CN102363688A - Antifouling paint for underwater coating construction - Google Patents
Antifouling paint for underwater coating construction Download PDFInfo
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- CN102363688A CN102363688A CN2011103510939A CN201110351093A CN102363688A CN 102363688 A CN102363688 A CN 102363688A CN 2011103510939 A CN2011103510939 A CN 2011103510939A CN 201110351093 A CN201110351093 A CN 201110351093A CN 102363688 A CN102363688 A CN 102363688A
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- antifouling paint
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- under water
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Abstract
The invention discloses an antifouling paint for the underwater coating construction. The antifouling paint comprises a component A and a component B, wherein the component A comprises 20-50 parts of a low molecular epoxy resin, 5-20 parts of a plasticizer, 0.05-1 part of an antifoaming agent, 10-25 parts of silicate mineral powder, 15-40 parts of a broad spectrum antifouling agent, 3-15 parts of an auxiliary antifouling agent, 0.5-5 parts of a pigment, and 0.5-5 parts of a thixotroping assistant; and the component B is a curing agent which is a Mannich base curing agent, and the mass of the curing agent accounts for 10-30% of the mass of the component A. According to the invention, the antifouling paint is an environmentally friendly resource conserving paint; the coating construction performance is good; the antifouling paint which allows the coating antifouling performance to be improved has a score of more than 85 when the coating is subjected to shallow sea hanging for six months in Xiamen seas; the underwater coating construction can be carried out through the antifouling paint; the antifouling paint has an antifouling effect on animal sea creatures of barnacle, oyster and mussel, and botanical algae; and the antifouling paint can be brush-coated, scrape-coated, and roll-coated during underwater coating, the paint cannot be scattered, and the coating does not contract after curing.
Description
Technical field
The present invention relates to a kind of coating technology, particularly a kind of antifouling paint of coating decoration under water.
Background technology
Boats and ships and oceanographic engineering when building application antifouling paint; But anti-fouling effect is generally in 3 ~ 5 years, and the depressed place phase of repairing of large ship is 7 ~ 10 years, and be 50 ~ 100 years the life of harbour engineering; And the inefficacy of physical abuse and antifouling coating in use; Cause local stainedly, influence the balance and the stability of boats and ships and oceanographic engineering, and stained marine life adhere to the weight that not only increases construction; And fouling organism causes the destruction of protective coating and quickens the local corrosion of body material, and the structure and the safety of boats and ships and oceanographic engineering is produced the influence that can not be ignored.The more sophisticated way of marine biofouling that prevents is that electrolytic chlorine is antifouling, submarine mechanical is handled and adds the protecting jacket processing except antifouling coating at present, but because the antifouling support equipment of electrolytic chlorine costs an arm and a leg, cost performance is low, only is applicable to privileged sites; Can not prevent that marine life from regrowing after submarine mechanical work of treatment intensity height and the processing; Add protecting jacket and only be applicable to the steel pipe piling of minority neat appearance, can only prevent the marine life growth at position, tidal range district, and the rubbing effect meeting destroys corrosion protection coating, cause the corrosion of steelwork.
Antifouling paint can prevent marine biofouling, guarantees the maneuvering ability and the speed of a ship or plane of boats and ships; Guarantee the stability of oceanographic engineering, and the stained base material that also can quicken corrodes.Long-acting and anti-fouling coating has the antifouling time limit in 5 ~ 7 years, is one of most important product in the marine finish, also is the core technology of marine finish.All there is the long-acting and anti-fouling coating products in each big marine finish company, and product divides from polishing type, lysotype and low surface energy type.
But underwater applicable anti-fouling paint is except requiring coating coating decoration, curing in water, the crucial coating sticking power to base material in water that also is.In practical application, film continuously though some products can underwater curing be difficult to be coated in form on the base material, or have length time of drying, the not high easy delamination of sticking power, be difficult to shortcoming such as construction.
But the solvent-free epoxy heavy-duty anticorrosive coating of the low surface treatment painting under water of the patent CN2008100087508 of Xiamen Shuangrui Shipbuilding Paint Co., Ltd. application is announced a kind ofly to can be used for that low surface treatment is wet with band, anticorrosion being coated with of weight of underwater construction, but is not had antifouling property.
The patent CN200810173673.1 of Guangzhou synchronous chemical industry stock company application is applied to maritime facilities underwater construction curing and anticorrosive antifouling varnish; Announce a kind of underwater construction solidified anticorrosion and antifouling coating that is used for; This patent achievement performance is main with antiseptic property mainly, not mentioned relevant antifouling property.
