CN110511365A - A kind of engineering machinery polyester resin - Google Patents
A kind of engineering machinery polyester resin Download PDFInfo
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- CN110511365A CN110511365A CN201910753393.6A CN201910753393A CN110511365A CN 110511365 A CN110511365 A CN 110511365A CN 201910753393 A CN201910753393 A CN 201910753393A CN 110511365 A CN110511365 A CN 110511365A
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- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic 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
- C08G63/78—Preparation processes
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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
- 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
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The object of the present invention is to provide a kind of engineering machinery polyester resin, M-phthalic acid (IPA), adipic acid (ADA), 1 are used using polyalcohol, aromatic polycarboxylic acid, branching agent, acidolysis agent, esterification catalyst, antioxidant, curing accelerator and acidolysis agent, 4 cyclohexane cyclohexanedimethanodibasics (CHDA), fumaric acid (FCC), trimellitic anhydride (TMA), one kind of succinic acid (BA) and dodecanedicarboxylic acid (DDDA) or at least two mixing, more preferred includes at least IPA and ADA；Its powdery paints that engineering machinery can be prepared into curing agent (TGIC, hydroxyalkyl amide or blocked isocyanate), curing accelerator, pigment, filler, levelling agent and degasser etc.；Compared with conventional polyester resin, the polyester resin has constant excellent mechanical performance and flexility, water boiling resistance performance, weatherability, low temperature resistant frosting, resistance to thick performance when applying and changing solidification temperature, -18 DEG C of iron plate and the freezing impact and bending of electrophoresis plate and does not crack, and is very suitable for the coating of engineering machinery field.
Description
Technical field
The present invention relates to polyester resin field more particularly to a kind of engineering machinery polyester resin.
Background technique
With the growth of China's economic, the demand to engineering machinery is higher, and statistical data shows engineering machinery in 2018
Industry realizes 596,400,000,000 yuan of operating income, increases by 10.4% than 2017.Most of product of domestic and international project machinery is still at present
It is sprayed using solvent based coating.It is cumbersome using solvent based coating spraying process and a large amount of organic volatile can be generated
(VOC) it discharges, serious pollution is caused to environment.Powdery paints is free of organic volatile, can be recycled and recycles, will not be to environment
It pollutes, is a kind of ecotypic environmental protection coating material that government encourages.With the fast development of construction machinery industry, it is applied to engineering machine
The powdery paints of tool has become the important branch of powdery paints, and has the tendency that gradually replacing solvent based coating.
Xie Jing, He Tao etc. are in (" powdery paints and coating ", 2016(3), 1-4) propose suitable engineering machinery field powder
The characteristics of last coating are as follows: mechanical performance, chalking resistance energy, low-temperature setting or rapid curing, antiseptic property and weatherability etc..
Engineering machinery frequently encounters water environment, low temperature environment and chemical mediator corrosion etc. in use, therefore its powdery paints is also
Need to increase such as impact of water boiling resistance performance, low temperature resistant freezing and resistance to chemical corrosion.Engineering Machinery Components there may be
Thick the phenomenon that applying, in addition the features such as thicker ground of engineering machinery, cause coating system uneven heating even, therefore significant shadow
Ring its relevant mechanical performance and blooming behavior etc..In order to improve the corrosion resistance of components, Engineering Machinery Components surface
One layer of electrophoretic paint may be coated, the introducing of electrophoretic paint will affect the interaction between powder coating interface, in turn result in
The variation of mechanical performance.What CN104109452A, CN108300199A, CN108034339A etc. were provided which is engineering machinery powder
The preparation method of last coating, is not related to polyester resin.Chinese patent CN103755934B discloses a kind of frost-free type powdery paints
With the preparation method of polyester resin, however the patent merely provides the preparation method of frost-free type, is not suitable for engineering machinery neck
Domain.CN105254860B provides a kind of Constructional Machinery polyester resin for powder coating and preparation method thereof, however should
The resin that preparation method provides does not have thick painting, cryogenic freezing impact bending and the coating for being suitable for electrophoresis plate etc..BA and DDDA
Deng due to having longer carbochain, flexibility is good, is introduced into resin and first significant improve flexibility and cause mentioning for mechanical performance
It is high.
