CN103642356A - Crosslinked polypropylene viscoelastic composite coating and preparation method thereof - Google Patents
Crosslinked polypropylene viscoelastic composite coating and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a crosslinked polypropylene viscoelastic composite coating and a preparation method thereof. The coating is prepared from components A and B by mixing, and the weight ratio of the component A to the component B is 9:1; the component A comprises the following ingredients in parts by mass: 100 parts of polypropylene, 0.05-0.2 part of an initiator, 10-20 parts of a graft, 3-5 parts of silane, 3-8 parts of an elastomer, and 0.1-0.5 part of a grafting aid; the component B comprises the following ingredients in parts by mass: 100 parts of polypropylene, 2-10 parts of a heat conducting agent, 0.1-1 part of a dispersing lubricant, 0.3-0.5 part of a surface treatment agent, 0.4-1 part of a catalyst, 1-3 parts of a dehydrating agent, and 0.1-0.4 part of an antioxidant. A base resin of the composite coating is crosslinking polypropylene which both ensures the sufficient crosslinking efficiency and reduces the crystallinity and shrinkage distortion arising from the reduction of the crystallinity in comparison with currently used crosslinking polyethylene, and a crosslinked material has excellent rigidity and hardness and also has excellent toughness and creep resistance.
Description
Technical field
The present invention relates to protective system, particularly a kind of crosslinked polypropylene Viscoelastic Composite coating and preparation method thereof.
Background technology
Along with expanding economy, to requirements for anticorrosion such as pipeline, pumps, day by day urgent and class improves constantly the every profession and trades such as chemical industry, oil, boats and ships, power plant, public utilities, and material antiseptic performance has also been proposed to more and more higher requirement.Patent CN922397360.9 has announced the preparation method of the bonding anti-corrosion pipeline of a kind of steel plastic integral and container, this pipeline and container are comprised of steel body and thermoplastic plastic layer, have advantages of steel mould bonding firmly, antiseptic property is good, can be used for the fields such as chemical industry, metallurgy.Yet common monolayer thermoplastic corrosion-proof lining under harsh Application Areas (high temperature alkali corrosion, halogen are acid liquid corrosion), can not meet the demands requiring.Under height corrosion operating environment, must adopt the higher thermosetting material of antiseptic property.These materials generally adopted clinkery epoxy powder (FBE), coal tar enamel (CTE) and polyethylene composite structure (three layers of PE) in the past.The overall antiseptic property of these impregnating material can meet the requirement of oil-gas pipeline corrosion protection, but still has defect separately, as thinner in clinkery epoxy powder preservative coat, anti-physical abuse 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 has announced a kind of epoxy modifying polyethylene bi-component powdery paints, suitably under environment, there is crosslinking reaction in this coating, form inierpeneirating network structure, there is good antiseptic property, but the material viscosity that the method adopts is larger, epoxy resin particularly, in order to obtain good mechanical property, the general high viscosity epoxy that adopts, 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 inhomogeneous, 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 has announced 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 raw material has been prepared protective system, and that this coating has concurrently is anticorrosion, wear-resisting, the effect of strengthening, can be used for anticorrosion in acid or alkali environment of metallic conduit, but because tack of materials is larger, be more suitable for spraying coating process equally.Patent CN201120454406.9, CN200520035161.0 and CN200910198529.8 all adopt multilayer epoxy resin 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, has not only effectively improved the antiseptic property of pipeline, and has given material good cohesive force.But this material is because construction technology is loaded down with trivial details, and production control is more loaded down with trivial details, and cost is higher, and easily there is pushing thinning phenomenon in commissure, cause tectum defect or produce hollowing, cause galvanic protection dead band.Be mainly used in pipeline outer anticorrosion, for the less pipeline of interior anticorrosion particularly bore, and inapplicable.
