CN106916519A - Low temperature antistatic powder coating for automobile refuelling pipe and preparation method thereof - Google Patents
Low temperature antistatic powder coating for automobile refuelling pipe and preparation method thereof Download PDFInfo
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- CN106916519A CN106916519A CN201710124993.7A CN201710124993A CN106916519A CN 106916519 A CN106916519 A CN 106916519A CN 201710124993 A CN201710124993 A CN 201710124993A CN 106916519 A CN106916519 A CN 106916519A
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Classifications
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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
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/916—Dicarboxylic acids and dihydroxy compounds
-
- 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
-
- 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
- C09D5/24—Electrically-conducting paints
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including the raw material of following mass fraction is made：35 ~ 75 parts of bi-component polyesters, 3 ~ 7 parts of curing agent, 0.2 ~ 0.5 part of catalyst, 5 ~ 15 parts of conductive metal powders, 0.3 ~ 0.5 part of defoamer, 15 ~ 20 parts of barium sulfate, 5 ~ 15 parts of ceramic clays, 1 ~ 2 part of levelling agent；Wherein, bi-component polyester includes 15 ~ 35 parts of polyester A, 20 ~ 40 parts of polyester B；The polyester B is the saturated polyester resin that acrylic monomers is modified, and its acid number is in 30 ~ 37mgKOH/g, viscosity at 3000 ~ 6000mPa.s/200 DEG C.Method invention additionally discloses the low temperature antistatic powder coating for automobile refuelling pipe is prepared.The present invention has low solidification temperature, environmental protection, low resistance, it is to avoid the technique effect that the electrostatic spark between oil filling pipe and nozzle is produced.
Description
Technical field
The present invention relates to technical field of chemical paint, more particularly, to the low temperature antistatic powder coating of automobile refuelling pipe
And preparation method thereof.
Background technology
Existing auto parts and components such as oiling pipe internal surface overbrushing is covered with dope layer, is protected.Traditional automobile fuel filler
Pipe coating mainly includes two kinds of stone-impact-proof paint and powdery paints.Wherein, stone-impact-proof paint VOC content is high, it is impossible to meet ring
Guaranteed request；The principal resinous ingredients of powdery paints include polyester resin；Its solidification temperature of prior art polyester is higher, it usually needs
180 DEG C, it is difficult curing molding；In addition, the resistance of coating is larger, higher than 1 × 1010Ohm, during oiling, oil filling pipe and nozzle it
Between can produce electrostatic spark, cause safety coefficient low.
The content of the invention
The present invention in view of the shortcomings of the prior art, there is provided a kind of solidification temperature is low, environmental protection, low resistance, it is to avoid refuel
Low temperature antistatic powder coating for automobile refuelling pipe that electrostatic spark between pipe and nozzle is produced and preparation method thereof.
The present invention realizes solving above-mentioned technical problem by following technological means：A kind of low temperature for automobile refuelling pipe
Antistatic powder coating, including the raw material of following mass fraction is made：35~75 parts of bi-component polyesters, 3~7 parts of curing agent, 0.2
~0.5 part of catalyst, 5~15 parts of conductive metal powders, 0.3~0.5 part of defoamer, 15~20 parts of barium sulfate, 5~15 parts of ceramics
Soil, 1~2 part of levelling agent；
Wherein, bi-component polyester includes 15~35 parts of polyester A, 20~40 parts of polyester B；The polyester B is acrylic monomers
Modified saturated polyester resin.
Preferably, the conductive metal powder is one kind of aluminium powder, nickel powder or stainless steel powder.
Preferably, its particle diameter of the conductive metal powder is 30~35um.
Preferably, the coating also includes the one or two kinds of in antioxidant, raising agent.
Preferably, the antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or three
The one of (2,4- di-tert-butyl-phenyls) phosphite ester or β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid
Kind；The raising agent is aerosil.
