CN105642821A - High-temperature-resistant environment-friendly metal casting coating and preparation method thereof - Google Patents
High-temperature-resistant environment-friendly metal casting coating and preparation method thereof Download PDFInfo
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- CN105642821A CN105642821A CN201610108805.7A CN201610108805A CN105642821A CN 105642821 A CN105642821 A CN 105642821A CN 201610108805 A CN201610108805 A CN 201610108805A CN 105642821 A CN105642821 A CN 105642821A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
Abstract
The invention discloses high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof. The coating comprises, by weight, 3-5 parts of attapulgite clay, 12-15 parts of quartz powder, 5-12 parts of talcum powder, 4-10 parts of superfine glass powder, 1.5-4 parts of sodium silicate, 3-5 parts of bauxite, 3-8 parts of diatomaceous earth, 2-4 parts of bentonite, 6-10 parts of polyethylene glycol, 3-9 parts of organic siloxane, 5-9 parts of silicon resin, 6-12 parts of linseed oil water-soluble alkyd resin, 4-6 parts of triphenyltin hydroxide, 2-6 parts of lignosulfonic acid, 1-3 parts of oxidizing agents, 1-2 parts of wetting agents, 2-5 parts of defoaming agents, 4-9 parts of preservatives, 2-6 parts of bonding agents, 5-8 parts of curing agents and 75-90 parts of deionized water. Compared with the prior art, the casting coating prepared through the method has excellent high temperature resistance, crack resistance and scouring resistance, and is good in adhesiveness and air permeability; meanwhile, the produced coating is uniform, environmentally friendly, free of pollution, good in stability and adsorbability, and capable of meeting the requirements for mass production of large castings, and improves the surface quality of the castings.
Description
Technical field
The present invention relates to cast paint technical field, specifically a kind of high temperature resistant environment-protective metal casting coating and preparation method thereof.
Background technology
Cast paint refers to for being coated in die cavity or core surface, material is assisted in casting to change the performances such as its surface refractoriness, chemical stability, anti-metal erosion, anti-stick grittiness, the disperse system that it is made up of the material of multiple different in kind, its composition mainly includes the compositions such as refractory material, suspending agent, carrier, binding agent and special additive. Require when acting on foundry goods that coating has good processing performance, service behaviour, quality stability and applies repeatability, can play heat insulation on the one hand, equalization temperature, exempt the purpose of the impingment corrosion of molten metal, it is possible to prevent on the other hand the defects such as cracking that cast product causes because Local cooling is too fast, sand holes, white iron formation, is widely used in the production of steel, ferrum, coloured foundry goods. Resistance to elevated temperatures and the adhesion property of existing metal-type casting coating are poor, long-distance transport and deposit in process easily layering, hardness is low, poor chemical stability, anti-metal performance of flushing grittiness low, anti-stick is weak, make cast paint function singleness, produce not environmentally, it is impossible to meet large-scale industrial production simultaneously.
Summary of the invention
It is desirable to provide a kind of high temperature resistant environment-protective metal casting coating and preparation method thereof.
The present invention provides following technical scheme:
A kind of high temperature resistant environment-protective metal casting coating and preparation method thereof, it is made up of the raw material of following parts by weight: attapulgite clay 3-5 part, silica flour 12-15 part, Pulvis Talci 5-12 part, palladium powder 4-10 part, waterglass 1.5-4 part, bauxite 3-5 part, kieselguhr 3-8 part, bentonite 2-4 part, Polyethylene Glycol 6-10 part, organosiloxane 3-9 part, silicones 5-9 part, oleum lini water soluble alkyd resin 6-12 part, triphenyl tin hydroxide 4-6 part, lignin sulfonic acid 2-6 part, oxidant 1-3 part, wetting agent 1-2 part, defoamer 2-5 part, preservative 4-9 part, binding agent 2-6 part, firming agent 5-8 part and deionized water 75-90 part.
