CN108003679A - A kind of production technology of anti-clogging high temperature resistant condenser tubes - Google Patents

A kind of production technology of anti-clogging high temperature resistant condenser tubes Download PDF

Info

Publication number
CN108003679A
CN108003679A CN201711294471.8A CN201711294471A CN108003679A CN 108003679 A CN108003679 A CN 108003679A CN 201711294471 A CN201711294471 A CN 201711294471A CN 108003679 A CN108003679 A CN 108003679A
Authority
CN
China
Prior art keywords
parts
cooled
high temperature
water
room temperature
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
Application number
CN201711294471.8A
Other languages
Chinese (zh)
Inventor
唐建明
陆荣晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bovin Refrigeration Technology (suzhou) Co Ltd
Original Assignee
Bovin Refrigeration Technology (suzhou) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bovin Refrigeration Technology (suzhou) Co Ltd filed Critical Bovin Refrigeration Technology (suzhou) Co Ltd
Priority to CN201711294471.8A priority Critical patent/CN108003679A/en
Publication of CN108003679A publication Critical patent/CN108003679A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0426—Cooling with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
    • B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00—Acrylic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2503/00—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a kind of production technology of anti-clogging high temperature resistant condenser tubes, concrete operations are as follows：（1）Pipeline is first cleaned with the pure water that temperature is 75 85 DEG C, is then dried up, drying temperature is 95 100 DEG C, then cooled to room temperature, dried valve surface is cleaned into rubber surface 23 times with fat hydrocarbon solvent, is rinsed again with the pure water that temperature is 50 DEG C, last wind turbine drying is stand-by；（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：（3）By step（1）In the valve handled well send 250 320 DEG C be preheated into heating furnace, in being set subsequently into spraying, first with spray gun to the tiny grains of sand of valve surface even application, thickness is 0.05 0.09mm, then it is heating and curing rapidly, it is 0.11 0.13mm to repeat above-mentioned spraying coating process to coating materials thickness；（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage.

