CN104448273B - A kind of indoor physics extinction type saturated polyester resin and preparation method thereof and coating - Google Patents
A kind of indoor physics extinction type saturated polyester resin and preparation method thereof and coating Download PDFInfo
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Abstract
The present invention discloses a kind of indoor physics extinction type saturated polyester resin and preparation method thereof and coating, counts composed of the following components by weight: polyhydric alcohol 30 45 parts；Polyprotic acid 55 70 parts；Dihydromethyl propionic acid 05 parts；Catalyst 0.1 0.3 parts；Antioxidant 0.1 0.5 parts；Trimellitic anhydride 5 10 parts；Polyprotic acid performed polymer 38 parts；Curing accelerator 0.1 1 parts.The present invention indoor physics extinction type saturated polyester resin can with epoxy resin and indoor physics delustering agent with the use of, 60 ° of glossiness of cured rear paint film are between 5%～30%, good leveling property, resistance to impact and resistance to bend(ing) are good, the physics delustring demand of indoor shape can be met, pollution-free, low cost, for Green Product.
Description
Technical field
The present invention relates to technical field of surface coating, particularly relate to a kind of regulatable type indoor physics extinction type saturated polyester
Resin and preparation method thereof and coating.
Background technology
Powdery paints is pollution-free because of it, and availability share that is high and that facilitate the features such as transport shared on Coating Market is got over
Come the biggest, and the paint film of saturated polyester resin is full, function admirable, purposes are different, be that China's development & production voluntarily is the most in recent years
Active kind.Along with the raising of living standard, the transformation of the aesthetic standards of people, extinction type coating is connect by users
Being subject to, especially indoor application part, the environment worked long hours such as car and boat driver's cabin, office etc. is with greater need for comfortable low of peace and quiet
Gloss, therefore, exploitation low gloss saturated polyester resin also becomes the focus that research staff pays close attention to.But traditional low gloss is saturated
Polyester resin is usually and uses chemical quenching agent to carry out delustring, and it is high that chemical quenching exists cost, is easily generated the shortcomings such as pollution；If
Using more environmentally friendly, cost performance higher physics delustering agent carries out delustring, then need saturated polyester resin is proposed higher requirement.
Saturated polyester resin the most on the market is difficult to reach desired effect.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of indoor physics extinction type saturated polyester
Resin and preparation method thereof and coating, it is intended to solve existing saturated polyester resin and use physics delustering agent to be difficult to reach combination property
Excellent problem.
Technical scheme is as follows:
A kind of indoor physics extinction type saturated polyester resin, wherein, counts composed of the following components by weight:
Polyhydric alcohol 30-45 part；
Polyprotic acid 55-70 part；
Dihydromethyl propionic acid 0-5 part；
Catalyst 0.1-0.3 part；
Antioxidant 0.1-0.5 part；
Trimellitic anhydride 5-10 part；
Polyprotic acid performed polymer 3-8 part；
Curing accelerator 0.1-1 part.
Described indoor physics extinction type saturated polyester resin, wherein, described polyhydric alcohol is neopentyl glycol, trihydroxy methyl third
One or more in alkane, ethylene glycol, diethylene glycol.
Described indoor physics extinction type saturated polyester resin, wherein, described polyprotic acid is p-phthalic acid, isophthalic diformazan
One or more in acid, adipic acid.
Described indoor physics extinction type saturated polyester resin, wherein, described polyprotic acid performed polymer is ethylene glycol and equal benzene
Tetracarboxylic acid anhydride performed polymer.
Described indoor physics extinction type saturated polyester resin, wherein, described catalyst is Mono-n-butyltin, dibutyl
One or more in tin dilaurate stannum, dibutyl tin acetate.
Described indoor physics extinction type saturated polyester resin, wherein, described antioxidant is hypophosphorous acid or phosphoric acid triphen
Ester.
Described indoor physics extinction type saturated polyester resin, wherein, described curing accelerator is triphenylphosphine, anilino-
One or more in formyl imidazoles, benzylimidazoline.
