CN103351652B - Molten inorganic zinc coating of thick coated type quick-drying alcohol and preparation method thereof - Google Patents
Molten inorganic zinc coating of thick coated type quick-drying alcohol and preparation method thereof Download PDFInfo
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- CN103351652B CN103351652B CN201310130635.9A CN201310130635A CN103351652B CN 103351652 B CN103351652 B CN 103351652B CN 201310130635 A CN201310130635 A CN 201310130635A CN 103351652 B CN103351652 B CN 103351652B
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Abstract
The molten inorganic zinc coating of thick coated type quick-drying alcohol of the present invention, comprise A and B component, the raw material packet of A component contains: dimethylbenzene, ethanol, bentonite, teos hydrolysis liquid, mica powder, kaolin, SNF flexibilizer, the raw material of B component is 500 object zinc powders, described A component and B component are in the time doing coating use, and A:B=1:1.5～2 are used in conjunction with in mass ratio; Preparation process of the present invention comprises: raw material is prepared, prepared burden and disperses and filter and package. Good effect of the present invention is: (1) changed traditional batching mode, because the viscosity of A component is low, when construction the allotment time of A, B component short, easy construction is quick; (2) adopting the block copolymer SNF of amphipathic structure that can produce micron-scale phase separation is flexibilizer, while making the build of the molten inorganic zinc coating of alcohol reach 250 μ m, does not ftracture; (3) the molten inorganic zinc coating of alcohol of preparation is rapidly dry, has good mechanical performance and salt spray resistance.
Description
Technical field
The present invention relates to technical field of coatings, specifically, be the molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol andPreparation method.
Background technology
The strong adhesion of alcohol SOLUBLE ZINC-RICH INORGANIC PAINT and iron and steel, has good antirust ability, and it is high temperature resistant reaches 400～600 DEG C, resistance to solar exposure, good weatherability, water-fast, salt water resistance, salt spray resistance, organic solvent-resistant, resistance to gasoline, kerosene, diesel oil, andRapidly dry, can weld, there is good electric conductivity, can play the effect of cathodic protection. Inorganic zinc coating is from nineteen forty-two headSince inferior application, because its excellent performance obtains a wide range of applications, be conventional shop primer. At present, alcohol dissolubility is inorganicIt is flat that zinc-rich paint has been successfully applied to oil refinery, underground utilities, oil tank, submarine facility, boats and ships, bridge, vehicle, drilling wellThe surface of steel construction in platform, equipment.
But, if the molten inorganic zinc coating of current alcohol in the ordinary course of things film forming reach 125When above, just there will be tortoiseSplit phenomenon, this can have a strong impact on the decay resistance of coating. And on web and the edge of a wing of inside fillet and the H shaped steel of steel constructionThe commissure of plate, the film forming thickness of the molten inorganic zinc coating of alcohol is easy to exceed 150, therefore, these ground conveniently have paintingThe phenomenon of the serious cracking of material.
At present, the molten inorganic zinc coating of most alcohol is two-component coating, that is, and and with traditional flexibilizer polyvinyl alcohol contracting fourthThe zinc slurry that aldehyde PVB, zinc powder and other fillers, solvent, auxiliary agent etc. mix is A component, taking silicate hydrolyzate liquid as BComponent; When construction, A component is mixed to rear just use with B component with certain proportion. The mode of this kind of batching generally can make AComponent is thickness comparatively, and it is not easy to be uniformly dispersed after mixing with B component, is unfavorable for forming thicker coating. In addition, taking PVB asThe rate of drying of the molten inorganic zinc coating of alcohol prepared by flexibilizer is generally slow, at least will could be completely dry more than 48 hoursDry.
Summary of the invention
The object of the invention is to address the above problem, provide a kind of thick coated type quick-drying alcohol molten inorganic zinc coating, it withTeos hydrolysis liquid is main film forming substance, and taking SNF as flexibilizer, adding inorganic filler, solvent is A component, simultaneously withZinc powder is B component, and the inorganic zinc coating obtaining has good good mechanical performance and salt spray resistance, and rapidly dry,Build is 250In time, does not ftracture; The second object of the present invention is that the described molten inorganic zinc-rich of thick coated type quick-drying alcohol is providedThe preparation method of coating.