A kind of modified saturated polyester resin of acrylic monomers, including the raw material of following mass fraction is made：20~25 parts
Neopentyl glycol, 5~10 parts of ethylene glycol, 40~50 parts of terephthalic acid (TPA), 10~15 parts of M-phthalic acid, 0.01~5
Part trimellitic anhydride, 3~5 parts of first class glycidyl acrylate, 0.01~2 part of tin catalyst, 0.01~2 part urge
Agent.
A kind of method for preparing the modified saturated polyester resin of above-mentioned acrylic monomers, comprises the following steps：
Step one：In a nitrogen environment, neopentyl glycol, ethylene glycol, terephthalic acid (TPA), M-phthalic acid and tin class is added to urge
Agent is heated to 120 DEG C and starts stirring；
Step 2：225 DEG C of insulations are warming up to, 18~21 hours are incubated, 200 DEG C are cooled to, biasing benzenetricarboxylic anhydride is further continued for
It is warming up to 225 DEG C；
Step 3：Insulation 3~3.5 hours, vacuumizes dehydration to acid number 35mgKOH/g, is cooled to 170 DEG C, and addition is urged
Agent is simultaneously added dropwise first class glycidyl acrylate, is incubated 1 hour and discharges.
It is a kind of to prepare the above-mentioned low temperature antistatic powder coating for automobile refuelling pipe, comprise the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation successively；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；Two-stage agitation prevents layering, after once stirring, makes material upper and lower
Layer freely mixes, can more substantially low mixing.
Step 2：Granulation；Extruder includes three temperature ranges；The temperature of the first temperature range is 20 DEG C, second temperature
Interval temperature is 80 DEG C, the temperature of the 3rd temperature range is 90 DEG C；Because body series react quickly, once temperature of charge mistake
Height, can cause antedating response, reduce the performance of coating, therefore use heat stepwise.
Step 3：Grinding, filtering, obtain product.
Preferably, the material after granulation is ground by air classification mill in the step 3, wherein main mill
4000rpm, secondary mill 2800rpm；Again powder is obtained by the sieving of 220 mesh.
Preferably, it is 11 that the extruder uses draw ratio：1 double screw extruder.
The advantage of the invention is that：
First, coating of the invention uses double component polyester material, wherein polyester B to pass through first class glycidyl acrylate pair
Saturated polyester is modified, and introduces active double bond structure, enhances reactivity.Its solidification temperature at 120 DEG C or so, relatively
Prior art, reduces solidification temperature so that coating at reduced temperatures, with good mouldability.
Second, coating of the invention its volume resistance is respectively less than 109, coating compared with the prior art significantly reduces
Resistance, it is to avoid the probability that the electrostatic spark between oil filling pipe and nozzle is produced.The aluminium powder of 30~35um of present invention use particle diameter,
One kind of nickel powder or stainless steel powder, conductive effect stability far surpasses the conductive titanium white or conductive cloud being modified on titanium white or mica powder
It is female.
Third, coating of the invention is powder, without VOC, the requirement of environmental protection is met.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
A kind of modified saturated polyester resin of the public acrylic monomers of the present invention, including the raw material of following mass fraction is made：
20~25 parts of neopentyl glycol, 5~10 parts of ethylene glycol, 40~50 parts of terephthalic acid (TPA), 10~15 parts of M-phthalic acid,
0.01~5 part of trimellitic anhydride, 3~5 parts of first class glycidyl acrylate, 0.01~2 part of tin catalyst, 0.01~
2 parts of catalyst.
A kind of method for preparing the modified saturated polyester resin of above-mentioned acrylic monomers, comprises the following steps：
Step one：In a nitrogen environment, neopentyl glycol, ethylene glycol, terephthalic acid (TPA), M-phthalic acid and tin class is added to urge
Agent is heated to 120 DEG C and starts stirring；
Step 2：225 DEG C of insulations are warming up to, 20 hours are incubated, 200 DEG C are cooled to, biasing benzenetricarboxylic anhydride is further continued for heating up
To 225 DEG C；
Step 3：Insulation 3 hours, vacuumizes dehydration to acid number 35mgKOH/g, is cooled to 170 DEG C, adds catalyst drop
Plus first class glycidyl acrylate, it is incubated 1 hour and discharges.
