CN104387853A - High-cohesiveness and high-temperature-resisting polypropylene anticorrosive paint, as well as preparation method and painting method thereof - Google Patents
High-cohesiveness and high-temperature-resisting polypropylene anticorrosive paint, as well as preparation method and painting method thereof Download PDFInfo
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- CN104387853A CN104387853A CN201410647241.5A CN201410647241A CN104387853A CN 104387853 A CN104387853 A CN 104387853A CN 201410647241 A CN201410647241 A CN 201410647241A CN 104387853 A CN104387853 A CN 104387853A
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- polypropylene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/10—Homopolymers or copolymers of propene
-
- 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
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a high-cohesiveness and high-temperature-resisting polypropylene anticorrosive paint, as well as a preparation method and a painting method thereof. The paint is prepared from the following raw materials in parts by mass: 100 parts of polypropylene, 5-10 parts of an elastomer, 5-15 parts of a graft, 5-10 parts of waste tire powder, 0.2-0.4 part of an antioxidant, 0-5 parts of a high-efficiency heat transferring agent and 0-0.4 part of a dispersing lubricant. The preparation method of the paint comprises the following steps: mixing and stirring polypropylene and the other ingredients, extruding through an extruder, grinding the extruded particles into powder and finally painting. According to the composite paint disclosed by the invention, polypropylene is taken as base resin; in comparison with the existing commonly used polypropylene, the paint material is more excellent in rigidity and hardness, also excellent in toughness and creep resistance, free of drop and rhagadia phenomena caused by shrinkage and also capable of effectively transferring the heat applied to the paint to a metal pipeline so that the heat resistance of the paint is improved.
Description
Technical field
The present invention relates to protective system, particularly a kind of preparation of high bonding high-temperature resistant polypropylene protective system and brushing method.
Background technology
Along with expanding economy, to the requirement for anticorrosion such as pipeline, pump, day by day urgent and class improves constantly the every profession and trade such as chemical industry, oil, boats and ships, power plant, public utilities, it is also proposed more and more higher requirement to material antiseptic performance.Chinese patent CN922397360.9 discloses the anti-corrosion pipeline of a kind of steel plastic integral bonding and the preparation method of container, this pipeline and container are made up of steel body and thermoplastic plastic layer, there is steel and mould the advantage that bonding is firm, antiseptic property is good, can be used for the field such as chemical industry, metallurgy.But common monolayer thermoplastic's corrosion-proof lining is requiring, under harsh Application Areas (high temperature alkali corrosion, halogen system acid liquid corrosion), can not meet the demands.Under height corrosion operating environment, the thermosetting material that antiseptic property is higher must be adopted.These materials generally adopted clinkery epoxy powder (FBE), coal tar enamel (CTE) and polyethylene composite structure (three layers of PE) in the past.These impregnating material overall preservation performances can meet the requirement of oil-gas pipeline corrosion protection, but still have respective defect, as thinner in clinkery epoxy powder preservative coat, resistant to mechanical damage intensity difference; The shortcoming that coal tar enamel is cold short, hot-fluid drops down and may pollute environment, makes its application surface more and more narrow; And polyethylene three-layer composite structure anticorrosive construction complex process.Patent CN101240134A discloses a kind of epoxy modifying polyethylene bi-component powdery paints, there is crosslinking reaction under appropriate circumstances in this coating, form inierpeneirating network structure, there is excellent antiseptic property, but the material viscosity that the method adopts is larger, particularly epoxy resin, in order to obtain excellent mechanical property, general employing high viscosity epoxy, therefore tack of materials is large, be not suitable for roll moulding shaping technology, and, in the preparation method of this material, adding of inorganic particulate belongs to dry mixing process, disperse uneven, during for rotation molding, very easily be deposited between metallic conduit and inner lining material, greatly reduce the cohesive force between inner lining material and metal, under subnormal ambient, easily cause shelling.Patent CN87100920A discloses the coating method of a kind of anti-corrosion wear resisting powder paint and this coating, the method is with epoxy resin, nylon powder, Dyhard RU 100, glass-cermic powder is that protective system prepared by raw material, and this coating has effect that is anticorrosion, wear-resisting, strengthening concurrently, can be used for anticorrosion in acid or alkali environment of metallic conduit, but equally because tack of materials is comparatively large, be more suitable for spraying coating process.Patent CN201120454406.9, CN200520035161.0 and CN200910198529.8 all adopt multilayer loop epoxy resins corrosion protection coating, the method first applies last layer epoxy powder on metallic conduit wall, and then apply last layer sizing agent, finally wrap up one deck polyolefine.This anti-corrosion pipeline adopts multi-layer anticorrosion coating, not only effectively improves the antiseptic property of pipeline, and gives the cohesive force of material high.But this material due to construction technology loaded down with trivial details, production control is more loaded down with trivial details, and cost is higher, and easily occur in commissure extrude thinning phenomenon, cause tectum defect or produce hollowing, cause galvanic protection dead band.Be mainly used in pipeline outer anticorrosion, for the pipeline that interior anticorrosion particularly bore is less, and inapplicable.