For achieving the above object, the present invention has taked following technical scheme.
The molten inorganic zinc coating of thick coated type quick-drying alcohol, is characterized in that, comprises A component and B component, described A component and B componentThe mass percent of raw material is:
A component:
Dimethylbenzene 1.0%～4.0%;
Ethanol 1.0%～4.0%;
Bentonite 0.8%～2.0%;
Teos hydrolysis liquid 15.0%～25.0%;
Mica powder 2.0%～5.0%;
Kaolin 2.0%～4.0%;
SNF flexibilizer 1.0%～3.0%;
B component:
Zinc powder 61.5%～67.2%;
Described A component and described B component are used in conjunction with A:B=1:1.5～2 in mass ratio.
Optionally, described bentonite is HF140, can be used for high polar solvent system.
Optionally, described teos hydrolysis liquid is that content is 28% silica (SiO2）。
Optionally, described SNF flexibilizer is the block copolymer that can produce the amphipathic structure of micron-scale phase separation.
Optionally, described zinc powder is 500 object zinc powders.
For achieving the above object, the present invention has taked following technical scheme.
A kind of preparation method of the molten inorganic zinc coating of thick coated type quick-drying alcohol, is characterized in that, comprises following steps:
(1) raw material is prepared
1. the molten inorganic zinc coating of described thick coated type quick-drying alcohol comprises A component and B component, and described A component and B component are formerThe mass percent of material is:
A component
Dimethylbenzene 1.0%～4.0%;
Ethanol 1.0%～4.0%;
Bentonite 0.8%～2.0%;
Teos hydrolysis liquid 15.0%～25.0%;
Mica powder 2.0%～5.0%;
Kaolin 2.0%～4.0%;
SNF flexibilizer 1.0%～3.0%;
Described SNF flexibilizer is the block copolymer that can produce the amphipathic structure of micron-scale phase separation;
B component
Zinc powder 61.5%～67.2%;
2. press the mass percent of raw material and prepare raw material;
(2) batching and dispersion
1. by step (1) 1. the mass percent of A component raw material successively dimethylbenzene and ethanol are dropped in scuffing of cylinder bore, startDispersion machine, disperses by the rotating speed of 300～400 revs/min; Again bentonite is dropped into wherein, with 800～1000 revs/minRotating speed stir 10～15 minutes;
Then, teos hydrolysis liquid is dropped in scuffing of cylinder bore, start dispersion machine, by the rotating speed of 800～1000 revs/minStir 10～20 minutes; Again mica powder and kaolin are dropped in scuffing of cylinder bore, by the rotating speeds stirrings 10 of 1000～1200 revs/min～20 minutes;
Finally, SNF flexibilizer is dropped in scuffing of cylinder bore, stir 5～10 minutes by the rotating speeds of 800～1000 revs/min, obtainFinely dispersed A component compound;
2. by step (1) 1. B component raw material mass percent prepare zinc powder is put into metal bucket;
3. described A component and described B component separated to batching and disperse;
(3) filter and package
1. the A component compound after disperseing is put into finished product still, open mixer and stir, export at mixerPlace arranges screen pack, and the packing of product is carried out in the filtration limit, A component compound limit of coming from finished product still;
2. by A component and separately packaging of B component.
Good effect of the present invention is:
(1) the molten inorganic zinc coating of thick coated type quick-drying alcohol of the present invention has changed traditional batching mode, with positive silicic acid secondEster hydrolyzate, solvent, auxiliary agent, filler are the main component of A component, taking zinc powder as B component; Because the viscosity of A component is low, constructionTime, B component is slowly put into and within about 5 minutes, can be carried out spraying application rear dispersion in A component, simple and efficient, avoid biographyOxidation or failure phenomenon that system feeding mode causes due to long-time dispersion or the grinding of zinc powder.
