CN1040990C - Single-component pollution-free coating - Google Patents
Single-component pollution-free coating Download PDFInfo
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- CN1040990C CN1040990C CN93108559A CN93108559A CN1040990C CN 1040990 C CN1040990 C CN 1040990C CN 93108559 A CN93108559 A CN 93108559A CN 93108559 A CN93108559 A CN 93108559A CN 1040990 C CN1040990 C CN 1040990C
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- antifouling paint
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Abstract
The present invention relates to single-component nontoxic pollution-preventing paint for seas, which can be solidified at room temperature. The paint is made from base material, functional filling material, inert pigment, an auxiliary agent and organic solvent, wherein the base material adopts modified organic silicon, the functional filling material adopts polytetrafluoroethylene and mineral oil, and the inert pigment is made from metal oxides. The paint of the present invention can effectively prevent pollution and damage of marine sessile organisms; the paint does not have toxic or harmful actions on organisms.
Description
The present invention has narrated a kind of single-component antifouling paint, is coated on the bottom of ship, can prevent the stained of marine sessile organism.
Throughout the year the bottom of ship of navigation in the ocean be except that the corrosion that is subjected to seawater, also is subjected to the infringement of marine sessile organisms such as barnacle, oyster, lime worm, Ascidian and algae and stained.According to estimates, the marine biofouling rate is the twice that 5% o'clock running resistance just is equivalent to clean surface, and fuel consumption increases by 10%.Traditional antifouling paint then utilizes wherein contained toxic agent to ooze out with certain speed and fouling organism is caused death, no matter but in the manufacturing of coating or apply in the use, a large amount of toxic agent (as organotin) enters in ocean and other environment and has promptly poisoned marine organisms, jeopardize marine food chain, also influence mankind itself's safety simultaneously.
From the viewpoint of preserving the ecological environment, the exploitation nontoxic antifouling paint has become the important topic of being badly in need of solution in the world.With the low surface energy anti-fouling paint that the additive of room temperature vulcanized silicone rubber and other low surface tension is formed, the surface that its coating in use can keep very low is powerful, makes marine life be difficult to adhere to and reaches anti-fouling effect (Mar.Eng.Rev., 1984,8,18).
The objective of the invention is to overcome organosilicon and be nontoxic antifouling paint self cure difficulty that base-material forms and with shortcomings such as the ground adhesion is not firm.And a kind of single-component antifouling paint is provided, have self-vulcanizing, bond and prevent the excellent properties of marine biofouling with ground.
Purpose of the present invention realizes by following measure:
Coating of the present invention is formed by modulation such as base-material, functional stuffing, pigment extender, auxiliary agent and solvents.Base-material is selected modified organic silicone resin for use, and functional stuffing tetrafluoroethylene and paraffin oil are formed.Formulation for coating material of the present invention comprises (weight percentage), modified organic silicon 18.0～45.6, tetrafluoroethylene 3.0～19.3, paraffin oil 0～10.1, pigment extender 2.0～11.8, auxiliary agent 0.1～1.3, organic solvent surplus.
Pigment extender of the present invention is made up of titanium oxide and magnesium oxide.
Auxiliary agent of the present invention is made up of fluorocarbon surfactant, organo-silicon coupling agent, silicone oil, wilkinite, N-BUTYL ACETATE Mierocrystalline cellulose etc.
Organic solvent of the present invention is the mixing solutions of ketone, ester, aromatic hydrocarbon.
The preparation method of modified organic silicon of the present invention comprises:
(a) with 69.3～95% (weight) with hydroxy-end capped polydimethylsiloxane, blow to put at 100～150 ℃ of nitrogen and stirred 1～5 hour;
(b) base polyurethane prepolymer for use as of the Viscotrol C alcoholysis of the polyfunctional oximino silane and 1.3～28.7% (weight) of adding 0.3～4.9% (weight) (made after refluxing 0.5～8 hour by isocyano-content 5～8wt%).
Tetrafluoroethylene process of the present invention
60Co gamma-rays 2 * 10
3～3.5 * 10
5The Gy radiation treatment can make its cohesive force reduce like this, more helps disperseing.
The pigment extender granularity that the present invention selects for use is advisable with 0.5～2.5 μ m.
The concrete preparation process of coating of the present invention is: will carry out ground and mixed through tetrafluoroethylene, paraffin oil, the oxide compound of radiation treatment, add the auxiliary agent ball milling, then the base-material modified organic silicone resin is dissolved in the organic solvent with ball milling good material and stirs ball milling.
Single-component self-vulcanizing non-toxic anti-pollution paint for sea of the present invention is coated in the A of rust-inhibiting paint
3(300 * 150 * 1.5mm), the rust-inhibiting paint build is about 200 μ m on the steel plate.
The characteristics of coating of the present invention are:
1, single-component
2, self-vulcanizing
3, nontoxic
The coating method of coating of the present invention is achieved in that
1, spraying: under 0.15～0.25MPa pressure, make spray gun and object maintain a horizontal throw (＞coating is sprayed on the rust-inhibiting paint surface on 250mm).
2, brush: coating of the present invention can be coated on the rust-inhibiting paint surface by the first direction about the back up and down of brushing direction with painting brush.
Coat-thickness of the present invention is controlled at 100 μ m～150 μ m can obtain promising result.
The performance of paint spay-coating of the present invention back coating on tinplate is as follows:
(1) drying varniss time: GB1728-79,18～25 ℃ of room temperatures, 24 hours surface dryings, 3 days actual drying time.
(2) sticking power: GB1720-79, draws the circle method by 2 grades.
(3) snappiness: GB1731-79,1mm, deflection method.
(4) shock-resistance: GB1732-79,50 kilograms centimetres.