The preparation method of a kind of indoor physics extinction type saturated polyester resin as above, wherein, comprises the following steps:
It is previously added polyhydric alcohol 30～45 parts, polyprotic acid 55～70 parts, dihydromethyl propionic acid 0～5 parts；Catalyst 0.1～
0.3 part and antioxidant 0.1～0.5 part, be warming up to 240～250 DEG C, react 5～10 hours；Detection product acid number 15～
After 25mgKOH/g, it is cooled to 200～230 DEG C, is evacuated to vacuum-0.1MPa, react 2～6 hours；Detection product acid number
5～10mgKOH/g, addition trimellitic anhydride 5～10 parts；Polyprotic acid performed polymer 3～8 parts, react at 180～200 DEG C 1～
2 hours；Detection product acid number, 65～80mgKOH/g, adds curing accelerator 0.1～1 part, reacts 0.5～1 hour；Discharging,
Prepare indoor physics extinction type saturated polyester resin.
A kind of coating, wherein, comprises indoor physics extinction type saturated polyester tree as above in the raw material of described coating
Fat.
Described coating, wherein, also includes epoxy resin and indoor physics delustering agent in the raw material of described coating.
Described coating, wherein, described coating includes following components by weight:
Indoor physics extinction type saturated polyester resin 50 parts；
Epoxy resin 50 parts；
Indoor physics delustering agent 5 parts；
Titanium dioxide 50 parts；
15 parts of barium sulfate；
Benzoinum 0.8 part；
Levelling agent 1 part.
Beneficial effect: the present invention provides a kind of regulatable type indoor physics extinction type saturated polyester resin and preparation method thereof
And coating, described indoor physics extinction type saturated polyester resin can be with epoxy resin and indoor physics delustering agent with the use of, warp
After solidification, 60 ° of glossiness of paint film are between 5%～30%, good leveling property, and resistance to impact and resistance to bend(ing) are good, can meet indoor gold
The physics delustring demand of genotype material, pollution-free, low cost, for Green Product.
Detailed description of the invention
The present invention provides a kind of regulatable type indoor physics extinction type saturated polyester resin and preparation method thereof and coating, for
Making the purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention is described in more detail below.Should manage
Solving, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
A kind of regulatable type indoor physics extinction type saturated polyester resin provided by the present invention, it is with many by polyhydric alcohol
Unit is sour after polycondensation reaction, more prepared with trimellitic anhydride and polyprotic acid prepolymer reaction, it participates in the monomer of reaction
And consumption (calculating by weight) is as follows:
Polyhydric alcohol 30～45 parts；Polyprotic acid 55～70 parts；Dihydromethyl propionic acid 0～5 parts;Catalyst 0.1～0.3 part；Anti-
Oxidant 0.1～0.5 part；Trimellitic anhydride 5～10 parts；Polyprotic acid performed polymer 3～8 parts；Curing accelerator 0.1～1 part.
In preferred embodiment, in described indoor physics extinction type saturated polyester resin, the consumption of each component is (by weight
Meter) be: neopentyl glycol 30 parts；Ethylene glycol 4 parts；Diethylene glycol 6 parts；P-phthalic acid 65 parts；Catalyst (Mono-n-butyltin)
0.1 part, antioxidant (triphenyl phosphite) 0.3 part；Trimellitic anhydride 8 parts；Polyprotic acid performed polymer 5 parts；Curing accelerator (three
Phenylphosphine, anilino-formyl imidazoles and benzylimidazoline) 1 part.
Further, one during described polyhydric alcohol is neopentyl glycol, trimethylolpropane, ethylene glycol, diethylene glycol or
Multiple.
Described polyprotic acid is one or more in p-phthalic acid, M-phthalic acid, adipic acid.
Described polyprotic acid performed polymer is ethylene glycol and pyromellitic dianhydride performed polymer, and ethylene glycol is pressed with pyromellitic dianhydride
Ratio according to the amount of the material of 0.7-1.4 forms polyprotic acid performed polymer.
Described catalyst be the one in Mono-n-butyltin, dibutyl tin dilaurate, dibutyl tin acetate or
Multiple.
Described antioxidant is hypophosphorous acid or triphenyl phosphate.
Described curing accelerator is one or more in triphenylphosphine, anilino-formyl imidazoles, benzylimidazoline.
The present invention also provides for the preparation method of described indoor physics extinction type saturated polyester resin, specifically includes following step
Rapid:
Be previously added polyhydric alcohol 30～45 parts, polyprotic acid 55～70 parts, dihydromethyl propionic acid 0～5 parts, catalyst 0.1～
0.3 part, antioxidant 0.1～0.5 part, be warming up to 240～250 DEG C, react 5～10 hours, detection product acid number 15～
25mgKOH/g；Being cooled to 200～230 DEG C, be evacuated to vacuum-0.1MPa, react 2～6 hours, detection product acid number is 5
～10mgKOH/g；Add trimellitic anhydride 5～10 parts；Polyprotic acid performed polymer 3～8 parts；1～2 are reacted little at 180～200 DEG C
Time, detection product acid number is 65～80mgKOH/g；Add curing accelerator 0.1～1 part, react 0.5～1 hour；Discharging, system
Obtain indoor physics extinction type saturated polyester resin.