In order to obtain higher production efficiency, to revolve in recent years, mould (rotation showering) technique and be widely used in anticorrosion industry, the weight of having realized inner-walls of duct and small-bore pipeline is anticorrosion.At present, to mould the shared ratio of linear low density polyethylene in the middle of raw material be 93% to state's inward turning.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, has limited the application of linear low density polyethylene.Caused thus the development research of people to crosslinked polyethylene.At present, the research of crosslinked polyethylene mainly concentrates on the silane crosslinking technology aspect of linear low density polyethylene.Patent CN1039039A adopts the method for radiation to prepare radial pattern crosslinked polyethylene, and material is used for to the repaired mouth aspect of oil field gathering and transportation steel corrosion utilidor.Yet, chemically crosslinked relatively, radiation crosslinking efficiency is very low, and material degree of crosslinking 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, it is base resin that CN1523052A be take linear low density polyethylene and Low Density Polyethylene compounding ingredient, adopt peroxide crosslinking technique 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 further reduces, although material can dissolved property not corrode, but easily by swelling property, corroded, be not suitable for corrosion, the pipeline that barrier is had relatively high expectations, and pipeline wear resisting property increase rate prepared by this method is little, the flyash that wear resisting property is being had relatively high expectations, silt, grain transportation art, do not advise using.Patent CN 1876706A has announced 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 must pass through water-bath (or steam bath) aftertreatment, crosslinked required moisture Dou Shicongchu circle diffusion.The velocity of diffusion of water in the non-wetting ability superpolymer such as polyethylene is slow, and goods are thicker, and the crosslinked required time is longer, need to consume mass energy, has brought very large inconvenience to silane cross-linked polyolefin industrialization, has increased technical process and cost.In addition, no matter be superoxide technique or the crosslinked polyethylene of silane process, due to the poly build-in attribute of base resin, although make the corrosion protection coating at high temperature can melting, but still meeting deliquescing, even there is shelling phenomenon, can not be applied in the anticorrosion environment of high-temperature medium.
Summary of the invention
Technical problem to be solved by this invention is: the shortcoming existing for above prior art, a kind of crosslinked polypropylene Viscoelastic Composite coating and preparation method thereof is 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.
The present invention is that the technical scheme that the above technical problem of solution is taked is: a kind of crosslinked polypropylene Viscoelastic Composite coating, it is characterized in that, and described composite coating is mixed by A component and B component, and the weight ratio that A component and B component are mixed is 9:1; Wherein A component is by forming according to the raw material of mass fraction metering below:
Polypropylene 100
Initiator 0.05-0.2
Grafts 10-20
Silane 3-5
Elastomerics 3-8
Grafting auxiliary agent 0.1-0.5;
B component is wherein by forming according to the raw material of mass fraction metering below:
Polypropylene 100
Thermal conducting agent 2-10
Dispersed lubricant 0.1-1
Surface treatment agent 0.3-0.5
Catalyzer 0.4-1
Dewatering agent 1-3
Oxidation inhibitor 0.1-0.4.
The preparation method of a kind of crosslinked polypropylene Viscoelastic Composite coating of the present invention, is characterized in that, described preparation method carries out according to the following steps:
Step 1: the preparation of A component
By polypropylene in advance drying treatment to moisture content lower than 600ppm, and weigh by certain mass umber with grafts, initiator, silane, elastomerics and grafting auxiliary agent, at stirrer for mixing 2-10 minute; Extruding pelletization in twin screw extruder then, extrusion temperature is 180-240 ℃, screw speed is 200-500rpm, after extruding pelletization, abrasive dust 50-100 order, and it is standby lower than 600ppm that powder is dried to moisture content.
Step 2: the preparation of B component
By polypropylene in advance drying treatment to moisture content lower than 600ppm; Surface treatment agent and thermal conducting agent are weighed by certain mass umber, in mixing machine, mix 2-8 minute; The thermal conducting agent of surface treatment agent and oxidation inhibitor, dispersed lubricant will be mixed with, catalyzer, dewatering agent and pre-dry polypropylene are weighed by certain mass umber, and in mixing machine, mix 5-10 minute, and extruding pelletization in twin screw extruder then, extrusion temperature is 120-220 ℃, screw speed is 200-500rpm, after extruding pelletization, abrasive dust 50-100 order, and it is standby lower than 600ppm that powder is dried to moisture content.
