CN104130710A - Elastic epoxy composite anticorrosive material for inner tank top of crude oil storage tank, and preparation method thereof - Google Patents
Elastic epoxy composite anticorrosive material for inner tank top of crude oil storage tank, and preparation method thereof Download PDFInfo
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Abstract
The invention provides an elastic epoxy composite anticorrosive material for the inner tank top of a crude oil storage tank and a preparation method thereof. The epoxy composite anticorrosive material comprises the following raw materials by weight: 85 to 115 parts of a vinyl resin, 18 to 22 parts of a glass fiber, 15 to 25 parts of glass flakes, 8 to 12 parts of butadiene-acrylonitrile rubber, 1 to 3 parts of titanium dioxide, 0.5 to 1.5 parts of phthalocyanine blue, 1.5 to 4.5 parts of zinc chrome powder, 3 to 7 parts of nanometer heatproof silicon, 0.1 to 0.8 part of an antifoaming agent, 0.1 to 0.5 part of a leveling agent, 0.2 to 0.7 part of a dispersant and 0.5 to 1.0 part of a curing agent. The preparation method comprises the following steps: resin modification; powder addition and grinding; addition of other filling materials and auxiliary agents; curing; etc. Thus, the prepared epoxy composite anticorrosive material can effectively protect metal surfaces and has excellent resistance to acid, alkali and salt, good heat resistance, strong adhesion, uneasy falling and good mechanical properties.
Description
Technical field
The present invention relates to a kind of anticorrosive, relate in particular to very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister and preparation method thereof.
Background technology
Storage tank suffers the impact of inside and outside environment medium for a long time, easily produces corrosion at base plate, exposed edge plate, bottom ring wall plate and the top board of storage tank.For storage tank inside, at the bottom of generally tank deck corrosion is far better than tank, the corrosive gases in crude oil storage tank rises to tank deck region in tank, deposits, thereby chemical corrosion occurs after attachment surface runs into water medium.Main corrosion factor has carbon dioxide corrosion, sulfur corrosion etc.Tank deck, because long corrosion may cause steel plate attenuation distortion, produces perforation, has not only shortened the work-ing life of oil tank, once and corrosion failure cause crude oil to leak can to bring serious problem of environmental pollution, also likely cause fire disaster and explosion hazard.
At present, take and coating protecting measure consistent at the bottom of tank conventionally to the corrosion of crude oil storage tank tank deck in oil field, is not well positioned to meet the requirement for anticorrosion of tank deck in crude oil storage tank.
Summary of the invention
For the problems referred to above, the invention provides a kind of excellent performance, the very useful elastic epoxy composite anti-corrosion material of adaptable crude oil storage tank inner canister and preparation method thereof.
For achieving the above object, the present invention by the following technical solutions, the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister, it is characterized in that, described epoxy composite impregnating material raw material and weight proportion thereof comprise: 85～115 parts of Vinylites, 18～22 parts, glass fibre, 15～25 parts of glass flakes, 8～12 parts of paracrils, 1～3 part of titanium dioxide, 0.5～1.5 part of phthalocyanine blue, 1.5～4.5 parts of zinc chrome blooms, 3～7 parts of the heat-resisting silicon of nanometer, 0.1～0.8 part of defoamer, 0.1～0.5 part of flow agent, 0.2～0.7 part of dispersion agent, 0.5～1.0 part, solidifying agent.
Described epoxy composite impregnating material raw material also comprises the promotor of 0.05～0.2 part and the accelerator of 0.01～0.1 part.
Described Vinylite is 100 parts, and glass fibre is 20 parts, and glass flake is 20 parts, paracril is 10 parts, titanium dioxide is 2 parts, and phthalocyanine blue is 1 part, and zinc chrome bloom is 4 parts, the heat-resisting silicon of nanometer is 5 parts, defoamer is 0.5 part, and flow agent is 0.3 part, and dispersion agent is that 0.5 part, solidifying agent are 0.75 part, promotor is 0.1 part, and accelerator is 0.07 part.
Described defoamer adopts non-silicon defoamer TECH-430.
Described flow agent adopts fluorinated acrylate TECH-177.
Described dispersion agent adopts poly carboxylic acid amine ammonium salt TECH-501.
It is 80% hydrogen phosphide cumene that described solidifying agent adopts mass concentration.
It is 100% N,N-DIMETHYLACETAMIDE that described accelerator adopts mass concentration.
It is 6% cobalt salt that described promotor adopts mass concentration.
