CN108610911A - A kind of bridge insulation thermal resistance aluminium section spraying product - Google Patents
A kind of bridge insulation thermal resistance aluminium section spraying product Download PDFInfo
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- CN108610911A CN108610911A CN201611108867.4A CN201611108867A CN108610911A CN 108610911 A CN108610911 A CN 108610911A CN 201611108867 A CN201611108867 A CN 201611108867A CN 108610911 A CN108610911 A CN 108610911A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of aluminium section bars more particularly to a kind of bridge insulation thermal resistance aluminium section to spray product.It includes aluminium section bar groove and the polyurethane adiabatic gum that is arranged in the aluminium section bar groove, and aluminium shape surface is coated with modified powder coating, it passes sequentially through following steps and is prepared：Polyurethane adiabatic gum component A and B component are prepared；It is prepared by bridge insulation thermal resistance aluminium section：By component A and B component according to mass ratio 68:It is poured into the aluminium section bar groove moved with 0.15 0.2m/s speed after 1 stirring, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；Modified powder coating：25 parts of 58 68 parts of polyester resin, 47 parts of hydroxyalkyl amide, 10 15 parts of titanium dioxide, 36 parts of silica, 46 parts of acrylic copolymer and polyacrylate are prepared by weight, in 130 140 DEG C of melting extrusions, cooling broken acquisition modified powder coating；Then electrostatic spraying cures 10 18min at 100 120 DEG C.Inventive article impact resistance, wearability and weather resistance are good, glossiness is high.
Description
Technical field
The present invention relates to a kind of aluminium section bars more particularly to a kind of bridge insulation thermal resistance aluminium section to spray product.
Background technology
Bridge insulation thermal resistance glue aluminium section bar is a kind of New Building Materials.It is closed with the nonmetallic materials connection aluminium of lower thermal conductivity
There is heat-insulated, sound insulation function composite material made of golden architectural shape.It is tied in addition to having as possessed by architectural shape
Outside structure strength characteristics, also there is excellent heat-insulating property and sound insulation property.Principle is to utilize plastic material by two layers of aluminium of indoor and outdoor
Alloy had not only separated but also had closely connected into an entirety, constituted a kind of new heat-insulated aluminium section bar, and this innovation structure design is simultaneous
The advantage of two kinds of materials of plastics and aluminium alloy has been cared for, while having met a variety of the wanting of decorative effect and door and window intensity and durability energy
It asks.
CN102828073B (2014-1-8) discloses a kind of production method of powder spray aluminium alloy extrusions, however the aluminium
The performance of alloy profile still has much room for improvement.
Invention content
The purpose of the present invention is improve a kind of impact resistance, wearability and weather resistance is good, glossiness is high bridge cut-off every
Hot spraying aluminum profile product.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of bridge insulation thermal resistance aluminium section sprays product, including aluminium section bar groove and the polyurethane that is arranged in the aluminium section bar groove
Adiabatic gum, the aluminium shape surface are coated with modified powder coating, it passes sequentially through following steps and is prepared：
（1）Polyurethane adiabatic gum is prepared：
1. component A is prepared：20-85 parts of the first polyalcohol, 10-90 parts of the second polyalcohol, small molecule dihydric alcohol are prepared by weight
10-20 parts, 2-5 parts of antifoaming agent, catalyst, surfactant, fire retardant and 0.2-0.8 parts of toughened with silicon rubber agent, are stirred
It vacuum dehydration and is cooled and solidified after being warming up to 60-80 DEG C after uniformly, discharging seals simultaneously with helium protective packaging acquisition component A；
The small molecule dihydric alcohol is at least one of methyl propanediol, dipropylene glycol, diethylene glycol；
The antifoaming agent is organosilicon fluorine class compound；
2. B component is prepared：By isocyanate content be 40-55% poly methylene poly phenyl poly isocyanate modifier in 88-95
It is stirred under vacuum at DEG C and is uniformly mixed postcooling, discharging, which seals and fills helium protective packaging, obtains B component；
（2）It is prepared by bridge insulation thermal resistance aluminium section：By the component A and B component according to mass ratio 6-8:1 be mixed evenly after pour
It notes in the aluminium section bar groove moved with 0.15-0.2m/s speed, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；
（3）Modified powder coating：58-68 parts of polyester resin, 4-7 parts of hydroxyalkyl amide, titanium dioxide are prepared by weight
2-5 parts of 10-15 parts, 3-6 parts of silica, 4-6 parts of acrylic copolymer and polyacrylate are uniformly mixed, in 130-140
DEG C melting extrusion, it is cooling broken to obtain modified powder coating；
（4）Electrostatic spraying and solidification：By in the modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then exist
Cure 10-18min at 100-120 DEG C.