Description

A kind of production technology of anti-clogging high temperature resistant condenser tubes
Technical field
The present invention relates to condenser accessory processing technique field, particularly relates to a kind of anti-clogging high temperature resistant condenser The production technology of pipeline.
Background technology
Condenser tubes resistance to elevated temperatures of the prior art is relatively low, and is easy to cause blocking in the case of long-term use, makes Poor with effect, spoilage is larger, and the damage of pipeline and the damage for often creating product entirety, significantly increase and scrap Rate and the workload of staff, environmental pollution also result in great threat, to improve the utilization rate of condenser tubes, Reduce scrappage, time saving and energy saving, the present invention proposes a kind of production technology of anti-clogging high temperature resistant condenser tubes.
The content of the invention
The technical problems to be solved by the invention are that shortcoming existing in the prior art proposes that a kind of anti-clogging is resistance to for more than The production technology of warm condenser pipeline, not only increases work efficiency, and reduces scrappage, has saved production cost, Step is simple, convenient operation.
The present invention solve above technical problem technical solution be：
A kind of production technology of anti-clogging high temperature resistant condenser tubes, coats anti-blocking high temperature resistance layer, specifically in the outer surface of pipeline Operation is as follows：
（1）The pure water that pipeline is first 75-85 DEG C with temperature is cleaned, is then dried up, drying temperature is 95-100 DEG C, then certainly So it is cooled to room temperature, dried valve surface is cleaned into rubber surface 2-3 times with fat hydrocarbon solvent, is again 50 with temperature DEG C pure water rinse, the drying of last wind turbine is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：15-19 parts, fine-grained alumina：21-26 parts, dispersant：3-8 parts, zinc oxide：11-19 parts, delustering agent：6- 8 parts, Silica-based polymer agent：2-9 parts；Water based acrylic resin：22-26 parts, bromine carbon polyurethane resin material：10-13 parts, three Aoxidize 9-16 parts of two antimony, thickener：12-16 parts；Deionized water：15-22 parts, allyl alcohol：8-11 parts, trichloro ethylene：2-5 parts, 2- butanone cyclohexanone：2-9 parts, coalescents：14-19 parts, plasticizer：10-13 parts, auxiliary material：11-13 parts, solvent：12-19 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：16-19 parts, cellulose ether：21-26 parts, calcium chloride：6-9 parts, potassium dihydrogen phosphate：11-17 parts, base oil： 30-37 parts, viscosity modifier：18-22 parts, metal deactivator：12-18 parts, aromatic polyamide staple fiber：13-18 parts；
（3）By step（1）In the valve handled well send 250-320 DEG C be preheated into heating furnace, in being set subsequently into spraying, First with spray gun to the tiny grains of sand of valve surface even application, thickness 0.05-0.09mm, is then heating and curing rapidly, in repetition It is 0.11-0.13mm to state spraying coating process to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 80-110 DEG C with the speed of 7 DEG C/s, is then air-cooled to 50-60 DEG C, then using water It is cooled to 30-40 DEG C with the cooling velocity of 3 DEG C/s, is finally air-cooled to room temperature.
The technical solution that further limits of the present invention is：
The production technology of foregoing anti-clogging high temperature resistant condenser tubes, anti-blocking high temperature resistance layer, tool are coated in the outer surface of pipeline Gymnastics is made as follows：
（1）Pipeline is first cleaned with the pure water that temperature is 75 DEG C, is then dried up, drying temperature is 95 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 2-3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water purification is rinsed, and last wind turbine drying is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：15 parts, fine-grained alumina：21 parts, dispersant：3 parts, zinc oxide：11 parts, delustering agent：6 parts, Silica-based polymer Agent：2 parts；Water based acrylic resin：22 parts, bromine carbon polyurethane resin material：10 parts, 9 parts of antimony oxide, thickener： 12 parts；Deionized water：15 parts, allyl alcohol：8 parts, trichloro ethylene：2 parts, 2- butanone cyclohexanone：2 parts, coalescents：14 parts, increase Mould agent：10 parts, auxiliary material：11 parts, solvent：12 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：16 parts, cellulose ether：21 parts, calcium chloride：6 parts, potassium dihydrogen phosphate：11 parts, base oil：30 parts, viscosity tune Save agent：18 parts, metal deactivator：12 parts, aromatic polyamide staple fiber：13 parts；
（3）By step（1）In the valve handled well send 250 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.05mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.11mm to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 80 DEG C with the speed of 7 DEG C/s, is then air-cooled to 50 DEG C, then use water with 3 DEG C/s Cooling velocity be cooled to 30 DEG C, be finally air-cooled to room temperature.
The production technology of foregoing anti-clogging high temperature resistant condenser tubes, anti-blocking high temperature resistance is coated in the outer surface of pipeline Layer, concrete operations are as follows：
（1）Pipeline is first cleaned with the pure water that temperature is 85 DEG C, is then dried up, drying temperature is 100 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water rinses, and last wind turbine drying is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：19 parts, fine-grained alumina：26 parts, dispersant：8 parts, zinc oxide：19 parts, delustering agent：8 parts, Silica-based polymer Agent：9 parts；Water based acrylic resin：26 parts, bromine carbon polyurethane resin material：13 parts, 16 parts of antimony oxide, thickener： 16 parts；Deionized water：22 parts, allyl alcohol：11 parts, trichloro ethylene：5 parts, 2- butanone cyclohexanone：9 parts, coalescents：19 parts, increase Mould agent：13 parts, auxiliary material：13 parts, solvent：19 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：19 parts, cellulose ether：26 parts, calcium chloride：9 parts, potassium dihydrogen phosphate：17 parts, base oil：37 parts, viscosity tune Save agent：22 parts, metal deactivator：18 parts, aromatic polyamide staple fiber：18 parts；
