CN105344405A - Corrosion resistant physiochemical board special for laboratory tables - Google Patents
Corrosion resistant physiochemical board special for laboratory tables Download PDFInfo
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- CN105344405A CN105344405A CN201510750692.6A CN201510750692A CN105344405A CN 105344405 A CN105344405 A CN 105344405A CN 201510750692 A CN201510750692 A CN 201510750692A CN 105344405 A CN105344405 A CN 105344405A
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Abstract
The invention discloses a corrosion resistant physiochemical board special for laboratory tables. The corrosion resistant physiochemical board includes a physiochemical board core material and a physicochemical membrane covering the physiochemical board core material surface. The physicochemical membrane includes the following raw materials by weight: 100 parts of fluorine-containing epoxy vinyl ester resin, 20-35 parts of liquid carboxyl-terminated nitrile butadiene rubber, 3-10 parts of silicone rubber, 5-15 parts of a carboxyl-terminated butadiene-acrylonitrile copolymer, 10-25 parts of composite filler, 0.5-2 parts of methyl ethyl ketone peroxide, 1-3.5 parts of cobalt iso-octoate, 0.5-2.5 parts of zinc isoocatanoate, and 0.5-2 parts of lanthanum stearate. The composite filler is formed by uniform mixing of nano calcium carbonate, talc powder, bentonite, mica, polyacrylonitrile fiber, glass flake, gamma-glycidylxypropyltrimethoxysilane. The corrosion resistant physiochemical board special for laboratory tables provided by the invention has good impact resistance and excellent corrosion resistance and aging resistance.
Description
Technical field
The present invention relates to physics and chemistry plate technique field, particularly relate to the special corrosion-resistant physics and chemistry plate of a kind of laboratory table top.
Background technology
Along with developing rapidly of modernization science and technology, in recent years, each research institution, institution of higher learning and industrial and mining enterprises build laboratory one after another, to meet the needs of scientific experiment research.Build a modern laboratory, can be better production, scientific research, Teaching Service, except the scientific instrument of advanced person, perfect experimental facilities also must be had to move up the technology ladder, promote scientific achievement, that is experimental bench has extremely important effect as laboratory most important outfit equipment in the construction in laboratory.Experimental bench is owing to often contacting chemicals, the material being used as experimental bench with regard to inevitable requirement has excellent corrosion resistance, but existing its corrosion resistance of experiment mesa material is not still very desirable, corrosion resistance is still there is bad in the process of Long-Time Service, easily aging phenomenon, needs to carry out modification.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes the special corrosion-resistant physics and chemistry plate of a kind of laboratory table top, its shock resistance is good, corrosion resistance and ageing-resistant performance excellence.
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 20-35 part, silicon rubber 3-10 part, end carboxyl hycar 5-15 part, compounded mix 10-25 part, methyl ethyl ketone peroxide 0.5-2 part, cobalt iso-octoate 1-3.5 part, isooctyl acid zinc 0.5-2.5 part, Lanthanum Stearate 0.5-2 part;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 10-25 weight portion, the talcum powder of 2-10 weight portion, the bentonite of 3-15 weight portion, the mica of 5-20 weight portion, the polyacrylonitrile fibre of 3-12 weight portion, the glass flake of 10-25 weight portion, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 5-15 weight portion.
Preferably, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 28-32 part, silicon rubber 7-8.5 part, end carboxyl hycar 10-12 part, compounded mix 15-20 part, methyl ethyl ketone peroxide 1-1.6 part, cobalt iso-octoate 2.8-3.2 part, isooctyl acid zinc 1.2-2 part, Lanthanum Stearate 1-1.6 part.
Preferably, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 30 parts, 8 parts, silicon rubber, end carboxyl hycar 11 parts, compounded mix 16 parts, methyl ethyl ketone peroxide 1.2 parts, cobalt iso-octoate 3 parts, 1.5 parts, isooctyl acid zinc, Lanthanum Stearate 1.2 parts.
Preferably, described compounded mix is mixed formed by the nano-calcium carbonate of 19-22 weight portion, the talcum powder of 4-6 weight portion, the bentonite of 10-12 weight portion, the mica of 9-14 weight portion, the polyacrylonitrile fibre of 7-9 weight portion, the glass flake of 18-21 weight portion, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 11-13 weight portion.
Preferably, described compounded mix is mixed formed by the nano-calcium carbonate of 20 weight portions, the talcum powder of 5 weight portions, the bentonite of 11 weight portions, the mica of 10 weight portions, the polyacrylonitrile fibre of 7 weight portions, the glass flake of 20 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 12 weight portions; In compounded mix, have selected nano-calcium carbonate, talcum powder, bentonite, mica, polyacrylonitrile fibre, glass flake be inorganic filler, there is after cooperation excellent intensity, heat resistance and corrosion resistance, and it is blended with it to add γ-glycidyl ether oxygen propyl trimethoxy silicane, thus introduce epoxy radicals on the surface of inorganic filler, the fluorine-containing epoxy vinyl ester resin compatibility added after in system and in system is good, be uniformly dispersed in system, improve the heat resistance of system, corrosion resistance and intensity.