It is an advantage of the invention that：
1. the mechanical property for preparing polyurethane adiabatic gum by specific component and method is good, it can be achieved that room temperature cast, the temperature of adaptation
It is wide to spend range, it is long to pour the phase, and when being used for pouring bridge insulation thermal resistance aluminium section, aluminium section bar of different shapes can be obtained；
2. the modified powder coating of the present invention can improve the mechanical performance of film and the erosiveness of anti-medium, reduces powder and apply
Expect cost；
3. the modified powder coating of the present invention is sprayed on bridge insulation thermal resistance aluminium section, the excellent heat-proof quality of imparting aluminium section bar,
Ageing-resistant performance, impact resistance and wearability；The diverse requirements that consumer can be met simultaneously are widely used in finishing material such as door
On window product.
Preferably, the step（1）8-16 parts of ethylene oxide and propylene oxide copolyethers are also added in component A.
Preferably, first polyalcohol is the polymer of ethylene glycol and propylene glycol, and degree of functionality 3, hydroxyl value 45-
99mgKOH/g；
Second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is more than 60%, hydroxyl
Value 3-22mgKOH/g.
Preferably, the step（1）Second polyalcohol is with forming using bimetallic cyanide complex catalyst
Trimethylolpropane and epoxy butane polyol.
Preferably, the step（1）Catalyst is 1-3 parts of triethylene diamines.
Preferably, the step（1）Fire retardant is the sulfonate salt flame of 0.2-0.5 parts by weight.
Preferably, the step（3）Polyester is in molar ratio 1:1:1 polyethylene terephthalate, poly- being mixed into
Butylene terephthalate and end carboxyl saturated polyester resin mixture.
The coating prepared using the polyester can further increase the mechanical performance of film and the erosiveness of anti-medium.
Preferably, it is described it is broken refer to classification grinding to powder diameter be 1-15 microns.
Specific implementation mode
Component A prepares one：85 parts of the first polyalcohol, 90 parts of the second polyalcohol, small molecule dihydric alcohol 20 are prepared by weight
Part, 5 parts, 3 parts triethylene diamine catalyst of organosilicon fluorine class compound antifoaming agent, 4 parts of B8002 surfactants, 0.5 parts by weight
Sulfonate salt flame and 0.8 part of toughened with silicon rubber agent, vacuum dehydration and cooling solid after 80 DEG C are warming up to after being uniformly mixed
Change, discharging sealing simultaneously obtains component A with helium protective packaging；8 parts of ethylene oxide and propylene oxide copolymer are also added in component A
Ether；
First polyalcohol is the polymer of ethylene glycol and propylene glycol, degree of functionality 3, hydroxyl value 45-99mgKOH/g；
Second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is more than 60%, hydroxyl value 3-
22mgKOH/g；
Small molecule dihydric alcohol is methyl propanediol；
B component prepares one：By the poly methylene poly phenyl poly isocyanate modifier that isocyanate content is 40-55%（Purchased from upper
Hai Youliang Chemical Industry Science Co., Ltd）It is stirred under vacuum at 95 DEG C and is uniformly mixed postcooling, discharging seals and fills helium protection packet
Dress obtains B component；
Component A prepares two：20 parts of the first polyalcohol is prepared by weight, 10 parts of the second polyalcohol, 10 parts of small molecule dihydric alcohol, is had
The sulphur of 2 parts, 1 part triethylene diamine catalyst of machine fluosilicic class compound antifoaming agent, 2 parts of B8002 surfactants, 0.2 parts by weight
Hydrochlorate fire retardant and 0.2 part of toughened with silicon rubber agent vacuum dehydration and cool and solidify after being warming up to 60 DEG C after being uniformly mixed, go out
Material sealing simultaneously obtains component A with helium protective packaging；8 parts of ethylene oxide and propylene oxide copolyethers are also added in component A；
First polyalcohol is the polymer of ethylene glycol and propylene glycol, degree of functionality 3, hydroxyl value 45-99mgKOH/g；
Second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is more than 60%, hydroxyl value 3-