（3）By step（1）In the valve handled well send 320 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.09mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.13mm to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 110 DEG C with the speed of 7 DEG C/s, is then air-cooled to 60 DEG C, then use water with 3 DEG C/s Cooling velocity be cooled to 40 DEG C, be finally air-cooled to room temperature.
The production technology of foregoing anti-clogging high temperature resistant condenser tubes, dispersant include hydrophobic modified carboxylic acid sodium salt, One or more in polyacrylic acid sodium salt or ammonium salt；Delustering agent is modified polyester acrylate ester；Thickener is polyvinyl alcohol, gathers One kind in vinegar polyethylene emulsion, water soluble phenol resin or POLYPROPYLENE GLYCOL；Coalescents are ethylene glycol ethyl ether, butyl glycol ether Or one kind in propane diols, defoamer are the one or more in organosilicon, organosiloxane or acid amides；Plasticizer is adjacent benzene two One kind in formic acid dioctyl ester or dibutyl phthalate, solvent are water, and the auxiliary material is compound rare-earth, and compound rare-earth is pressed Mass percent meter includes following components：Dysprosium：5-9%, cerium：15-19%, praseodymium：6-9%, neodymium：2-5%, remaining is lanthanum element, the above The sum of lanthanide rare each component is 100%.
The production technology of foregoing anti-clogging high temperature resistant condenser tubes, the preparation method of bromine carbon polyurethane resin material, Specifically include following steps：
A., ethyl acetate, cellulose ether and calcium chloride are added to agitating and heating in the three-necked flask of 250ml, filled on three-necked flask There are agitating device, water knockout drum agent condenser pipe, the reflux dewatering 2-3h at 150-160 DEG C；
When b. reducing temperature to 55-65 DEG C, 2,4- toluene di-isocyanate(TDI)s are added into three-necked flask, with dewatered acetic acid fourth Ester dissolves tetrabromobisphenol A at 30-35 DEG C to obtain tetrabromobisphenol A solution for solvent, and tetrabromobisphenol A solution is added three mouthfuls of burnings In bottle, into three-necked flask, dropwise addition potassium dihydrogen phosphate, base oil and viscosity modifier, agitating and heating are reacted at 85-95 DEG C 20-30min；
C. cooled to room temperature after reaction, dewatered raw material in step a is added in three-necked flask, and add phosphorus Acid dihydride potassium, reacts 15-20min at 60-65 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, then metal deactivating Agent and aromatic polyamide staple fiber are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model groove, It is spare after presulfurization 1-3h at 75 DEG C；
E. mould, and the coating polyethylene wax in mould are cleared up, and mould is preheated to 75-85 DEG C, by the fiber after presulfurization Placed in a mold with pre-polymer mixture, molding, temperature is risen to 150-160 DEG C, cures, treats mould cooled to room temperature When, the demoulding obtains bromine carbon polyurethane material.
Technical solution beneficial effect using the present invention is：It with the addition of dispersant in instant component, dispersant can increase Compatibility between base-material, can prevent that particle wadding is poly-, reduce paint viscosity, be firmly adsorbed on the surface of dispersed particle, and carry For good space repulsion, after making particle fully dispersed under high velocity agitation, it will not again reunite because of Van der Waals force, adsorb Layer will not be peeled off from particle surface when being subject to external force to act on and cause the unstable of system, thus optimize the physics of coating with Chemical property；
Coalescents are added in instant component, coalescents are one in ethylene glycol ethyl ether, butyl glycol ether or propane diols Kind, add coalescents and paint film can also normally be formed a film below 5 °C, improve the weatherability of coating in the present invention；
The compound rare-earth of the present invention, since the metallic atomic radius of above rare earth element is big and rare earth has higher activity, very The gap of storeroom is easily filled up, meanwhile, rare earth element is easily and the element compounds such as oxygen, sulphur generate the high compound of fusing point, compound The addition of rare earth improves the dispersiveness and compatibility that prepare coating to a certain extent, product mix is uniformly also improved painting The anti-flammability of material.
Embodiment
Embodiment 1
The present embodiment provides a kind of production technology of anti-clogging high temperature resistant condenser tubes, and in the outer surface of pipeline, coating is anti-blocking resistance to Heat zone, concrete operations are as follows：
（1）Pipeline is first cleaned with the pure water that temperature is 75 DEG C, is then dried up, drying temperature is 95 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 2-3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water purification is rinsed, and last wind turbine drying is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：15 parts, fine-grained alumina：21 parts, dispersant：3 parts, zinc oxide：11 parts, delustering agent：6 parts, Silica-based polymer Agent：2 parts；Water based acrylic resin：22 parts, bromine carbon polyurethane resin material：10 parts, 9 parts of antimony oxide, thickener： 12 parts；Deionized water：15 parts, allyl alcohol：8 parts, trichloro ethylene：2 parts, 2- butanone cyclohexanone：2 parts, coalescents：14 parts, increase Mould agent：10 parts, auxiliary material：11 parts, solvent：12 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：16 parts, cellulose ether：21 parts, calcium chloride：6 parts, potassium dihydrogen phosphate：11 parts, base oil：30 parts, viscosity tune Save agent：18 parts, metal deactivator：12 parts, aromatic polyamide staple fiber：13 parts；