The preparation method of the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister, it is characterized in that, described epoxy composite impregnating material raw material and weight proportion thereof comprise: 85～115 parts of Vinylites, 18～22 parts, glass fibre, 15～25 parts of glass flakes, 8～12 parts of paracrils, 1～3 part of titanium dioxide, 0.5～1.5 part of phthalocyanine blue, 1.5～4.5 parts of zinc chrome blooms, 3～7 parts of the heat-resisting silicon of nanometer, 0.1～0.8 part of defoamer, 0.1～0.5 part of flow agent, 0.2～0.7 part of dispersion agent, 0.5～1.0 part, solidifying agent, 0.01～0.1 part of 0.05～0.2 part of promotor and accelerator, concrete steps are as follows:
(1) resin modified: heating Vinylite to 100 DEG C～130 DEG C, add paracril, stir, be warming up to 135 DEG C～145 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 150 DEG C～170 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 20min～40min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc chrome bloom, stir 20min～40min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 25um～35um;
(3) interpolation of other fillers and auxiliary agent: add successively glass fibre, glass flake, the heat-resisting silicon of nanometer in ground raw material, the speed turning with per minute 1500～2500 is disperseed 30min～50min in dispersion machine; Then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1400～1800 is disperseed 15min～30min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 3min～8min with per minute 250～380 rotary speeds; Add again promotor, stir 4min～10min with per minute 200～400 rotary speeds; Finally add accelerator, stir 4min～8min with per minute 200～400 rotary speeds, complete the preparation of epoxy composite impregnating material;
The add-on of above-mentioned raw materials all adds by formula ratio.
The present invention adopts technique scheme, have the following advantages, the very useful elastic epoxy composite anti-corrosion material of crude oil storage tank inner canister of the present invention is that one is applied in crude oil storage tank rot-resistant coated material at the bottom of waterbearing stratum place's tank skin and tank, it is with Vinylite, glass fibre, paracril, titanium dioxide, phthalocyanine blue, zinc chrome bloom, defoamer, flow agent and dispersion agent are host, add other solidifying agent, a kind of thermotolerance forming is 100 DEG C, impelling strength is 6.5KJ/m2, viscosity is in 4000Pa.s left and right, can be at 0～40 DEG C, surface drying in 4～8h, in 48 hours, do solid work, stream is not hung in construction, the natural levelling of energy, can effectively protect metallic surface, acid-and base-resisting, salt excellent performance, resistance toheat is good, strong adhesion, incrust, there is the very useful elastic epoxy composite anti-corrosion material of storage tank inner canister of good mechanical property.
Embodiment
Further very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister and preparation method thereof is described in detail below in conjunction with embodiment.
The very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister, the weight proportion of epoxy composite impregnating material material composition and composition forms according to following composition and proportioning: 85～115 parts of Vinylites, 18～22 parts, glass fibre, 15～25 parts of glass flakes, 8～12 parts of paracrils, 1～3 part of titanium dioxide, 0.5～1.5 part of phthalocyanine blue, 1.5～4.5 parts of zinc chrome blooms, 3～7 parts of the heat-resisting silicon of nanometer, 0.1～0.8 part of defoamer, 0.1～0.5 part of flow agent, 0.2～0.7 part of dispersion agent, 0.5～1.0 part, solidifying agent, 0.05～0.2 part of promotor, 0.01～0.1 part of accelerator.Above moiety and quality proportioning are carried out the preparation of epoxy composite impregnating material according to following preparation method, concrete steps are as follows:
(1) resin modified: heating Vinylite to 100 DEG C～130 DEG C, add paracril, stir, be warming up to 135 DEG C～145 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 150 DEG C～170 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 20min～40min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc-chrome yellow powder, stir 20min～40min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 25um～35um;
(3) interpolation of other fillers and auxiliary agent: add successively the heat-resisting silicon of glass fibre, glass flake and nanometer in ground raw material, the speed turning with per minute 1500～2500 is disperseed 30min～50min in dispersion machine; Then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1400～1800 is disperseed 15min～30min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 3min～8min with per minute 250～380 rotary speeds; Add again promotor, stir 4min～10min with per minute 200～400 rotary speeds; Finally add accelerator, stir 4min～8min with per minute 200～400 rotary speeds, complete the preparation of epoxy composite impregnating material.