Summary of the invention
To solve the above problems, the present invention provides a kind of engineering machinery polyester resin, number average molecular weight 2500 ~
5000g/mol, glass transition temperature (Tg) >=54 DEG C；It can (TGIC, hydroxyalkyl amide or enclosed type be different with curing agent
Cyanate), curing accelerator, pigment, filler, levelling agent and degasser etc. can be prepared into the powdery paints of engineering machinery；
Compared with conventional polyester resin, the polyester resin have excellent mechanical performance and flexility, water boiling resistance performance, weatherability,
Low temperature resistant frosting, resistance to thick performance when applying and changing solidification temperature be constant, -18 DEG C of iron plate and the freezing impact and bending of electrophoresis plate
It does not crack, is very suitable for the coating of engineering machinery field, solves the problems in the background art.
The object of the present invention is to provide a kind of engineering machinery polyester resin, include the raw material of following weight percent:
Polyalcohol: 33 ~ 42%wt；46 ~ 55%wt of aromatic polycarboxylic acid；Branching agent: 0.0 ~ 2%wt；Acidolysis agent: 8 ~ 13%wt；Esterification catalyst
0.03~0.15%wt；0.01 ~ 2%wt of antioxidant；0 ~ 1%wt of curing accelerator；The acidolysis agent using M-phthalic acid (IPA),
Adipic acid (ADA), Isosorbide-5-Nitrae cyclohexane cyclohexanedimethanodibasic (CHDA), fumaric acid (FCC), trimellitic anhydride (TMA), succinic acid (BA) and ten
One kind of two carbon dicarboxylic acids (DDDA) or at least two mixing；More preferred includes at least IPA and ADA.
Further improvement lies in that: the polyalcohol uses neopentyl glycol (NPG), ethylene glycol (EG), 3-hydroxypivalic acid new penta
Diol monoester (HPHP), methyl propanediol (MPDI), in ethyl butyl propanediol (BEPD) and cyclohexanedimethanol (CHDM)
A combination of one or more object；More preferably two or more composition and NPG is as essential polynary
Alcohol.
Further improvement lies in that: the branching agent is using in trimethylolpropane (TMP) and trimethylolethane (TME)
One or two kinds of mixing.
Further improvement lies in that: the aromatic polycarboxylic acid is using one in phthalic acid (PTA) and M-phthalic acid (IPA)
The mixture of kind or both；It more preferably include terephthalic acid (TPA) (PTA) and M-phthalic acid (IPA).
Further improvement lies in that: the antioxidant is by the way of phosphite ester and Hinered phenols antioxidant compounding；It is described
Phosphite ester antioxidant uses three [2.4 ~ di-tert-butyl-phenyl] phosphite esters (antioxidant 626), three (2,4 ~ di-t-butyls)
Phenyl-phosphite (irgasfos 168), Hinered phenols antioxidant used for four [β ~ (3,5 ~ di-t-butyl ~ 4 ~ hydroxy phenyl) propionic acid] seasons
Doutrate (antioxidant 1010), β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester (antioxidant 1076).
Further improvement lies in that: the curing accelerator of the antioxygen uses tetraethylammonium bromide, 4 bromide, benzyl
Triethyl ammonium chloride, in triphenyl ethyl phosphonium bromide phosphine, dibutyl tin dilaurate it is one or more than one kinds of；Based on resin
Gross mass, usage amount are 0.01 ~ 1%wt.
Further improvement lies in that: the catalyst is tin catalyst, preferred Dibutyltin oxide, tributyltin oxide,
Dihydroxy dibutyl tin oxide, stannous oxalate, one of Mono-n-butyltin or more than one.