22mgKOH/g；
Small molecule dihydric alcohol is dipropylene glycol；
B component prepares two：By the poly methylene poly phenyl poly isocyanate modifier that isocyanate content is 40-55%（Purchased from upper
Hai Youliang Chemical Industry Science Co., Ltd）It is stirred under vacuum at 88 DEG C and is uniformly mixed postcooling, discharging seals and fills helium protection packet
Dress obtains B component；
Component A prepares three：65 parts of the first polyalcohol is prepared by weight, 70 parts of the second polyalcohol, 15 parts of small molecule dihydric alcohol, is had
The sulphur of 3 parts, 2 parts triethylene diamine catalyst of machine fluosilicic class compound antifoaming agent, 3 parts of B8002 surfactants, 0.3 parts by weight
Hydrochlorate fire retardant and 0.6 part of toughened with silicon rubber agent vacuum dehydration and cool and solidify after being warming up to 70 DEG C after being uniformly mixed, go out
Material sealing simultaneously obtains component A with helium protective packaging；12 parts of ethylene oxide and propylene oxide copolyethers are also added in component A；
First polyalcohol is the polymer of ethylene glycol and propylene glycol, degree of functionality 3, hydroxyl value 45-99mgKOH/g；
Second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is more than 60%, hydroxyl value 3-
22mgKOH/g；
Small molecule dihydric alcohol is dipropylene glycol；
B component prepares three：By the poly methylene poly phenyl poly isocyanate modifier that isocyanate content is 40-55%（Purchased from upper
Hai Youliang Chemical Industry Science Co., Ltd）It is stirred under vacuum at 90 DEG C and is uniformly mixed postcooling, discharging seals and fills helium protection packet
Dress obtains B component；
Embodiment one
（1）Polyurethane adiabatic gum is prepared：Polyurethane adiabatic gum component is prepared by component A preparation one and B component；
（2）It is prepared by bridge insulation thermal resistance aluminium section：By component A and B component according to mass ratio 6:1 be mixed evenly after be poured into
In the aluminium section bar groove of 0.15m/s speed movement, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；
（3）Modified powder coating：By weight prepare 58 parts of polyester resin, 4 parts of hydroxyalkyl amide, 10 parts of titanium dioxide,
2 parts of 3 parts of silica, 4 parts of acrylic copolymer and polyacrylate are uniformly mixed, cooling in 130 DEG C of melting extrusions, point
It is 1 micron of acquisition modified powder coating that grade, which is crushed to powder diameter,；Polyester refers in molar ratio 1:1:1 be mixed into it is poly- to benzene two
Formic acid second diester, polybutylene terephthalate and end carboxyl saturated polyester resin mixture；
（4）Electrostatic spraying and solidification：By in modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then at 100 DEG C
Cure 10min, the bridge insulation thermal resistance aluminium section for being made required sprays product.
Detection performance data are shown in Table 1.
Embodiment two
（1）Polyurethane adiabatic gum is prepared：Two and two preparation polyurethane adiabatic gum components of B component preparation are prepared by component A；
（2）It is prepared by bridge insulation thermal resistance aluminium section：By component A and B component according to mass ratio 8:1 be mixed evenly after be poured into
In the aluminium section bar groove of 0.2m/s speed movement, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；
（3）Modified powder coating：By weight prepare 68 parts of polyester resin, 7 parts of hydroxyalkyl amide, 15 parts of titanium dioxide,
5 parts of 6 parts of silica, 6 parts of acrylic copolymer and polyacrylate are uniformly mixed, cooling in 140 DEG C of melting extrusions, point
It is 15 microns of acquisition modified powder coating that grade, which is crushed to powder diameter,；Polyester refers in molar ratio 1:1:1 be mixed into it is poly- to benzene
Dioctyl phthalate second diester, polybutylene terephthalate and end carboxyl saturated polyester resin mixture；
（4）Electrostatic spraying and solidification：By in modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then at 120 DEG C
Cure 18min, the bridge insulation thermal resistance aluminium section for being made required sprays product.