In the process of selecting materials, consider the situation that envrionment temperature is high, in material foundation system, add the heat-resisting silicon heatproof of nano level filler, not only improve the resistance toheat of coating, and make coating more there is compactness, effectively prevent the generation of coating pin hole, avoided origination point corrosion and permeating corrosion.In addition, for the hypertonicity of gas, add sheet powder, sheet powder utilizes its unique layered arrangement structure to make external agency can not directly be penetrated into matrix surface, but must travel back across coating inside by the gap between glass flake, therefore, permeability resistance is higher 6～16 times than common coating.
Embodiment 1
The weight proportion of supplying raw materials according to table 1 is prepared, and selects 100 parts of Vinylites, 20 parts, glass fibre, 20 parts of glass flakes, 10 parts of paracrils, 2 parts of titanium dioxides, 1 part of phthalocyanine blue, 4 parts of zinc chrome blooms, 5 parts of the heat-resisting silicon of nanometer, 0.5 part of defoamer, 0.3 part of flow agent, 0.5 part of dispersion agent, solidifying agent is 0.75 part, and promotor is 0.1 part, and accelerator is 0.07 part, select materials after end, be prepared according to this step:
(1) resin modified: heat 100 parts of Vinylites to 120 DEG C, add 10 parts of paracrils, stir, be warming up to 140 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 160 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 30min, emit resin solution.
(2) powder adds and grinds: in the resin solution of emitting, add 2 parts of titanium dioxides, 4 parts of zinc chrome blooms, stir 30min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 30um.
(3) interpolation of other fillers and auxiliary agent: add successively 5 parts of 20 parts of glass fibre and 20 parts, 20 parts of glass flakes and the heat-resisting silicon of nanometer in ground raw material, the speed turning with per minute 2000 is disperseed 40min in dispersion machine; Then add 1 part of phthalocyanine blue, 0.5 part of dispersion agent, 0.3 part of flow agent, 0.5 part of defoamer, then disperse 20min in the speed dispersion machine that per minute 1600 has turned; Through dispersion machine, the raw material after row disperses carries out packing, packaging;
(4) solidify: in the time that needs use, unpack, the raw material in packaging is poured in vessel, to first add 0.75 part of solidifying agent in raw material, stir 5min with per minute 300 rotary speeds; Add again 0.1 part of promotor, stir 5min with per minute 300 rotary speeds; Finally add 0.07 accelerator, stir 5min with per minute 300 rotary speeds, the material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to tank deck in crude oil storage tank.The present invention adopts the epoxy composite impregnating material of above-mentioned composition and proportioning and preparation method thereof preparation, has good anti-permeability performance, adhesivity and antiseptic property, (concrete numeric reference table two), and easy construction.
The concrete specifications and models table of the very useful elastic epoxy composite anti-corrosion material of table 1 crude oil storage tank inner canister formula
The very useful elastic epoxy composite anti-corrosion material of the crude oil storage tank inner canister salient features table of table 2 embodiment of the present invention
Embodiment 2
Use the preparation method in similar embodiment 1, adopt following weight proportion, carry out the preparation of epoxy composite impregnating material,
(1) resin modified: heat 85 parts of Vinylites to 100 DEG C, add 8 parts of paracrils, stir, be warming up to 135 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 150 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 30min, emit resin solution.
(2) powder adds and grinds: in the resin solution of emitting, add 1 part of titanium dioxide, 1.5 parts of zinc chrome blooms, stir 20min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 25um.
(3) interpolation of other fillers and auxiliary agent: add successively 3 parts of 18 parts of glass fibre and 18 parts, glass flake 18 powder and the heat-resisting silicon of nanometer in ground raw material, the speed turning with per minute 1500 is disperseed 30min in dispersion machine; Then add 0.5 part of phthalocyanine blue, 0.2 part of dispersion agent, 0.1 part of flow agent, 0.1 part of defoamer, then disperse 15min in the speed dispersion machine turning with per minute 1400; Through dispersion machine, the raw material after row disperses carries out packing, packaging;
(4) solidify: in the time that needs use, unpack, the raw material in packaging is poured in vessel, to first add 0.5 part of solidifying agent in raw material, stir 3min with per minute 250 rotary speeds; Add again 0.05 part of promotor, stir 4min with per minute 200 rotary speeds; Finally add 0.01 accelerator, stir 4min with per minute 200 rotary speeds, the material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to tank deck in crude oil storage tank.
Its effect of the present embodiment impregnating material is consistent with the table 2 of embodiment 1.
Embodiment 3
Use the preparation method in similar embodiment 1, adopt following weight proportion, carry out the preparation of epoxy composite impregnating material,
(1) resin modified: heat 115 parts of Vinylites to 130 DEG C, add 12 parts of paracrils, stir, be warming up to 145 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 170 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 30min, emit resin solution.
