CN106118481A - Self-healing polymers cement waterproof paint and preparation method thereof - Google Patents
Self-healing polymers cement waterproof paint and preparation method thereof Download PDFInfo
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- CN106118481A CN106118481A CN201610492084.4A CN201610492084A CN106118481A CN 106118481 A CN106118481 A CN 106118481A CN 201610492084 A CN201610492084 A CN 201610492084A CN 106118481 A CN106118481 A CN 106118481A
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- 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
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses self-healing polymers cement waterproof paint and preparation method thereof.This coating is dual-component coating, and liquid material A is formed by with the component of heavyweight percentage ratio: polymer emulsion 70 80%, hydroxyethyl cellulose 0.5 1%, defoamer 3 5%, water surplus；Powder material B is made up of the component of percentage ratio by weight: portland cement 20 35%, high water absorbency polymer 5 15%, silicon dioxide powder 3 10%, dispersant 1 3%, water reducer 1 3%, make the polymer 5 15% of microcapsule wall material, calcium hydroxide 3 5%, quartz sand 10 30%, filler surplus.The present invention, by using above-mentioned technology, adjusts the curing rate of coating, and can control its hardening time, be used as in the case of leak stopping by adjusting the hydration rate of cement, and when this occurs again in crack, water absorbent polymer can react in time.And can be with Reusability, the active materials that do not ftractures, still in resting state, just can play a role time to be cracked.It is great breakthrough in buildings waterproof theory.
Description
Technical field
The invention belongs to architectural waterproof material technical field, can automatically repair seepage after being specifically related to a kind of seepage and lack
Self-healing polymers cement waterproof paint fallen into and preparation method thereof.
Background technology
Water-repellent paint is waterproof excellent material, current engineering use water-repellent paint based on polymer cement paint, it
There is good cement basal plane cementability, good extensibility itself.And can construct at moisture substrate.Welcome by engineering very much,
In engineering project popular.
But water-repellent paint, good with cement (concrete) basal plane caking property, after substrate concrete (or mortar) ftractures, meeting
Pull coating to make it rupture, cause the seepage of building, make waterproof failure.
Mixed or the concrete construction with brick, because the aquation of structural deformation, mortar (concrete) is shunk and expands with heat and contract with cold former
Because all it being made to produce a lot of crackles.This is the common fault that building is current, although scholar makes great efforts from every side, but because constructing, supporting
Protecting and human factors etc., still can hardly be avoided in the crack of mortar and concrete.
Summary of the invention
The Seepage caused to solve concrete (mortar) to ftracture, first purpose of the present invention is to provide a kind of energy
Intelligent ground self-regeneration seepage, the polymer cement waterproof paint of fine cracks.This coating scratches in mortar (coagulation
Soil) surface layer.In the case of fissureless, internal active material is in closed state；Owing to a variety of causes makes coating create the most carefully
Behind little crack, in the case of anhydrous, (or in the case of wetness is the highest) coating is in stable state.It is coated with when water flows into
Material crack (or in the case of wetness is high), under the effect of water, coating can fast reaction voluntarily, reaction of formation thing repair
Crack, blocks seepage channel, self-repair coating defect, recovers waterproof function.This coating waterproof layer becomes intelligent
The waterproof layer of selfreparing, overcomes waterproof material and cannot resist the weakness of cracking, constructs at upstream face and back side.This
Bright another one purpose is to provide the preparation method of above-mentioned seepage selfreparing waterproof polymer cement waterproof paint.
Described self-healing polymers cement waterproof paint, this coating is dual-component coating, and component A is liquid material, and B component is
Powder, it is characterised in that:
Liquid material A is formed by with the component of heavyweight percentage ratio:
Polymer emulsion 70-80% hydroxyethyl cellulose 0.5-1%
Defoamer 3--5% water surplus.
Powder material B is made up of the component of percentage ratio by weight:
Portland cement 20-35% high water absorbency polymer 5-15%
Silicon dioxide powder 3-10% dispersant 1-3%
Water reducer 1-3% makees the polymer 5-15% of microcapsule wall material
Calcium hydroxide 3-5% quartz sand 10-30%
Filler surplus.