In order to obtain higher production efficiency, revolving in recent years and moulding (rotation showering) technique and be widely used in anticorrosion industry, achieving the heavy antisepsis of inner-walls of duct and small-bore pipeline.At present, state's inward turning ratio in the middle of raw material shared by linear low density polyethylene of moulding is 93%.In above-mentioned high corrosion-resistant field, because linear low density polyethylene is corrosion-resistant, wear-resisting, impermeable, the shortcoming of heat-resisting creep properties aspect, limits the application of linear low density polyethylene.Afterwards, crosslinked polyethylene starts to be applied to pipeline corrosion protection field.Patent CN1039039A adopts the method for radiation to prepare radial pattern crosslinked polyethylene, and material is used for the repaired mouth aspect of oil field gathering and transportation steel corrosion utilidor.But relative chemical is cross-linked, and radiation crosslinking efficiency is very low, and crosslink material degree is low, cannot meet requirement for anticorrosion, and due to device-restrictive, is difficult to realize the interior anticorrosion of caliber long tube road.Patent CN1524899A, CN1523052A is resin based on linear low density polyethylene and Low Density Polyethylene compounding ingredient, peroxide crosslinking technique is adopted to prepare crosslinked polyethylene rotational moulding PP Pipe Compound, crosslinked polyethylene prepared by this technique has good shock resistance and chemical resistance, but two kinds of raw materials are all Low Density Polyethylenes, the thermodynamics intensity of raw material is relatively poor, after crosslinked, density reduces further, although material can not be corroded by solvability, but easily corroded by swelling property, be not suitable for corrosion, barrier requires higher pipeline, and pipeline wear resisting property increase rate prepared by this method is little, higher flyash is being required to wear resisting property, silt, grain transportation art, do not advise using.Patent CN 1876706A discloses the preparation method of silane crosslinked polyethylene plastic, the method is widely used in anti-crack tube, CABLE MATERIALS aspect, but the material of this technological forming has to pass through water-bath (or steam bath) aftertreatment, crosslinked required moisture is all spread from boundary.The velocity of diffusion of water in the non-hydrophilic superpolymer such as polyethylene is slow, and goods are thicker, and the crosslinked required time is longer, needs to consume mass energy, brings very large inconvenience, add technical process and cost to silane cross-linked polyolefin industrialization.In addition, it is no matter the crosslinked polyethylene of peroxide process or silane process, due to the poly build-in attribute of base resin, although make corrosion protection coating at high temperature can not melting, but still meeting deliquescing, even there is shelling phenomenon, can not be applied in the anticorrosion environment of high-temperature medium, and crosslinking process controls complicated, the difficulty that the equipment that adds is shaping.
Summary of the invention
Goal of the invention: the shortcoming existed for above prior art, a kind of making and brushing method of high bonding high-temperature resistant polypropylene protective system are proposed, this composite coating can make pipeline anticorrosion coating have excellent rigidity and hardness, there is excellent resistance to chemical attack, high-barrier, high heat-resisting, the performance of high bonding simultaneously.
Technical scheme: a kind of high bonding high-temperature resistant polypropylene protective system of the present invention, this coating is made up of the following raw material measured according to mass fraction:
Polypropylene 100 parts
Elastomerics 5-10 part
Grafts 5-15 part
Junked tire powder 5-10 part
Oxidation inhibitor 0.2-0.4 part
High-efficiency heat conduction agent 0-5 part
Dispersed lubricant 0-0.4 part.
As preferably, described polypropylene selects one in homopolymer polypropylene or polypropylene copolymer or two kinds of combinations, selects its density to be 0.85-0.95g/cm
3, melt flow rate (MFR) is 2-20g/10min.
As preferably, described grafts selects the combination of a kind of in tasteless Research of Grafting Malaic Anhydride Onto Polyethylene, tasteless POE grafted maleic anhydride or two kinds.