Step 3: the preparation of composite coating
Take by weight proportion after A component and B component, in mixing machine, mix 5-10 minute, be stored in packing bag.
Advantage of the present invention is: composite coating base resin provided by the invention is crosslinked polypropylene, compare with the crosslinked polyethylene generally adopting at present, having guaranteed has enough cross-linking efficiencies, the reduction of degree of crystallinity and the shrinkage strain bringing have thus been reduced to the full extent simultaneously, material after crosslinked has more excellent rigidity and hardness, has excellent toughness and creep-resistant property simultaneously.
Crosslinking process of the present invention is silane crosslinking technology, in material, contain dewatering agent, can in machine-shaping process, discharge water outlet, complete partial cross-linked reaction, coordinate follow-up steam or poach to process, can further improve the degree of crosslinking of material, correspondingly, material impact is anticorrosion also more excellent with barrier.
In composite coating A component provided by the invention, contain polarity elastomerics, can give the visco-elasticity of coating brilliance, make material can not produce because of contraction and come off and crack, even can realize the self-healing of material.
In composite coating B component provided by the invention, contain high-efficiency heat conduction agent, can effectively coating institute received heat be conducted to metallic conduit, improve the resistance toheat of coating.Coated material belongs to olefines thermosetting resin, compares epoxy resin and polyureas coating, has higher acid and alkali-resistance and environment-friendly advantage, simultaneously moderate.
Embodiment
Below in conjunction with embodiment, the invention will be further described: the present invention adopts the doubly air-cooled tie rod twin screw extruder of grand CTE-65 of Nanjing section.
Polypropylene in the present invention is selected a kind of or two kinds of combinations in homopolymer polypropylene and polypropylene copolymer, and selecting its density is 0.85-0.95g/cm
3, melt flow rate (MFR) is 2-20g/10min.
Initiator in the present invention is peroxide type initiator, selects 2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane, 2,4-dichlorobenzoperoxide, peroxidation two (4-toluyl), dicumyl peroxide, di-tert-butyl peroxide isopropyl benzene, 1,1-di-t-butyl methyl-3,5,5-trimethyl-cyclohexane, 1,1-di-t-butyl methyl-3, one or several in 5,5-trimethyl-cyclohexane.
Grafts in the present invention is selected tasteless Research of Grafting Malaic Anhydride Onto Polyethylene, one or both in tasteless POE grafted maleic anhydride.
Silane in the present invention is the silane that contains unsaturated group, select vinyltrimethoxy silane, vinyltriethoxysilane, vinyl methyl dimethoxysilane, vinyl methyldiethoxysilane, γ-propyl methacrylate base silane, vinyl trichloro silane, styryl two aminopropyl silanes, one or several in vinyltriacetoxy silane.
Elastomerics in the present invention is selected styrene-butadiene copolymer, styrene-ethylene-butadienecopolymer, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-propylene copolymer, polyurethane elastomer, one or several in ethylene-acrylic acid copolymer.
Grafting auxiliary agent Xuan Ze oxazoline in the present invention, vinyl pyridine, vinylbenzene, divinyl
One or several in base phenyl.
Thermal conducting agent in the present invention is selected one or several in nanometer silicon carbide, aluminium nitride, boron nitride, magnesium oxide, aluminum oxide and powdered graphite.
Dispersed lubricant in the present invention is selected ethylene bis stearamide, polyethylene wax, montanic acid, calcium stearate, one or several in stearic acid.
Surface treatment agent in the present invention is selected 3-triethoxysilyl-1-propylamine, γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, gamma-methyl allyl acyloxypropyl trimethoxysilane, stearic acid, titanic acid ester, Aluminate, one or several in zirconate.
Catalyzer in the present invention is selected dibutyltin dilaurate, dibutyl tin two lauroleates, a kind of in titanic acid ester.
Dewatering agent select tape half water ring in the present invention is amine, with the aluminium hydroxide of crystal water, and with the copper sulfate of crystal water, the polyvinyl alcohol of short-chain branch, B alcohol acid, one or several in stearic acid tin protoxide composition, hexanodioic acid zinc oxide composition.
