CN103394634A - Environment-friendly water-based particle casting coating and preparation method thereof - Google Patents
Environment-friendly water-based particle casting coating and preparation method thereof Download PDFInfo
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- CN103394634A CN103394634A CN201310349769XA CN201310349769A CN103394634A CN 103394634 A CN103394634 A CN 103394634A CN 201310349769X A CN201310349769X A CN 201310349769XA CN 201310349769 A CN201310349769 A CN 201310349769A CN 103394634 A CN103394634 A CN 103394634A
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Abstract
The invention discloses an environment-friendly water-based particle casting coating which comprises water-soluble solid coating particles, wherein the coating particles are formed by a water-based powdery coating, modified starch and powdery sodium silicate by uniformly stirring and adding a proper amount of water and mixing and granulating; and the coating particles are in a spherical, elliptical, drum, cylindrical or olive shape. A preparation method of the coating sequentially comprises the steps of raw material preparation, stirring and mixing, granulation, drying and finished product packaging. According to the coating and preparation method disclosed by the invention, the water-based powdery coating is processed into the water-based particle coating, so that the phenomena of flying pollution and sifting waste of the traditional coating are avoided; the coating has the characteristics of simple manufacturing process, convenience in transportation and application, environmental protection and safety; and the production cost can be effectively saved.
Description
Technical field
The present invention relates to the foundry industry field, particularly a kind of water base cast paint, specifically a kind of environmentally-friendly water-based particle cast paint and preparation method thereof.
Background technology
Foundry industry is as one of pillar industry of modern manufacturing industry, its history is of long standing and well established, the mankind, again to the alloy epoch of today, go through the casting history of 3,000 years development from the Bronze Age to the Iron Age, foundry industry provides important motivity for the fast development of modern society.And as casting and pouring and the preparation method itself on foundry industry basis, same along with the lifting of demand development, develop into waterglass sand mold, resin bonded sand mould from initial clay sand mold, lime stone sand mold, and then develop into modern negative pressure casting, lost foam casting, the casting of V method, also have permanent mold casting, lose cured cast etc.; Above-mentioned all casting pouring technologies, all need equally vital material: cast paint; Use cast paint can make metal casting any surface finish, size accurately, the endoplasm even compact.
Cast paint is accompanied by the development of casting pouring technology and constantly improves, and the modern goods cast paint mainly exists with two kinds of forms, i.e. paste coating and powder-type coating.But the powder-type coating powder easily gets out and causes environmental pollution, powder-type coating also to have bale broken in transit and cause the risk of environmental pollution from the gap location of packaging bag; In use procedure, dust from flying and cause work under bad environment, have a strong impact on the healthy of operating personnel especially, simultaneously, has a large amount of coating in packing residual, and production cost is improved.Paste coating exists packing cost and the too high shortcoming of cost of transportation, and easily occur in transit to leak and cause damage, wherein, there be the volatilization of harmful inflammable organic solvent in transportation and storage especially in the alcohol radical paste coating, easily causes environmental pollution and disaster hidden-trouble.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide, uses clean environment firendly, transportation safety is reliable, spraying effect good and the coating proportion of goods damageds are low a kind of environmentally-friendly water-based particle cast paint and preparation method thereof.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of environmentally-friendly water-based particle cast paint, comprise water miscible solids coating particle, this coating particles is received and is added appropriate water mixing granulation to form after uniform stirring by waterbase powder coating, converted starch and powdered silicate, and this coating particles is spherical, oval, cydariform, cylindrical or olive shape.
For optimizing technique scheme, the measure of taking also comprises:
The components in mass portion of above-mentioned coating particles is counted meter: waterbase powder coating is 100 parts, and converted starch is 0.2 part to 2 parts, and powdered silicate is received 0.1 part to 1 part.
The present invention also provides a kind of preparation method of environmentally-friendly water-based particle cast paint, and the method comprises the following steps:
Step 1, raw material are prepared: take respectively waterbase powder coating, converted starch and powdered silicate by following component and receive standbyly, described component is as follows by its weight portion:
Waterbase powder coating 100 weight portions
Converted starch 0.2～2 weight portion
Powdered silicate is received 0.1～1 weight portion
Step 2, be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdered silicate are received and added successively agitator to uniformly mix to make mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then add the converted starch of preparing in step 1, and add appropriate water, complete granulation by comminutor and make the semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, and drying makes the finished product coating particles;
Step 5, finished product packing: packaging and warehousing after above-mentioned finished product coating particles check is obtained this product.
Water in above-mentioned step 3 enters in comminutor with Sprayable.
In above-mentioned step 4, the dry environment temperature of drying machine is 30 ℃ to 50 ℃.
In above-mentioned step 4, the dry environment temperature of drying machine is 40 ℃ to 50 ℃.
Compared with prior art, the invention has the advantages that, waterbase powder coating is processed into water base particulate coating material, because water base particulate coating material has certain volume, and smooth outer surface, can avoid the generation of bale broken phenomenon in transportation, and can not cause the pollution of environment; In use procedure, coating can not fly upward everywhere and cause the abominable of working environment, thereby provides good working environment for the staff; the Protection personnel's is healthy, and in coating transportation and use procedure, the coating loss is few; residual volume is few, thereby has saved production cost.