Described self-healing polymers cement waterproof paint, it is characterised in that described powder material B is by percentage ratio by weight
Component forms: portland cement 20-35%, high water absorbency polymer 10%-15%, silicon dioxide 3-8%, dispersant 1-2%, subtracts
Water preparation 0.5-2%, makees the polymer 5-10% of microcapsule wall material, calcium hydroxide 3-5%, quartz sand 10-20%, filler surplus.
Described self-healing polymers cement waterproof paint, it is characterised in that described powder material B is by percentage ratio by weight
Component forms: portland cement 10-40%, high water absorbency polymer 10%-15%, silicon dioxide 3-10%, dispersant 1-2%,
Water reducer 0.5-2%, makees the polymer 5-10% of microcapsule wall material, calcium hydroxide 3-5%, quartz sand 10-30%, more than filler
Amount.
Described self-healing polymers cement waterproof paint, it is characterised in that the filler in powder material B is Pulvis Talci, activated carbon
One or two kinds of thing mixed above in acid calcium, wollastonite in powder, bentonite, flake asbestos.
Described self-healing polymers cement waterproof paint, it is characterised in that the high water absorbency polymer in powder material B uses
Polyvinyl alcohol, polyacrylate high water absorbency polymer and each scion grafting acrylic compounds and high suction of inorganic mineral scion grafting
Waterborne polymeric one or more of which mixture.
Described self-healing polymers cement waterproof paint, it is characterised in that in powder material B make microcapsule wall material poly-
Compound uses ethylene methacrylic ether-copolymer-maleic anhydride, polyvinyl alcohol, diisobutyl thiocarbamate, dicyanate one
Plant or two kinds of compositionss.
Described self-healing polymers cement waterproof paint, it is characterised in that the dispersant in powder material B is selected from LOMAR PWA EINECS 246-676-2 first
Aldehyde condensate, fat alcohol polyethylene ether or condensation compound of methyl naphthalene sulfonic acid and formaldehyde.
Described self-healing polymers cement waterproof paint, it is characterised in that the water reducer in powder material B is selected from sulfomethylated lignin
Hydrochlorate, melamine based water reducer or powder polycarboxylate.
The preparation method of described self-healing polymers cement waterproof paint, it is characterised in that comprise the following steps:
1) being added in water or solvent by the polymer making capsule wall material, heating makes it thoroughly dissolve and carries out reactive grafting to be formed molten
Liquid, then by high water absorbency polymer, silicon dioxide add, after stirring, solution is leached, parcel solution high water absorbency polymer,
Silicon dioxide is insoluble carries out being dispersed into little granule, and lowers the temperature and evacuation, makes solvent volatilize, obtains mixture capsule；
2) by proportioning, mixture step 1) obtained stirs in portland cement, dispersant, water reducer, calcium hydroxide, quartz
Sand and filler mixture stir, obtains powder material B；
3) polymer emulsion, hydroxyethyl cellulose, defoamer and water are mixed in proportion, stir formation liquid material A；
4) by liquid material A: powder material B, by weight for 1:1 mixing and stirring, obtains self-healing polymers cement waterproof paint, it is coated with
Brush in concrete base layer.