In its preparation process, first carry out esterifying polycondensation reaction, increase to the most afterwards add trimellitic acid until molecule
Acid anhydride and polyprotic acid performed polymer react, and contribute to the active reactive group that molecule forming position is different；It addition, it is last in reaction
Add one or more curing accelerators, because different active reactive group causes response speed when resin can be made to solidify
Inconsistent and form the out-of-flatness on paint film microcosmic, thus be more beneficial for physics delustering agent and be attached to coating surface, it is finally reached
The best extinction effect.Therefore, described indoor physics extinction type saturated polyester resin can be with physics delustering agent with the use of, warp
After solidification, 60 ° of glossiness of paint film are between 5%～30%, good leveling property, and resistance to impact and resistance to bend(ing) are good, can meet indoor gold
The physics delustring demand of genotype material, pollution-free, low cost, for Green Product.
For the preparation method of the more detailed description present invention, it is exemplified below several embodiment further description.
Embodiment 1
The factory formula of a kind of indoor physics extinction type saturated polyester resin: trimethylolpropane 1 part；Neopentyl glycol 25
Part；Ethylene glycol 7 parts；Diethylene glycol 3 parts；Dihydromethyl propionic acid 1 part；P-phthalic acid 55 parts；M-phthalic acid 5 parts；Catalyst
(Mono-n-butyltin) 0.1 part, antioxidant (hypophosphorous acid) 0.3 part；Trimellitic anhydride 7 parts；Polyprotic acid performed polymer 4 parts；Solidification
Accelerator (triphenylphosphine) 0.3 part.
Preparation technology: in reactor, in advance trimethylolpropane 1 part；Neopentyl glycol 25 parts；Ethylene glycol 7 parts；Diethyl two
Alcohol 3 parts；Dihydromethyl propionic acid 1 part；P-phthalic acid 55 parts；M-phthalic acid 5 parts；Catalyst (Mono-n-butyltin) 0.1 part,
Antioxidant (hypophosphorous acid) 0.3 part；It is warming up to 250 DEG C react 6 hours；Detection acid number is 17.5mgKOH/g；It is cooled to 220 DEG C；
It is evacuated to-0.1MPa, reacts 2 hours；Detection acid number is 9.2mgKOH/g；Add trimellitic anhydride 7 parts；Polyprotic acid performed polymer
4 parts；It is cooled to 195 DEG C react 1.5 hours；Detection acid number is 73.6mg KOH/g；Add curing accelerator (triphenylphosphine) 0.3
Part, react 1 hour；Discharging, prepares indoor physics extinction type saturated polyester resin.Saturated to obtained indoor physics extinction type
Polyester resin carries out performance test, and the main performance index drawn is as shown in table 1.
The main performance index of table 1 indoor physics extinction type saturated polyester resin
Embodiment 2
The factory formula of a kind of indoor physics extinction type saturated polyester resin: trimethylolpropane 1 part；Neopentyl glycol 30
Part；Ethylene glycol 6 parts；Diethylene glycol 4 parts；P-phthalic acid 60 parts；Adipic acid 3 parts；Catalyst (dibutyl tin acetate) 0.2
Part, antioxidant (triphenyl phosphate) 0.2 part；Trimellitic anhydride 6 parts；Polyprotic acid performed polymer 5 parts；Curing accelerator (anilino-
Formyl imidazoles and benzylimidazoline) 0.8 part.
Preparation technology: in reactor, in advance trimethylolpropane 1 part；Neopentyl glycol 30 parts；Ethylene glycol 6 parts；Diethyl two
Alcohol 4 parts；P-phthalic acid 60 parts；Adipic acid 3 parts；Catalyst (dibutyl tin acetate) 0.2 part, antioxidant (phosphoric acid triphen
Ester) 0.2 part；It is warming up to 245 DEG C react 8 hours；Detection acid number is 16.7mgKOH/g；It is cooled to 210 DEG C；Be evacuated to-
0.1MPa, reacts 4 hours；Detection acid number is 10.5mgKOH/g；Add trimellitic anhydride 6 parts；Polyprotic acid performed polymer 5 parts；Cooling
React 1 hour to 190 DEG C；Detection acid number is 75.5mg KOH/g；Add curing accelerator (anilino-formyl imidazoles and phenyl
Imidazoline) 0.8 part, react 1 hour；Discharging, prepares indoor physics extinction type saturated polyester resin.To obtained indoor physics
Extinction type saturated polyester resin carries out performance test, and main performance index is as shown in table 2.
