CN103045054B - A kind of high rigidity unsaturated polyester white primer and preparation method thereof - Google Patents
A kind of high rigidity unsaturated polyester white primer and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to chemical technology field, specifically disclose a kind of high rigidity unsaturated polyester white primer and preparation method thereof.Its compositing formula comprises first component, different Rinmann's green (Lan Shui), methylethyl ketone peroxide (plain boiled water), thinner composition, and the weight ratio of described first component, different Rinmann's green (Lan Shui), methylethyl ketone peroxide (plain boiled water) is 100:(0.8 ~ 2): (1 ~ 2.5): (30 ~ 40).It solve the problem of PU polyurethane coating difference of hardness, use unsaturated polyester coating can reduce coating VOC content simultaneously, and possessed good fullness ratio and filling effect.<!--1-->
Description
Technical field
The present invention relates to chemical technology field, more particularly, the present invention relates to a kind of high rigidity unsaturated polyester white primer and preparation method thereof.
Background technology
Woodwork coating refers to the coating on the equipment made for medium density fiberboard, solid wood board, subsides wood skin etc., comprise furniture, floor, stationery sports goods, musical instrument and building and ornament materials paint, roughly be divided into two classes, a class is for Furniture manufacture factory, and a class is used for interior decoration decoration; The competition of current Furniture manufacture factory is more and more fierce, the most Furniture manufacture factories urgent problem reduced costs, and to paint trimming cost be that Furniture Factory reduces furniture item cost wherein one of method, current most of Furniture manufacture factory uses PU polyurethane coating, Nitrocellulose coating etc. to need repeatedly to spray and just can meet the requirements of performance, makes Furniture manufacture cost and artificial comprehensive high expensive.PU polyurethane coating, the current Problems existing of Nitrocellulose coating are difference of hardness, and volatile matter VOC content is high, and fullness ratio is poor, repeatedly sprays and just can require certain film thickness.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of high rigidity unsaturated polyester white primer, it solve the problem of PU polyurethane coating difference of hardness, use unsaturated polyester coating can reduce coating VOC content simultaneously, and possessed good fullness ratio and filling effect.
For solving the problems of the technologies described above, technical scheme provided by the invention is: a kind of high rigidity unsaturated polyester white primer, comprise first component, different Rinmann's green (Lan Shui), methylethyl ketone peroxide (plain boiled water), thinner composition, the weight ratio of described first component, different Rinmann's green (Lan Shui), methylethyl ketone peroxide (plain boiled water) is 100:(0.8 ~ 2): (1 ~ 2.5): (30 ~ 40).The weight percent of described first component consists of: Pneumoperitoneum pressure resin 38% ~ 45%, defoamer 0.1% ~ 0.3%, dispersion agent 0.1% ~ 0.3%, stopper 0.1% ~ 0.2%, anti-settling agent 0.1% ~ 0.5%, titanium dioxide 6% ~ 10%, Zinic stearas 3% ~ 5%, Paris white 40% ~ 50%, solvent 2% ~ 4.5%, flow agent 0.1% ~ 0.3%, and in first component, above each raw material sum is 100%.
Further: in above-mentioned high rigidity unsaturated polyester white primer, in described first component, Pneumoperitoneum pressure resin viscosity is Pneumoperitoneum pressure resin viscosity is 1600 ~ 2000CPS, and solid content is 75% ~ 83%, light yellow transparent liquid.In described first component, solvent is vinylbenzene, the preferred Changxing 2307-S of described Pneumoperitoneum pressure resin, 2310; Defoamer is the acrylate defoamer that those skilled in the art commonly use, preferred EFKA2720, BYK057; Described flow agent is acrylate flow agent, preferred EFKA3777, BYK358N; Described dispersion agent is macromolecule dispersing agent, preferred EFKA4010, BYK110; Described stopper is Resorcinol, Huaneng Group, preferred Foshan chemical industry Resorcinol reagent; Described anti-settling agent is aerosil, preferred M-5, R-972.Described titanium dioxide is rutile titanium white powder, preferred Du Pont R-900, R-706.Described Zinic stearas, preferred Singapore PLB, Guangdong Zhong Shan hundred profit closes 1819.Described calcium carbonate is to superfine heavy calcium carbonate, Jiangling 1250, preferred Guangdong order coarse whiting.In the present invention the code name of each material be producer or commercially available time product code.
Present invention also offers the preparation method of above-mentioned high rigidity unsaturated polyester white primer, comprise the preparation of first component and first component, different Rinmann's green, methylethyl ketone peroxide, thinner are mixed by dosage, it is characterized in that: the preparation process of first component is followed successively by
A, unsaturated polyester resin, defoamer, stopper are put into painting cylinder, be uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
B, anti-settling agent, titanium dioxide to be joined in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min;
C, Zinic stearas, calcium carbonate to be joined in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min;
D, solvent, flow agent to be joined in painting cylinder, and within 10 ~ 12 minutes, namely obtain component A with 1000 ~ 1200 revs/min of stirrings.