（3）By step（1）In the valve handled well send 250 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.05mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.11mm to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 80 DEG C with the speed of 7 DEG C/s, is then air-cooled to 50 DEG C, then use water with 3 DEG C/s Cooling velocity be cooled to 30 DEG C, be finally air-cooled to room temperature；
Dispersant includes the one or more in hydrophobic modified carboxylic acid sodium salt, polyacrylic acid sodium salt or ammonium salt；Delustering agent is to change Property polyester acrylate；Thickener is one in polyvinyl alcohol, poly-vinegar polyethylene emulsion, water soluble phenol resin or POLYPROPYLENE GLYCOL Kind；Coalescents are one kind in ethylene glycol ethyl ether, butyl glycol ether or propane diols, and defoamer is organosilicon, organosiloxane Or the one or more in acid amides；Plasticizer is one kind in dioctyl phthalate or dibutyl phthalate, solvent For water, the auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：5%, cerium：15%, praseodymium： 6%, neodymium：2%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%.
The preparation method of bromine carbon polyurethane resin material, specifically includes following steps：
A., ethyl acetate, cellulose ether and calcium chloride are added to agitating and heating in the three-necked flask of 250ml, filled on three-necked flask There are agitating device, water knockout drum agent condenser pipe, the reflux dewatering 2h at 150 DEG C；
When b. reducing temperature to 55 DEG C, 2,4- toluene di-isocyanate(TDI)s are added into three-necked flask, with dewatered butyl acetate At 30 DEG C tetrabromobisphenol A is dissolved to obtain tetrabromobisphenol A solution for solvent, tetrabromobisphenol A solution is added in three-necked flask, Potassium dihydrogen phosphate, base oil and viscosity modifier, agitating and heating are added dropwise into three-necked flask and reacts 20min at 85 DEG C；
C. cooled to room temperature after reaction, dewatered raw material in step a is added in three-necked flask, and add phosphorus Acid dihydride potassium, reacts 15min at 60 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, then metal deactivating Agent and aromatic polyamide staple fiber are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model groove, It is spare after presulfurization 1h at 75 DEG C；
E. mould, and the coating polyethylene wax in mould are cleared up, and mould is preheated to 75 DEG C, by the fiber after presulfurization and in advance Aggressiveness mixture is placed in a mold, molding, and temperature is risen to 150 DEG C, is cured, when mould cooled to room temperature, the demoulding Obtain bromine carbon polyurethane material.
Embodiment 2
The present embodiment provides a kind of production technology of anti-clogging high temperature resistant condenser tubes, and in the outer surface of pipeline, coating is anti-blocking resistance to Heat zone, concrete operations are as follows：
（1）Pipeline is first cleaned with the pure water that temperature is 85 DEG C, is then dried up, drying temperature is 100 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water rinses, and last wind turbine drying is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：19 parts, fine-grained alumina：26 parts, dispersant：8 parts, zinc oxide：19 parts, delustering agent：8 parts, Silica-based polymer Agent：9 parts；Water based acrylic resin：26 parts, bromine carbon polyurethane resin material：13 parts, 16 parts of antimony oxide, thickener： 16 parts；Deionized water：22 parts, allyl alcohol：11 parts, trichloro ethylene：5 parts, 2- butanone cyclohexanone：9 parts, coalescents：19 parts, increase Mould agent：13 parts, auxiliary material：13 parts, solvent：19 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：19 parts, cellulose ether：26 parts, calcium chloride：9 parts, potassium dihydrogen phosphate：17 parts, base oil：37 parts, viscosity tune Save agent：22 parts, metal deactivator：18 parts, aromatic polyamide staple fiber：18 parts；
（3）By step（1）In the valve handled well send 320 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.09mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.13mm to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 110 DEG C with the speed of 7 DEG C/s, is then air-cooled to 60 DEG C, then use water with 3 DEG C/s Cooling velocity be cooled to 40 DEG C, be finally air-cooled to room temperature；
The production technology of anti-clogging high temperature resistant condenser tubes, dispersant include hydrophobic modified carboxylic acid sodium salt, Sodium Polyacrylate One or more in salt or ammonium salt；Delustering agent is modified polyester acrylate ester；Thickener is polyvinyl alcohol, poly-vinegar polyethylene breast One kind in liquid, water soluble phenol resin or POLYPROPYLENE GLYCOL；Coalescents are in ethylene glycol ethyl ether, butyl glycol ether or propane diols One kind, defoamer be organosilicon, organosiloxane or acid amides in one or more；Plasticizer is dioctyl phthalate Or one kind in dibutyl phthalate, solvent are water, the auxiliary material is compound rare-earth, and compound rare-earth is by mass percentage Meter includes following components：Dysprosium：9%, cerium：19%, praseodymium：9%, neodymium：5%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%；
The preparation method of bromine carbon polyurethane resin material, specifically includes following steps：