Further improvement lies in that: the polyester resin synthetic method are as follows: by the polyalcohol of formula ratio, branching agent, aromatic acid and
Suitable catalyst is put into reaction kettle simultaneously, and 235 ~ 255 DEG C are to slowly warm up in nitrogen atmosphere and is maintained, after system clarification
Sample detection acid value (AV) be added when reaching 5 ~ 20 (unit mgKOH/g resin, similarly hereinafter) secondary acidolysis agent IPA, ADA, CHDA,
FCC, BA, TMA and DDDA simultaneously maintain to carry out acidolysis sealing end at 235 ~ 250 DEG C of temperature；It is cooled to when acid value 35 ~ 70 of polyester
230 ~ 240 DEG C and vacuum (~ 0.1MPA) polycondensation for a period of time so that the acid value of polyester reaches 25 ~ 55；Be cooled to 180 later ~
230 DEG C of throwing antioxidant and curing accelerator simultaneously maintain blowing after 5 ~ 30min.
Further improvement lies in that: the polyester resin number-average molecular weight is in 2500 ~ 5000 g/mol, glass transition temperature
(Tg) >=54 DEG C, more preferred Tg >=57 DEG C.
Further improvement lies in that: the curing agent that the polyester resin prepares powdery paints is isocyanuric acid three-glycidyl ester
(TGIC) or with curing agent hydroxyalkyl amide (HAA)；The resin and curing agent isocyanuric acid three-glycidyl ester (TGIC) or
Engineering machinery powdery paints is prepared in hydroxyalkyl amide (HAA), pigment, filler, levelling agent and degasser.
Beneficial effects of the present invention: the present invention uses polyalcohol, aromatic polycarboxylic acid, branching agent, acidolysis agent, catalyzing esterification
Agent, antioxidant, curing accelerator and acidolysis agent use M-phthalic acid (IPA), adipic acid (ADA), Isosorbide-5-Nitrae hexamethylene diformazan
Sour (CHDA), fumaric acid (FCC), trimellitic anhydride (TMA), succinic acid (BA) and dodecanedicarboxylic acid (DDDA) one kind or
At least two mixing, more preferred includes at least IPA and ADA；It can with curing agent (TGIC, hydroxyalkyl amide or
Blocked isocyanate), curing accelerator, pigment, filler, levelling agent and degasser etc. can be prepared into the powder of engineering machinery
Last coating；Compared with conventional polyester resin, the polyester resin have excellent mechanical performance and flexility, water boiling resistance performance,
Weatherability, low temperature resistant frosting, resistance to thick performance when applying and changing solidification temperature be constant, -18 DEG C of iron plate and the freezing punching of electrophoresis plate
It hits and bends and do not crack, be very suitable for the coating of engineering machinery field.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, the embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
A ~ D is a performance of the embodiment of the present invention polyester resin corresponding with its in table 1.
Preparation method: in 5 liters of glass reaction kettles, by polyalcohol, branching agent, the virtue of Example formulations amount each in table 1
Fragrant acid and suitable catalyst are put into reaction kettle simultaneously, and 235-255 DEG C is to slowly warm up in nitrogen atmosphere and is maintained, to system
Be added when sample detection acid value (AV) reaches 5-15 (unit mgKOH/g resin, similarly hereinafter) after clarification secondary acidolysis agent IPA, ADA,
CHDA and FCC etc. simultaneously maintains to carry out acidolysis sealing end at 235-250 DEG C of temperature.Acid value to polyester is cooled to after reaching setting value
230-240 DEG C and vacuum polycondensation for a period of time so that the acid value of polyester and hydroxyl value reach setting range.Then it is cooled to 210-
Alcoholysis agent is thrown at 230 DEG C and maintains 20min；It is finally general to be cooled to 180-230 DEG C of throwing antioxidant and curing accelerator and maintain 5-
Blowing after 30min.Wherein the acid value Con trolling index of different phase equally marks in table 1.For the ease of comparing, provide
The index of two resins for universal use E and F is as a comparison in industry.
The performance of the saturated polyester resin synthesized with the present embodiment can be embodied the performance of manufactured powdery paints.
By the saturated polyester resin A ~ D and resins for universal use E and F of the present embodiment synthesis respectively at curing agent (three-glycidyl isocyanuric acid
Ester (TGIC), hydroxyalkyl amide (T105)), levelling agent, titanium dioxide, barium sulfate, styrax and 701B etc. be according to the ratio in table 2
It is mixed after weighing up, powdery paints is made after melting extrusion, tabletting, broken and sieving respectively with screw extruder.Then by powder
Coating is sprayed on the iron plate after surface granosealing, the various property of test system after solidifying under suitable condition of cure
Can, then by the various performances of testing coating, it the results are shown in Table 3.