By using above-mentioned technology, compared with prior art, beneficial effects of the present invention is as follows:
1) coating bi-component is mixed and made into water-repellent paint by the present invention, adds water and is coated in concrete surface, during paint solidification because of
Water-absorbing resin within quick solidifying is wrapped to form microcapsule, graft copolymer and other work by film-formable graft copolymer
Property material is wrapped in a dormant state, when surface is in the state of water, because becoming the graft copolymer of capsule wall material
Being porous mass, water can enter in capsule at leisure, makes internal absorbent material imbibition, racks capsule, and water-absorbing resin is at once
Drastically expansion rate can reach 1000 times, can dead-end fracture surface immediately, its easy construction is simple；In under wet conditions
The active material in portion carries out reaction and generates the thorough dead-end fracture of silicate crystalline, it is achieved that seepage selfreparing；Thoroughly solve water
The problem of cement mortar cracking seepage, carries out back side after solving seepage and carries out the trouble of blocking construction, it is achieved that be intelligentized
Self-healing；
2) present invention is by using the thought coordination of potent and mild therapies of self-regeneration, could be used that in the environment of alternation of wetting and drying, and
Repeatedly still can work in the case of cracking, the curing rate of coating can be adjusted by adjusting the hydration rate of cement,
And its hardening time can control, quick-hardening cement will be changed into by portland cement, it is possible to, it is used as in the case of leak stopping,
When this occurs again in crack, water absorbent polymer can react in time.And can with Reusability, do not ftracture active materials still in
Resting state, just can play a role time to be cracked.It is great breakthrough in buildings waterproof theory.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited to that:
Embodiment 1
The each component proportion of the present invention is as follows:
With heavyweight percentage ratio liquid material component A:
Polymer emulsion 75%
Hydroxyethyl cellulose 0.8%
Defoamer 4.2%
Water 20%
Percentage ratio powder material B component by weight:
Portland cement 30%
Polyacrylate high water absorbency polymer 10%
Silicon dioxide powder 8%
Dispersant 1%
Water reducer 1%
Ethylene methacrylic ether-copolymer-maleic anhydride 9.5%
Polyvinyl alcohol 0.5%
Calcium hydroxide 5%
Quartz sand 10%
Pulvis Talci 25%
Above-mentioned waterproof mortar preparation method is as follows:
1) hydrolysate of ethylene methacrylic ether-copolymer-maleic anhydride disperses in 50 DEG C of water, adds polyvinyl alcohol stirring 2h, and handle
Temperature heightens 70 DEG C, is sufficiently stirred for.Polyacrylate high water absorbency polymer, silicon dioxide powder are added stirring for a moment, i.e.
It is cooled to 30 DEG C, with filter paper, powder is leached.Dry grinds；
2) with portland cement, dispersant (fat alcohol polyethylene ether), water reducer (melamine based water reducer), calcium hydroxide, quartz
Sand, filler carry out mix and blend makes it uniform for 1 hour.Form B component；
3) by polymer emulsion, hydroxyethyl cellulose, defoamer, water is mixed in proportion, stir formation component A；
4) by A:B=1:1 mixing and stirring when using, it is painted on concrete base layer.
Physical property: tensile strength (MPa) 1.5；
Elongation percentage (%) 230
19 hours crack closure time.
Embodiment 2
The each component proportion of the present invention is as follows:
Polymer emulsion 78%
Hydroxyethyl cellulose 0.5%
Defoamer 4%
Water 17.5%
Percentage ratio powder material B component by weight:
Portland cement 35%
Polyvinyl alcohol high water absorbency polymer 10%
Silicon dioxide powder 10%
Dispersant 1%
Water reducer 1%
Diisobutyl thiocarbamate 9.4%
Polyvinyl alcohol 0.1
TDI 0.5%
Calcium hydroxide 3%
Quartz sand 10%
Pulvis Talci 20%
Above-mentioned waterproof mortar preparation method is as follows:
1) S-ethyl-N, N-diisobutyl thiocarbamate and TDI are dissolved in industrial naptha, stir.Add poly-
Vinyl alcohol hydrolysate is thoroughly mixed.Water-absorbing resin (polyvinyl alcohol salt water absorbent polymer), silicon dioxide powder are put into and stirred
Mix in pot, spray with solution and stir, carry out micro encapsulation；Put in depurator, evacuation dehydration, removing oil.Add
Pulvis Talci does not make surface toughness；
2) with portland cement, dispersant (naphthalene sulfonic acid-formaldehyde condensation product), water reducer (melamine based water reducer), calcium hydroxide, stone
Sand, filler carry out mix and blend makes it uniform for 1 hour.Form B component；
3) by polymer emulsion, hydroxyethyl cellulose, defoamer, water is mixed in proportion, stir formation component A；
4) by A:B=1:1 mixing and stirring when using, it is painted on concrete base layer.
Its physical property: tensile strength (MPa) 1.8
Elongation percentage (%) 220
17 hours crack closure time.
Claims (9)
1. self-healing polymers cement waterproof paint, this coating is dual-component coating, and component A is liquid material, and B component is powder, its
It is characterised by:
Liquid material A is formed by with the component of heavyweight percentage ratio:
Polymer emulsion 70-80% hydroxyethyl cellulose 0.5-1%
Defoamer 3--5% water surplus.