A., ethyl acetate, cellulose ether and calcium chloride are added to agitating and heating in the three-necked flask of 250ml, filled on three-necked flask There are agitating device, water knockout drum agent condenser pipe, the reflux dewatering 3h at 160 DEG C；
When b. reducing temperature to 65 DEG C, 2,4- toluene di-isocyanate(TDI)s are added into three-necked flask, with dewatered butyl acetate At 35 DEG C tetrabromobisphenol A is dissolved to obtain tetrabromobisphenol A solution for solvent, tetrabromobisphenol A solution is added in three-necked flask, Potassium dihydrogen phosphate, base oil and viscosity modifier, agitating and heating are added dropwise into three-necked flask and reacts 30min at 95 DEG C；
C. cooled to room temperature after reaction, dewatered raw material in step a is added in three-necked flask, and add phosphorus Acid dihydride potassium, reacts 20min at 65 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, then metal deactivating Agent and aromatic polyamide staple fiber are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model groove, It is spare after presulfurization 3h at 75 DEG C；
E. mould, and the coating polyethylene wax in mould are cleared up, and mould is preheated to 85 DEG C, by the fiber after presulfurization and in advance Aggressiveness mixture is placed in a mold, molding, and temperature is risen to 160 DEG C, is cured, when mould cooled to room temperature, the demoulding Obtain bromine carbon polyurethane material
Embodiment 3
The present embodiment provides a kind of production technology of anti-clogging high temperature resistant condenser tubes, and in the outer surface of pipeline, coating is anti-blocking resistance to Heat zone, concrete operations are as follows：
（1）Pipeline is first cleaned with the pure water that temperature is 80 DEG C, is then dried up, drying temperature is 98 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 2 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water rinses, and last wind turbine drying is stand-by；
（2）Anti-blocking high temperature resistance coating is prepared, anti-blocking high temperature resistance coating includes following components according to the mass fraction：
Black silicon carbide：18 parts, fine-grained alumina：22 parts, dispersant：7 parts, zinc oxide：16 parts, delustering agent：7 parts, Silica-based polymer Agent：8 parts；Water based acrylic resin：25 parts, bromine carbon polyurethane resin material：12 parts, 13 parts of antimony oxide, thickener： 15 parts；Deionized water：20 parts, allyl alcohol：9 parts, trichloro ethylene：3 parts, 2- butanone cyclohexanone：7 parts, coalescents：17 parts, increase Mould agent：12 parts, auxiliary material：12 parts, solvent：17 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
Ethyl acetate：17 parts, cellulose ether：23 parts, calcium chloride：8 parts, potassium dihydrogen phosphate：15 parts, base oil：35 parts, viscosity tune Save agent：20 parts, metal deactivator：17 parts, aromatic polyamide staple fiber：16 parts；
（3）By step（1）In the valve handled well send 300 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.06mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.12mm to coating materials thickness；
（4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
Cooling specially first uses water to be cooled to 100 DEG C with the speed of 7 DEG C/s, is then air-cooled to 55 DEG C, then use water with 3 DEG C/s Cooling velocity be cooled to 35 DEG C, be finally air-cooled to room temperature；
Dispersant includes the one or more in hydrophobic modified carboxylic acid sodium salt, polyacrylic acid sodium salt or ammonium salt；Delustering agent is to change Property polyester acrylate；Thickener is one in polyvinyl alcohol, poly-vinegar polyethylene emulsion, water soluble phenol resin or POLYPROPYLENE GLYCOL Kind；Coalescents are one kind in ethylene glycol ethyl ether, butyl glycol ether or propane diols, and defoamer is organosilicon, organosiloxane Or the one or more in acid amides；Plasticizer is one kind in dioctyl phthalate or dibutyl phthalate, solvent For water, the auxiliary material is compound rare-earth, and compound rare-earth includes following components by mass percentage：Dysprosium：6%, cerium：16%, praseodymium： 8%, neodymium：3%, remaining is that the sum of lanthanum element, above lanthanide rare each component is 100%.
The preparation method of bromine carbon polyurethane resin material, specifically includes following steps：
A., ethyl acetate, cellulose ether and calcium chloride are added to agitating and heating in the three-necked flask of 250ml, filled on three-necked flask There are agitating device, water knockout drum agent condenser pipe, the reflux dewatering 2.5h at 155 DEG C；
When b. reducing temperature to 60 DEG C, 2,4- toluene di-isocyanate(TDI)s are added into three-necked flask, with dewatered butyl acetate At 32 DEG C tetrabromobisphenol A is dissolved to obtain tetrabromobisphenol A solution for solvent, tetrabromobisphenol A solution is added in three-necked flask, Potassium dihydrogen phosphate, base oil and viscosity modifier, agitating and heating are added dropwise into three-necked flask and reacts 25min at 90 DEG C；
C. cooled to room temperature after reaction, dewatered raw material in step a is added in three-necked flask, and add phosphorus Acid dihydride potassium, reacts 18min at 62 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, then metal deactivating Agent and aromatic polyamide staple fiber are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model groove, It is spare after presulfurization 2h at 75 DEG C；
E. mould, and the coating polyethylene wax in mould are cleared up, and mould is preheated to 80 DEG C, by the fiber after presulfurization and in advance Aggressiveness mixture is placed in a mold, molding, and temperature is risen to 155 DEG C, is cured, when mould cooled to room temperature, the demoulding Obtain bromine carbon polyurethane material.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape Into technical solution, all fall within the protection domains of application claims.