(5) wettability: drying varniss is after ten days, and the contact angle that records coating and distilled water with CA-A type contact angle instrument is 110～126 °.
Antifouling paint and antifouling property test thereof that the present invention makes according to the prescription (weight) of table 1 are as follows.Anti-fouling effect such as table 2.
1, after the antifouling coating preparation, the entry phase is no more than 20 days.
2, the shallow sea soak test is in the Small Qingdao Miniature gulf, and sample is apart from about 0.4～1.5 meter of the water surface, water speed＜0.5 meter per second (waters is pollution-free).
3, soak time: year November in April, 1992-1992.
Table 1
Table 2
| 1 | 2 | 3 | 4 | Contrast model (I) | |
| Modified organic silicon tetrafluoroethylene paraffin oil pigment extender auxiliary agent organic solvent | 41-5 6 0 6 0．5 46 | 20．5 18．8 5．0 10．1 0-3 453 | 30．4 17．0 8-3 2．5 1．0 40．8 | 37．1 10．O 0 4．4 1．0 47．0 | Polyfluortetraethylene plate |
| Sequence number | Soak extra large didirtresistance | Sessile organism adhere firmly degree | |
| The total area coverage % of sessile organism | Sessile organism kind and distribution | ||
| 1 2 3 4 1 | 20 20 20 20 90 | With the lime worm, special 3～10 mm of rattan, Ascidian is that main distribution is agglomerating the same | Other marine life dabs and can slough except that barnacle, and coating is excellent |
Claims (5)
1, a kind of marine biofouling single-component antifouling paint that prevents, prescription comprises (weight percentage):
Modified organic silicon 18.0～45.6%
Tetrafluoroethylene 3.0～19.3%
Paraffin oil 0～10.1%
Pigment extender 2.0～11.8%
Auxiliary agent 0.1～1.3%
Organic solvent surplus wherein modified organic silicon prepares in order to the below method:
(a), blow to put at 100～150 ℃ of nitrogen with hydroxy-end capped polydimethylsiloxane and stirred 1～5 hour with 69.3～95% (weight);
(b) base polyurethane prepolymer for use as of adding polyfunctional oximino silane of 0.3～4.9% (weight) and the alcoholysis of 1.3～28.7% (weight) Viscotrol C (made after refluxing 0.5～8 hour by isocyano-content 5～8wt%).
2,, it is characterized in that pigment extender is made up of titanium oxide and magnesium oxide as the said antifouling paint of claim 1.
3,, it is characterized in that auxiliary agent is made up of fluorocarbon surfactant, organo-silicon coupling agent, silicone oil, wilkinite, N-BUTYL ACETATE Mierocrystalline cellulose as the said antifouling paint of claim 1.
4,, it is characterized in that organic solvent is the mixing solutions of ketone, ester, aromatic hydrocarbon as the said antifouling paint of claim 1.
5,, it is characterized in that the tetrafluoroethylene process as the said antifouling paint of claim 1
60Co gamma-rays 2 * 10
3～3.5 * 10
5The Gy radiation treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93108559A CN1040990C (en) | 1993-07-15 | 1993-07-15 | Single-component pollution-free coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93108559A CN1040990C (en) | 1993-07-15 | 1993-07-15 | Single-component pollution-free coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1097446A CN1097446A (en) | 1995-01-18 |
| CN1040990C true CN1040990C (en) | 1998-12-02 |
Family
ID=4987183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93108559A Expired - Fee Related CN1040990C (en) | 1993-07-15 | 1993-07-15 | Single-component pollution-free coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1040990C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702880A (en) * | 2012-06-14 | 2012-10-03 | 天长市银狐漆业有限公司 | Anti-fouling paint composition |
| WO2015051514A1 (en) | 2013-10-10 | 2015-04-16 | Rohm And Haas Company | Coating composition with improved liquid stain repellency |
| EP3055368B1 (en) * | 2013-10-10 | 2019-08-14 | Rohm and Haas Company | Coating composition with improved liquid stain repellency and process for making the same |
| CN103694823A (en) * | 2013-12-13 | 2014-04-02 | 青岛海洋新材料科技有限公司 | Environment-friendly marine antifouling coating |
| CN107778939B (en) * | 2017-10-27 | 2019-09-24 | 浙江绿岛科技有限公司 | Aerial fog type super-amphiphobic nano antifouling agent and preparation method thereof |
| CN110628311A (en) * | 2019-08-26 | 2019-12-31 | 北京化工大学 | Preparation method of polyurethane-based transparent antifouling coating |
| CN116875187B (en) * | 2023-07-19 | 2024-08-02 | 常熟理工学院 | Modified self-assembled low-surface-energy organic silicon marine antifouling paint and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431472A (en) * | 1982-03-17 | 1984-02-14 | Wacker-Chemie Gmbh | Method for improving the adhesion of organopolysiloxane elastomers |
| JPS62156172A (en) * | 1985-12-27 | 1987-07-11 | Nippon Oil & Fats Co Ltd | Underwater antifouling coating agent |
| CN1044673A (en) * | 1988-02-15 | 1990-08-15 | 国际公用装饰有限公司 | Prevent the method for marine biofouling |
-
1993
- 1993-07-15 CN CN93108559A patent/CN1040990C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431472A (en) * | 1982-03-17 | 1984-02-14 | Wacker-Chemie Gmbh | Method for improving the adhesion of organopolysiloxane elastomers |
| JPS62156172A (en) * | 1985-12-27 | 1987-07-11 | Nippon Oil & Fats Co Ltd | Underwater antifouling coating agent |
| CN1044673A (en) * | 1988-02-15 | 1990-08-15 | 国际公用装饰有限公司 | Prevent the method for marine biofouling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1097446A (en) | 1995-01-18 |
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