ||
| CN97123212 | 1997-11-19 | ||
| CN 98124500 CN1255467A (en) | 1997-11-19 | 1998-11-13 | colour floor tiles and production technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1255467A true CN1255467A (en) | 2000-06-07 |
Family
ID=25744415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98124500 Pending CN1255467A (en) | 1997-11-19 | 1998-11-13 | colour floor tiles and production technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1255467A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106316239A (en) * | 2016-07-29 | 2017-01-11 | 新疆天山建筑材料检测有限公司 | Green pavement brick, premixing material thereof and production method of green pavement brick |
| CN106426561A (en) * | 2016-04-28 | 2017-02-22 | 许刚 | Tile machining method |
| CN107540300A (en) * | 2016-06-24 | 2018-01-05 | 史阳 | A kind of Stone brick |
| CN107805008A (en) * | 2017-10-20 | 2018-03-16 | 内江市恒世达建材有限公司 | A kind of painting day sanded brick production technology |
| CN109734365A (en) * | 2019-03-08 | 2019-05-10 | 重庆亲禾生态环境科技有限公司 | A kind of concrete imitation Stone brick and preparation method thereof |
| CN111056778A (en) * | 2019-12-30 | 2020-04-24 | 合肥格林工程材料有限公司 | Waterproof stone-like structure and material thereof |
| CN112979235A (en) * | 2019-12-18 | 2021-06-18 | 武汉夸克新材料有限公司 | Inorganic artificial stone with colored cement stone as coarse aggregate and preparation method thereof |
-
1998
- 1998-11-13 CN CN 98124500 patent/CN1255467A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426561A (en) * | 2016-04-28 | 2017-02-22 | 许刚 | Tile machining method |
| CN107540300A (en) * | 2016-06-24 | 2018-01-05 | 史阳 | A kind of Stone brick |
| CN106316239A (en) * | 2016-07-29 | 2017-01-11 | 新疆天山建筑材料检测有限公司 | Green pavement brick, premixing material thereof and production method of green pavement brick |
| CN107805008A (en) * | 2017-10-20 | 2018-03-16 | 内江市恒世达建材有限公司 | A kind of painting day sanded brick production technology |
| CN109734365A (en) * | 2019-03-08 | 2019-05-10 | 重庆亲禾生态环境科技有限公司 | A kind of concrete imitation Stone brick and preparation method thereof |
| CN112979235A (en) * | 2019-12-18 | 2021-06-18 | 武汉夸克新材料有限公司 | Inorganic artificial stone with colored cement stone as coarse aggregate and preparation method thereof |
| CN111056778A (en) * | 2019-12-30 | 2020-04-24 | 合肥格林工程材料有限公司 | Waterproof stone-like structure and material thereof |
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Owner name: JIASHAN JINHUA INDUSTRY CO.,LTD. Free format text: FORMER OWNER: XINJING INDUSTRY CO., JIAXING CITY Effective date: 20010928 |
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Effective date of registration: 20010928 Applicant after: Jiashan Jinhua Industrial Co., Ltd. Applicant before: Xinjing Industry Co., Jiaxing City |
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