Claims (5)

  1. A kind of 1. production technology of anti-clogging high temperature resistant condenser tubes, it is characterised in that：In the outer surface of pipeline, coating is anti-blocking High-temperature-resistant layer, concrete operations are as follows：
    （1）The pure water that pipeline is first 75-85 DEG C with temperature is cleaned, is then dried up, drying temperature is 95-100 DEG C, then certainly So it is cooled to room temperature, dried valve surface is cleaned into rubber surface 2-3 times with fat hydrocarbon solvent, is again 50 with temperature DEG C pure water rinse, the drying of last wind turbine is stand-by；
    （2）Anti-blocking high temperature resistance coating is prepared, the anti-blocking high temperature resistance coating includes following components according to the mass fraction：
    Black silicon carbide：15-19 parts, fine-grained alumina：21-26 parts, dispersant：3-8 parts, zinc oxide：11-19 parts, delustering agent：6- 8 parts, Silica-based polymer agent：2-9 parts；Water based acrylic resin：22-26 parts, bromine carbon polyurethane resin material：10-13 parts, three Aoxidize 9-16 parts of two antimony, thickener：12-16 parts；Deionized water：15-22 parts, allyl alcohol：8-11 parts, trichloro ethylene：2-5 parts, 2- butanone cyclohexanone：2-9 parts, coalescents：14-19 parts, plasticizer：10-13 parts, auxiliary material：11-13 parts, solvent：12-19 parts；
    The bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
    Ethyl acetate：16-19 parts, cellulose ether：21-26 parts, calcium chloride：6-9 parts, potassium dihydrogen phosphate：11-17 parts, base oil： 30-37 parts, viscosity modifier：18-22 parts, metal deactivator：12-18 parts, aromatic polyamide staple fiber：13-18 parts；
    （3）By step（1）In the valve handled well send 250-320 DEG C be preheated into heating furnace, in being set subsequently into spraying, First with spray gun to the tiny grains of sand of valve surface even application, thickness 0.05-0.09mm, is then heating and curing rapidly, in repetition It is 0.11-0.13mm to state spraying coating process to coating materials thickness；
    （4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
    The cooling specially first uses water to be cooled to 80-110 DEG C with the speed of 7 DEG C/s, is then air-cooled to 50-60 DEG C, then Use water to be cooled to 30-40 DEG C with the cooling velocity of 3 DEG C/s, be finally air-cooled to room temperature.
  2. 2. the production technology of anti-clogging high temperature resistant condenser tubes according to claim 1, it is characterised in that：In pipeline Outer surface coats anti-blocking high temperature resistance layer, and concrete operations are as follows：
    （1）Pipeline is first cleaned with the pure water that temperature is 75 DEG C, is then dried up, drying temperature is 95 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 2-3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water purification is rinsed, and last wind turbine drying is stand-by；
    （2）Anti-blocking high temperature resistance coating is prepared, the anti-blocking high temperature resistance coating includes following components according to the mass fraction：
    Black silicon carbide：15 parts, fine-grained alumina：21 parts, dispersant：3 parts, zinc oxide：11 parts, delustering agent：6 parts, Silica-based polymer Agent：2 parts；Water based acrylic resin：22 parts, bromine carbon polyurethane resin material：10 parts, 9 parts of antimony oxide, thickener： 12 parts；Deionized water：15 parts, allyl alcohol：8 parts, trichloro ethylene：2 parts, 2- butanone cyclohexanone：2 parts, coalescents：14 parts, increase Mould agent：10 parts, auxiliary material：11 parts, solvent：12 parts；
    The bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
    Ethyl acetate：16 parts, cellulose ether：21 parts, calcium chloride：6 parts, potassium dihydrogen phosphate：11 parts, base oil：30 parts, viscosity tune Save agent：18 parts, metal deactivator：12 parts, aromatic polyamide staple fiber：13 parts；
    （3）By step（1）In the valve handled well send 250 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.05mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.11mm to coating materials thickness；
    （4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
    The cooling specially first uses water to be cooled to 80 DEG C with the speed of 7 DEG C/s, is then air-cooled to 50 DEG C, then use water with The cooling velocity of 3 DEG C/s is cooled to 30 DEG C, is finally air-cooled to room temperature.
  3. 3. the production technology of anti-clogging high temperature resistant condenser tubes according to claim 1, it is characterised in that：In pipeline Outer surface coats anti-blocking high temperature resistance layer, and concrete operations are as follows：
    （1）Pipeline is first cleaned with the pure water that temperature is 85 DEG C, is then dried up, drying temperature is 100 DEG C, then natural cooling To room temperature, dried valve surface is cleaned into rubber surface 3 times with fat hydrocarbon solvent, is again 50 DEG C pure with temperature Water rinses, and last wind turbine drying is stand-by；
    （2）Anti-blocking high temperature resistance coating is prepared, the anti-blocking high temperature resistance coating includes following components according to the mass fraction：