(2) powder adds and grinds: in the resin solution of emitting, add 3 parts of titanium dioxides, 4.5 parts of zinc chrome blooms, stir 40min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 35um.
(3) interpolation of other fillers and auxiliary agent: in ground raw material, add 22 parts of glass fibre, 7 parts of 22 parts of glass flakes and the heat-resisting silicon of nanometer, the speed turning with per minute 2500 is disperseed 50min in dispersion machine; Then add 1.5 parts of phthalocyanine blues, 0.7 part of dispersion agent, 0.5 part of flow agent, 0.8 part of defoamer, then disperse 30min in the speed dispersion machine turning with per minute 1800; Through dispersion machine, the raw material after row disperses carries out packing, packaging.
(4) solidify: in the time that needs use, unpack, the raw material in packaging is poured in vessel, to first add 1.0 parts of solidifying agent in raw material, stir 8min with per minute 380 rotary speeds; Add again 0.2 part of promotor, stir 10min with per minute 400 rotary speeds; Finally add 0.1 accelerator, stir 8min with per minute 400 rotary speeds, the material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to tank deck in crude oil storage tank.
Its effect of the present embodiment impregnating material is consistent with the table 2 of embodiment 1.
In the above-described embodiment, defoamer, flow agent, dispersion agent are all from Shanghai Tag Polymer Sciences Ltd., specific address is Room 602, No. 665 Dehong mansions, Zhangjiang road, Pudong New Area, Shanghai, and concrete model is that defoamer adopts non-silicon defoamer TECH-430; Flow agent adopts fluorinated acrylate TECH-177; In dispersion agent embodiment, adopt poly carboxylic acid amine ammonium salt TECH-501;
Vinylite, paracril, phthalocyanine blue, solidifying agent, accelerator are all from selecting upper latitude (Shanghai) Fine Chemical Co., Ltd, No. 118, Song Sheng road, CompanyAddress's Shanghai Songjiang manufacturing district; Concrete model, Vinylite adopts SWANCOR908 resin; Paracril adopts CTBN; Phthalocyanine blue is selected Vinylite type; Solidifying agent adopts concentration 80% hydrogen phosphide cumene; Accelerator adopts concentration 100% N,N-DIMETHYLACETAMIDE.
Titanium dioxide is selected Beijing Orient Rui Xiang commerce and trade company limited supply Dupont titanium dioxide, No. 9, Beiwei Lu, Xuanwu District, address Beijing, employing be the titanium dioxide of rutile R type.
The concentration that zinc chrome bloom selects Shanghai courser Chemical Co., Ltd. to produce is 35%～45% CrO
3zinc chrome bloom, specific address is No. 2299, Zhongshan North Road, Putuo District, Shanghai.
The Si that the heat-resisting silicon of nanometer selects Shanghai Xin Mao high technology ceramics Technology Co., Ltd. to produce
3n
4, specific address is Room 317, No. 679, Jianhe road, Changning district, Shanghai.
Glass fibre is selected 1～2mm non-alkali glass powder, and the size of glass flake is selected 80 ~ 100 object glass flakes; Promotor adopts 6% cobalt salt, and cobalt salt can be CoX
2, CoF
2, CoCl
2, CoBr
2, CoI
2, CoCO
3, Co (NO
3)
2, CoSO
4in any one.
The raw material of above-described embodiment also can directly be buied from market.
More than exemplify is only to illustrate of the present invention; do not form the restriction to protection scope of the present invention; within the every and same or analogous design of the present invention all belongs to protection scope of the present invention; the present embodiment does not have specifically described part all to belong to common practise and the known technology of the art simultaneously, and we can provide bibliography if needed.
Claims (10)
1. the very useful elastic epoxy composite anti-corrosion material of crude oil storage tank inner canister, it is characterized in that, described epoxy composite impregnating material raw material and weight proportion thereof comprise: 85～115 parts of Vinylites, 18～22 parts, glass fibre, 15～25 parts of glass flakes, 8～12 parts of paracrils, 1～3 part of titanium dioxide, 0.5～1.5 part of phthalocyanine blue, 1.5～4.5 parts of zinc chrome blooms, 3～7 parts of the heat-resisting silicon of nanometer, 0.1～0.8 part of defoamer, 0.1～0.5 part of flow agent, 0.2～0.7 part of dispersion agent, 0.5～1.0 part, solidifying agent.
2. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1, is characterized in that, described epoxy composite impregnating material raw material also comprises the promotor of 0.05～0.2 part and the accelerator of 0.01～0.1 part.
3. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1 and 2, is characterized in that, described Vinylite is 100 parts, glass fibre is 20 parts, and glass flake is 20 parts, and paracril is 10 parts, titanium dioxide is 2 parts, and phthalocyanine blue is 1 part, and zinc chrome bloom is 4 parts, the heat-resisting silicon of nanometer is 5 parts, defoamer is 0.5 part, and flow agent is 0.3 part, and dispersion agent is that 0.5 part, solidifying agent are 0.75 part, promotor is 0.1 part, and accelerator is 0.07 part.
4. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1, is characterized in that, described defoamer adopts non-silicon defoamer TECH-430.
5. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1, is characterized in that, described flow agent adopts fluorinated acrylate TECH-177.
6. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1, is characterized in that, described dispersion agent adopts poly carboxylic acid amine ammonium salt TECH-501.
7. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 1, is characterized in that, it is 80% hydrogen phosphide cumene that described solidifying agent adopts mass concentration.
8. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 2, is characterized in that, it is 100% N,N-DIMETHYLACETAMIDE that described accelerator adopts mass concentration.
9. the very useful elastic epoxy composite anti-corrosion material of a kind of crude oil storage tank inner canister according to claim 2, is characterized in that, it is 6% cobalt salt that described promotor adopts mass concentration.
10. the preparation method of the very useful elastic epoxy composite anti-corrosion material of crude oil storage tank inner canister, it is characterized in that, described epoxy composite impregnating material raw material and weight proportion thereof comprise: 85～115 parts of Vinylites, 18～22 parts, glass fibre, 15～25 parts of glass flakes, 8～12 parts of paracrils, 1～3 part of titanium dioxide, 0.5～1.5 part of phthalocyanine blue, 1.5～4.5 parts of zinc chrome blooms, 3～7 parts of the heat-resisting silicon of nanometer, 0.1～0.8 part of defoamer, 0.1～0.5 part of flow agent, 0.2～0.7 part of dispersion agent, 0.5～1.0 part, solidifying agent, 0.01～0.1 part of 0.05～0.2 part of promotor and accelerator, concrete steps are as follows:
(1) resin modified: heating Vinylite to 100 DEG C～130 DEG C, add paracril, stir, be warming up to 135 DEG C～145 DEG C with the speed of 2 DEG C of per minutes, constant temperature 30min; Be warming up to 150 DEG C～170 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 20min～40min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc chrome bloom, stir 20min～40min; After stirring completes, injection sand mill grinds; Mesh-of-grind is to 25um～35um;
(3) interpolation of other fillers and auxiliary agent: add successively glass fibre, glass flake, the heat-resisting silicon of nanometer in ground raw material, the speed turning with per minute 1500～2500 is disperseed 30min～50min in dispersion machine; Then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1400～1800 is disperseed 15min～30min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 3min～8min with per minute 250～380 rotary speeds; Add again promotor, stir 4min～10min with per minute 200～400 rotary speeds; Finally add accelerator, stir 4min～8min with per minute 200～400 rotary speeds, complete the preparation of epoxy composite impregnating material;
The add-on of above-mentioned raw materials all adds by formula ratio.
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| CN105885697A (en) * | 2015-01-21 | 2016-08-24 | 薛俊峰 | Preparation method of high-temperature corrosion resisting flexible paint special for finned heat exchanger |
| CN109651929A (en) * | 2019-01-10 | 2019-04-19 | 汇克涂料(湖南)有限公司 | A kind of lotus leaf effect water proof type coating |
| CN116751499A (en) * | 2023-08-04 | 2023-09-15 | 江苏云湖新材料科技有限公司 | Nano silicon nitride modified high-temperature-resistant solvent-free epoxy wear-resistant acid-resistant coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105885697A (en) * | 2015-01-21 | 2016-08-24 | 薛俊峰 | Preparation method of high-temperature corrosion resisting flexible paint special for finned heat exchanger |
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| CN109651929A (en) * | 2019-01-10 | 2019-04-19 | 汇克涂料(湖南)有限公司 | A kind of lotus leaf effect water proof type coating |
| CN116751499A (en) * | 2023-08-04 | 2023-09-15 | 江苏云湖新材料科技有限公司 | Nano silicon nitride modified high-temperature-resistant solvent-free epoxy wear-resistant acid-resistant coating |
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| CN104130710B (en) | 2016-09-14 |
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