Embodiment 1
The present embodiment discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including following mass fraction
Raw material is made：35 parts of bi-component polyesters, 3 parts of curing agent, 0.2 part of catalyst, 5 parts of conductive metal powders, 0.3 part of defoamer, 15
Part barium sulfate, 5 parts of ceramic clays, 1 part of levelling agent.
Wherein, bi-component polyester includes 15 parts of polyester A, 20 parts of polyester B.Polyester A gathers for the saturation of acid number 45mgKOH/g
Ester, viscosity is 2500 (mPa.s/200 degree)；Polyester B is the saturated polyester resin that acrylic monomers is modified, and its acid number exists
30mgKOH/g, viscosity are at 3000mPa.s/200 DEG C.Curing agent uses mass ratio 1:1 TGIC, DHBP；Catalyst into subpackage
Include 2-methylimidazole；Conductive metal powder uses aluminium powder, its particle diameter 30um；Defoamer uses benzoin；Levelling agent is polypropylene
Esters of gallic acid levelling agent.
The present embodiment also provides a kind of method for preparing above-mentioned coating, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation successively；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；Two-stage agitation prevents layering, after once stirring, makes material upper and lower
Layer freely mixes, can more substantially low mixing.
Step 2：Granulation；Extruder includes three temperature ranges successively from front to back according to technological process；First humidity province
Between temperature be 20 DEG C, the interval temperature of second temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；Because body series are anti-
Once temperature of charge is too high, should can cause antedating response quickly, reduce the performance of coating.
Step 3：Grinding, filtering, obtain product.
Embodiment 2
The present embodiment discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including following mass fraction
Raw material is made：50 parts of bi-component polyesters, 5 parts of curing agent, 0.3 part of catalyst, 10 parts of conductive metal powders, 0.4 part of defoamer, 17
Part barium sulfate, 10 parts of ceramic clays, 1.5 parts of levelling agents, 0.5 part of antioxidant, 0.2 part of raising agent.
Wherein, bi-component polyester includes 20 parts of polyester A, 30 parts of polyester B；The acid number of polyester A gathers for the saturation of 50mgKOH/g
Ester, viscosity is 3000 (mPa.s/200 DEG C)；Polyester B is the saturated polyester resin that acrylic monomers is modified, and its acid number exists
35mgKOH/g, viscosity are in 4500 (mPa.s/200 DEG C).The composition of curing agent includes mass ratio 1:2 1,3,5- tri- shrinks sweet
Oil-S- triazinetriones, DHBP；The composition of catalyst includes 2 benzylimidazolines；Conductive metal powder uses nickel powder, its particle diameter
33um；Defoamer uses benzoin；Antioxidant uses four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrites
Ester；Levelling agent is polyacrylate levelling agent；Raising agent is aerosil.
The present embodiment also provides a kind of method for preparing above-mentioned coating, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation successively；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；
Step 2：Granulation；Extruder includes three temperature ranges successively from front to back according to technological process；First humidity province
Between temperature be 20 DEG C, the interval temperature of second temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；Control drop temperature
Not higher than 140 DEG C, control drop temperature is less than 140 DEG C.
Step 3：Grinding, filtering, obtain product.It is ground by air classification mill, wherein main mill 4000rpm, secondary mill
2800rpm；Again powder is obtained by the sieving of 220 mesh.
Embodiment 3
The present embodiment discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including following mass fraction
Raw material is made：75 parts of bi-component polyesters, 7 parts of curing agent, 0.5 part of catalyst, 15 parts of conductive metal powders, 0.5 part of defoamer, 20
Part barium sulfate, 15 parts of ceramic clays, 2 parts of levelling agents, 1 part of antioxidant, 0.5 part of raising agent.
