CN103394634B - 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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- CN103394634B CN103394634B CN201310349769.XA CN201310349769A CN103394634B CN 103394634 B CN103394634 B CN 103394634B CN 201310349769 A CN201310349769 A CN 201310349769A CN 103394634 B CN103394634 B CN 103394634B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 103
- 238000000576 coating method Methods 0.000 title claims abstract description 103
- 239000002245 particle Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000005266 casting Methods 0.000 title abstract description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 29
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 21
- 238000005469 granulation Methods 0.000 claims abstract description 16
- 230000003179 granulation Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 240000007817 Olea europaea Species 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 31
- 229920002472 Starch Polymers 0.000 claims description 25
- 239000003973 paint Substances 0.000 claims description 25
- 235000019698 starch Nutrition 0.000 claims description 25
- 239000008107 starch Substances 0.000 claims description 24
- 239000000047 product Substances 0.000 claims description 23
- 239000011265 semifinished product Substances 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 2
- 229920000881 Modified starch Polymers 0.000 abstract 1
- 239000004368 Modified starch Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 235000019426 modified starch Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010120 permanent mold casting Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Mold Materials And Core Materials (AREA)
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 foundry industry field, particularly a kind of water base cast paint, specifically a kind of preparation method of environmentally-friendly water-based particle cast paint.
Background technology
Foundry industry is as one of the pillar industry of modern manufacturing industry, its history is of long standing and well established, in the alloy epoch of the mankind again to this Bronze Age to the Iron Age, go through the casting history of 3,000 years development, foundry industry is that the fast development of modern society provides important motivity.And as the casting and pouring on foundry industry basis and preparation method itself, the development along with the lifting of demand equally, waterglass sand mold, resin bonded sand mould is developed into 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; Metal casting any surface finish, size are accurate, endoplasm even compact to use cast paint to make.
Cast paint is constantly improved along with the development of casting pouring technology, and modern goods cast paint mainly exists with two kinds of forms, i.e. paste coating and powder-type coating.But powder-type coating powder easily gets out from the gap location of packaging bag and causes environmental pollution, also there is bale broken in transit and cause the risk of environmental pollution in powder-type coating; In use procedure, dust from flying and cause work under bad environment especially, has a strong impact on the healthy of operating personnel, meanwhile, has a large amount of coating and remains, and production cost is improved in packaging.There is packing cost and the too high shortcoming of cost of transportation in paste coating, and easily occur in transit leak and cause damage, wherein, there is the volatilization of harmful flammable organic solvent in transport and storage in alcohol radical paste coating, easily causes environmental pollution and disaster hidden-trouble especially.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide use clean environment firendly, transportation safety is reliable, spraying effect good and the preparation method of a kind of environmentally-friendly water-based particle cast paint that the coating proportion of goods damageds are low.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of preparation method of environmentally-friendly water-based particle cast paint, comprise water miscible solids coating particle, this coating particles adds appropriate water mixing granulation by waterbase powder coating, converted starch and powdery sodium silicate and is formed after uniform stirring, and this coating particles is spherical, oval, cydariform, cylindrical or olive shape.
For optimizing technique scheme, the measure taked also comprises:
The components in mass portion number meter of above-mentioned coating particles: waterbase powder coating is 100 parts, converted starch is 0.2 part to 2 parts, powdery sodium silicate 0.1 part to 1 part.
Present invention also offers a kind of preparation method of environmentally-friendly water-based particle cast paint, the method comprises the following steps:
Step 1, raw material prepare: take waterbase powder coating, converted starch and powdery sodium silicate respectively by following component for subsequent use, and described component is as follows by its parts by weight:
Waterbase powder coating 100 weight portion
Converted starch 0.2 ~ 2 weight portion
Powdery sodium silicate 0.1 ~ 1 weight portion
Step 2, to be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdery sodium silicate are added agitator successively and uniformly mixes obtained mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then adds the converted starch prepared in step 1, and add appropriate water, complete granulation by comminutor and obtain semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, dry obtained finished product coating particles;
Step 5, finished product packing: packaging and warehousing after the inspection of above-mentioned finished product coating particles 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 DEG C to 50 DEG C.
In above-mentioned step 4, the dry environment temperature of drying machine is 40 DEG C to 50 DEG C.
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, the generation of bale broken phenomenon can be avoided in transportation, and the pollution of environment can not be caused; In use procedure, coating can not fly upward everywhere and cause the severe of working environment, thus provides good working environment for staff; protection staff's is healthy, and in coating transport and use procedure, coating loss is few; residual volume is few, thus has saved production cost.