The composite antioxidant that oxidation inhibitor in the present invention selects phosphite ester kind antioxidant and Hinered phenols antioxidant to form, the weight ratio of its phosphite ester kind antioxidant and Hinered phenols antioxidant is 1:0.3-1:0.7.
Embodiment mono-: A component is by forming according to the raw material of mass fraction metering below:
Polypropylene copolymer 100
2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane 0.15
Vinyltriethoxysilane 5
Tasteless polypropylene grafted maleic anhydride 12
Ethylene-octene copolymer 4
Oxazoline 0.4.
B component is by forming according to the raw material of mass fraction metering below:
Polypropylene copolymer 100
Nano level boron nitride (fineness 10000 orders) 8
Ethylene bis stearamide 0.8
γ-glycidyl ether oxygen propyl trimethoxy silicane 0.5
Dibutyltin dilaurate 0.8
Aluminium hydroxide (with crystal water) 2.5
Composite antioxidant 0.3.
Composite antioxidant is wherein mixed by weight 1:0.3 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation method of crosslinked polypropylene Viscoelastic Composite coating carries out according to the following steps:
Step 1: the preparation of A component
By the polypropylene copolymer of 100 parts in advance design temperature be in the baking oven of 80 ℃ drying treatment to moisture content lower than 600ppm, with 0.15 part 2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane, the vinyltriethoxysilane of 5 parts, the tasteless polypropylene grafted maleic anhydride of 12 parts, ethylene-octene copolymer and the 0.4 Fen oxazoline of 4 parts fully mix 5 minutes in homogenizer; Extruding pelletization in twin screw extruder then, extrusion temperature is 220 ℃, screw speed is 350rpm, after extruding pelletization, abrasive dust 80 orders, and at design temperature, be that in the baking oven of 80 ℃, drying treatment is standby lower than 600ppm to moisture content by powder.
Step 2: the preparation of B component
By the polypropylene copolymer of 100 parts in advance design temperature be in the baking oven of 80 ℃ drying treatment to moisture content lower than 600ppm, the γ-glycidyl ether oxygen propyl trimethoxy silicane of 0.5 part is mixed 6 minutes with the nano level boron nitride of 8 parts in high-speed mixer; The nano level boron nitride of γ-glycidyl ether oxygen propyl trimethoxy silicane and the composite antioxidant of 0.3 part, the ethylene bis stearamide of 0.8 part, the dibutyltin dilaurate of 0.8 part will be mixed with, the aluminium hydroxide of 2.5 parts and 100 parts of pre-dry polypropylene copolymers mix 8 minutes in middling speed mixing machine, extruding pelletization in twin screw extruder then, extrusion temperature is 220 ℃, screw speed is 300rpm, after extruding pelletization, abrasive dust 80 orders, and at design temperature, be that in the baking oven of 80 ℃, drying treatment is standby lower than 600ppm to moisture content by powder.
Step 3: the preparation of composite coating
By 9:1 part by weight, take after A component and B component, in high-speed mixer, mix 8 minutes, be stored in packing bag.
Embodiment bis-: A component is by forming according to the raw material of mass fraction metering below:
Homopolymer polypropylene 100
2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane 0.08
Vinyltrimethoxy silane 3
Tasteless polypropylene grafted maleic anhydride 15
Ethylene-octene copolymer 6
Oxazoline 0.15.
B component is by forming according to the raw material of mass fraction metering below:
Homopolymer polypropylene 100
Nanometer silicon carbide (fineness 10000 orders) 4
Calcium stearate 0.5
γ-aminopropyl triethoxysilane 0.3
Dibutyltin dilaurate 0.4
Aluminium hydroxide (with crystal water) 1.5
Composite antioxidant 0.3.