Description of drawings
Fig. 1 is the process chart of the embodiment of the present invention.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
A kind of environmentally-friendly water-based particle cast paint of the present invention, comprise water miscible solids coating particle, this coating particles is received and is added appropriate water mixing granulation to form after uniform stirring by waterbase powder coating, converted starch and powdered silicate, and this coating particles is spherical, oval, cydariform, cylindrical or olive shape.Water base cast paint of the prior art mostly is paste coating and powder-type coating, because paste coating and powder-type coating easily cause the residual or dust from flying of a large amount of coating, pollutes, and therefore often can cause coating transportation difficulty and the serious problem of waste.The present invention receives the structure of granulation shape after organic mixing with waterbase powder coating, converted starch and powdered silicate, makes this product have certain volume and geometry, and smooth outer surface, thereby very convenient transportation and packing.This product in use coating can not fly upward everywhere yet, has avoided the pollution to environment, is conducive to the healthy of employee.Clean environment firendly of the present invention, safe and reliable, can effectively reduce the proportion of goods damageds in coating transportation and use procedure.
For further optimizing the structure of this product, in embodiment, the components in mass portion of coating particles is counted meter: waterbase powder coating is 100 parts, and converted starch is 0.2 part to 2 parts, and powdered silicate is received 0.1 part to 1 part.
The present invention also provides a kind of preparation method of environmentally-friendly water-based particle cast paint, and the method comprises the following steps:
Step 1, raw material are prepared: take respectively waterbase powder coating, converted starch and powdered silicate by following component and receive standbyly, described component is as follows by its weight portion:
Waterbase powder coating 100 weight portions
Converted starch 0.2～2 weight portion
Powdered silicate is received 0.1～1 weight portion
Step 2, be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdered silicate are received and added successively agitator to uniformly mix to make mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then add the converted starch of preparing in step 1, and add appropriate water, complete granulation by comminutor and make the semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, and drying makes the finished product coating particles;
Step 5, finished product packing: packaging and warehousing after above-mentioned finished product coating particles check is obtained this product.
Water in above-mentioned step 3 enters in comminutor with Sprayable.
In above-mentioned step 4, the dry environment temperature of drying machine is 30 ℃ to 50 ℃.
In above-mentioned step 4, the dry environment temperature of drying machine is 40 ℃ to 50 ℃.
Embodiment one:
The base stock of the manufacturing formula of the environmentally-friendly water-based particle cast paint of the present embodiment is:
100 parts of waterbase powder coatings;
0.2 part of converted starch;
Powdered silicate is received 0.1 part;
Water is appropriate.
The preparation method of the environmentally-friendly water-based particle cast paint of the present embodiment comprises the following steps:
Step 1, prepare raw material: the mass fraction according to component carries out weighing and burden, gets 100 parts of waterbase powder coatings, 0.2 part of converted starch, powdered silicate and receives 0.1 part;
Step 2, be uniformly mixed: 100 parts of waterbase powder coatings in step 1 and 0.1 part of powdered silicate are received and added agitator to be uniformly mixed; At the uniform velocity stir in agitator, make waterbase powder coating and powdered silicate receive abundant mixing;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds 0.2 portion of converted starch preparing in step 1, and with Sprayable, adds appropriate water, completes granulation by comminutor and forms the semi-finished product coating particles; To add the quality of water be 8% to 15% of waterbase powder coating quality;
Step 4, drying: above-mentioned semi-finished product coating particles is entered the drying machine drying, the excessive moisture in the semi-finished product coating particles is fully evaporated, both guaranteed that particulate coating material can be fully dry, guarantee again the quality of coating, baking temperature is controlled at below 50 ℃; When temperature was controlled at 40 ℃ to 50 ℃, particulate coating material was the best in quality;
Step 5, finished product packing: dried finished product coating particles is packed warehouse-in between baling vehicle, the sale of can dispatching from the factory.
Embodiment two:
The base stock of the manufacturing formula of the environmentally-friendly water-based particle cast paint of the present embodiment is:
100 parts of waterbase powder coatings;
2 parts of converted starches;
Powdered silicate is received 1 part;
Water is appropriate.
The preparation method of the environmentally-friendly water-based particle cast paint of the present embodiment comprises the following steps:
Step 1, prepare raw material: the mass fraction according to component carries out weighing and burden, gets 100 parts of waterbase powder coatings, 2 parts of converted starches, powdered silicate and receives 1 part;
Step 2, be uniformly mixed: 100 parts of waterbase powder coatings in step 1 and 1 part of powdered silicate are received and added agitator to be uniformly mixed; At the uniform velocity stir in agitator, make waterbase powder coating and powdered silicate receive abundant mixing;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds 2 portions of converted starches preparing in step 1, and with Sprayable, adds appropriate water, completes granulation by comminutor and forms the semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is entered the drying machine drying, make the finished product coating particles after temperature fully evaporates excessive moisture under less than the environment of 50 ℃;
Step 5, finished product packing: dried finished product coating particles is packed warehouse-in between baling vehicle, the sale of can dispatching from the factory.