Embodiment three
（1）Polyurethane adiabatic gum is prepared：Three and three preparation polyurethane adiabatic gum components of B component preparation are prepared by component A；
（2）It is prepared by bridge insulation thermal resistance aluminium section：By component A and B component according to mass ratio 7:1 be mixed evenly after be poured into
In the aluminium section bar groove of 0.18m/s speed movement, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；
（3）Modified powder coating：By weight prepare 64 parts of polyester resin, 5 parts of hydroxyalkyl amide, 14 parts of titanium dioxide,
3 parts of 5 parts of silica, 5 parts of acrylic copolymer and polyacrylate are uniformly mixed, cooling in 135 DEG C of melting extrusions, point
It is 6 microns of acquisition modified powder coating that grade, which is crushed to powder diameter,；Polyester refers in molar ratio 1:1:1 be mixed into it is poly- to benzene two
Formic acid second diester, polybutylene terephthalate and end carboxyl saturated polyester resin mixture；
（4）Electrostatic spraying and solidification：By in modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then at 110 DEG C
Cure 15min, the bridge insulation thermal resistance aluminium section for being made required sprays product.
Example IV
The preparation of polyurethane adiabatic gum is to prepare one and three preparation polyurethane adiabatic gum components of B component preparation by component A；Unlike
Second polyalcohol is being total to the trimethylolpropane and epoxy butane formed using bimetallic cyanide complex catalyst
Polyvalent alcohol.
Embodiment five
The preparation of polyurethane adiabatic gum is to prepare one and two preparation polyurethane adiabatic gum components of B component preparation by component A.
Embodiment six
The preparation of polyurethane adiabatic gum is to prepare polyurethane adiabatic gum component by component A preparation three and B component.
Embodiment seven
The preparation of polyurethane adiabatic gum is to prepare three and two preparation polyurethane adiabatic gum components of B component preparation by component A.
Embodiment eight
The preparation of polyurethane adiabatic gum is to prepare two and three preparation polyurethane adiabatic gum components of B component preparation by component A.
Embodiment nine
The preparation of polyurethane adiabatic gum is to prepare polyurethane adiabatic gum component by component A preparation two and B component.
Comparative example one
By the component A and B component according to mass ratio 5 unlike as in the first embodiment,:1 be mixed evenly after be poured into
In the aluminium section bar groove of 0.3m/s speed movement, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；Then match by weight
50 parts of polyester resin processed, 8 parts of titanium dioxide, 8 parts of acrylic copolymer, 10 parts of toner are uniformly mixed, and are melted and are squeezed at 120 DEG C
Go out, cooling broken acquisition modified powder coating；Later by modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then
Cure 8min at 100 DEG C.
1 embodiment of table and comparative example product properties data comparison
As can be seen from Table 1, inventive article glossiness is high, while can preferably beautifying aluminum profile products, aluminium section bar is made to have
Excellent heat-proof quality and impact resistance, wearability, weather resistance.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of bridge insulation thermal resistance aluminium section sprays product, including aluminium section bar groove and the poly- ammonia that is arranged in the aluminium section bar groove
Ester adiabatic gum, it is characterised in that：The aluminium shape surface is coated with modified powder coating, it pass sequentially through following steps prepare and
At：
（1）Polyurethane adiabatic gum is prepared：
1. component A is prepared：20-85 parts of the first polyalcohol, 10-90 parts of the second polyalcohol, small molecule dihydric alcohol are prepared by weight
10-20 parts, 2-5 parts of antifoaming agent, catalyst, surfactant, fire retardant and 0.2-0.8 parts of toughened with silicon rubber agent, are stirred
It vacuum dehydration and is cooled and solidified after being warming up to 60-80 DEG C after uniformly, discharging seals simultaneously with helium protective packaging acquisition component A；
The small molecule dihydric alcohol is at least one of methyl propanediol, dipropylene glycol, diethylene glycol；
The antifoaming agent is organosilicon fluorine class compound；
2. B component is prepared：By isocyanate content be 40-55% poly methylene poly phenyl poly isocyanate modifier in 88-95
It is stirred under vacuum at DEG C and is uniformly mixed postcooling, discharging, which seals and fills helium protective packaging, obtains B component；
（2）It is prepared by bridge insulation thermal resistance aluminium section：By the component A and B component according to mass ratio 6-8:1 be mixed evenly after pour into a mould
Into the aluminium section bar groove moved with 0.15-0.2m/s speed, bridge insulation thermal resistance aluminium section is formed after static cooling and solidifying；
（3）Modified powder coating：58-68 parts of polyester resin, 4-7 parts of hydroxyalkyl amide, titanium dioxide are prepared by weight
2-5 parts of 10-15 parts, 3-6 parts of silica, 4-6 parts of acrylic copolymer and polyacrylate are uniformly mixed, in 130-140
DEG C melting extrusion, it is cooling broken to obtain modified powder coating；
（4）Electrostatic spraying and solidification：By in the modified powder coating electrostatic spraying to bridge insulation thermal resistance aluminium section, then in 100-
Cure 10-18min at 120 DEG C.