Wherein, bi-component polyester includes 35 parts of polyester A, 40 parts of polyester B；The acid number of polyester A gathers for the saturation of 55mgKOH/g
Ester, viscosity is 4500 (mPa.s/200 DEG C)；Polyester B is the saturated polyester resin that acrylic monomers is modified, and its acid number exists
37mgKOH/g, viscosity are in 6000 (mPa.s/200 DEG C).The composition of curing agent includes mass ratio 2:1 three glycidyl isocyanuric acids
Ester, epoxide equivalent 110 (g/eq), DHBP；The composition of catalyst includes 2- benzylimidazolines；Conductive metal powder uses stainless steel
Powder, its particle diameter 35um；Defoamer uses benzoin；Antioxidant uses three (2,4- di-tert-butyl-phenyls) phosphite esters；Levelling agent
It is polyacrylate levelling agent；Raising agent is aerosil.
The present embodiment also provides a kind of method for preparing above-mentioned coating, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation successively；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；
Step 2：Granulation；Extruder includes three temperature ranges successively from front to back according to technological process；First humidity province
Between temperature be 20 DEG C, the interval temperature of second temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；Control drop temperature
Not higher than 140 DEG C, control drop temperature is less than 140 DEG C.
Step 3：Grinding, filtering, obtain product.It is ground by air classification mill, wherein main mill 4000rpm, secondary mill
2800rpm；Again powder is obtained by the sieving of 220 mesh.
Comparative example 1
The present embodiment discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including following mass fraction
Raw material is made：50 parts of bi-component polyesters, 5 parts of curing agent, 0.3 part of catalyst, 0.4 part of defoamer, 17 parts of barium sulfate, 10 parts of ceramics
Soil, 1.5 parts of levelling agents, 0.5 part of antioxidant, 10 parts of conductive titanium whites, 0.2 part of raising agent.
Wherein, bi-component polyester includes 20 parts of polyester A, 30 parts of polyester B；The acid number of polyester A gathers for the saturation of 50mgKOH/g
Ester, viscosity is 3000 (mPa.s/200 DEG C)；Polyester B is the saturated polyester resin that acrylic monomers is modified, and its acid number exists
35mgKOH/g, viscosity are in 4500 (mPa.s/200 DEG C).The composition of curing agent includes mass ratio 1:2 1,3,5- tri- shrinks sweet
Oil-S- triazinetriones and DHBP；The composition of catalyst includes 2- benzylimidazolines；Defoamer uses benzoin；Antioxidant is used
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters；Levelling agent is polyacrylate levelling agent；It is loose
Agent is aerosil.
The present embodiment also provides a kind of method for preparing above-mentioned coating, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；
Step 2：Granulation；Extruder includes three temperature ranges successively from front to back according to technological process；First humidity province
Between temperature be 20 DEG C, the interval temperature of second temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；Control drop temperature
Not higher than 140 DEG C, control drop temperature is less than 140 DEG C.
Step 3：Grinding, filtering, obtain product.It is ground by air classification mill, wherein main mill 4000rpm, secondary mill
2800rpm；Again powder is obtained by the sieving of 220 mesh.
Comparative example 2
The present embodiment discloses a kind of low temperature antistatic powder coating for automobile refuelling pipe, including following mass fraction
Raw material is made：30 parts of polyester, 30 parts of epoxy resin, 0.3 part of catalyst, 10 parts of conductive metal powders, 0.4 part of defoamer, 17 parts
Barium sulfate, 10 parts of ceramic clays, 1.5 parts of levelling agents, 0.5 part of antioxidant, 0.2 part of raising agent.
Wherein, the acid number of polyester is the saturated polyester of 50mgKOH/g, and viscosity is 3000 (mPa.s/200 DEG C)；Epoxy resin
Its epoxide number of B 0.12g/eq；The composition of catalyst includes that 2- benzylimidazolines, conductive metal powder use nickel powder, its particle diameter
33um；Defoamer uses benzoin；Antioxidant uses four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrites
Ester；Levelling agent is polyacrylate levelling agent；Raising agent is aerosil.