Accompanying drawing explanation
Fig. 1 is the process chart of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
The preparation method of a kind of environmentally-friendly water-based particle cast paint of the present invention, comprise water miscible solids coating particle, this coating particles adds appropriate water mixing granulation by waterbase powder coating, converted starch and powdery sodium silicate and is formed after uniform stirring, 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 a large amount of coating to remain or dust from flying pollution, therefore often can cause coating transport difficult and waste serious problem.The present invention makes granular structure after waterbase powder coating, converted starch and powdery sodium silicate organically being mixed, and makes this product be provided with certain volume and geometry, and smooth outer surface, thus very convenient transportation and packing.This product in use coating also can not fly upward everywhere, avoids the pollution to environment, is conducive to the healthy of employee.Clean environment firendly of the present invention, safe and reliable, effectively can reduce the proportion of goods damageds in coating transport and use procedure.
For optimizing the structure of this product further, in embodiment, the components in mass portion number meter of coating particles: waterbase powder coating is 100 parts, converted starch is 0.2 part to 2 parts, powdery sodium silicate 0.1 part to 1 part.
Present invention also offers a kind of preparation method of environmentally-friendly water-based particle cast paint, the method comprises the following steps:
Step 1, raw material prepare: take waterbase powder coating, converted starch and powdery sodium silicate respectively by following component for subsequent use, and described component is as follows by its parts by weight:
Waterbase powder coating 100 weight portion
Converted starch 0.2 ~ 2 weight portion
Powdery sodium silicate 0.1 ~ 1 weight portion
Step 2, to be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdery sodium silicate are added agitator successively and uniformly mixes obtained mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then adds the converted starch prepared in step 1, and add appropriate water, complete granulation by comminutor and obtain semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, dry obtained finished product coating particles;
Step 5, finished product packing: packaging and warehousing after the inspection of above-mentioned finished product coating particles 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 DEG C to 50 DEG C.
In above-mentioned step 4, the dry environment temperature of drying machine is 40 DEG C to 50 DEG C.
Embodiment one:
The base stock of the manufacture formula of the environmentally-friendly water-based particle cast paint of the present embodiment is:
Waterbase powder coating 100 parts;
Converted starch 0.2 part;
Powdery sodium silicate 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, preparation raw material: carry out weighing and burden according to the mass fraction of component, get waterbase powder coating 100 parts, converted starch 0.2 part, powdery sodium silicate 0.1 part;
Step 2, to be uniformly mixed: part waterbase powder coating of 100 in step 1 and 0.1 part of powdery sodium silicate are added agitator and is uniformly mixed; At the uniform velocity stir in agitator, waterbase powder coating and powdery sodium silicate are fully mixed;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds the 0.2 portion of converted starch prepared in step 1, and add appropriate water with Sprayable, complete granulation by comminutor and form semi-finished product coating particles; Add water quality be 8% to 15% of waterbase powder coating quality;
Step 4, drying: above-mentioned semi-finished product coating particles is entered drying machine drying, the excessive moisture in semi-finished product coating particles is fully evaporated, both ensured that particulate coating material can be fully dry, ensured the quality of coating again, controlled by baking temperature below 50 DEG C; When temperature controls at 40 DEG C to 50 DEG C, particulate coating material is the best in quality;
Step 5, finished product packing: dried finished product coating particles packs warehouse-in between baling vehicle, sale of can dispatching from the factory.
Embodiment two:
The base stock of the manufacture formula of the environmentally-friendly water-based particle cast paint of the present embodiment is:
Waterbase powder coating 100 parts;
Converted starch 2 parts;
Powdery sodium silicate 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, preparation raw material: carry out weighing and burden according to the mass fraction of component, get waterbase powder coating 100 parts, converted starch 2 parts, powdery sodium silicate 1 part;
Step 2, to be uniformly mixed: part waterbase powder coating of 100 in step 1 and 1 part of powdery sodium silicate are added agitator and is uniformly mixed; At the uniform velocity stir in agitator, waterbase powder coating and powdery sodium silicate are fully mixed;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds the 2 portions of converted starches prepared in step 1, and add appropriate water with Sprayable, complete granulation by comminutor and form semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is entered drying machine drying, obtained finished product coating particles after excessive moisture fully being evaporated be less than the environment of 50 DEG C in temperature under;
Step 5, finished product packing: dried finished product coating particles packs warehouse-in between baling vehicle, sale of can dispatching from the factory.