The main performance index of table 2 indoor physics extinction type saturated polyester resin
Embodiment 3
The factory formula of a kind of indoor physics extinction type saturated polyester resin: neopentyl glycol 30 parts；Ethylene glycol 4 parts；Diethyl
Glycol 6 parts；P-phthalic acid 65 parts；Catalyst (dibutyl tin dilaurate) 0.3 part, antioxidant (triphenyl phosphite)
0.4 part；Trimellitic anhydride 8 parts；Polyprotic acid performed polymer 5 parts；Curing accelerator (triphenylphosphine, anilino-formyl imidazoles and benzene
Base imidazoline) 1 part.
Preparation technology: in reactor, is previously added neopentyl glycol 30 parts；Ethylene glycol 4 parts；Diethylene glycol 6 parts；To benzene two
65 parts of formic acid；Catalyst (dibutyl tin dilaurate) 0.3 part, antioxidant (triphenyl phosphite) 0.4 part；It is warming up to 240
DEG C reaction 10 hours；Detection acid number is 20.1mgKOH/g；It is cooled to 230 DEG C；It is evacuated to-0.1MPa, reacts 5 hours；Detection
Acid number is 7.8mgKOH/g；Add trimellitic anhydride 8 parts；Polyprotic acid performed polymer 5 parts；It is cooled to 185 DEG C react 2 hours；Detection
Acid number is 69.7mg KOH/g；Add curing accelerator (triphenylphosphine, anilino-formyl imidazoles and benzylimidazoline) 1 part,
React 1 hour；Discharging, prepares indoor physics extinction type saturated polyester resin.Saturated poly-to obtained indoor physics extinction type
Ester resin carries out performance test, and main performance index is as shown in table 3.
The main performance index of table 3 indoor physics extinction type saturated polyester resin
Embodiment 4
The present invention also provides for a kind of coating, comprises indoor physics extinction type as above saturated in the raw material of described coating
Polyester resin.Additionally coordinate also epoxy resin and the indoor physics delustring that indoor physics extinction type saturated polyester resin uses
Agent.
In preferred version, described coating specifically includes following components by weight:
Indoor physics extinction type saturated polyester resin 50 parts；
Epoxy resin 50 parts；
Indoor physics delustering agent 5 parts；
Titanium dioxide 50 parts；
15 parts of barium sulfate；
Benzoinum 0.8 part；
Levelling agent 1 part.
Specifically, the indoor physics extinction type saturated polyester resin of embodiment 1 ~ 3 gained is used for and epoxy resin and thing
Reason delustering agent with the use of, be prepared as powdery paints, shown in concrete formula table 4.Wherein, coating 1,2, saturated used in 3
Polyester resin corresponds to the indoor physics extinction type saturated polyester resin of embodiment 1,2,3 respectively.Coating each composition list in form
Position is parts by weight.
Table 4 indoor physics extinction type saturated polyester resin makes the formula of coating
| Coating 1 | Coating 2 | Coating 3 | |
| Saturated polyester resin | 50 | 50 | 50 |
| Epoxy resin | 50 | 50 | 50 |
| Physics delustering agent SA2065 | 5 | 5 | 5 |
| Titanium dioxide | 50 | 50 | 50 |
| Barium sulfate | 15 | 15 | 15 |
| Benzoinum | 0.8 | 0.8 | 0.8 |
| Levelling agent | 1 | 1 | 1 |
Carrying out performance test to by the coating of proportioning preparation in table 4, its result is as shown in table 5.
Table 5 coating property testing result
| Detection project | Index | Coating 1 | Coating 2 | Coating 3 |
| Pencil hardness | ≥1H | 1H | 1H | 1H |
| Adhesive force | ≤1 | 0 | 0 | 0 |
| Resistance to bend(ing) | ≤2 | 2 | 2 | 2 |
| Impact resistance/cm kg | 50 | 50 | 50 | 50 |
| 60 ° of glossiness/% | Nothing | 22 | 16 | 7 |
In testing result from table 5, use the painting that the indoor physics extinction type saturated polyester resin of the present invention is joined
Expecting that 60 ° of glossiness are low, and glossiness can adjust between 5%～30% after 180 DEG C of baking 15min, adhesive force is strong, has good
Resistance to impact and resistance to bend(ing), its combination property is preferable, has higher cost performance.And the present invention is that physics extinction type produces
Product, have environment-friendly advantage.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Protect scope.