Summary of the invention
Technical problem to be solved by this invention provides a kind of antifouling paint of coating decoration under water; Spot oceangoing ship and oceanographic engineering underwater sites prevent sea marine organism pollution; But the painting under water construction has good antifouling property, satisfies boats and ships and oceanographic engineering underwater sites antifouling coating maintenance needs.
For the purpose that realizes solving the problems of the technologies described above, the present invention has adopted following technical scheme:
The antifouling paint of a kind of coating decoration under water of the present invention comprises that resin first component and second component are solidifying agent,
Wherein first constituent mass per-cent consists of:
Low-molecular-weight epoxy resin: 20～50
Softening agent: 5～20
Skimmer: 0.05～1
Silicate minerals powder: 10～25
Broad spectrum type stain control agent: 15～40
Auxiliary stain control agent: 3 ~ 15
Pigment: 0.5～5
Thixotroping auxiliary agent: 0.5 ~ 5
Solidifying agent is the Mannich base solidifying agent of first constituent mass 10 ~ 30%.
Described low-molecular-weight epoxy resin, molecular weight are 330 ~ 420, and oxirane value is 0.42 ~ 0.55.
Described thixotroping auxiliary agent is cured type of thixotropic agent of polymeric amide.Further concrete, the thixotroping auxiliary agent is the ULTRA amide waxe of CRAY VALLY company.
Described softening agent is Witcizer 300, o-phthalic acid dibutyl ester, epoxy soybean oil, Uniflex DBS or sebacic acid dibutyl ester.
Described skimmer is BYK-A530.
Described silicate minerals powder is the mineral water-retaining agent, specifically comprises the mixture of Calucium Silicate powder, Magnesium Silicate q-agent or its arbitrary proportion.
Described broad spectrum type stain control agent is the mixture of Red copper oxide, cuprous thiocyanate, ventilation breather or its arbitrary proportion.
Described auxiliary stain control agent also is the special efficacy biocide, comprises the mixture of ZPT, copper pyrithione, zineb or its arbitrary proportion.
Described pigment is red iron oxide, iron oxide black, white titanium pigment, carbon black.
Described Mannich base solidifying agent, amine value 400 ~ 600mgKOH/g, preferred 450 ~ 550 mgKOH/g.
Antifouling paint the key technical indexes of the present invention is seen table 2.
Table 2, underwater applicable anti-fouling paint the key technical indexes
Technical scheme principle of the present invention is:
(1) through adopting low-molecular-weight epoxy resin, softening agent, low viscous solidifying agent, silicate minerals powder to cooperate the high-performance stain control agent to make product of the present invention have lower viscosity and being with the water application under water, guarantees that coating has good construction performance as water-retaining agent.
(2) for solving the thick film problem; We except that select for use thixotropy strong, to the low cured type of thixotropic agent of polymeric amide of coating kinematic viscosity influence; Adopted simultaneously the silicate minerals powder again; Not only can be used as excellent stopping composition but also can play thixotropic transformation, formed the 3 D stereo reticulated structure, make coating have good thixotropy.Thereby realized that kinematic viscosity is low, thixotroping is effective, and one time the application coating thickness can reach 1000 microns not purposes of sagging.
(3) adopt the Mannich base solidifying agent to realize fast setting.Have electronegativity on its nitrogen-atoms of this type solidifying agent, belong to nucleophilic reagent, with the epoxy resin attack time, attack the lower carbon atom of cloud density of positively charged property, cause the C-O bond rupture, ring-opening polymerization takes place.This type solidifying agent also has electronegative hydroxyl, has strengthened the aggressivity to carbon atom in the oxirane ring, quickens ring-opening reaction, thereby improves solidification rate, has realized surface drying time 1h in the time of 25 ℃, does solid work time 3h; Surface drying time 2h during 23 ℃ of underwater environments does solid work the performance requriements of time 18h.
(4) adopting stain control agent and auxiliary stain control agent with broad spectrum is the collocation of special efficacy marine life biocide, guarantees the antifouling property of coating, can have antifouling effect to vegetal alga again to effects such as animality marine life barnacle, extra large oyster, mussels.
(5) adopt solvent-free system, do not have the problem of solvent evaporates when solidifying under water, can play permanently effective provide protection, having overcome that solvent based coating causes owing to solvent can't volatilize under water can't drying.