The formula composition of 2. powdery paints of table
| A | B | C | D | Universal resin E | Universal resin F | |
| Resin | 558 | 558 | 558 | 480 | 558 | 558 |
| TGIC | 42 | 0 | 42 | 0 | 42 | 0 |
| T105 | 0 | 30 | 0 | 0 | 0 | 30 |
| Levelling agent/g | 10 | 10 | 10 | 10 | 10 | 10 |
| Styrax/g | 3 | 3 | 3 | 3 | 3 | 3 |
| 701b/g | 3 | 3 | 3 | 3 | 3 | 3 |
| Barium sulfate/g | 250 | 250 | 250 | 250 | 250 | 250 |
| Titanium dioxide/g | 150 | 150 | 150 | 150 | 150 | 150 |
| Condition of cure | 200/15min | 180/15min | 200/10min | 180/15min | 200/10min | 180/15min |
The performance for the powdery paints that 3. different resins of table are prepared into
Remarks 1: data test standard are as follows: UVB-313nm；Condensation: 40+-3 DEG C, 4h；50+-3 DEG C of illumination, 0.75W/
(m2.nm), 4h；
2: thick painting standard is the thickness of coating in 150 ~ 200 um, and HAA curing system tests curing degree currently without method, because
This does not provide the variation of curing degree.
It can be seen that the universal resin of comparison, the present embodiment polyester resin containing engineering machinery are being prepared into from table 3
Coating after powder coating solidification has following excellent performance:
1. mechanical performance and chemical resistance: polyester resin synthesized by the present embodiment and universal resin are close；
2. water boiling resistance performance: polyester resin synthesized by the present embodiment institute is better than universal polyester resin；
3. weather resistance: polyester resin synthesized by the present embodiment is better than universal polyester resin；
4. performance when resistance to thick painting and change solidification temperature: polyester resin synthesized by the present embodiment is better than universal polyester resin；
5. frost-resistance energy: polyester resin synthesized by the present embodiment is better than universal polyester resin better than universal polyester resin；
6.-18 DEG C of freezing impact and bending: polyester resin synthesized by the present embodiment is better than universal polyester resin.
In conjunction with above-mentioned data, it is believed that polyester resin synthesized by the present embodiment is very suitable for the painting of engineering machinery field
Dress, the following potential market are huge.
Claims (10)
1. a kind of engineering machinery polyester resin, it is characterised in that: include the raw material of following weight percent: polyalcohol: 33 ~
42%wt；46 ~ 55%wt of aromatic polycarboxylic acid；Branching agent: 0.0 ~ 2%wt；Acidolysis agent: 8 ~ 13%wt；Esterification catalyst 0.03 ~ 0.15%
wt；0.01 ~ 2%wt of antioxidant；0 ~ 1%wt of curing accelerator；The acidolysis agent uses M-phthalic acid (IPA), adipic acid
(ADA), Isosorbide-5-Nitrae cyclohexane cyclohexanedimethanodibasic (CHDA), fumaric acid (FCC), trimellitic anhydride (TMA), succinic acid (BA) and 12 carbon two
One kind of first acid (DDDA) or at least two mixing；More preferred includes at least IPA and ADA.
2. a kind of engineering machinery polyester resin as described in claim 1, it is characterised in that: the polyalcohol uses neopentyl glycol
(NPG), ethylene glycol (EG), Hydroxypivalyl hydroxypivalate (HPHP), methyl propanediol (MPDI), ethyl butyl propanediol
(BEPD) and the composition of one or more of cyclohexanedimethanol (CHDM)；More preferably two kinds or two kinds
Above composition and NPG is as essential polyalcohol.
3. a kind of engineering machinery polyester resin as described in claim 1, it is characterised in that: the branching agent uses trihydroxy methyl
One of propane (TMP) and trimethylolethane (TME) or two kinds of mixing.