Embodiment three:
The base stock of the manufacturing formula of the environmentally-friendly water-based particle cast paint in the present embodiment is:
100 parts of waterbase powder coatings;
1 part of converted starch;
Powdered silicate is received 0.5 part;
Water is appropriate.
The preparation method of the environmentally-friendly water-based particle cast paint of the present embodiment comprises the following steps:
Step 1, prepare raw material: the mass fraction according to component carries out weighing and burden, gets 100 parts of waterbase powder coatings, 1 part of converted starch, powdered silicate and receives 0.5 part;
Step 2, be uniformly mixed: 100 parts of waterbase powder coatings in step 1 and 0.5 part of powdered silicate are received and added agitator to be uniformly mixed; At the uniform velocity stir in agitator, make waterbase powder coating and powdered silicate receive abundant mixing;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds 1 portion of converted starch preparing in step 1, and with Sprayable, adds appropriate water, completes granulation by comminutor and forms the semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is entered the drying machine drying, in temperature, less than 50 ℃, excessive moisture is fully evaporated;
Step 5, finished product packing: dried finished product coating particles is packed warehouse-in between baling vehicle, the sale of can dispatching from the factory.
A kind of environmentally-friendly water-based particle cast paint of the present invention, production technology is simple, and the finished product smooth outer surface can be avoided the generation of bale broken phenomenon in transportation, and can not cause the pollution of environment; In use procedure, coating can not fly upward everywhere and cause the abominable of working environment, thereby for the staff provides good working environment, the Protection personnel's is healthy; Transportation and use procedure, the coating loss is few, and residual volume is few, thereby has saved production cost, can bring better result of use and economic well-being of workers and staff for the user.
Claims (6)
1. environmentally-friendly water-based particle cast paint, comprise water miscible solids coating particle, it is characterized in that: described coating particles is received and is added appropriate water mixing granulation to form after uniform stirring by waterbase powder coating, converted starch and powdered silicate, and described coating particles is spherical, oval, cydariform, cylindrical or olive shape.
2. a kind of environmentally-friendly water-based particle cast paint according to claim 1, it is characterized in that: the components in mass portion of described coating particles is counted meter: waterbase powder coating is 100 parts, and converted starch is 0.2 part to 2 parts, and powdered silicate is received 0.1 part to 1 part.
3. the preparation method of the described environmentally-friendly water-based particle cast paint of right 1, it is characterized in that: the method comprises the following steps:
Step 1, raw material are prepared: take respectively waterbase powder coating, converted starch and powdered silicate by following component and receive standbyly, described component is as follows by its weight portion:
Waterbase powder coating 100 weight portions
Converted starch 0.2～2 weight portion
Powdered silicate is received 0.1～1 weight portion;
Step 2, be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdered silicate are received and added successively agitator to uniformly mix to make mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then add the converted starch of preparing in step 1, and add appropriate water, complete granulation by comminutor and make the semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, and drying makes the finished product coating particles;
Step 5, finished product packing: packaging and warehousing after above-mentioned finished product coating particles check is obtained this product.
4. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 3, it is characterized in that: the water in described step 3 enters in comminutor with Sprayable.
5. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 4, it is characterized in that: in described step 4, the dry environment temperature of drying machine is 30 ℃ to 50 ℃.
6. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 5, it is characterized in that: in described step 4, the dry environment temperature of drying machine is 40 ℃ to 50 ℃.
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| CN201310349769.XA CN103394634B (en) | 2013-08-13 | 2013-08-13 | Environment-friendly water-based particle casting coating and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027441A (en) * | 1983-07-22 | 1985-02-12 | Sintokogio Ltd | Molding method |
| JPH038534A (en) * | 1989-03-22 | 1991-01-16 | Shin Etsu Chem Co Ltd | Rare earth oxide slurry |
| CN103100651A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing solid-mold casting coating material for large-sized cast parts |
| CN103100658A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing solid-mold casting coating material for cast iron |
| CN103100656A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing quick-drying solid-mold casting coating material |
-
2013
- 2013-08-13 CN CN201310349769.XA patent/CN103394634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027441A (en) * | 1983-07-22 | 1985-02-12 | Sintokogio Ltd | Molding method |
| JPH038534A (en) * | 1989-03-22 | 1991-01-16 | Shin Etsu Chem Co Ltd | Rare earth oxide slurry |
| CN103100651A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing solid-mold casting coating material for large-sized cast parts |
| CN103100658A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing solid-mold casting coating material for cast iron |
| CN103100656A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Method for preparing quick-drying solid-mold casting coating material |
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Effective date of registration: 20160819 Address after: Pu Feng Cun, Jiangbei District, Zhejiang Province, Ningbo City Qingfeng road 315031 Lane 777 No. 6 No. 30-2 Patentee after: NINGBO DIZHONG MATERIAL APPLICATION CO., LTD. Address before: 315211, D building, room 134, Ring North Road, Jiangbei District, Zhejiang, Ningbo 304, China Patentee before: Zhao Rong |