Compared with prior art, the present invention and polyurethane coating, Nitrocellulose coating different technologies part are in the present invention:
One, have selected a kind of unsaturated polyester resin as main film forming substance, it shows PU polyurethane coating, the unreachable hardness of Nitrocellulose coating simultaneously.
Two, the unsaturated polyester owing to selecting does filmogen, this resin viscosity low (2500 ~ 3500MAPS/25 DEG C) solids content high (78 ~ 85%) so possessed the fullness ratio that polyurethane coating can not possess,
Three, the solvent owing to using in this formulation for coating material is styrene monomer, participates in reacting with unsaturated polyester and filmogen, make coating possess 100% solids content and VOC content close to 0.
Embodiment
Purport of the present invention utilizes unique unsaturated polyester resin as main film forming substance, and solvent is styrene monomer, participates in reacting with unsaturated polyester and filmogen, make coating possess 100% solids content and VOC content close to 0.Below in conjunction with embodiment, content of the present invention is further described:
Embodiment 1
A kind of high rigidity unsaturated polyester white primer, it is made up of first component, different Rinmann's green, methylethyl ketone peroxide and thinner, and the weight ratio of described first component, different Rinmann's green, methylethyl ketone peroxide is 100:1.5:1.7:30; Promotor is different Rinmann's green (Lan Shui), is selected from the long weathering work EC-6F in Shanghai.Initiator is methylethyl ketone peroxide (plain boiled water), is selected from the long weathering work 808A in Shanghai.
The weight percent of described first component consists of: select Changxing 2307-S unsaturated polyester resin 38%, EFKA2720 defoamer 0.2%, EFKA4010 dispersion agent 0.2%, Resorcinol 0.1%, M-5 anti-settling agent 0.2%, R-900 titanium dioxide 6%, PLB Zinic stearas 3%, 1250 order Paris white 50%, vinylbenzene 2.1%, EFKA3777 flow agent 0.2%.
The weight percent of described thinner consists of vinylbenzene 20%, ethyl ester 40%, toluene 40%.
Prepare the method for the present embodiment high rigidity unsaturated polyester white primer, comprise the preparation of first component and first component, different Rinmann's green, methylethyl ketone peroxide, thinner mixed by dosage, the preparation process of first component is followed successively by,
Steps A: unsaturated polyester resin, defoamer, stopper are put into painting cylinder, is uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
Step B: join in anti-settling agent, titanium dioxide low speed in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step C: join in Zinic stearas, calcium carbonate low speed in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step D: join in solvent, flow agent low speed in painting cylinder, and stir 10 ~ 12 minutes with 1000 ~ 1200 revs/min.
The high rigidity unsaturated polyester white primer of the present embodiment gained carries out detection according to GB GB-18581-2009 and GB/T23997-2009 and analyzes, and its performance is as shown in table 1,2.
Embodiment 2
A kind of high rigidity unsaturated polyester white primer, it is made up of first component, different Rinmann's green, methylethyl ketone peroxide and thinner, and the weight ratio of described first component, different Rinmann's green, methylethyl ketone peroxide is 100:1.5:1.7:30; Promotor is different Rinmann's green (Lan Shui), is selected from the long weathering work EC-6F in Shanghai.Initiator is methylethyl ketone peroxide (plain boiled water), is selected from the long weathering work 808A in Shanghai.
The weight percent of described first component consists of: select Changxing 2310 unsaturated polyester resin 40%, EFKA2720 defoamer 0.2%, BYK110 dispersion agent 0.2%, Resorcinol 0.1%, M-5 anti-settling agent 0.2%, R-900 titanium dioxide 6%, PLB Zinic stearas 4%, 1250 order Paris white 45%, vinylbenzene 2.1%, BYK358N flow agent 0.2%.
The weight percent of described thinner consists of vinylbenzene 30%, ethyl ester 40%, toluene 30%.
Prepare the method for the present embodiment high rigidity unsaturated polyester white primer, comprise the preparation of first component and first component, different Rinmann's green, methylethyl ketone peroxide, thinner mixed by dosage, the preparation process of first component is followed successively by,
Steps A: unsaturated polyester resin, defoamer, stopper are put into painting cylinder, is uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
Step B: join in anti-settling agent, titanium dioxide low speed in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step C: join in Zinic stearas, calcium carbonate low speed in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step D: join in solvent, flow agent low speed in painting cylinder, and stir 10 ~ 12 minutes with 1000 ~ 1200 revs/min.