A kind of high temperature resistant environment-protective metal casting coating and preparation method thereof, comprises the following steps:
(1) mix after attapulgite clay, silica flour, Pulvis Talci, palladium powder, waterglass, bauxite, kieselguhr and bentonite are rolled into respectively powder, feed the mixture in deionized water, be placed in centrifuge centrifugal 25-30 minute with 2200-3000 rev/min;
(2) mixed liquor above-mentioned steps obtained heats to 40-60 DEG C, adds Polyethylene Glycol, organosiloxane, silicones, oleum lini water soluble alkyd resin, triphenyl tin hydroxide and lignin sulfonic acid and stirs 8-15 minute;
(3) in above-mentioned mixed liquor, add oxidant, wetting agent, defoamer and preservative carry out being mixed and stirred for uniformly;
(4) heat to 180-200 DEG C to the above-mentioned mixed liquor stirred, add binding agent and firming agent, and carry out dried, obtain described cast paint.
Described oxidant is one or both in chromium oxide and ferrum oxide.
In described step (3), mixing time is 20-30 minute, and mixing speed is 400-600 rev/min.
Compared with the prior art, beneficial effects of the present invention: the cast paint that the present invention prepares, there is excellent high temperature resistant and crack resistance, tack is high, resistance to erosion, good air permeability, cost is low simultaneously, spalling is good, can meet the mass production of heavy castings, improves the surface quality of foundry goods; The coating simultaneously produced is uniform, and environment friendly and pollution-free, stability is good, and being coated with property is good, possesses good adsorptivity.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
1 one kinds of high temperature resistant environment-protective metal casting coating of embodiment and preparation method thereof, it is made up of the raw material of following parts by weight: attapulgite clay 3 parts, silica flour 12 parts, Pulvis Talci 5 parts, palladium powder 4 parts, waterglass 1.5-4 part, bauxite 3 parts, 3 parts of kieselguhr, bentonite 2 parts, Polyethylene Glycol 6 parts, organosiloxane 3 parts, silicones 5 parts, oleum lini water soluble alkyd resin 6 parts, triphenyl tin hydroxide 4 parts, lignin sulfonic acid 2 parts, oxidant 1 part, wetting agent 1 part, defoamer 2 parts, preservative 4 parts, binding agent 2 parts, 5 parts of firming agent and deionized water 75 parts.
A kind of high temperature resistant environment-protective metal casting coating and preparation method thereof, comprises the following steps:
(1) mix after attapulgite clay, silica flour, Pulvis Talci, palladium powder, waterglass, bauxite, kieselguhr and bentonite are rolled into respectively powder, feed the mixture in deionized water, be placed in centrifuge centrifugal 25-30 minute with 2200-3000 rev/min;
(2) mixed liquor above-mentioned steps obtained heats to 40-60 DEG C, adds Polyethylene Glycol, organosiloxane, silicones, oleum lini water soluble alkyd resin, triphenyl tin hydroxide and lignin sulfonic acid and stirs 8-15 minute;
(3) in above-mentioned mixed liquor, add oxidant, wetting agent, defoamer and preservative carry out being mixed and stirred for uniformly;
(4) heat to 180-200 DEG C to the above-mentioned mixed liquor stirred, add binding agent and firming agent, and carry out dried, obtain described cast paint.
Described oxidant is one or both in chromium oxide and ferrum oxide.
In described step (3), mixing time is 20-30 minute, and mixing speed is 400-600 rev/min.
2 one kinds of high temperature resistant environment-protective metal casting coating of embodiment and preparation method thereof, it is made up of the raw material of following parts by weight: attapulgite clay 5 parts, silica flour 15 parts, Pulvis Talci 12 parts, palladium powder 10 parts, waterglass 4 parts, bauxite 5 parts, 8 parts of kieselguhr, bentonite 4 parts, Polyethylene Glycol 10 parts, organosiloxane 9 parts, silicones 9 parts, oleum lini water soluble alkyd resin 12 parts, triphenyl tin hydroxide 6 parts, lignin sulfonic acid 6 parts, oxidant 3 parts, wetting agent 2 parts, defoamer 5 parts, preservative 9 parts, binding agent 6 parts, 8 parts of firming agent and deionized water 90 parts.