Composite antioxidant is wherein mixed by weight 1:0.5 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation method of crosslinked polypropylene Viscoelastic Composite coating carries out according to the following steps:
Step 1: the preparation of A component
By the homopolymer polypropylene of 100 parts be dried in advance design temperature be in the baking oven of 80 ℃ drying treatment to moisture content lower than 600ppm, with the tasteless polypropylene grafted maleic anhydride of 15 parts, 0.08 part 2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane, 0.15 Fen oxazoline, the vinyltrimethoxy silane of 3 parts and the ethylene-octene copolymer of 6 parts fully mix 6 minutes in homogenizer; Extruding pelletization in twin screw extruder then, extrusion temperature is 230 ℃, screw speed is 300rpm, after extruding pelletization, abrasive dust 80 orders, and at design temperature, be that in the baking oven of 80 ℃, drying treatment is standby lower than 600ppm to moisture content by powder;
Step 2: the preparation of B component
By the homopolymer polypropylene of 100 parts, at design temperature, be that in the baking oven of 80 ℃, drying treatment is processed to moisture content lower than 600ppm in advance, the γ-aminopropyl triethoxysilane of 0.3 part is mixed 6 minutes with the nanometer silicon carbide of 4 parts in high-speed mixer; The nanometer silicon carbide that is mixed with γ-aminopropyl triethoxysilane is mixed 8 minutes with the composite antioxidant of 0.3 part, the calcium stearate of 0.5 part, the dibutyltin dilaurate of 0.4 part, aluminium hydroxide and 100 parts of pre-dry homopolymer polypropylenes of 1.5 parts in middling speed mixing machine, extruding pelletization in twin screw extruder then, extrusion temperature is 220 ℃, screw speed is 300rpm, after extruding pelletization, abrasive dust 80 orders, and at design temperature, be that in the baking oven of 80 ℃, drying treatment is standby lower than 600ppm to moisture content by powder.
Step 3: the preparation of composite coating
By 9:1 part by weight, take after A component and B component, in high-speed mixer, mix 8 minutes, be stored in packing bag.
Embodiment tri-: A component is by forming according to the raw material of mass fraction metering below:
Homopolymer polypropylene 100
Dicumyl peroxide 0.12
Vinyl methyl dimethoxysilane 4
Tasteless polypropylene grafted maleic anhydride 12
Styrene-butadiene copolymer 6
Oxazoline 0.2
B component is by forming according to the raw material of mass fraction metering below:
Homopolymer polypropylene 100
Nano level aluminium nitride (fineness 10000 orders) 3
Ethylene bis stearamide 0.4
γ-aminopropyl triethoxysilane 0.3
Dibutyl tin two lauroleates 0.4
Polyvinyl alcohol 1.2
Composite antioxidant 0.4
Composite antioxidant is wherein mixed by weight 1:0.3 by phosphite ester kind antioxidant 168 and Hinered phenols antioxidant 1010.
The preparation method of crosslinked polypropylene Viscoelastic Composite coating carries out according to the following steps:
Step 1: the preparation of A component
By the homopolymer polypropylene of 100 parts in advance design temperature be in the baking oven of 80 ℃ drying treatment to moisture content lower than 600ppm, in homogenizer, fully mix 5 minutes with the tasteless polypropylene grafted maleic anhydride of 12 parts, dicumyl peroxide, 0.2 Fen oxazoline, the vinyl methyl dimethoxysilane of 4 parts and the styrene-butadiene copolymer of 6 parts of 0.12 part; Extruding pelletization in twin screw extruder then, extrusion temperature is 220 ℃, screw speed is 350rpm, after extruding pelletization, abrasive dust 80 orders, and at design temperature, be that in the baking oven of 80 ℃, drying treatment is standby lower than 600ppm to moisture content by powder;
Step 2: the preparation of B component
By the homopolymer polypropylene of 100 parts in advance design temperature be in the baking oven of 80 ℃ drying treatment to moisture content lower than 600ppm, the γ-aminopropyl triethoxysilane of 0.3 part is mixed 6 minutes with 3 parts of nano level aluminium nitride in high-speed mixer; The nano level aluminium nitride that is mixed with γ-aminopropyl triethoxysilane is mixed 8 minutes with the composite antioxidant of 0.4 part, dibutyl tin two lauroleates of 0.4 part, the ethylene bis stearamide of 0.4 part, polyvinyl alcohol and 100 parts of pre-dry homopolymer polypropylenes of 1.2 parts in middling speed mixing machine, extruding pelletization in twin screw extruder then, extrusion temperature is 220 ℃, screw speed is 300rpm, after extruding pelletization, abrasive dust 80 orders, and it is standby lower than 600ppm that powder is dried to moisture content.
