CN1237127C - Paint anti-fouling agent and its preparation method - Google Patents
Paint anti-fouling agent and its preparation method Download PDFInfo
- Publication number
- CN1237127C CN1237127C CN 200310105490 CN200310105490A CN1237127C CN 1237127 C CN1237127 C CN 1237127C CN 200310105490 CN200310105490 CN 200310105490 CN 200310105490 A CN200310105490 A CN 200310105490A CN 1237127 C CN1237127 C CN 1237127C
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- China
- Prior art keywords
- paint
- copper oxide
- red copper
- vinyltrimethoxysilane
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to an antifouling agent for paint. The antifouling agent is characterized in that the antifouling agent is prepared from cuprous oxide and vinyltrimethoxysilane or vinyltrimethoxysilane at a weight ratio of 20 to 80:0.1 to 10. Anhydrous alcohol and the vinyltrimethoxysilane or the vinyltrimethoxysilane is uniformly stirred to obtain a mixture; then cuprous oxide is added to the mixture under the stirring condition, and the obtained mixture is dried at 60 to 110 DEG C under the nitrogen protection after the ethanol is centrifugally removed; the weight ratio of the anhydrous alcohol to the cuprous oxide is 10 to 200:20 to 60. The antifouling agent has the advantages of high lipophilicity, high compatibility in a paint, easy control of release speed, quantity reduction in paint, cuprous oxide saving and cost reduction of paint.
Description
Technical field
The present invention relates to a kind of stain control agent, particularly relate to a kind of coating stain control agent and preparation method thereof.
Background technology
The device surface that immerses netting gear in the seawater, hull, buoy, bridge pier, harbour and other and contact with sea water is usually owing to adhere to marine life, and causes surperficial stainedly, increases surperficial frictional resistance, also quickened corrosion.At present, the optimal path of solution sea marine organism pollution is the coating that brushing contains stain control agent.Widely apply the multipolymer and the Red copper oxide (Cu of methacrylic acid tributyl tin ester and methyl methacrylate both at home and abroad
2O) composition is coated on surfaces such as hull bottom as a kind of antifouling paint, can prevent the harm of marine fouling organism effectively.Multipolymer in this antifouling paint is the meeting hydrolysis in seawater, discharges tributyl tin (TBT), brings into play antifouling effect.But the TBT harm marine eco-environment and sea farming industry cause gender variation and the housing distortion of oyster, blood clam and mussel as TBT.Therefore, noted developing the antifouling paint that does not contain organotin both at home and abroad, but a large amount of Red copper oxide that use are as stain control agent in these coating, the usage quantity of Red copper oxide has accounted for 30～60% of coating nonvolatile component.Because Red copper oxide has than the characteristic great, that wetting ability is strong, make these coating be easy to generate sedimentation and Red copper oxide easily is discharged in the water body, cause the use difficulty of antifouling paint and the efficient low shortcoming of Red copper oxide.
Summary of the invention
The purpose of this invention is to provide a kind of coating stain control agent and preparation method thereof, it can remedy the above-mentioned deficiency of prior art.
A kind of coating stain control agent is characterized in that containing Red copper oxide, vinyltrimethoxy silane or vinyltriethoxysilane, and their weight ratio scope is: 20-80: 0.1-10.
The preparation method of above-mentioned coating stain control agent; it is characterized in that dehydrated alcohol and vinyltrimethoxy silane or vinyltriethoxysilane are stirred; obtain mixture; again Red copper oxide is under agitation added in the said mixture, through centrifugal slough ethanol after under nitrogen protection in 60-110 ℃ of drying.
The advantage of this stain control agent is that lipophilicity is good, and good compatibility is arranged again in coating, and release rate easy to control can be reduced in the usage quantity in the coating, saves Red copper oxide, reduces the coating cost.
Embodiment
When preparing this stain control agent; weigh up dehydrated alcohol 100g, vinyltrimethoxy silane 4g earlier; stir; obtain mixture; weigh up Red copper oxide 40g again; add this Red copper oxide under high-speed stirring in said mixture, centrifugal sloughing behind the ethanol under nitrogen protection in 60-110 ℃ of drying obtains stain control agent of the present invention through grinding.
Vinyltrimethoxy silane also can be used vinyltriethoxysilane instead in the present embodiment, for example uses the 4g vinyltrimethoxy silane instead the 4g vinyltriethoxysilane.When preparing stain control agent of the present invention, the weight of used dehydrated alcohol and the part by weight of Red copper oxide are: 10-200: 20-60.
Claims (3)
1 one kinds of coating stain control agents is characterized in that containing Red copper oxide, vinyltrimethoxy silane or vinyltriethoxysilane, and their weight ratio scope is: 20-80: 0.1-10.
The preparation method of the described coating stain control agent of 2 claims 1; it is characterized in that dehydrated alcohol and vinyltrimethoxy silane or vinyltriethoxysilane are stirred; obtain mixture; again Red copper oxide is under agitation added in the said mixture, through centrifugal slough ethanol after under nitrogen protection in 60-110 ℃ of drying.
3 preparation methods as claimed in claim 2 is characterized in that the weight of described dehydrated alcohol and the part by weight of Red copper oxide are: 10-200: 20-60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105490 CN1237127C (en) | 2003-11-10 | 2003-11-10 | Paint anti-fouling agent and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105490 CN1237127C (en) | 2003-11-10 | 2003-11-10 | Paint anti-fouling agent and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1544542A CN1544542A (en) | 2004-11-10 |
| CN1237127C true CN1237127C (en) | 2006-01-18 |
Family
ID=34333766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310105490 Expired - Fee Related CN1237127C (en) | 2003-11-10 | 2003-11-10 | Paint anti-fouling agent and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1237127C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2708594A1 (en) * | 2012-09-18 | 2014-03-19 | Jotun A/S | Cleaning process |
| CN115354259A (en) * | 2022-08-23 | 2022-11-18 | 华中科技大学 | Anticorrosive and antifouling integrated iron-based amorphous composite coating and preparation method thereof |
-
2003
- 2003-11-10 CN CN 200310105490 patent/CN1237127C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1544542A (en) | 2004-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060118 Termination date: 20141110 |
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| EXPY | Termination of patent right or utility model |