Preferably, described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 10-15 part fluorinated epoxy resin is heated to melting, then 0.01-0.05 part p-tert-butyl catechol is added, 5-10 part methacrylic acid and 0.05-0.1 part tetramethyl ammonium chloride is added after passing into nitrogen, 2-3h is reacted at 95-105 DEG C, then 1.2-1.5 part maleic acid and 0.001-0.005 part p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 10-15 part styrene is added, 1-3 part toluene di-isocyanate(TDI) and 5-10 part dodecafluoroheptyl methacrylate, at 65-70 DEG C, stir 20-35min obtain described fluorine-containing epoxy vinyl ester resin.
Preferably, described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 12 parts of fluorinated epoxy resins are heated to melting, then 0.03 part of p-tert-butyl catechol is added, 8 parts of methacrylic acids and 0.06 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2.6h is reacted at 100 DEG C, then 1.3 parts of maleic acids and 0.002 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 12 parts of styrene are added, 2.6 parts of toluene di-isocyanate(TDI)s and 8 parts of dodecafluoroheptyl methacrylates, at 70 DEG C, stir 30min obtain described fluorine-containing epoxy vinyl ester resin.
Preferably, the average grain diameter of described nano-calcium carbonate is 30-50nm.
In the present invention, in the raw material of physics and chemistry film, have selected fluorine-containing epoxy vinyl ester resin is major ingredient, it possesses epoxy resin, the advantage of polyurethane resin and fluoride, give mechanical property and the decay resistance of physics and chemistry film excellence, but its toughness is not fine when simple fluorine-containing epoxy vinyl ester resin is major ingredient, coordinate in the present invention and add liquid nbr carboxyl terminal, silicon rubber, end carboxyl hycar, liquid nbr carboxyl terminal, silicon rubber, active group in end carboxyl hycar can react with fluorine-containing epoxy vinyl ester resin, improve the deformation at yield ability of system, improve the toughness of physics and chemistry film, the compounded mix added is uniformly dispersed in system, by regulating its ratio, it is made to coordinate with each material, prevent the defect adding system heat resistance and the intensity reduction caused because of liquid nbr carboxyl terminal, silicon rubber, end carboxyl hycar, improve heat resistance and the intensity of system, in preferred embodiment, in the preparation process of described fluorine-containing epoxy vinyl ester resin, have selected fluorinated epoxy resin, methacrylic acid, maleic acid, styrene, toluene di-isocyanate(TDI) and dodecafluoroheptyl methacrylate is raw material, thus fluorine is introduced in epoxy vingl ester resin, the erosion of the corrosive goods confrontation physics and chemistry films such as effective prevention soda acid, further improves the corrosion resistance of system, being applied to by described physics and chemistry film in physics and chemistry plate thus the performance of physics and chemistry film being introduced in physics and chemistry plate, its shock resistance of physics and chemistry plate obtained is good, corrosion resistance and ageing-resistant performance excellent.
Detailed description of the invention
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 20 parts, 10 parts, silicon rubber, end carboxyl hycar 5 parts, compounded mix 25 parts, methyl ethyl ketone peroxide 0.5 part, cobalt iso-octoate 3.5 parts, 0.5 part, isooctyl acid zinc, Lanthanum Stearate 2 parts;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 10 weight portions, the talcum powder of 10 weight portions, the bentonite of 3 weight portions, the mica of 20 weight portions, the polyacrylonitrile fibre of 3 weight portions, the glass flake of 25 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 5 weight portions; The average grain diameter of described nano-calcium carbonate is 30nm;
Described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 10 parts of fluorinated epoxy resins are heated to melting, then 0.05 part of p-tert-butyl catechol is added, 5 parts of methacrylic acids and 0.1 part of tetramethyl ammonium chloride is added after passing into nitrogen, 3h is reacted at 95 DEG C, then 1.2 parts of maleic acids and 0.005 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 10 parts of styrene are added, 3 parts of toluene di-isocyanate(TDI)s and 5 parts of dodecafluoroheptyl methacrylates, at 70 DEG C, stir 20min obtain described fluorine-containing epoxy vinyl ester resin.