Step 3: the preparation of composite coating
By 9:1 part by weight, take after A component and B component, in high-speed mixer, mix 8 minutes, be stored in packing bag.
The performance index of above three embodiment are in Table 1 after testing.
As can be seen from the above table, the crosslinked polypropylene Viscoelastic Composite coating that adopts present method to prepare has higher modulus and hardness, good thermotolerance, compare with polyethylene rotational molding material, rigidity-toughness balanced, therefore, high-temperature resistant prepared by present method, high bonding crosslinked polypropylene Viscoelastic Composite coating have good over-all properties, can meet multiple requirement for anticorrosion.
Claims (14)
1. a crosslinked polypropylene Viscoelastic Composite coating, is characterized in that, described composite coating is mixed by A component and B component, and the weight ratio that A component and B component are mixed is 9:1; A component is wherein by forming according to the raw material of mass fraction metering below:
Polypropylene 100
Initiator 0.05-0.2
Grafts 10-20
Silane 3-5
Elastomerics 3-8
Grafting auxiliary agent 0.1-0.5;
B component is wherein by forming according to the raw material of mass fraction metering below:
Polypropylene 100
Thermal conducting agent 2-10
Dispersed lubricant 0.1-1
Surface treatment agent 0.3-0.5
Catalyzer 0.4-1
Dewatering agent 1-3
Oxidation inhibitor 0.1-0.4.
2. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described polypropylene is selected a kind of or two kinds of combinations in homopolymer polypropylene and polypropylene copolymer, and selecting its density is 0.85-0.95g/cm
3, melt flow rate (MFR) is 2-20g/10min.
3. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described initiator is peroxide type initiator, selects 2,5-dimethyl-2,5-dual-tert-butyl peroxide hexane, 2,4-dichlorobenzoperoxide, peroxidation two (4-toluyl), dicumyl peroxide, di-tert-butyl peroxide isopropyl benzene, 1,1-di-t-butyl methyl-3,5,5-trimethyl-cyclohexane, 1,1-di-t-butyl methyl-3, one or several in 5,5-trimethyl-cyclohexane.
4. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described grafts is selected tasteless Research of Grafting Malaic Anhydride Onto Polyethylene, a kind of in tasteless POE grafted maleic anhydride or two kinds.
5. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, it is characterized in that, described silane is the silane that contains unsaturated group, select vinyltrimethoxy silane, vinyltriethoxysilane, vinyl methyl dimethoxysilane, vinyl methyldiethoxysilane, γ-propyl methacrylate base silane, vinyl trichloro silane, styryl two aminopropyl silanes, one or several in vinyltriacetoxy silane.
6. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, it is characterized in that, described elastomerics is selected styrene-butadiene copolymer, styrene-ethylene-butadienecopolymer, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-propylene copolymer, polyurethane elastomer, one or several in ethylene-acrylic acid copolymer.
7. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described grafting auxiliary agent choosing is selected oxazoline, vinyl pyridine, vinylbenzene, one or several in divinyl phenyl.
8. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described thermal conducting agent is selected one or several in nanometer silicon carbide, aluminium nitride, boron nitride, magnesium oxide, aluminum oxide and powdered graphite.
9. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described dispersed lubricant is selected ethylene bis stearamide, polyethylene wax, montanic acid, calcium stearate, one or several in stearic acid.
10. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, it is characterized in that, described surface treatment agent is selected 3-triethoxysilyl-1-propylamine, γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, gamma-methyl allyl acyloxypropyl trimethoxysilane, stearic acid, titanic acid ester, Aluminate, one or several in zirconate.
11. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described catalyzer is selected dibutyltin dilaurate, dibutyl tin two lauroleates, a kind of in titanic acid ester.
12. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, it is characterized in that, described dewatering agent select tape half water ring is amine, aluminium hydroxide with crystal water, with the copper sulfate of crystal water, the polyvinyl alcohol of short-chain branch, B alcohol acid, one or several in stearic acid tin protoxide composition, hexanodioic acid zinc oxide composition.
13. a kind of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, it is characterized in that, the composite antioxidant that described oxidation inhibitor selects phosphite ester kind antioxidant and Hinered phenols antioxidant to form, the weight ratio of its phosphite ester kind antioxidant and Hinered phenols antioxidant is 1:0.3-1:0.7.
The preparation method of 14. 1 kinds of crosslinked polypropylene Viscoelastic Composite coating as claimed in claim 1, is characterized in that, described preparation method carries out according to the following steps:
Step 1: the preparation of A component
By polypropylene in advance drying treatment to moisture content lower than 600ppm, and weigh by certain mass umber with grafts, initiator, silane, elastomerics and grafting auxiliary agent, at stirrer for mixing 2-10 minute; Extruding pelletization in twin screw extruder then, extrusion temperature is 180-240 ℃, screw speed is 200-500rpm, after extruding pelletization, abrasive dust 50-100 order, and it is standby lower than 600ppm that powder is dried to moisture content;
Step 2: the preparation of B component
By polypropylene in advance drying treatment to moisture content lower than 600ppm; Surface treatment agent and thermal conducting agent are weighed by certain mass umber, in mixing machine, mix 2-8 minute; The thermal conducting agent of surface treatment agent and oxidation inhibitor, dispersed lubricant will be mixed with, catalyzer, dewatering agent and pre-dry polypropylene are weighed by certain mass umber, and in mixing machine, mix 5-10 minute, and extruding pelletization in twin screw extruder then, extrusion temperature is 120-220 ℃, screw speed is 200-500rpm, after extruding pelletization, abrasive dust 50-100 order, and it is standby lower than 600ppm that powder is dried to moisture content;
Step 3: the preparation of composite coating
Take by weight proportion after A component and B component, in mixing machine, mix 5-10 minute, be stored in packing bag.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104325132A (en) * | 2014-10-23 | 2015-02-04 | 苏州莱特复合材料有限公司 | Anti-corrosion additive for powder metallurgy and preparation method of anti-corrosion additive |
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| CN108264803A (en) * | 2016-12-30 | 2018-07-10 | 株式会社东进世美肯 | Conductive solution composition and conductive structure using same |
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| CN114292364A (en) * | 2021-12-21 | 2022-04-08 | 日丰企业集团有限公司 | Silane grafted polypropylene, crosslinked polypropylene material and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737041A (en) * | 2004-08-18 | 2006-02-22 | 上海杰事杰新材料股份有限公司 | Polyolefin composition |
| CN1876706A (en) * | 2005-06-10 | 2006-12-13 | 上海高分子功能材料研究所 | Silane crosslinked polyethylene plastic for low shrinkage anti-crack tube and its preparation method |
| CN102061030A (en) * | 2010-12-10 | 2011-05-18 | 南京聚隆科技股份有限公司 | High-abrasion-resistant corrosion-resistant inorganic particle crosslinking polyethylene composite material and preparation method thereof |
| CN102061027A (en) * | 2010-12-10 | 2011-05-18 | 南京聚隆科技股份有限公司 | Nano imvite talcum powder rotantional moulding-gradecross-linked polyethylene composite material and preparation method thereof |
| CN102807706A (en) * | 2012-07-27 | 2012-12-05 | 深圳市科聚新材料有限公司 | Polypropylene composite material and preparation method thereof |
| CN103160172A (en) * | 2013-03-29 | 2013-06-19 | 南通好的防腐装备有限公司 | Curable anticorrosion coating for teflon/polyethylene lining and coating method of curable anticorrosion coating |