A kind of high temperature resistant environment-protective metal casting coating and preparation method thereof, comprises the following steps:
(1) mix after attapulgite clay, silica flour, Pulvis Talci, palladium powder, waterglass, bauxite, kieselguhr and bentonite are rolled into respectively powder, feed the mixture in deionized water, be placed in centrifuge centrifugal 25-30 minute with 2200-3000 rev/min;
(2) mixed liquor above-mentioned steps obtained heats to 40-60 DEG C, adds Polyethylene Glycol, organosiloxane, silicones, oleum lini water soluble alkyd resin, triphenyl tin hydroxide and lignin sulfonic acid and stirs 8-15 minute;
(3) in above-mentioned mixed liquor, add oxidant, wetting agent, defoamer and preservative carry out being mixed and stirred for uniformly;
(4) heat to 180-200 DEG C to the above-mentioned mixed liquor stirred, add binding agent and firming agent, and carry out dried, obtain described cast paint.
Described oxidant is one or both in chromium oxide and ferrum oxide.
In described step (3), mixing time is 20-30 minute, and mixing speed is 400-600 rev/min.
3 one kinds of high temperature resistant environment-protective metal casting coating of embodiment and preparation method thereof, it is made up of the raw material of following parts by weight: attapulgite clay 4 parts, silica flour 13 parts, Pulvis Talci 9 parts, palladium powder 6 parts, waterglass 3 parts, bauxite 4 parts, 5 parts of kieselguhr, bentonite 3 parts, Polyethylene Glycol 7 parts, organosiloxane 8 parts, silicones 8 parts, oleum lini water soluble alkyd resin 10 parts, triphenyl tin hydroxide 5 parts, lignin sulfonic acid 4 parts, oxidant 2 parts, wetting agent 1 part, defoamer 4 parts, preservative 6 parts, binding agent 5 parts, 7 parts of firming agent and deionized water 80 parts.
A kind of high temperature resistant environment-protective metal casting coating and preparation method thereof, comprises the following steps:
(1) mix after attapulgite clay, silica flour, Pulvis Talci, palladium powder, waterglass, bauxite, kieselguhr and bentonite are rolled into respectively powder, feed the mixture in deionized water, be placed in centrifuge centrifugal 25-30 minute with 2200-3000 rev/min;
(2) mixed liquor above-mentioned steps obtained heats to 40-60 DEG C, adds Polyethylene Glycol, organosiloxane, silicones, oleum lini water soluble alkyd resin, triphenyl tin hydroxide and lignin sulfonic acid and stirs 8-15 minute;
(3) in above-mentioned mixed liquor, add oxidant, wetting agent, defoamer and preservative carry out being mixed and stirred for uniformly;
(4) heat to 180-200 DEG C to the above-mentioned mixed liquor stirred, add binding agent and firming agent, and carry out dried, obtain described cast paint.
Described oxidant is one or both in chromium oxide and ferrum oxide.
In described step (3), mixing time is 20-30 minute, and mixing speed is 400-600 rev/min.
It is obvious to a person skilled in the art that the invention is not restricted to the details of described one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described explanation limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention. In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. high temperature resistant environment-protective metal casting coating and preparation method thereof, it is characterized in that, it is made up of the raw material of following parts by weight: attapulgite clay 3-5 part, silica flour 12-15 part, Pulvis Talci 5-12 part, palladium powder 4-10 part, waterglass 1.5-4 part, bauxite 3-5 part, kieselguhr 3-8 part, bentonite 2-4 part, Polyethylene Glycol 6-10 part, organosiloxane 3-9 part, silicones 5-9 part, oleum lini water soluble alkyd resin 6-12 part, triphenyl tin hydroxide 4-6 part, lignin sulfonic acid 2-6 part, oxidant 1-3 part, wetting agent 1-2 part, defoamer 2-5 part, preservative 4-9 part, binding agent 2-6 part, firming agent 5-8 part and deionized water 75-90 part.
2. a kind of high temperature resistant environment-protective metal casting coating according to claim 1 and preparation method thereof, it is characterised in that comprise the following steps:
(1) mix after attapulgite clay, silica flour, Pulvis Talci, palladium powder, waterglass, bauxite, kieselguhr and bentonite are rolled into respectively powder, feed the mixture in deionized water, be placed in centrifuge centrifugal 25-30 minute with 2200-3000 rev/min;
(2) mixed liquor above-mentioned steps obtained heats to 40-60 DEG C, adds Polyethylene Glycol, organosiloxane, silicones, oleum lini water soluble alkyd resin, triphenyl tin hydroxide and lignin sulfonic acid and stirs 8-15 minute;
(3) in above-mentioned mixed liquor, add oxidant, wetting agent, defoamer and preservative carry out being mixed and stirred for uniformly;
(4) heat to 180-200 DEG C to the above-mentioned mixed liquor stirred, add binding agent and firming agent, and carry out dried, obtain described cast paint.