    Black silicon carbide：19 parts, fine-grained alumina：26 parts, dispersant：8 parts, zinc oxide：19 parts, delustering agent：8 parts, Silica-based polymer Agent：9 parts；Water based acrylic resin：26 parts, bromine carbon polyurethane resin material：13 parts, 16 parts of antimony oxide, thickener： 16 parts；Deionized water：22 parts, allyl alcohol：11 parts, trichloro ethylene：5 parts, 2- butanone cyclohexanone：9 parts, coalescents：19 parts, increase Mould agent：13 parts, auxiliary material：13 parts, solvent：19 parts；
    The bromine carbon poly urethane resin composite materials include following components according to the mass fraction：
    Ethyl acetate：19 parts, cellulose ether：26 parts, calcium chloride：9 parts, potassium dihydrogen phosphate：17 parts, base oil：37 parts, viscosity tune Save agent：22 parts, metal deactivator：18 parts, aromatic polyamide staple fiber：18 parts；
    （3）By step（1）In the valve handled well send 320 DEG C be preheated into heating furnace, in being set subsequently into spraying, first use To the tiny grains of sand of valve surface even application, thickness 0.09mm, is then heating and curing rapidly spray gun, repeats above-mentioned spraying coating process It is 0.13mm to coating materials thickness；
    （4）The valve for being coated with wear-resistant paint is cooled down, after being cooled to room temperature, is examined, storage；
    The cooling specially first uses water to be cooled to 110 DEG C with the speed of 7 DEG C/s, is then air-cooled to 60 DEG C, then using water It is cooled to 40 DEG C with the cooling velocity of 3 DEG C/s, is finally air-cooled to room temperature.
  4. 4. the production technology of anti-clogging high temperature resistant condenser tubes according to claim 1, it is characterised in that：It is described scattered Agent includes the one or more in hydrophobic modified carboxylic acid sodium salt, polyacrylic acid sodium salt or ammonium salt；The delustering agent is modification Polyester acrylate；The thickener is in polyvinyl alcohol, poly-vinegar polyethylene emulsion, water soluble phenol resin or POLYPROPYLENE GLYCOL One kind；The coalescents are one kind in ethylene glycol ethyl ether, butyl glycol ether or propane diols, and the defoamer is to have One or more in machine silicon, organosiloxane or acid amides；The plasticizer is dioctyl phthalate or O-phthalic One kind in dibutyl phthalate, the solvent are water, and the auxiliary material is compound rare-earth, and the compound rare-earth is by mass percentage Meter includes following components：Dysprosium：5-9%, cerium：15-19%, praseodymium：6-9%, neodymium：2-5%, remaining is lanthanum element, and above lanthanide rare is each The sum of component is 100%.
  5. 5. the production technology of anti-clogging high temperature resistant condenser tubes according to claim 1, it is characterised in that：The bromine carbon The preparation method of polyurethane resin material, specifically includes following steps：
    A., ethyl acetate, cellulose ether and calcium chloride are added to agitating and heating in the three-necked flask of 250ml, described three mouthfuls of burnings Equipped with agitating device, water knockout drum agent condenser pipe on bottle, the reflux dewatering 2-3h at 150-160 DEG C；
    When b. reducing temperature to 55-65 DEG C, 2,4- toluene di-isocyanate(TDI)s are added into three-necked flask, with dewatered acetic acid fourth Ester dissolves tetrabromobisphenol A at 30-35 DEG C to obtain tetrabromobisphenol A solution for solvent, and tetrabromobisphenol A solution is added three mouthfuls of burnings In bottle, into three-necked flask, dropwise addition potassium dihydrogen phosphate, base oil and viscosity modifier, agitating and heating are reacted at 85-95 DEG C 20-30min；
    C. cooled to room temperature after reaction, dewatered raw material in step a is added in three-necked flask, and add phosphorus Acid dihydride potassium, reacts 15-20min at 60-65 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
    D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, then metal deactivating Agent and aromatic polyamide staple fiber are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model groove, It is spare after presulfurization 1-3h at 75 DEG C；
    E. mould, and the coating polyethylene wax in mould are cleared up, and mould is preheated to 75-85 DEG C, by the fiber after presulfurization Placed in a mold with pre-polymer mixture, molding, temperature is risen to 150-160 DEG C, cures, treats mould cooled to room temperature When, the demoulding obtains bromine carbon polyurethane material.
CN201711294471.8A 2017-12-08 2017-12-08 A kind of production technology of anti-clogging high temperature resistant condenser tubes Pending CN108003679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711294471.8A CN108003679A (en) 2017-12-08 2017-12-08 A kind of production technology of anti-clogging high temperature resistant condenser tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711294471.8A CN108003679A (en) 2017-12-08 2017-12-08 A kind of production technology of anti-clogging high temperature resistant condenser tubes