-
2013
- 2013-12-07 CN CN201310666617.2A patent/CN103642356A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737041A (en) * | 2004-08-18 | 2006-02-22 | 上海杰事杰新材料股份有限公司 | Polyolefin composition |
| CN1876706A (en) * | 2005-06-10 | 2006-12-13 | 上海高分子功能材料研究所 | Silane crosslinked polyethylene plastic for low shrinkage anti-crack tube and its preparation method |
| CN102061030A (en) * | 2010-12-10 | 2011-05-18 | 南京聚隆科技股份有限公司 | High-abrasion-resistant corrosion-resistant inorganic particle crosslinking polyethylene composite material and preparation method thereof |
| CN102061027A (en) * | 2010-12-10 | 2011-05-18 | 南京聚隆科技股份有限公司 | Nano imvite talcum powder rotantional moulding-gradecross-linked polyethylene composite material and preparation method thereof |
| CN102807706A (en) * | 2012-07-27 | 2012-12-05 | 深圳市科聚新材料有限公司 | Polypropylene composite material and preparation method thereof |
| CN103160172A (en) * | 2013-03-29 | 2013-06-19 | 南通好的防腐装备有限公司 | Curable anticorrosion coating for teflon/polyethylene lining and coating method of curable anticorrosion coating |
Cited By (18)
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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 |
| CN103333565B (en) * | 2013-05-30 | 2016-07-06 | 蚌埠市时代电子有限公司 | A kind of anticorrosion heat radiation coating and preparation method thereof |
| CN103951869A (en) * | 2014-04-30 | 2014-07-30 | 沈阳三普高分子材料有限公司 | Silane crosslinked POE (polyolefin elastomer)/EAA (ethylene acrylic acid) blend and preparation method thereof |
| CN104325132B (en) * | 2014-10-23 | 2016-11-30 | 李烈熊 | A kind of powder used in metallurgy anticorrosive additive and preparation method thereof |
| CN104325132A (en) * | 2014-10-23 | 2015-02-04 | 苏州莱特复合材料有限公司 | Anti-corrosion additive for powder metallurgy and preparation method of anti-corrosion additive |
| CN104387853A (en) * | 2014-11-14 | 2015-03-04 | 南通好的防腐装备有限公司 | High-cohesiveness and high-temperature-resisting polypropylene anticorrosive paint, as well as preparation method and painting method thereof |
| CN104987786A (en) * | 2015-07-10 | 2015-10-21 | 常州市诺金精密机械有限公司 | Environment-friendly type modified fluorocarbon exterior wall coating and preparation method thereof |
| CN105419502A (en) * | 2016-01-07 | 2016-03-23 | 苏州法斯特信息科技有限公司 | Method for preparing environment-friendly coating containing polyoxyethylene |
| CN105505019B (en) * | 2016-01-26 | 2018-07-31 | 佛山市禅城区科捷陶瓷原料有限公司 | A kind of corrosion-resistant conductive ceramic coating material and preparation method thereof |
| CN105505019A (en) * | 2016-01-26 | 2016-04-20 | 苏州羽帆新材料科技有限公司 | Anti-corrosion conductive ceramic coating material and preparation method thereof |
| CN105968970A (en) * | 2016-05-27 | 2016-09-28 | 南通好的防腐装备有限公司 | High-temperature-resistant and high-adhesion crosslinked polyethylene viscoelastic composite coating and preparation method |
| CN108264803A (en) * | 2016-12-30 | 2018-07-10 | 株式会社东进世美肯 | Conductive solution composition and conductive structure using same |
| 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 |
| CN108047827B (en) * | 2017-12-22 | 2020-05-19 | 上海海隆赛能新材料有限公司 | Double-component coating for internal corrosion resistance of marine steel pipeline |
| CN112480535A (en) * | 2020-11-26 | 2021-03-12 | 合肥工业大学 | Boron nitride micro-crosslinked polypropylene and preparation method and application thereof |
| CN114292364A (en) * | 2021-12-21 | 2022-04-08 | 日丰企业集团有限公司 | Silane grafted polypropylene, crosslinked polypropylene material and preparation method thereof |
| CN114292364B (en) * | 2021-12-21 | 2022-12-02 | 日丰企业集团有限公司 | Silane grafted polypropylene, crosslinked polypropylene material and preparation method thereof |
| CN114619641A (en) * | 2022-03-11 | 2022-06-14 | 安徽海东环保科技有限公司 | Production process of double-wall corrugated pipe and sealing connection method thereof |
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