3. a kind of high temperature resistant environment-protective metal casting coating according to claim 1 and 2 and preparation method thereof, it is characterised in that: described oxidant is one or both in chromium oxide and ferrum oxide.
4. a kind of high temperature resistant environment-protective metal casting coating according to claim 1 and 2 and preparation method thereof, it is characterised in that: in described step (3), mixing time is 20-30 minute, and mixing speed is 400-600 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610108805.7A CN105642821A (en) | 2016-02-26 | 2016-02-26 | High-temperature-resistant environment-friendly metal casting coating and preparation method thereof |
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| CN201610108805.7A CN105642821A (en) | 2016-02-26 | 2016-02-26 | High-temperature-resistant environment-friendly metal casting coating and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834355A (en) * | 2016-06-12 | 2016-08-10 | 安徽工程大学 | Self-heating high-temperature coating |
| CN106433470A (en) * | 2016-10-24 | 2017-02-22 | 黄林 | High-quality coating for motor housing casting and preparation method thereof |
| CN106903263A (en) * | 2017-04-11 | 2017-06-30 | 明光市安盛非金属材料厂 | A kind of attapulgite cast paint with well suspended |
| CN106944590A (en) * | 2017-04-28 | 2017-07-14 | 河北新兴铸管有限公司 | A kind of high-temperature resistant coating and preparation method |
| CN110586852A (en) * | 2019-09-24 | 2019-12-20 | 安徽信息工程学院 | Water-based environment-friendly coating for brass casting lost foam and preparation method thereof |
| CN110586850A (en) * | 2019-09-06 | 2019-12-20 | 邯郸慧桥复合材料科技有限公司 | Wear-resistant part casting coating |
Citations (5)
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| JPS51149119A (en) * | 1975-06-09 | 1976-12-21 | Grafo Colloids Corp | Lubricant appropriate to be used for mandrel* forging die and mold |
| CN101497105A (en) * | 2009-03-12 | 2009-08-05 | 深圳市景鼎现代科技有限公司 | Cast form water borne coating and technique for preparing the same |
| CN104801660A (en) * | 2015-04-17 | 2015-07-29 | 青岛保利康新材料有限公司 | Casting coating |
| CN104874723A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | Preparation method of high temperature resistant casting coating |
| CN104874722A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | High temperature resistant casting coating |
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2016
- 2016-02-26 CN CN201610108805.7A patent/CN105642821A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51149119A (en) * | 1975-06-09 | 1976-12-21 | Grafo Colloids Corp | Lubricant appropriate to be used for mandrel* forging die and mold |
| CN101497105A (en) * | 2009-03-12 | 2009-08-05 | 深圳市景鼎现代科技有限公司 | Cast form water borne coating and technique for preparing the same |
| CN104801660A (en) * | 2015-04-17 | 2015-07-29 | 青岛保利康新材料有限公司 | Casting coating |
| CN104874723A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | Preparation method of high temperature resistant casting coating |
| CN104874722A (en) * | 2015-05-20 | 2015-09-02 | 柳州市百田机械有限公司 | High temperature resistant casting coating |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834355A (en) * | 2016-06-12 | 2016-08-10 | 安徽工程大学 | Self-heating high-temperature coating |
| CN106433470A (en) * | 2016-10-24 | 2017-02-22 | 黄林 | High-quality coating for motor housing casting and preparation method thereof |
| CN106903263A (en) * | 2017-04-11 | 2017-06-30 | 明光市安盛非金属材料厂 | A kind of attapulgite cast paint with well suspended |
| CN106944590A (en) * | 2017-04-28 | 2017-07-14 | 河北新兴铸管有限公司 | A kind of high-temperature resistant coating and preparation method |
| CN110586850A (en) * | 2019-09-06 | 2019-12-20 | 邯郸慧桥复合材料科技有限公司 | Wear-resistant part casting coating |
| CN110586852A (en) * | 2019-09-24 | 2019-12-20 | 安徽信息工程学院 | Water-based environment-friendly coating for brass casting lost foam and preparation method thereof |
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Application publication date: 20160608 |