As preferably, described elastomerics selects one or more the combination in styrene-butadiene copolymer, styrene ethylene butadiene multipolymer, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-propylene copolymer, polyurethane elastomer, ethylene-acrylic acid copolymer.
As preferably, the order number of described junked tire powder is not less than 100 orders.
As preferably, one or more the combination in nanometer silicon carbide, aluminium nitride, boron nitride, magnesium oxide, aluminum oxide and powdered graphite is selected in described high-efficiency heat conduction agent.
As preferably, described dispersed lubricant selects one or more the combination in ethylene bis stearamide, polyethylene wax, montanic acid, calcium stearate, stearic acid.
As preferably, the composite antioxidant of phosphite ester kind antioxidant and Hinered phenols antioxidant composition selected by described oxidation inhibitor, and the weight ratio of its phosphite ester kind antioxidant and Hinered phenols antioxidant is 1:0.3-1:0.7.
The invention also discloses preparation and the brushing method of above-mentioned high bonding high-temperature resistant polypropylene protective system simultaneously, comprise the steps:
(1) by polypropylene in advance drying treatment to moisture content lower than 600ppm, and to weigh, at stirrer for mixing 2-10 minute by certain mass number with elastomerics, junked tire powder, oxidation inhibitor, high-efficiency heat conduction agent, dispersed lubricant and grafts; Then extruding pelletization in twin screw extruder, extrusion temperature is 230-250 DEG C, and screw speed is 300-500rpm, after extruding pelletization, abrasive dust 50-100 order, and powder is dried to moisture content lower than 600ppm;
(2) with sandblast machine to pipe surface to be sprayed rust cleaning, process of deoiling;
(3) by pipeline or equipment as horizontally rotate or bidirectional rotation device in heat, when temperature reaches 270-280 DEG C, removing conduit or equipment also start to fill up powder coating in pipeline, place after 1-2 minute, remove unnecessary, unfused powder in pipeline or equipment, again by pipeline or equipment as horizontally rotate or bidirectional rotation device in, be heated to 240 DEG C, and be incubated 10-20 minute;
(4) stop heating, by the self-heating of workpiece by coating levelling, be finally cooled to room temperature.
Beneficial effect: composite coating base resin provided by the invention is polypropylene, compared with the polyethylene generally adopted at present, coated material has more excellent rigidity and hardness, has excellent toughness and creep-resistant property simultaneously.Containing polar elastomers in coating composition provided by the invention, the visco-elasticity of coating brilliance can be given, material can not be produced because of contraction and come off and crack, even can realize the self-healing of material.Containing high-efficiency heat conduction agent in coating provided by the invention, can effectively by heat conduction suffered by coating to metallic conduit, improve the resistance toheat of coating.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A kind of high bonding high-temperature resistant polypropylene protective system, this coating is made up of the following raw material measured according to mass fraction:
Polypropylene 100 parts
Ethylene-octene copolymer 5 parts
Polypropylene grafted maleic anhydride 5 parts
100 5 parts, order junked tire powder
Composite antioxidant 0.2 part.
Composite antioxidant is wherein mixed by weight 1:0.3 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation of above-mentioned high bonding high-temperature resistant polypropylene protective system and brushing method, comprise the steps:
(1) by polypropylene in advance drying treatment to moisture content lower than 600ppm, and to weigh by above-mentioned mass fraction with elastomerics, junked tire powder, oxidation inhibitor, grafts, stirrer for mixing 2 minutes; Then extruding pelletization in twin screw extruder, extrusion temperature is 230 DEG C, and screw speed is 350rpm, after extruding pelletization, abrasive dust 50 order, and powder is dried to moisture content lower than 600ppm;
(2) with sandblast machine to pipe surface to be sprayed rust cleaning, process of deoiling;
(3) by pipeline or equipment as horizontally rotate or bidirectional rotation device in heat, when temperature reaches 270 DEG C, removing conduit or equipment also start to fill up powder coating in pipeline, place after 1 minute, remove unnecessary, unfused powder in pipeline or equipment, again by pipeline or equipment as horizontally rotate or bidirectional rotation device in, be heated to 240 DEG C, and be incubated 15 minutes;
(4) stop heating, by the self-heating of workpiece by coating levelling, be finally cooled to room temperature.