2. a kind of bridge insulation thermal resistance aluminium section according to claim 1 sprays product, it is characterised in that：The step（1）A groups
8-16 parts of ethylene oxide and propylene oxide copolyethers are also added in point.
3. a kind of bridge insulation thermal resistance aluminium section according to claim 2 sprays product, it is characterised in that：First polyalcohol
For the polymer of ethylene glycol and propylene glycol, degree of functionality 3, hydroxyl value 45-99mgKOH/g；
Second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is more than 60%, hydroxyl
Value 3-22mgKOH/g.
4. a kind of bridge insulation thermal resistance aluminium section according to claim 3 sprays product, it is characterised in that：The step（1）The
Two polyalcohols are the copolymerization with the trimethylolpropane and epoxy butane formed using bimetallic cyanide complex catalyst
Polyalcohol.
5. a kind of bridge insulation thermal resistance aluminium section according to claim 4 sprays product, it is characterised in that：The step（1）It urges
Agent is 1-3 parts of triethylene diamines.
6. a kind of bridge insulation thermal resistance aluminium section according to claim 5 sprays product, it is characterised in that：The step（1）Resistance
Fire the sulfonate salt flame that agent is 0.2-0.5 parts by weight.
7. spraying product according to a kind of bridge insulation thermal resistance aluminium section of claim 1-6 any one of them, it is characterised in that：The step
Suddenly（3）Polyester is in molar ratio 1:1:1 polyethylene terephthalate, polybutylene terephthalate and the end carboxyl being mixed into
Saturated polyester resin mixture.
8. a kind of bridge insulation thermal resistance aluminium section according to claim 7 sprays product, it is characterised in that：The step（3）Institute
It refer to classification grinding to powder diameter is 1-15 microns to state broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108867.4A CN108610911A (en) | 2016-12-06 | 2016-12-06 | A kind of bridge insulation thermal resistance aluminium section spraying product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108867.4A CN108610911A (en) | 2016-12-06 | 2016-12-06 | A kind of bridge insulation thermal resistance aluminium section spraying product |
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| Publication Number | Publication Date |
|---|---|
| CN108610911A true CN108610911A (en) | 2018-10-02 |
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| CN201611108867.4A Pending CN108610911A (en) | 2016-12-06 | 2016-12-06 | A kind of bridge insulation thermal resistance aluminium section spraying product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401572A (en) * | 2018-11-13 | 2019-03-01 | 安徽桑瑞斯环保新材料有限公司 | A kind of concrete mixing tank car weather-resistant powder paint |
-
2016
- 2016-12-06 CN CN201611108867.4A patent/CN108610911A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401572A (en) * | 2018-11-13 | 2019-03-01 | 安徽桑瑞斯环保新材料有限公司 | A kind of concrete mixing tank car weather-resistant powder paint |
| CN109401572B (en) * | 2018-11-13 | 2021-03-02 | 安徽桑瑞斯环保新材料有限公司 | Weather-resistant powder coating for concrete mixing tank truck |
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Application publication date: 20181002 |