The present embodiment also provides a kind of method for preparing above-mentioned coating, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；First paragraph, 180s is stirred under 200rpm speed；
Step 2：Granulation；Extruder includes three temperature ranges successively from front to back according to technological process；First humidity province
Between temperature be 20 DEG C, the interval temperature of second temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；Control drop temperature
Not higher than 140 DEG C, control drop temperature is less than 140 DEG C.
Step 3：Grinding, filtering, obtain product.It is ground by air classification mill, wherein main mill 4000rpm, secondary mill
2800rpm；Again powder is obtained by the sieving of 220 mesh.
It is 11 that the extruder that each embodiment of the invention is used is draw ratio：1 double screw extruder.
Performance test, is shown in Table 1
Table 1
As can be seen from Table 1, embodiment 1, embodiment 2, embodiment 3 are poly- to saturation by first class glycidyl acrylate
Ester is modified, and introduces active double bond structure, greatly strengthen reactivity.Its solidification temperature is relatively right at 120 DEG C or so
Ratio 2, reduces solidification temperature so that coating at reduced temperatures, with good mouldability.Embodiment 1, embodiment 2,
The volume resistance of embodiment 3 is respectively less than 109, relative contrast's example 1 significantly reduces resistance, it is to avoid oil filling pipe and nozzle it
Between electrostatic spark produce probability.
It should be noted that herein, if being used merely to one in the presence of first and second or the like relational terms
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include those
Key element, but also other key elements including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of low temperature antistatic powder coating for automobile refuelling pipe, it is characterised in that the original including following mass fraction
Material is made：35 ~ 75 parts of bi-component polyesters, 0.2 ~ 0.5 part of catalyst, 3 ~ 7 parts of curing agent, 5 ~ 15 parts of conductive metal powders, 0.3 ~
0.5 part of defoamer, 15 ~ 20 parts of barium sulfate, 5 ~ 15 parts of ceramic clays, 1 ~ 2 part of levelling agent；
Wherein, bi-component polyester includes 15 ~ 35 parts of polyester A, 20 ~ 40 parts of polyester B；The polyester B is what acrylic monomers was modified
Saturated polyester resin.
2. the low temperature antistatic powder coating for automobile refuelling pipe according to claim 1, it is characterised in that described to lead
Electric metal powder is one kind of aluminium powder, nickel powder or stainless steel powder.
3. the low temperature antistatic powder coating for automobile refuelling pipe according to claim 1-2 Arbitrary Terms, its feature exists
In its particle diameter of the conductive metal powder is 30 ~ 35um.
4. the low temperature antistatic powder coating for automobile refuelling pipe according to claim 1, it is characterised in that the painting
Material also includes the one or two kinds of in antioxidant, raising agent.
5. the low temperature antistatic powder coating for automobile refuelling pipe according to claim 4, it is characterised in that described anti-
Oxygen agent is four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters or three (2,4- di-tert-butyl-phenyls)
One kind of phosphite ester or β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid；The raising agent is gas
Aerosil.
6. the saturated polyester resin that a kind of acrylic monomers is modified, it is characterised in that the raw material including following mass fraction is made：
20 ~ 25 parts of neopentyl glycol, 5 ~ 10 parts of ethylene glycol, 40 ~ 50 parts of terephthalic acid (TPA), 10 ~ 15 parts of M-phthalic acid, 0.01
~ 5 parts of trimellitic anhydride, 3 ~ 5 parts of first class glycidyl acrylate, 0.01 ~ 2 part of tin catalyst, 0.01 ~ 2 part urge
Agent.
7. a kind of method for preparing the modified saturated polyester resin of acrylic monomers as claimed in claim 6, it is characterised in that
Comprise the following steps：
Step one：In a nitrogen environment, neopentyl glycol, ethylene glycol, terephthalic acid (TPA), M-phthalic acid and tin catalyst are added
It is heated to 120 DEG C and starts stirring；
Step 2：225 DEG C of insulations are warming up to, 18 ~ 21 hours are incubated, 200 DEG C are cooled to, biasing benzenetricarboxylic anhydride is further continued for being warming up to
225℃；
Step 3：Insulation 3 ~ 3.5 hours, vacuumizes dehydration to acid number 35mgKOH/g, is cooled to 170 DEG C, adds catalyst drop
Plus first class glycidyl acrylate, it is incubated 1 hour and discharges.