Powder material B is made up of the component of percentage ratio by weight:
Portland cement 20-35% high water absorbency polymer 5-15%
Silicon dioxide powder 3-10% dispersant 1-3%
Water reducer 1-3% makees the polymer 5-15% of microcapsule wall material
Calcium hydroxide 3-5% quartz sand 10-30%
Filler surplus.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that described powder material B is by with weight
The component composition of meter percentage ratio: portland cement 20-35%, high water absorbency polymer 10%-15%, silicon dioxide 3-8%, dispersion
Agent 1-2%, water reducer 0.5-2%, make the polymer 5-10% of microcapsule wall material, calcium hydroxide 3-5%, quartz sand 10-20%, fill out
Material surplus.
3. according to the self-healing polymers cement waterproof paint described in claim 1, it is characterised in that described powder material B is by by weight
The component composition of percentage ratio: portland cement 10-40%, high water absorbency polymer 10%-15%, silicon dioxide 3-10%, dispersion
Agent 1-2%, water reducer 0.5-2%, make the polymer 5-10% of microcapsule wall material, calcium hydroxide 3-5%, quartz sand 10-30%, fill out
Material surplus.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that the filler in powder material B is for sliding
One or two kinds of thing mixed above in stone powder, activated Calcium carbonate, wollastonite in powder, bentonite, flake asbestos.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that the high-hydroscopicity in powder material B
Polymer uses polyvinyl alcohol, polyacrylate high water absorbency polymer and respective scion grafting acrylic compounds and inorganic mineral
The high water absorbency polymer one or more of which mixture of scion grafting.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that make microcapsule in powder material B
Wall material polymer use ethylene methacrylic ether-copolymer-maleic anhydride, polyvinyl alcohol, diisobutyl thiocarbamate,
One or both compositionss of two hydrocyanic esters.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that the dispersant choosing in powder material B
From naphthalene sulfonic acid-formaldehyde condensation product, fat alcohol polyethylene ether or condensation compound of methyl naphthalene sulfonic acid and formaldehyde.
Self-healing polymers cement waterproof paint the most according to claim 1, it is characterised in that the water reducer choosing in powder material B
From lignosulfonates, melamine based water reducer or powder polycarboxylate.
9. the preparation method of a self-healing polymers cement waterproof paint according to claim 1, it is characterised in that bag
Include below step:
1) being added in water or solvent by the polymer making capsule wall material, heating makes it thoroughly dissolve and carries out reactive grafting to be formed molten
Liquid, then by high water absorbency polymer, silicon dioxide add, after stirring, solution is leached, parcel solution high water absorbency polymer,
Silicon dioxide is insoluble carries out being dispersed into little granule, and lowers the temperature and evacuation, makes solvent volatilize, obtains mixture capsule；
2) by proportioning, mixture step 1) obtained stirs in portland cement, dispersant, water reducer, calcium hydroxide, quartz
Sand and filler mixture stir, obtains powder material B；
3) polymer emulsion, hydroxyethyl cellulose, defoamer and water are mixed in proportion, stir formation liquid material A；
4) by liquid material A: powder material B, by weight for 1:1 mixing and stirring, obtains self-healing polymers cement waterproof paint, it is coated with
Brush in concrete base layer.