Non-solvent epoxy underwater applicable anti-fouling paint of the present invention, its preparation method is:
First component technological process of production summary: low-molecular-weight epoxy resin, reactive thinner and high effective antifoaming agent are added in the stainless steel scuffing of cylinder bore; After high speed dispersion is even; Add mineral water-retaining agent, stain control agent, thixotropic agent and tinting pigment again; After high speed dispersion is even, get final product discharging, get final product with packing after the filtration of 80 mesh filter screens;
Second component: directly select satisfactory Mannich base solidifying agent for use;
During use, first and second components are carried out composite according to 100:10 ~ 30, obtain the non-solvent epoxy underwater applicable anti-fouling paint.
The preparation method of first component can see Fig. 1.
Through adopting technique scheme, the present invention has following beneficial effect:
Non-solvent epoxy underwater applicable anti-fouling paint of the present invention belongs to environmentally friendly, resource-conserving coating; Owing to solvent-free, improved the workability of coating; Owing to adopted efficient stain control agent and auxiliary stain control agent, improved the didirtresistance of coating, coating is link plate 6 months in the Xiamen sea area shallow sea, and scoring is more than 85;
Underwater applicable anti-fouling paint of the present invention can carry out coating decoration under water, meets boats and ships and the antifouling coating maintenance technique requirement of oceanographic engineering underwater position;
The present invention adopts broad spectrum type stain control agent and auxiliary stain control agent to cooperate, and guarantees the antifouling property of coating, can have antifouling effect to vegetal alga again to effects such as animality marine life barnacle, extra large oyster, mussels;
The present invention adopts low-molecular-weight epoxy resin, reactive thinner and silicate minerals powder can realize the technical requirements of hygrometric state and painting under water; After epoxy resin and the amine curing agent reaction film forming; Its coating itself has hydroxyl and ehter bond; To enough hygrometric state sticking power being arranged by being coated with the surface, to being coated with lip-deep water very strong competitive adsorption effect is arranged, water drive is evicted from make coating can be coated on substrate surface to form successive and film; Select for use the silicate minerals powder as water-retaining agent, utilize silicate minerals powder and water to play hydration reaction, thereby remaining moisture content in the coating and between coating and the substrate to be coated surface is thoroughly eliminated, to guarantee the firm attachment of coating and base material.Coating of the present invention during application, can adopt brushing, blade coating and roller coat under water; Coating is flowing and rolling and fly away because of water not; Can not shrink behind the coating curing.
Description of drawings
Fig. 1 is the first method for preparing ingredients thereof.
Embodiment
The embodiment of the invention is seen table 3, is mass parts.
Table 3, embodiment
| The first component | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 618 epoxy resin | 0 | 35 | 25 |
| 6101 epoxy resin | 25 | 0 | 17 |
| Witcizer 300 | 5 | 7 | 10 |
| The BYK-A530 skimmer | 0.05 | 0.5 | 1 |
| Red copper oxide | 26.95 | 10 | 0 |
| Cuprous thiocyanate | 0 | 10 | 14 |
| ZPT | 9 | 5 | 3 |
| Polyamide wax | 1 | 2 | 2 |
| Calucium Silicate powder | 20 | 15 | 5 |
| Red iron oxide | 3 | 2 | 5 |
| The second component | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| The Mannich base solidifying agent | 10 | 13.5 | 18 |
Table 4, coating the key technical indexes
Claims (10)
1. the antifouling paint of coating decoration under water comprises that resin first component and second component are solidifying agent, and it is characterized in that: wherein first constituent mass per-cent consists of:
Low-molecular-weight epoxy resin: 20～50
Softening agent: 5～20
Skimmer: 0.05～1
Silicate minerals powder: 10～25
Wide spectrum stain control agent: 15～40
Auxiliary stain control agent: 3 ~ 15
Pigment: 0.5～5
Thixotroping auxiliary agent: 0.5 ~ 5
Solidifying agent is the Mannich base solidifying agent of first constituent mass 10 ~ 30%.
2. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described low-molecular-weight epoxy resin, molecular weight are 330 ~ 420, and oxirane value is 0.42 ~ 0.55.
3. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described thixotroping auxiliary agent is cured type of thixotropic agent of polymeric amide.
4. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described softening agent is Witcizer 300, o-phthalic acid dibutyl ester, epoxy soybean oil, Uniflex DBS or sebacic acid dibutyl ester.
5. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described skimmer is BYK-A530.
6. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described silicate minerals powder is the mixture of Calucium Silicate powder, Magnesium Silicate q-agent or its arbitrary proportion.
7. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described broad spectrum type stain control agent is the mixture of Red copper oxide, cuprous thiocyanate, ventilation breather or its arbitrary proportion.
8. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described auxiliary stain control agent is the mixture of ZPT, copper pyrithione, pyridine zineb or its arbitrary proportion.
9. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described pigment is red iron oxide, iron oxide black, white titanium pigment or carbon black.
10. according to the antifouling paint of the said coating decoration under water of claim 1, it is characterized in that: described Mannich base solidifying agent, amine value are 400 ~ 600mgKOH/g.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643539A (en) * | 2012-04-27 | 2012-08-22 | 常熟市发东塑业有限公司 | Method for preparing antibacterial flame retardant nylon composite material |
| CN103113771A (en) * | 2012-12-10 | 2013-05-22 | 江苏千色花化工有限公司 | Marine coating |
| CN104277424A (en) * | 2014-10-31 | 2015-01-14 | 合肥鼎雅家具有限责任公司 | Strong-thixotropy low dielectric epoxy resin composite material and manufacturing method thereof |
| CN108026395A (en) * | 2015-09-09 | 2018-05-11 | 蓝色技术株式会社 | The antifouling paint and method of lacquering of immersion structure |
| CN109456673A (en) * | 2018-09-27 | 2019-03-12 | 四川承华胶业有限责任公司 | A kind of moisture substrate high resiliency epoxy coating and preparation method thereof |
| CN111604247A (en) * | 2020-05-13 | 2020-09-01 | 武汉钢铁有限公司 | High-precision color-coated sheet film thickness production control method |
| CN112940555A (en) * | 2021-03-09 | 2021-06-11 | 中山大学 | Preparation and application of antifouling agent with characteristic of controllably releasing cuprous ions |
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| WO2005123850A1 (en) * | 2004-06-18 | 2005-12-29 | Hyun Woung Shin | Environment- friendly pollution- proof agent |
| CN101353493A (en) * | 2008-09-12 | 2009-01-28 | 上海开林造漆厂 | Color antifouling paint without cuprous oxide and preparation thereof |
| CN101492586A (en) * | 2008-01-23 | 2009-07-29 | 厦门双瑞船舶涂料有限公司 | Low-surface treatment solvent-free epoxy weight anticorrosion paint capable of painting under water |
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2011
- 2011-11-09 CN CN 201110351093 patent/CN102363688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005123850A1 (en) * | 2004-06-18 | 2005-12-29 | Hyun Woung Shin | Environment- friendly pollution- proof agent |
| CN101492586A (en) * | 2008-01-23 | 2009-07-29 | 厦门双瑞船舶涂料有限公司 | Low-surface treatment solvent-free epoxy weight anticorrosion paint capable of painting under water |
| CN101353493A (en) * | 2008-09-12 | 2009-01-28 | 上海开林造漆厂 | Color antifouling paint without cuprous oxide and preparation thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643539A (en) * | 2012-04-27 | 2012-08-22 | 常熟市发东塑业有限公司 | Method for preparing antibacterial flame retardant nylon composite material |
| CN103113771A (en) * | 2012-12-10 | 2013-05-22 | 江苏千色花化工有限公司 | Marine coating |
| CN104277424A (en) * | 2014-10-31 | 2015-01-14 | 合肥鼎雅家具有限责任公司 | Strong-thixotropy low dielectric epoxy resin composite material and manufacturing method thereof |
| CN108026395A (en) * | 2015-09-09 | 2018-05-11 | 蓝色技术株式会社 | The antifouling paint and method of lacquering of immersion structure |
| CN109456673A (en) * | 2018-09-27 | 2019-03-12 | 四川承华胶业有限责任公司 | A kind of moisture substrate high resiliency epoxy coating and preparation method thereof |
| CN111604247A (en) * | 2020-05-13 | 2020-09-01 | 武汉钢铁有限公司 | High-precision color-coated sheet film thickness production control method |
| CN111604247B (en) * | 2020-05-13 | 2022-05-03 | 武汉钢铁有限公司 | High-precision color-coated sheet film thickness production control method |
| CN112940555A (en) * | 2021-03-09 | 2021-06-11 | 中山大学 | Preparation and application of antifouling agent with characteristic of controllably releasing cuprous ions |
| CN112940555B (en) * | 2021-03-09 | 2022-05-17 | 中山大学 | Preparation and application of antifouling agent with characteristic of controllably releasing cuprous ions |
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