Embodiment 2
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 35 parts, 3 parts, silicon rubber, end carboxyl hycar 15 parts, compounded mix 10 parts, methyl ethyl ketone peroxide 2 parts, cobalt iso-octoate 1 part, 2.5 parts, isooctyl acid zinc, Lanthanum Stearate 0.5 part;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 25 weight portions, the talcum powder of 2 weight portions, the bentonite of 15 weight portions, the mica of 5 weight portions, the polyacrylonitrile fibre of 12 weight portions, the glass flake of 10 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 15 weight portions; The average grain diameter of described nano-calcium carbonate is 50nm;
Described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 15 parts of fluorinated epoxy resins are heated to melting, then 0.01 part of p-tert-butyl catechol is added, 10 parts of methacrylic acids and 0.05 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2h is reacted at 105 DEG C, then 1.5 parts of maleic acids and 0.001 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 15 parts of styrene are added, 1 part of toluene di-isocyanate(TDI) and 10 parts of dodecafluoroheptyl methacrylates, at 65 DEG C, stir 35min obtain described fluorine-containing epoxy vinyl ester resin.
Embodiment 3
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 28 parts, 8.5 parts, silicon rubber, end carboxyl hycar 10 parts, compounded mix 20 parts, methyl ethyl ketone peroxide 1 part, cobalt iso-octoate 3.2 parts, 1.2 parts, isooctyl acid zinc, Lanthanum Stearate 1 part;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 19 weight portions, the talcum powder of 6 weight portions, the bentonite of 10 weight portions, the mica of 14 weight portions, the polyacrylonitrile fibre of 7 weight portions, the glass flake of 21 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 11 weight portions;
Described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 12 parts of fluorinated epoxy resins are heated to melting, then 0.04 part of p-tert-butyl catechol is added, 6.5 parts of methacrylic acids and 0.09 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2.7h is reacted at 98 DEG C, then 1.28 parts of maleic acids and 0.0042 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 12 parts of styrene are added, 2.6 parts of toluene di-isocyanate(TDI)s and 6.5 parts of dodecafluoroheptyl methacrylates, at 68 DEG C, stir 26min obtain described fluorine-containing epoxy vinyl ester resin.
Embodiment 4
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 32 parts, 7 parts, silicon rubber, end carboxyl hycar 12 parts, compounded mix 15 parts, methyl ethyl ketone peroxide 1.6 parts, cobalt iso-octoate 2.8 parts, 2 parts, isooctyl acid zinc, Lanthanum Stearate 1.6 parts;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 22 weight portions, the talcum powder of 4 weight portions, the bentonite of 12 weight portions, the mica of 9 weight portions, the polyacrylonitrile fibre of 9 weight portions, the glass flake of 18 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 13 weight portions;
Described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 13.5 parts of fluorinated epoxy resins are heated to melting, then 0.02 part of p-tert-butyl catechol is added, 8.7 parts of methacrylic acids and 0.07 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2.3h is reacted at 102 DEG C, then 1.42 parts of maleic acids and 0.0032 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 13.5 parts of styrene are added, 1.7 parts of toluene di-isocyanate(TDI)s and 8.5 parts of dodecafluoroheptyl methacrylates, at 67 DEG C, stir 32min obtain described fluorine-containing epoxy vinyl ester resin.
Embodiment 5
The special corrosion-resistant physics and chemistry plate of a kind of laboratory table top that the present invention proposes, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 30 parts, 8 parts, silicon rubber, end carboxyl hycar 11 parts, compounded mix 16 parts, methyl ethyl ketone peroxide 1.2 parts, cobalt iso-octoate 3 parts, 1.5 parts, isooctyl acid zinc, Lanthanum Stearate 1.2 parts;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 20 weight portions, the talcum powder of 5 weight portions, the bentonite of 11 weight portions, the mica of 10 weight portions, the polyacrylonitrile fibre of 7 weight portions, the glass flake of 20 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 12 weight portions; The average grain diameter of described nano-calcium carbonate is 35nm;
Described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 12 parts of fluorinated epoxy resins are heated to melting, then 0.03 part of p-tert-butyl catechol is added, 8 parts of methacrylic acids and 0.06 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2.6h is reacted at 100 DEG C, then 1.3 parts of maleic acids and 0.002 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 12 parts of styrene are added, 2.6 parts of toluene di-isocyanate(TDI)s and 8 parts of dodecafluoroheptyl methacrylates, at 70 DEG C, stir 30min obtain described fluorine-containing epoxy vinyl ester resin.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the special corrosion-resistant physics and chemistry plate of laboratory table top, comprise physics and chemistry board core material and the physics and chemistry film covering physics and chemistry board core material surface, it is characterized in that, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 20-35 part, silicon rubber 3-10 part, end carboxyl hycar 5-15 part, compounded mix 10-25 part, methyl ethyl ketone peroxide 0.5-2 part, cobalt iso-octoate 1-3.5 part, isooctyl acid zinc 0.5-2.5 part, Lanthanum Stearate 0.5-2 part;
Wherein, described compounded mix is mixed formed by the nano-calcium carbonate of 10-25 weight portion, the talcum powder of 2-10 weight portion, the bentonite of 3-15 weight portion, the mica of 5-20 weight portion, the polyacrylonitrile fibre of 3-12 weight portion, the glass flake of 10-25 weight portion, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 5-15 weight portion.