4. a kind of engineering machinery resin according to claim 1, it is characterised in that: the aromatic polycarboxylic acid uses benzene two
The mixture of one of formic acid (PTA) and M-phthalic acid (IPA) or both；It more preferably include terephthalic acid (TPA)
(PTA) and M-phthalic acid (IPA).
5. a kind of engineering machinery polyester resin as described in claim 1, it is characterised in that: the antioxidant uses phosphorous acid
The mode of ester and Hinered phenols antioxidant compounding；The phosphite ester antioxidant uses three [2.4 ~ di-tert-butyl-phenyl] phosphorous
Acid esters (antioxidant 626), three (2,4 ~ di-t-butyl) phenyl-phosphites (irgasfos 168), Hinered phenols antioxidant use four [β
~ (3,5 ~ di-t-butyl ~ 4 ~ hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant 1010), β-(3,5- di-t-butyl -4- hydroxyls
Phenyl) propionic acid n-octadecyl alcohol ester (antioxidant 1076).
6. a kind of engineering machinery polyester resin as described in claim 1, it is characterised in that: the curing accelerator of antioxygen uses four
Ethyl phosphonium bromide ammonium, 4 bromide, benzyltriethylammoinium chloride, in triphenyl ethyl phosphonium bromide phosphine, dibutyl tin dilaurate
It is one or more than one kinds of；Gross mass based on resin, usage amount are 0.01 ~ 1%wt.
7. a kind of engineering machinery polyester resin as described in claim 1, it is characterised in that: the catalyst is the catalysis of tin class
Agent, preferably Dibutyltin oxide, tributyltin oxide, dihydroxy dibutyl tin oxide, stannous oxalate, one in Mono-n-butyltin
Kind or more than one.
8. a kind of engineering machinery polyester resin as described in claim 1-7, it is characterised in that: the polyester resin synthetic method
Are as follows: the polyalcohol of formula ratio, branching agent, aromatic acid and suitable catalyst are put into reaction kettle simultaneously, delayed in nitrogen atmosphere
Slowly 235 ~ 255 DEG C are warming up to and is maintained, sample detection acid value (AV) reaches 5 ~ 20 (unit mgKOH/g trees after system clarification
Secondary acidolysis agent IPA, ADA, CHDA, FCC, BA, TMA and DDDA is added when rouge, similarly hereinafter) and maintain at 235 ~ 250 DEG C of temperature into
Row acidolysis sealing end；230 ~ 240 DEG C and vacuum (~ 0.1MPA) polycondensation are cooled to when acid value 35 ~ 70 of polyester for a period of time, so that
The acid value of polyester reaches 25 ~ 55；Be cooled to later 180 ~ 230 DEG C of throwing antioxidant and curing accelerator and maintain 5 ~ 30min it
Blowing afterwards.
9. a kind of engineering machinery polyester resin as described in claim 1-7, it is characterised in that: the equal molecule of polyester resin number
Amount is in 2500 ~ 5000 g/mol, glass transition temperature (Tg) >=54 DEG C, more preferred Tg >=57 DEG C.
10. a kind of engineering machinery polyester resin as described in claim 1-7, it is characterised in that: the polyester resin prepares powder
The curing agent of coating be isocyanuric acid three-glycidyl ester (TGIC) or with curing agent hydroxyalkyl amide (HAA)；The resin and
Curing agent isocyanuric acid three-glycidyl ester (TGIC) or hydroxyalkyl amide (HAA), pigment, filler, levelling agent and degasser system
It is standby to obtain engineering machinery powdery paints.