Embodiment three:
The base stock of the manufacture formula of the environmentally-friendly water-based particle cast paint in the present embodiment is:
Waterbase powder coating 100 parts;
Converted starch 1 part;
Powdery sodium silicate 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, preparation raw material: carry out weighing and burden according to the mass fraction of component, get waterbase powder coating 100 parts, converted starch 1 part, powdery sodium silicate 0.5 part;
Step 2, to be uniformly mixed: part waterbase powder coating of 100 in step 1 and 0.5 part of powdery sodium silicate are added agitator and is uniformly mixed; At the uniform velocity stir in agitator, waterbase powder coating and powdery sodium silicate are fully mixed;
Step 3, granulation: the raw material after stirring is sent into comminutor, adds the 1 portion of converted starch prepared in step 1, and add appropriate water with Sprayable, complete granulation by comminutor and form semi-finished product coating particles;
Step 4, dry: above-mentioned semi-finished product coating particles is entered drying machine drying, be less than 50 DEG C and under being greater than the environment of 30 DEG C, make excessive moisture fully evaporate in temperature;
Step 5, finished product packing: dried finished product coating particles packs warehouse-in between baling vehicle, sale of can dispatching from the factory.
The preparation method of a kind of environmentally-friendly water-based particle cast paint of the present invention, production technology is simple, and finished product 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 severe of working environment, thus provides good working environment for staff, and protection staff's is healthy; Transport and use procedure, coating loss is few, and residual volume is few, thus has saved production cost, can bring better result of use and economic well-being of workers and staff for user.
Claims (4)
1. the preparation method of an environmentally-friendly water-based particle cast paint, comprise water miscible solids coating particle, it is characterized in that: described coating particles adds appropriate water mixing granulation by waterbase powder coating, converted starch and powdery sodium silicate and formed after uniform stirring, described coating particles is spherical, oval, cydariform, cylindrical or olive shape; The components in mass portion number meter of described coating particles: waterbase powder coating is 100 parts, converted starch is 0.2 part to 2 parts, powdery sodium silicate 0.1 part to 1 part; The preparation method of environmentally-friendly water-based particle cast paint, comprises the following steps:
Step 1, raw material prepare: take waterbase powder coating, converted starch and powdery sodium silicate respectively by following component for subsequent use, and described component is as follows by its parts by weight:
Waterbase powder coating 100 weight portion
Converted starch 0.2 ~ 2 weight portion
Powdery sodium silicate 0.1 ~ 1 weight portion;
Step 2, to be uniformly mixed: the waterbase powder coating in above-mentioned steps 1 and powdery sodium silicate are added agitator successively and uniformly mixes obtained mixed resin;
Step 3, granulation: above-mentioned mixed resin is sent into comminutor, then adds the converted starch prepared in step 1, and add appropriate water, complete granulation by comminutor and obtain semi-finished product coating particles;
Step 4, drying: above-mentioned semi-finished product coating particles is sent into drying machine, dry obtained finished product coating particles;
Step 5, finished product packing: packaging and warehousing after the inspection of above-mentioned finished product coating particles is obtained this product.
2. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 1, is characterized in that: the water in described step 3 enters in comminutor with Sprayable.
3. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 2, is characterized in that: in described step 4, the dry environment temperature of drying machine is 30 DEG C to 50 DEG C.
4. the preparation method of a kind of environmentally-friendly water-based particle cast paint according to claim 3, is characterized in that: in described step 4, the dry environment temperature of drying machine is 40 DEG C to 50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310349769.XA CN103394634B (en) | 2013-08-13 | 2013-08-13 | Environment-friendly water-based particle casting coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN103394634A CN103394634A (en) | 2013-11-20 |
| CN103394634B true CN103394634B (en) | 2015-03-25 |
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Family Cites Families (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 |
| CN103100651B (en) * | 2012-12-11 | 2016-12-21 | 光泽县和新设备技术有限公司 | A kind of preparation method of heavy castings full-mold casting coating |
| CN103100656B (en) * | 2012-12-11 | 2016-05-18 | 芜湖恒坤汽车部件有限公司 | A kind of preparation method of quick-drying full-mold casting coating |
| CN103100658B (en) * | 2012-12-11 | 2016-05-18 | 芜湖恒坤汽车部件有限公司 | The preparation method of full-mold casting coating for a kind of cast iron |
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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 |