2. the special corrosion-resistant physics and chemistry plate of laboratory table top according to claim 1, it is characterized in that, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 28-32 part, silicon rubber 7-8.5 part, end carboxyl hycar 10-12 part, compounded mix 15-20 part, methyl ethyl ketone peroxide 1-1.6 part, cobalt iso-octoate 2.8-3.2 part, isooctyl acid zinc 1.2-2 part, Lanthanum Stearate 1-1.6 part.
3. the special corrosion-resistant physics and chemistry plate of laboratory table top according to claim 1 or 2, it is characterized in that, the raw material of described physics and chemistry film comprises following component by weight: fluorine-containing epoxy vinyl ester resin 100 parts, liquid nbr carboxyl terminal 30 parts, 8 parts, silicon rubber, end carboxyl hycar 11 parts, compounded mix 16 parts, methyl ethyl ketone peroxide 1.2 parts, cobalt iso-octoate 3 parts, 1.5 parts, isooctyl acid zinc, Lanthanum Stearate 1.2 parts.
4. the special corrosion-resistant physics and chemistry plate of laboratory table top according to any one of claim 1-3, it is characterized in that, described compounded mix is mixed formed by the nano-calcium carbonate of 19-22 weight portion, the talcum powder of 4-6 weight portion, the bentonite of 10-12 weight portion, the mica of 9-14 weight portion, the polyacrylonitrile fibre of 7-9 weight portion, the glass flake of 18-21 weight portion, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 11-13 weight portion.
5. the special corrosion-resistant physics and chemistry plate of laboratory table top according to any one of claim 1-4, it is characterized in that, described compounded mix is mixed formed by the nano-calcium carbonate of 20 weight portions, the talcum powder of 5 weight portions, the bentonite of 11 weight portions, the mica of 10 weight portions, the polyacrylonitrile fibre of 7 weight portions, the glass flake of 20 weight portions, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 12 weight portions.
6. the special corrosion-resistant physics and chemistry plate of laboratory table top according to any one of claim 1-5, it is characterized in that, described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 10-15 part fluorinated epoxy resin is heated to melting, then 0.01-0.05 part p-tert-butyl catechol is added, 5-10 part methacrylic acid and 0.05-0.1 part tetramethyl ammonium chloride is added after passing into nitrogen, 2-3h is reacted at 95-105 DEG C, then 1.2-1.5 part maleic acid and 0.001-0.005 part p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 10-15 part styrene is added, 1-3 part toluene di-isocyanate(TDI) and 5-10 part dodecafluoroheptyl methacrylate, at 65-70 DEG C, stir 20-35min obtain described fluorine-containing epoxy vinyl ester resin.
7. the special corrosion-resistant physics and chemistry plate of laboratory table top according to any one of claim 1-6, it is characterized in that, described fluorine-containing epoxy vinyl ester resin is prepared according to following technique: by weight 12 parts of fluorinated epoxy resins are heated to melting, then 0.03 part of p-tert-butyl catechol is added, 8 parts of methacrylic acids and 0.06 part of tetramethyl ammonium chloride is added after passing into nitrogen, 2.6h is reacted at 100 DEG C, then 1.3 parts of maleic acids and 0.002 part of p-tert-butyl catechol is added, react distillation after being down to below 10mgKOH/g to acid number, then 12 parts of styrene are added, 2.6 parts of toluene di-isocyanate(TDI)s and 8 parts of dodecafluoroheptyl methacrylates, at 70 DEG C, stir 30min obtain described fluorine-containing epoxy vinyl ester resin.
8. the special corrosion-resistant physics and chemistry plate of laboratory table top according to any one of claim 1-7, it is characterized in that, the average grain diameter of described nano-calcium carbonate is 30-50nm.
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| CN201510750692.6A CN105344405B (en) | 2015-11-06 | 2015-11-06 | A kind of special corrosion-resistant physics and chemistry plate of laboratory table top |
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| CN105344405B CN105344405B (en) | 2017-10-27 |
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Cited By (2)
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| CN111253832A (en) * | 2020-02-07 | 2020-06-09 | 华北水利水电大学 | Heavy-duty anticorrosive paint and application thereof |
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| CN1751882A (en) * | 2005-09-27 | 2006-03-29 | 南京理工大学 | Method for making corrosion-proof adhered surface physico-chemical plate |
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| CN111253832A (en) * | 2020-02-07 | 2020-06-09 | 华北水利水电大学 | Heavy-duty anticorrosive paint and application thereof |
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| CN105344405B (en) | 2017-10-27 |
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