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| CN111333826A (en) * | 2020-04-28 | 2020-06-26 | 黄山市向荣新材料有限公司 | HAA (polyurethane-acrylonitrile) cured high-leveling and thick-coating pinhole-resistant polyester resin as well as preparation method and application thereof |
| CN111393960A (en) * | 2020-04-13 | 2020-07-10 | 福建万安实业集团有限公司 | Special powder coating for high-leveling agricultural carriage and preparation method thereof |
| CN112079998A (en) * | 2020-09-14 | 2020-12-15 | 浙江中法新材料有限公司 | Polyester resin with excellent mechanical properties and weather resistance for powder coating and preparation method thereof |
| CN112142965A (en) * | 2020-10-22 | 2020-12-29 | 安徽神剑新材料股份有限公司 | Silicon-containing polyester resin, preparation method thereof and low-surface-tension powder coating |
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| CN112390938A (en) * | 2020-10-11 | 2021-02-23 | 芜湖市森沐知识产权科技服务有限公司 | 80/20 high Tg mixed type polyester resin and synthetic method thereof |
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| CN113603872A (en) * | 2021-09-01 | 2021-11-05 | 安徽神剑新材料股份有限公司 | Polyester resin with super-delayed mechanical property and preparation method and application thereof |
| CN114163620A (en) * | 2021-12-23 | 2022-03-11 | 安徽神剑新材料股份有限公司 | Water-stain-resistant whitening-resistant polyester resin and preparation method and application thereof |
| CN114196000A (en) * | 2021-12-23 | 2022-03-18 | 安徽神剑新材料股份有限公司 | High-coating Tg scratch-resistant TMA-free polyester resin, preparation method thereof and powder coating |
| CN114539889A (en) * | 2020-11-11 | 2022-05-27 | 青岛美尔塑料粉末有限公司 | High-gloss weather-resistant high-temperature-resistant detergent powder coating and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977346A (en) * | 2012-11-20 | 2013-03-20 | 广州擎天实业有限公司 | Polyester resin for triglycidyl isocyanurate (TGIC)-cured weather-resistant heat transfer printing powdery paint and preparation method thereof |
| CN104356369A (en) * | 2014-10-10 | 2015-02-18 | 广州擎天材料科技有限公司 | Polyester resin for weather-proof and impact-resisting powder coating and preparation method of polyester resin |
| CN108084415A (en) * | 2017-12-22 | 2018-05-29 | 安徽神剑新材料股份有限公司 | A kind of terminal hydroxy group-carboxyl difunctional saturated polyester resin and preparation method thereof |
| CN109734882A (en) * | 2018-11-30 | 2019-05-10 | 安徽神剑新材料股份有限公司 | A kind of three-glycidyl isocyanurate curing thermal transfer powdery paints carboxyl end group saturated polyester resin and its synthetic method |
| CN109762145A (en) * | 2018-11-30 | 2019-05-17 | 安徽神剑新材料股份有限公司 | A kind of hydroxyalkyl amide solidification thermal transfer powdery paints carboxyl end group saturated polyester resin and its synthetic method |
| CN109988491A (en) * | 2018-11-30 | 2019-07-09 | 安徽神剑新材料股份有限公司 | A kind of Heat Resistant Powder Coatings Silicon-containing Polyester resin |
-
2019
- 2019-08-15 CN CN201910753393.6A patent/CN110511365A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977346A (en) * | 2012-11-20 | 2013-03-20 | 广州擎天实业有限公司 | Polyester resin for triglycidyl isocyanurate (TGIC)-cured weather-resistant heat transfer printing powdery paint and preparation method thereof |
| CN104356369A (en) * | 2014-10-10 | 2015-02-18 | 广州擎天材料科技有限公司 | Polyester resin for weather-proof and impact-resisting powder coating and preparation method of polyester resin |
| CN108084415A (en) * | 2017-12-22 | 2018-05-29 | 安徽神剑新材料股份有限公司 | A kind of terminal hydroxy group-carboxyl difunctional saturated polyester resin and preparation method thereof |
| CN109734882A (en) * | 2018-11-30 | 2019-05-10 | 安徽神剑新材料股份有限公司 | A kind of three-glycidyl isocyanurate curing thermal transfer powdery paints carboxyl end group saturated polyester resin and its synthetic method |
| CN109762145A (en) * | 2018-11-30 | 2019-05-17 | 安徽神剑新材料股份有限公司 | A kind of hydroxyalkyl amide solidification thermal transfer powdery paints carboxyl end group saturated polyester resin and its synthetic method |
| CN109988491A (en) * | 2018-11-30 | 2019-07-09 | 安徽神剑新材料股份有限公司 | A kind of Heat Resistant Powder Coatings Silicon-containing Polyester resin |
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Application publication date: 20191129 |