Claims (8)
1. an indoor physics extinction type saturated polyester resin, it is characterised in that count composed of the following components by weight:
Polyhydric alcohol 30-45 part；
Polyprotic acid 55-70 part；
Dihydromethyl propionic acid 0-5 part；
Catalyst 0.1-0.3 part；
Antioxidant 0.1-0.5 part；
Trimellitic anhydride 5-10 part；
Polyprotic acid performed polymer 3-8 part；
Curing accelerator 0.1-1 part；
Wherein, one or more during described polyhydric alcohol is neopentyl glycol, trimethylolpropane, ethylene glycol, diethylene glycol；Described
Polyprotic acid is one or more in p-phthalic acid, M-phthalic acid, adipic acid；Described polyprotic acid performed polymer be ethylene glycol with
Pyromellitic dianhydride performed polymer.
Indoor physics extinction type saturated polyester resin the most according to claim 1, it is characterised in that described catalyst is single
One or more in butyl stannum oxide, dibutyl tin dilaurate, dibutyl tin acetate.
Indoor physics extinction type saturated polyester resin the most according to claim 1, it is characterised in that described antioxidant is
Hypophosphorous acid or triphenyl phosphate.
Indoor physics extinction type saturated polyester resin the most according to claim 1, it is characterised in that described curing accelerator
For one or more in triphenylphosphine, anilino-formyl imidazoles, benzylimidazoline.
5. a preparation method for the indoor physics extinction type saturated polyester resin as described in claim 1 ~ 4 is arbitrary, its feature
It is, comprises the following steps:
It is previously added polyhydric alcohol 30～45 parts, polyprotic acid 55～70 parts, dihydromethyl propionic acid 0～5 parts；Catalyst 0.1～0.3 part
And antioxidant 0.1～0.5 part, it is warming up to 240～250 DEG C, reacts 5～10 hours；Detection product acid number 15～
After 25mgKOH/g, it is cooled to 200～230 DEG C, is evacuated to vacuum-0.1MPa, react 2～6 hours；Detection product acid number
5～10mgKOH/g, addition trimellitic anhydride 5～10 parts；Polyprotic acid performed polymer 3～8 parts, react at 180～200 DEG C 1～
2 hours；Detection product acid number, 65～80mgKOH/g, adds curing accelerator 0.1～1 part, reacts 0.5～1 hour；Discharging,
Prepare indoor physics extinction type saturated polyester resin.
6. a coating, it is characterised in that comprise the indoor physics as described in claim 1 ~ 4 is arbitrary in the raw material of described coating
Extinction type saturated polyester resin.
Coating the most according to claim 6, it is characterised in that also include epoxy resin and indoor in the raw material of described coating
Physics delustering agent.
Coating the most according to claim 7, it is characterised in that described coating includes following components by weight:
Indoor physics extinction type saturated polyester resin 50 parts；
Epoxy resin 50 parts；
Indoor physics delustering agent 5 parts；
Titanium dioxide 50 parts；
15 parts of barium sulfate；
Benzoinum 0.8 part；
Levelling agent 1 part.
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| CN105860047A (en) * | 2016-06-14 | 2016-08-17 | 黄山市徽州康佳化工有限责任公司 | Polyester resin for matte powdery coating and preparation method and application thereof |
| CN110563936A (en) * | 2019-09-01 | 2019-12-13 | 合众（佛山）化工有限公司 | Self-flame-retardant antibacterial water-based polyester resin and preparation method thereof |
| CN111995894A (en) * | 2020-09-01 | 2020-11-27 | 梧州市泽和高分子材料有限公司 | Extinction paper-removing additive for thermal transfer powder coating |
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| CN101056938A (en) * | 2004-11-12 | 2007-10-17 | 伊斯曼化学公司 | Polyester blends with improved stress whitening for film and sheet applications |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101056938A (en) * | 2004-11-12 | 2007-10-17 | 伊斯曼化学公司 | Polyester blends with improved stress whitening for film and sheet applications |
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