Embodiment 2
A kind of high bonding high-temperature resistant polypropylene protective system, this coating is made up of the following raw material measured according to mass fraction:
Polypropylene 100 parts
Ethylene-propylene copolymer 8 parts
POE grafted maleic anhydride 10 parts
100 7 parts, order junked tire powder
Nano level aluminium nitride (fineness 10000 order) 2 parts
Calcium stearate 0.2 part
Composite antioxidant 0.3 part
Composite antioxidant is wherein mixed by weight 1:0.3 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation of above-mentioned high bonding high-temperature resistant polypropylene protective system and brushing method, comprise the steps:
(1) by polypropylene in advance drying treatment to moisture content lower than 600ppm, and to weigh by above-mentioned mass fraction with elastomerics, junked tire powder, oxidation inhibitor, high-efficiency heat conduction agent, dispersed lubricant and grafts, stirrer for mixing 5 minutes; Then extruding pelletization in twin screw extruder, extrusion temperature is 240 DEG C, and screw speed is 400rpm, after extruding pelletization, abrasive dust 60 order, and powder is dried to moisture content lower than 600ppm;
(2) with sandblast machine to pipe surface to be sprayed rust cleaning, process of deoiling;
(3) by pipeline or equipment as horizontally rotate or bidirectional rotation device in heat, when temperature reaches 280 DEG C, removing conduit or equipment also start to fill up powder coating in pipeline, place after 2 minutes, remove unnecessary, unfused powder in pipeline or equipment, again by pipeline or equipment as horizontally rotate or bidirectional rotation device in, be heated to 240 DEG C, and be incubated 10 minutes;
(4) stop heating, by the self-heating of workpiece by coating levelling, be finally cooled to room temperature.
Embodiment 3
A kind of high bonding high-temperature resistant polypropylene protective system, this coating is made up of the following raw material measured according to mass fraction:
Polypropylene 100 parts
Styrene-butadiene copolymer 10 parts
Polypropylene grafted maleic anhydride 15 parts
100 10 parts, order junked tire powder
Nanometer silicon carbide (fineness 10000 order) 5 parts
Stearic acid 0.4 part
Composite antioxidant 0.4 part
Composite antioxidant is wherein mixed by weight 1:0.3 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation of above-mentioned high bonding high-temperature resistant polypropylene protective system and brushing method, comprise the steps:
(1) by polypropylene in advance drying treatment to moisture content lower than 600ppm, and to weigh by above-mentioned mass fraction with elastomerics, junked tire powder, oxidation inhibitor, high-efficiency heat conduction agent, dispersed lubricant and grafts, stirrer for mixing 10 minutes; Then extruding pelletization in twin screw extruder, extrusion temperature is 240 DEG C, and screw speed is 450rpm, after extruding pelletization, abrasive dust 80 order, and powder is dried to moisture content lower than 600ppm;
(2) with sandblast machine to pipe surface to be sprayed rust cleaning, process of deoiling;
(3) by pipeline or equipment as horizontally rotate or bidirectional rotation device in heat, when temperature reaches 280 DEG C, removing conduit or equipment also start to fill up powder coating in pipeline, place after 2 minutes, remove unnecessary, unfused powder in pipeline or equipment, again by pipeline or equipment as horizontally rotate or bidirectional rotation device in, be heated to 240 DEG C, and be incubated 15 minutes;
(4) stop heating, by the self-heating of workpiece by coating levelling, be finally cooled to room temperature.
The various embodiments described above test result is as shown in the table:
As can be seen from the above table, a kind of high bonding high-temperature resistant polypropylene protective system adopting present method to prepare has higher hardness, good thermotolerance, compared with polyethylene rotational molding material, rigidity-toughness balanced, high-temperature resistant, high bonding polypropylene stick coating prepared by present method have excellent over-all properties, can meet multiple requirement for anticorrosion.
Claims (9)
1. a high bonding high-temperature resistant polypropylene protective system, is characterized in that: this coating is made up of the following raw material measured according to mass fraction:
Polypropylene 100 parts
Elastomerics 5-10 part
Grafts 5-15 part
Junked tire powder 5-10 part
Oxidation inhibitor 0.2-0.4 part
High-efficiency heat conduction agent 0-5 part
Dispersed lubricant 0-0.4 part.
2. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: described polypropylene selects one in homopolymer polypropylene or polypropylene copolymer or two kinds of combinations, selects its density to be 0.85-0.95g/cm
3, melt flow rate (MFR) is 2-20g/10min.
3. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: described grafts selects the combination of a kind of in tasteless Research of Grafting Malaic Anhydride Onto Polyethylene, tasteless POE grafted maleic anhydride or two kinds.
4. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: described elastomerics selects one or more the combination in styrene-butadiene copolymer, styrene ethylene butadiene multipolymer, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-propylene copolymer, polyurethane elastomer, ethylene-acrylic acid copolymer.
5. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: the order number of described junked tire powder is not less than 100 orders.
6. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: one or more the combination in nanometer silicon carbide, aluminium nitride, boron nitride, magnesium oxide, aluminum oxide and powdered graphite is selected in described high-efficiency heat conduction agent.
7. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, is characterized in that: described dispersed lubricant selects one or more the combination in ethylene bis stearamide, polyethylene wax, montanic acid, calcium stearate, stearic acid.
8. a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1, it is characterized in that: the composite antioxidant of phosphite ester kind antioxidant and Hinered phenols antioxidant composition selected by described oxidation inhibitor, and the weight ratio of its phosphite ester kind antioxidant and Hinered phenols antioxidant is 1:0.3-1:0.7.
9. the preparation of a kind of high bonding high-temperature resistant polypropylene protective system according to claim 1-8 any one and brushing method, is characterized in that: comprise the steps:
(1) by polypropylene in advance drying treatment to moisture content lower than 600ppm, and to weigh, at stirrer for mixing 2-10 minute by certain mass number with elastomerics, junked tire powder, oxidation inhibitor, high-efficiency heat conduction agent, dispersed lubricant and grafts; Then extruding pelletization in twin screw extruder, extrusion temperature is 230-250 DEG C, and screw speed is 300-500rpm, after extruding pelletization, abrasive dust 50-100 order, and powder is dried to moisture content lower than 600ppm;
(2) with sandblast machine to pipe surface to be sprayed rust cleaning, process of deoiling;
(3) by pipeline or equipment as horizontally rotate or bidirectional rotation device in heat, when temperature reaches 270-280 DEG C, removing conduit or equipment also start to fill up powder coating in pipeline, place after 1-2 minute, remove unnecessary, unfused powder in pipeline or equipment, again by pipeline or equipment as horizontally rotate or bidirectional rotation device in, be heated to 240 DEG C, and be incubated 10-20 minute;
(4) stop heating, by the self-heating of workpiece by coating levelling, be finally cooled to room temperature.
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Cited By (12)
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| CN103333565A (en) * | 2013-05-30 | 2013-10-02 | 蚌埠市时代电子有限公司 | Anti-corrosion heat-dissipation coating and preparation method thereof |
| CN104987792A (en) * | 2015-07-10 | 2015-10-21 | 常州市诺金精密机械有限公司 | Ultraviolet aging resistant exterior wall coating and preparation method thereof |
| CN104987781A (en) * | 2015-07-10 | 2015-10-21 | 常州市诺金精密机械有限公司 | Environment-friendly high-polymer high-temperature-resisting building coating and preparation method thereof |
| CN104987780A (en) * | 2015-07-10 | 2015-10-21 | 常州市诺金精密机械有限公司 | Novel building modified wall coating and preparation method thereof |
| CN105838238A (en) * | 2016-05-27 | 2016-08-10 | 南通好的防腐装备有限公司 | High-viscosity high-temperature-resistance nylon anti-corrosion paint and preparation and painting method |
| CN107384035A (en) * | 2017-07-24 | 2017-11-24 | 马荧莹 | A kind of preparation method of lubricating type anti-corrosive powder paint |
| CN108047827A (en) * | 2017-12-22 | 2018-05-18 | 上海海隆赛能新材料有限公司 | For corrosion-resistant dual-component coating inside steel pipe peculiar to vessel |
| CN108148479A (en) * | 2018-01-23 | 2018-06-12 | 李宏伟 | A kind of environment-friendly high-efficiency heatproof anti-corrosion protective agent |
| WO2018121659A1 (en) * | 2016-12-31 | 2018-07-05 | 广州鹿山新材料股份有限公司 | Polypropylene powder for external layer of 3pp anti-corrosive pipeline coating and preparation method therefor |
| CN111548682A (en) * | 2020-04-28 | 2020-08-18 | 金旸（厦门）新材料科技有限公司 | Anticorrosive polypropylene powder coating and preparation method thereof |
| CN113278227A (en) * | 2021-07-19 | 2021-08-20 | 苏州易昇光学材料有限公司 | Polypropylene-based heat dissipation powder and preparation method and application thereof |
| CN115322474A (en) * | 2022-09-08 | 2022-11-11 | 青岛海纳新材料有限公司 | Polyolefin material for pipeline anticorrosive coating and preparation method thereof |
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