Publications (1)

Publication Number Publication Date
CN108003679A true CN108003679A (en) 2018-05-08

Family

ID=62057704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711294471.8A Pending CN108003679A (en) 2017-12-08 2017-12-08 A kind of production technology of anti-clogging high temperature resistant condenser tubes

Country Status (1)

Country Link
CN (1) CN108003679A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113996512A (en) * 2021-10-25 2022-02-01 国网江苏省电力有限公司检修分公司 Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103643194A (en) * 2013-12-10 2014-03-19 镇江市华阳机电制造有限公司 Process for wear-resistant treatment of valve core of instrument valve
CN104004435A (en) * 2014-05-27 2014-08-27 江苏欣安新材料技术有限公司 High-temperature (800 DEG C) wear-resistant paint and preparation method thereof
CN104650709A (en) * 2015-03-11 2015-05-27 江苏欣安新材料技术有限公司 Two-component polyurethane ultra-thin steel structure fireproof coating and preparation technology thereof
CN106701266A (en) * 2016-12-21 2017-05-24 苏州劲元油压机械有限公司 Anti-oxidization high-density hydraulic oil and preparation method of anti-oxidization high-density hydraulic oil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103643194A (en) * 2013-12-10 2014-03-19 镇江市华阳机电制造有限公司 Process for wear-resistant treatment of valve core of instrument valve
CN104004435A (en) * 2014-05-27 2014-08-27 江苏欣安新材料技术有限公司 High-temperature (800 DEG C) wear-resistant paint and preparation method thereof
CN104650709A (en) * 2015-03-11 2015-05-27 江苏欣安新材料技术有限公司 Two-component polyurethane ultra-thin steel structure fireproof coating and preparation technology thereof
CN106701266A (en) * 2016-12-21 2017-05-24 苏州劲元油压机械有限公司 Anti-oxidization high-density hydraulic oil and preparation method of anti-oxidization high-density hydraulic oil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113996512A (en) * 2021-10-25 2022-02-01 国网江苏省电力有限公司检修分公司 Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition

Similar Documents

Publication Publication Date Title
CN101307194B (en) Organic-inorganic hybridization ultraviolet cured paint for protecting metallic surface
CN101880485B (en) Rare-earth sol modified composite zinc-aluminum low-temperature sintered coating slurry
CN103031038A (en) Low-temperature cured cathode electrophoretic coating, and preparation method and use method thereof
CN110922862A (en) Nano SiO2Preparation method of modified epoxy resin super-hydrophobic coating material
CN105838188A (en) Treating process of high-temperature-resistant tubular product for waste-heat utilization device
CN112239625A (en) Silicon dioxide-graphene oxide/polyurethane acrylic resin anticorrosion coating
CN107163894A (en) A kind of high-strength, quick-drying moisture-proof adhesive and preparation method thereof
CN108047892B (en) Ultrafast-drying epoxy primer and preparation method thereof
CN111777367B (en) Waterproof repair mortar for building wall and preparation method thereof
CN104387922B (en) Water-based static conductive paint and preparation method thereof
CN111518473A (en) Nano-zirconia modified epoxy organosilicon-polysiloxane heat-insulating corrosion-resistant coating and preparation method thereof
CN108003679A (en) A kind of production technology of anti-clogging high temperature resistant condenser tubes
CN103553426A (en) Preparation method of polymer and cement composite waterproof coating
CN107955443A (en) A kind of selfreparing anti-corrosion primer
CN104327555A (en) Water-based strippable coating and preparation method thereof
CN108003688A (en) A kind of preparation method of selfreparing anti-corrosion primer
CN104212207A (en) Water-based zinc-rich corrosion-resistant paint and preparation method thereof
CN105838191A (en) Waterborne epoxy zinc-rich primer
CN105001825A (en) Low temperature resisting epoxy resin adhesive and preparation method thereof
WO2019109380A1 (en) Compressor for refrigeration system
CN107828074A (en) A kind of anti-oxidant sheet plastic of antistatic and its production technology
CN105440894A (en) Light-cured coating composition for metal surface corrosion resistance
CN104371460A (en) Zinc surface repairing paint for power transmission towers and preparing method thereof
CN104761183A (en) Super-hydrophobic artificial marble and preparation method thereof
CN102795827B (en) Tile interface treating agent and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180508