The high rigidity unsaturated polyester white primer of the present embodiment gained carries out detection according to GB GB-18581-2009 and GB/T23997-2009 and analyzes, and its performance is as shown in table 1,2.
Embodiment 3
A kind of high rigidity unsaturated polyester white primer, it is made up of first component, different Rinmann's green, methylethyl ketone peroxide and thinner, and the weight ratio of described first component, different Rinmann's green, methylethyl ketone peroxide is 100:1.5:1.7:30; Promotor is different Rinmann's green (Lan Shui), is selected from the long weathering work EC-6F in Shanghai.Initiator is methylethyl ketone peroxide (plain boiled water), is selected from the long weathering work 808A in Shanghai.
The weight percent of described first component consists of: select Changxing 2307-S unsaturated polyester resin 42%, BYK057 defoamer 0.2%, BYK110 dispersion agent 0.2%, Resorcinol 0.1%, R-972 anti-settling agent 0.2%, R-706 titanium dioxide 10%, 1819 Zinic stearas 5%, 1250 order Paris white 40%, vinylbenzene 2.1%, BYK358N flow agent 0.2%.
The weight percent of described thinner consists of vinylbenzene 25%, ethyl ester 40%, toluene 35%.
Prepare the method for the present embodiment high rigidity unsaturated polyester white primer, comprise the preparation of first component and first component, different Rinmann's green, methylethyl ketone peroxide, thinner mixed by dosage, the preparation process of first component is followed successively by,
Steps A: unsaturated polyester resin, defoamer, stopper are put into painting cylinder, is uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
Step B: join in anti-settling agent, titanium dioxide low speed in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step C: join in Zinic stearas, calcium carbonate low speed in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step D: join in solvent, flow agent low speed in painting cylinder, and stir 10 ~ 12 minutes with 1000 ~ 1200 revs/min.
The high rigidity unsaturated polyester white primer of the present embodiment gained carries out detection according to GB GB-18581-2009 and GB/T23997-2009 and analyzes, and its performance is as shown in table 1,2.
Reference examples 1
PU white primer is filled a prescription:
A kind of PU white primer, it is made up of first component, solidifying agent, thinner, and the weight ratio of described first component, solidifying agent, thinner is 100:50:50.Wherein the weight percent of component A consists of:
Described solidifying agent be L-75 butyl ester open rare Cheng Gu containing for 40% mixture.
Described thinner comprises the following starting material counted by weight percentage:
Dimethylbenzene: 60%
PMA：20%
Ethyl ester: 20%
In thinner, above each raw material sum is 100%.
Described preparation method, comprises following preparation process:
Steps A: special for PU priming paint Synolac, defoamer are put into painting cylinder, is uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
Step B: join in anti-settling agent, titanium dioxide low speed in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step C: join in Zinic stearas, calcium carbonate low speed in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step D: join in toluene low speed in painting cylinder, and stir 10 ~ 12 minutes with 1000 ~ 1200 revs/min.
Step e: weigh obtaining mixed solution above on request, pack.
Reference examples 2
NC white primer is filled a prescription:
A kind of NC white primer, it is made up of first component, thinner, and described first component, the weight ratio of thinner are 100:150.Wherein the weight percent of first component consists of
Described thinner comprises the following starting material counted by weight percentage:
Dimethylbenzene: 60%
Pimelinketone: 8%
Propyl carbinol: 12%
Ethyl ester: 20%
In thinner, above each raw material sum is 100%.
Described preparation method, comprises following preparation process:
Steps A: special for priming paint Synolac, defoamer are put into painting cylinder, is uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor.
Step B: join in anti-settling agent, titanium dioxide low speed in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step C: join in Zinic stearas, calcium carbonate low speed in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min.
Step D: join in nitro-cotton, ethyl ester low speed in painting cylinder, and stir 10 ~ 12 minutes with 1000 ~ 1200 revs/min.
Step e: weigh obtaining mixed solution above on request, pack.
Table 1
Table 2
1, as can be seen from two tables above, owing to using a large amount of benzene class, ester class equal solvent in PU polyurethane coating and Nitrocellulose coating, when constructing, a large amount of solvent evaporates, in air, easily makes atmospheric pollution, and PU polyurethane coating contains free TDI, the health of people is harmful to, and the solvent used in unsaturated polyester coating is styrene monomer, in reaction process, participates in reaction, make paint film admittedly containing close to 100%, little to atmospheric pollution.
2, in the hardness standard of national regulation requires, nitro paint hardness is for being more than or equal to B, and PU polyurethane coating hardness is for being more than or equal to HB, and PE unsaturated polyester coating hardness can reach 2H, considerably beyond the hardness of nitro paint, PU polyurethane coating.