(2) adopting the block copolymer SNF of the amphipathic structure that can produce micron-scale phase separation is flexibilizer, makes alcohol molten inorganicThe build of zinc-rich paint reaches 250In time, does not ftracture.
(3) the molten inorganic zinc coating of alcohol of preparing is rapidly dry, and under 80～90% humidity, maintenance can reach for 12 hoursWhite drying; There is good mechanical performance and salt spray resistance.
(4) the molten inorganic zinc coating of thick coated type quick-drying alcohol of the present invention can, according to customer requirement, be adjusted the formula of A component,Thereby obtain the do not ftracture coating of thickness of different dry films.
(5) use preparation method of the present invention, both can improve the production efficiency of the molten inorganic zinc coating of alcohol, can save again productionCost, has significant economic benefit.
Detailed description of the invention
Below provide the detailed description of the invention of the molten inorganic zinc coating of thick coated type quick-drying alcohol of the present invention, provide 3 embodiment.But, it should be pointed out that enforcement of the present invention is not limited to following embodiment.
Embodiment 1
The molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol, its preparation method comprises the following steps:
(1) raw material is prepared
1. the molten inorganic zinc coating of described thick coated type quick-drying alcohol comprises A component and B component, described A component and B component raw materialMass percent be:
A component:
Dimethylbenzene, 1.0%, described raw material adopts market raw material on sale;
Ethanol, 4.0%, described raw material adopts market raw material on sale;
Bentonite, 0.8%, the product of employing Zhejiang Feng Hong company, model is HF140;
Teos hydrolysis liquid, 15.0%, the product of employing new Asia, Zhangjiagang Co., Ltd, SiO2Content is 28%;
Mica powder, 5.0%, adopt Anhui Ge Rui company product, order number is 800 orders;
Kaolin, 4.0%, the product of employing Shijiazhuang Zhong Shihengda mineral products Co., Ltd, order number is 1250 orders;
SNF flexibilizer, 3.0%, described raw material adopts DOW Chemical product, and model is Fortegra300;
B component:
Zinc powder, 67.2%, the product of employing Changsha Xin Weiling company, order number is 500 orders.
Described A component and B component are in the time doing coating use, and A:B=1:1.5 is used in conjunction with in mass ratio.
2. press the mass percent of raw material and prepare raw material.
(2) batching and dispersion
1. by step (1) 1. the mass percent of A component raw material successively dimethylbenzene and ethanol are dropped in scuffing of cylinder bore, startDispersion machine, disperses by the rotating speed of 300～400 revs/min; Again bentonite is dropped into wherein, with 800～1000 revs/minRotating speed stir 10～15 minutes;
Then, teos hydrolysis liquid is dropped in scuffing of cylinder bore, start dispersion machine, by the rotating speed of 800～1000 revs/minStir 10～20 minutes; Again mica powder and kaolin are dropped in scuffing of cylinder bore, by the rotating speeds stirrings 10 of 1000～1200 revs/min～20 minutes;
Finally, SNF flexibilizer is dropped in scuffing of cylinder bore, stir 5～10 minutes by the rotating speeds of 800～1000 revs/min, obtainFinely dispersed A component compound.
2. by step (1) 1. B component raw material mass percent prepare zinc powder is put into metal bucket.
3. described A component and described B component separated to batching and disperse.
(3) filter and package
1. the A component compound after disperseing is put into finished product still, open mixer and stir, export at mixerPlace arranges screen pack, and the packing of product is carried out in the filtration limit, A component compound limit of coming from finished product still.
2. by A component and separately packaging of B component.
The molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol prepared by embodiment 1 and the performance indications of coating thereof: (in table 1)
The performance indications of table 1. molten inorganic zinc coating of thick coated type quick-drying alcohol and coating thereof
。
Embodiment 2
The molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol, its preparation method comprises the following steps:
(1) raw material is prepared
(basic step, with embodiment 1, with embodiment 1 difference is)
The mass percent of described A component and B component raw material is:
A component (raw material of employing is identical with embodiment 1):
Dimethylbenzene 4.0%;
Ethanol 1.0%;
Bentonite 2.0%;
Teos hydrolysis liquid 25.0%;
Mica powder 2.0%;
Kaolin 2.0%;
SNF flexibilizer 1.0%;
B component:
Zinc powder 63.0%;
Described A component and B component are in the time doing coating use, and A:B=1:1.7 is used in conjunction with in mass ratio.
(2) batching and dispersion (with embodiment 1).
(3) filter and package (with embodiment 1).
The molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol prepared by embodiment 2 and the performance indications of coating thereof are referring to table 1.
Embodiment 3
The molten inorganic zinc coating of a kind of thick coated type quick-drying alcohol, its preparation method comprises the following steps:
(1) raw material is prepared
(basic step, with embodiment 1, with embodiment 1 difference is)
The mass percent of described A component and B component raw material is:
A component (raw material of employing is identical with embodiment 1):
Dimethylbenzene 3.0%;
Ethanol 3.0%;
Bentonite 1.5%;
Teos hydrolysis liquid 22.0%;
Mica powder 4.0%;
Kaolin 3.0%;
SNF flexibilizer 2.0%;
B component:
Zinc powder 61.5%;
Described A component and B component are in the time doing coating use, and A:B=1:2 is used in conjunction with in mass ratio.
(2) batching and dispersion (with embodiment 1).
(3) filter and package (with embodiment 1).
The above is only the preferred embodiment of the present invention, it should be pointed out that the ordinary skill people for the artMember, under the prerequisite of mass percent scope that does not depart from component of the present invention, can also make some improvements and modifications, and these changeEnter and retouch and also should be considered as protection scope of the present invention.
Claims (4)
1. the molten inorganic zinc coating of thick coated type quick-drying alcohol, is characterized in that, comprises A component and B component, described A component and B componentThe mass percent of raw material is:
A component:
Dimethylbenzene 1.0%～4.0%;
Ethanol 1.0%～4.0%;
Bentonite 0.8%～2.0%;
Teos hydrolysis liquid 15.0%～25.0%;
Mica powder 2.0%～5.0%;
Kaolin 2.0%～4.0%;
SNF flexibilizer 1.0%～3.0%;
Described SNF flexibilizer is the block copolymer that can produce the amphipathic structure of micron-scale phase separation;
B component:
Zinc powder 61.5%～67.2%;
Described A component and described B component are used in conjunction with A:B=1:1.5～2 in mass ratio.
2. the molten inorganic zinc coating of thick coated type quick-drying alcohol according to claim 1, is characterized in that, described bentonite isHF140, can be used for high polar solvent system.
3. the molten inorganic zinc coating of thick coated type quick-drying alcohol according to claim 1, is characterized in that, described positive silicic acid secondEster hydrolyzate is that content is 28% silica.