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| CN201610492084.4A CN106118481B (en) | 2016-06-29 | 2016-06-29 | Self-healing polymers cement waterproof paint and preparation method thereof |
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| CN201610492084.4A CN106118481B (en) | 2016-06-29 | 2016-06-29 | Self-healing polymers cement waterproof paint and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927763A (en) * | 2017-03-20 | 2017-07-07 | 江苏尼高科技有限公司 | Wall wire casing anticracking system and its construction method |
| CN109824302A (en) * | 2017-11-23 | 2019-05-31 | 中国石油化工股份有限公司 | A kind of water blockoff composition, water shutoff agent and preparation method thereof |
| CN110255971A (en) * | 2019-06-19 | 2019-09-20 | 河北晨阳工贸集团有限公司 | A kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof |
| CN111218179A (en) * | 2019-12-11 | 2020-06-02 | 湖南神州皓绿科技发展有限公司 | Waterproof coating and preparation method and application thereof |
| CN111502324A (en) * | 2020-04-29 | 2020-08-07 | 湖南先锋防水科技有限公司 | Repairing process for leakage between elevator shaft side wall and ground |
| CN111718145A (en) * | 2020-06-30 | 2020-09-29 | 重庆愈水通新型防水材料有限公司 | Admixture for improving compactness of concrete and processing technology and construction method thereof |
| CN114702281A (en) * | 2022-04-18 | 2022-07-05 | 浙江鲁班建材科技股份有限公司 | Anti-loosening and anti-permeability self-repairing waterproof mortar and preparation method thereof |
| CN114873975A (en) * | 2022-06-13 | 2022-08-09 | 苏州顺林砂浆有限公司 | High-permeability resin mortar and preparation method thereof |
| CN115650671A (en) * | 2022-10-31 | 2023-01-31 | 辰龙新材料科技发展(山东)有限公司 | High-ductility white cement-based rapid closed spraying material and preparation method thereof |
| CN117659773A (en) * | 2023-12-06 | 2024-03-08 | 广州昊特建材有限公司 | Waterproof exterior wall paint and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927763A (en) * | 2017-03-20 | 2017-07-07 | 江苏尼高科技有限公司 | Wall wire casing anticracking system and its construction method |
| CN109824302A (en) * | 2017-11-23 | 2019-05-31 | 中国石油化工股份有限公司 | A kind of water blockoff composition, water shutoff agent and preparation method thereof |
| CN110255971A (en) * | 2019-06-19 | 2019-09-20 | 河北晨阳工贸集团有限公司 | A kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof |
| CN111218179A (en) * | 2019-12-11 | 2020-06-02 | 湖南神州皓绿科技发展有限公司 | Waterproof coating and preparation method and application thereof |
| CN111502324A (en) * | 2020-04-29 | 2020-08-07 | 湖南先锋防水科技有限公司 | Repairing process for leakage between elevator shaft side wall and ground |
| CN111718145A (en) * | 2020-06-30 | 2020-09-29 | 重庆愈水通新型防水材料有限公司 | Admixture for improving compactness of concrete and processing technology and construction method thereof |
| CN114702281A (en) * | 2022-04-18 | 2022-07-05 | 浙江鲁班建材科技股份有限公司 | Anti-loosening and anti-permeability self-repairing waterproof mortar and preparation method thereof |
| CN114702281B (en) * | 2022-04-18 | 2023-07-14 | 浙江鲁班建材科技股份有限公司 | Loose-proof impervious self-repairing waterproof mortar and preparation method thereof |
| CN114873975A (en) * | 2022-06-13 | 2022-08-09 | 苏州顺林砂浆有限公司 | High-permeability resin mortar and preparation method thereof |
| CN115650671A (en) * | 2022-10-31 | 2023-01-31 | 辰龙新材料科技发展(山东)有限公司 | High-ductility white cement-based rapid closed spraying material and preparation method thereof |
| CN115650671B (en) * | 2022-10-31 | 2023-04-14 | 辰龙新材料科技发展(山东)有限公司 | High-ductility white cement-based rapid closed spraying material and preparation method thereof |
| CN117659773A (en) * | 2023-12-06 | 2024-03-08 | 广州昊特建材有限公司 | Waterproof exterior wall paint and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106118481B (en) | 2018-05-11 |
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Inventor after: Xiang Zengye Inventor after: Yang Yang Inventor after: Xiang Xiaorui Inventor after: Xu Danyang Inventor after: Zhou Zhenzhe Inventor after: Wei Hongchao Inventor before: Yang Yang Inventor before: Xiang Xiaorui Inventor before: Zhou Zhenzhe Inventor before: Wei Hongchao |
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Denomination of invention: Self repairing polymer cement waterproof coating and its preparation method Effective date of registration: 20221128 Granted publication date: 20180511 Pledgee: Hangzhou branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LUBAN BUILDING WATERPROOF Co.,Ltd. Registration number: Y2022330003255 |
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