3, the disposable thick painting of PE unsaturated polyester varnish can reach desirable film thickness, and polyurethane coating and Nitrocellulose coating need repeatedly to spray and just can reach certain film thickness.
4, the above embodiments, just preferred embodiment of the present invention, be not used for limiting the scope of the present invention, therefore all equivalences done with the feature described in the claims in the present invention and principle change or modify, and all should be included within the claims in the present invention scope.
Claims (3)
1. a high rigidity unsaturated polyester white primer, it is characterized in that: it is made up of first component, cobalt iso-octoate, methylethyl ketone peroxide and thinner, the weight ratio of described first component, cobalt iso-octoate, methylethyl ketone peroxide, thinner is 100:(0.8 ~ 2): (1 ~ 2.5): (30 ~ 40);
The weight percent of described first component consists of: Pneumoperitoneum pressure resin 38% ~ 45%, defoamer 0.1% ~ 0.3%, dispersion agent 0.1% ~ 0.3%, stopper 0.1% ~ 0.2%, anti-settling agent 0.1% ~ 0.5%, titanium dioxide 6% ~ 10%, Zinic stearas 3% ~ 5%, Paris white 40% ~ 50%, solvent 2% ~ 4.5%, flow agent 0.1% ~ 0.3%, and in first component, above each raw material sum is 100%;
In described first component, Pneumoperitoneum pressure resin viscosity is 1600 ~ 2000CPS, and solid content is 75% ~ 83%;
In described first component, solvent is vinylbenzene, and defoamer is acrylate defoamer; Flow agent is acrylate flow agent; Anti-settling agent is aerosil, and stopper is Resorcinol.
2. high rigidity unsaturated polyester white primer according to claim 1, is characterized in that: the weight percent of described thinner to becoming, vinylbenzene 20% ~ 40%, ethyl ester 20% ~ 40%, toluene 20% ~ 40%.
3. prepare the method for the high rigidity unsaturated polyester white primer described in claim 1 or 2 for one kind, comprise the preparation of first component and first component, cobalt iso-octoate, methylethyl ketone peroxide, thinner are mixed by dosage, it is characterized in that: the preparation process of first component is followed successively by
A, Pneumoperitoneum pressure resin, defoamer, stopper are put into painting cylinder, be uniformly mixed 5 ~ 8 minutes with the speed that rotating speed is 700 ~ 800 revs/min, obtained resin mixture liquor;
B, anti-settling agent, titanium dioxide to be joined in resin mixture liquor painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min;
C, Zinic stearas, calcium carbonate to be joined in painting cylinder, and stir 10 ~ 12 minutes with 2500 ~ 3500 revs/min;
D, solvent, flow agent to be joined in painting cylinder, and within 10 ~ 12 minutes, namely obtain component A with 1000 ~ 1200 revs/min of stirrings.
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| CN104610853A (en) * | 2013-11-05 | 2015-05-13 | 上海富臣化工有限公司 | Unsaturated polyester varnish primer with high fullness and high pore access property |
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| CN104327686A (en) * | 2014-11-19 | 2015-02-04 | 上海展辰涂料有限公司 | Anti-cracking unsaturated-polyester white primer |
| CN104293127A (en) * | 2014-11-19 | 2015-01-21 | 上海展辰涂料有限公司 | Special unsaturated polyester clear primer for musical instrument |
| CN104559700A (en) * | 2014-12-26 | 2015-04-29 | 澳达树熊涂料(惠州)有限公司 | Unsaturated polyester gloss black lacquer and method for preparing same |
| CN105462483B (en) * | 2016-01-15 | 2017-06-27 | 成都优品化工有限公司 | A kind of dual cure unsaturated polyester (UP) transparent priming |
| CN105623493B (en) * | 2016-04-05 | 2018-04-10 | 成都优品化工有限公司 | A kind of dual cure unsaturated polyester (UP) white primer |
| CN107141982B (en) * | 2017-06-30 | 2019-10-18 | 嘉宝莉化工集团股份有限公司 | A kind of solvent-free, ordor removing unsaturated polyester woodwork coating and preparation method thereof |
| CN108610915A (en) * | 2018-05-15 | 2018-10-02 | 嘉宝莉化工集团股份有限公司 | A kind of PE varnish of cold cycling non-whitening |
| CN109337534A (en) * | 2018-09-28 | 2019-02-15 | 合众（佛山）化工有限公司 | A kind of high rigidity unsaturated polyester resin conductive coating |
| CN111808509B (en) * | 2020-07-22 | 2021-12-10 | 成都巴德士涂料有限公司 | Thick coating type PE clear primer |
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