4. the preparation method of the molten inorganic zinc coating of thick coated type quick-drying alcohol as claimed in claim 1, is characterized in that, comprise withLower step:
(1) raw material is prepared
1. the molten inorganic zinc coating of described thick coated type quick-drying alcohol comprises A component and B component, described A component and B component raw materialMass percent is:
A component
Dimethylbenzene 1.0%～4.0%;
Ethanol 1.0%～4.0%;
Bentonite 0.8%～2.0%;
Teos hydrolysis liquid 15.0%～25.0%;
Mica powder 2.0%～5.0%;
Kaolin 2.0%～4.0%;
SNF flexibilizer 1.0%～3.0%;
Described SNF flexibilizer is the block copolymer that can produce the amphipathic structure of micron-scale phase separation;
B component
Zinc powder 61.5%～67.2%;
2. press the mass percent of raw material and prepare raw material;
(2) batching and dispersion
1. by step (1) 1. the mass percent of A component raw material successively dimethylbenzene and ethanol are dropped in scuffing of cylinder bore, start and disperseMachine, disperses by the rotating speed of 300～400 revs/min; Again bentonite is dropped into wherein, with 800～1000 revs/min turnSpeed stirs 10～15 minutes;
Then, teos hydrolysis liquid is dropped in scuffing of cylinder bore, start dispersion machine, stir by the rotating speeds of 800～1000 revs/min10～20 minutes; Again mica powder and kaolin are dropped in scuffing of cylinder bore, stir 10～20 points by the rotating speeds of 1000～1200 revs/minClock;
Finally, SNF flexibilizer is dropped in scuffing of cylinder bore, stir 5～10 minutes by the rotating speeds of 800～1000 revs/min, obtain and disperseA component compound uniformly;
2. by step (1) 1. B component raw material mass percent prepare zinc powder is put into metal bucket;
3. described A component and described B component separated to batching and disperse;
(3) filter and package
1. the A component compound after disperseing is put into finished product still, open mixer and stir, establish in mixer exitPut screen pack, the packing of product is carried out in the filtration limit, A component compound limit of coming from finished product still;
2. by A component and separately packaging of B component.
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| DE1900684A1 (en) * | 1968-04-29 | 1970-08-06 | Amercoat Corp | High zinc content agent for the manufacture of protective coatings and process for the manufacture of the agent |
| CN1172120A (en) * | 1997-05-30 | 1998-02-04 | 北京燕山石油化工公司研究院 | High-transparent impact-resistant polystyrene resin and its preparing method |
| CN1552771A (en) * | 2003-06-06 | 2004-12-08 | 上海门普来新材料实业有限公司 | Mixed silicon sol water inorganic zinc enriching paint |
| CN101772546A (en) * | 2007-08-02 | 2010-07-07 | 陶氏环球技术公司 | Be used for strengthening the amphipathic nature block polymer and the inorganic nano-filler of performance of thermosetting polymers |
| CN102099402A (en) * | 2008-07-17 | 2011-06-15 | 陶氏环球技术公司 | Structural composites with improved toughness |
| CN102337048A (en) * | 2010-07-28 | 2012-02-01 | 中国科学院金属研究所 | Nano modified inorganic zinc-rich paint and preparation method thereof |
-
2013
- 2013-04-16 CN CN201310130635.9A patent/CN103351652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1900684A1 (en) * | 1968-04-29 | 1970-08-06 | Amercoat Corp | High zinc content agent for the manufacture of protective coatings and process for the manufacture of the agent |
| CN1172120A (en) * | 1997-05-30 | 1998-02-04 | 北京燕山石油化工公司研究院 | High-transparent impact-resistant polystyrene resin and its preparing method |
| CN1552771A (en) * | 2003-06-06 | 2004-12-08 | 上海门普来新材料实业有限公司 | Mixed silicon sol water inorganic zinc enriching paint |
| CN101772546A (en) * | 2007-08-02 | 2010-07-07 | 陶氏环球技术公司 | Be used for strengthening the amphipathic nature block polymer and the inorganic nano-filler of performance of thermosetting polymers |
| CN102099402A (en) * | 2008-07-17 | 2011-06-15 | 陶氏环球技术公司 | Structural composites with improved toughness |
| CN102337048A (en) * | 2010-07-28 | 2012-02-01 | 中国科学院金属研究所 | Nano modified inorganic zinc-rich paint and preparation method thereof |
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Effective date of registration: 20170818 Address after: 200949 Baoshan District, Baoshan Industrial Park Road, No. 1825 Luo Dong Road, Shanghai Co-patentee after: Technical service Hilong products (Shanghai) Co., Ltd. Patentee after: Shanghai Hilong Oil Chemical Research Institute Address before: 200949 No. 1825 East Luo Road, Shanghai, Baoshan District Co-patentee before: Shanghai Hilong Shine New Material Co., Ltd. Patentee before: Shanghai Hilong Oil Chemical Research Institute |
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