8. a kind of low temperature antistatic powder coating for automobile refuelling pipe prepared as described in claim any one of 1-5, its
It is characterised by, comprises the following steps：
Step one：Each raw material is adopted into mixing, and carries out two-stage agitation successively；First paragraph, stirs under 90rmp stir speed (S.S.)s
180s；Second segment, 180s is stirred under 200rpm speed；
Step 2：Granulation；Extruder includes three temperature ranges；The temperature of the first temperature range is 20 DEG C, second temperature interval
Temperature be 80 DEG C, the temperature of the 3rd temperature range be 90 DEG C；
Step 3：Grinding, filtering, obtain product.
9. method according to claim 8, it is characterised in that by the material after granulation by air point in the step 3
Level mill is ground, wherein main mill 4000rpm, secondary mill 2800rpm；Again powder is obtained by the sieving of 220 mesh.
10. method according to claim 8, it is characterised in that it is 11 that the extruder uses draw ratio：1 twin-screw
Extruder.
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| CN201710124993.7A CN106916519B (en) | 2017-03-03 | 2017-03-03 | Low temperature antistatic powder coating and preparation method thereof for automobile refuelling pipe |
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| CN201710124993.7A CN106916519B (en) | 2017-03-03 | 2017-03-03 | Low temperature antistatic powder coating and preparation method thereof for automobile refuelling pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724805A (en) * | 2020-12-30 | 2021-04-30 | 广东华江粉末科技有限公司 | Anti-slip powder coating and preparation method thereof |
| CN117024720A (en) * | 2023-10-08 | 2023-11-10 | 张家港市华昌新材料科技有限公司 | Polyester resin for transparent powder coating and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528846A (en) * | 2003-10-21 | 2004-09-15 | 浙江大学 | Semi-crystalline/amorphous unsaturated polyester powder coating and preparing method thereof |
| CN104119781A (en) * | 2013-04-28 | 2014-10-29 | 广东兴发铝业有限公司 | Low temperature curing thermosetting polyester powder coating and preparation method thereof |
| CN105505145A (en) * | 2016-02-22 | 2016-04-20 | 福建万安实业有限公司 | Low-resistance powder paint |
-
2017
- 2017-03-03 CN CN201710124993.7A patent/CN106916519B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528846A (en) * | 2003-10-21 | 2004-09-15 | 浙江大学 | Semi-crystalline/amorphous unsaturated polyester powder coating and preparing method thereof |
| CN104119781A (en) * | 2013-04-28 | 2014-10-29 | 广东兴发铝业有限公司 | Low temperature curing thermosetting polyester powder coating and preparation method thereof |
| CN105505145A (en) * | 2016-02-22 | 2016-04-20 | 福建万安实业有限公司 | Low-resistance powder paint |
Non-Patent Citations (2)
| Title |
|---|
| 陈唯 等: "热固性粉末涂料用端双键聚酯树脂的合成", 《涂料工业》 * |
| 陈振发: "《粉末涂料涂装工艺学》", 30 September 1997, 上海科学技术文献出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724805A (en) * | 2020-12-30 | 2021-04-30 | 广东华江粉末科技有限公司 | Anti-slip powder coating and preparation method thereof |
| CN112724805B (en) * | 2020-12-30 | 2022-08-19 | 广东华江粉末科技有限公司 | Anti-slip powder coating and preparation method thereof |
| CN117024720A (en) * | 2023-10-08 | 2023-11-10 | 张家港市华昌新材料科技有限公司 | Polyester resin for transparent powder coating and preparation method and application thereof |
| CN117024720B (en) * | 2023-10-08 | 2023-12-26 | 张家港市华昌新材料科技有限公司 | Polyester resin for transparent powder coating and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106916519B (en) | 2019-10-11 |
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