CN1833009A - Additive for ship bottom paint and ship bottom paint comprising the same - Google Patents
Additive for ship bottom paint and ship bottom paint comprising the same Download PDFInfo
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- CN1833009A CN1833009A CN 200480022398 CN200480022398A CN1833009A CN 1833009 A CN1833009 A CN 1833009A CN 200480022398 CN200480022398 CN 200480022398 CN 200480022398 A CN200480022398 A CN 200480022398A CN 1833009 A CN1833009 A CN 1833009A
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Abstract
An additive for a ship bottom paint, characterized in that it comprisees a fly ash being pulverized so as to have a particle size of 1 to 12 mum on average and a dried powder of diatormaceous earth, preferably a beer yeast diatomaceous earth in a weight ratio of the pulverized fly ash and the diatomaceous earth powder of (7 to 3) : 1; and a ship bottom paint comprising the additive.
Description
Technical field
The ship-bottom paint that the present invention relates to be used to reduce the shellfish that is attached to hull bottom is with additive and the ship-bottom paint that contains this additive.
Background technology
In order to reduce shellfish, the various coating that prevent that shellfish from adhering to have been proposed to boats and ships, marine structure, other adhesive abilities at the various equipment of marine use.
At present, in order to prevent adhering to of shellfish that propose to have added the coating of organo-tin compounds such as tributyl tin, and come into operation, but occur the problem that above-mentioned organo-tin compound causes pollution of the sea in recent years, its use is under an embargo.
The anti-algae that patent documentation 1 has proposed to make the mineral-type antiseptic-germicide that contains silver and/or copper roughly to be dispersed in equably in the water tolerance coating prevents shellfish coating.
Patent documentation 2 has proposed to contain the coating that algae and shellfish adhere to that prevents of negatively charged ion radioactive substances such as far infrared radioactivity material, tourmalinite such as pottery and garlic powder.
Patent documentation 3 has proposed the coating that prevents biological attachment of mictomagnetism material in conductive coating paint.
But the coating of above-mentioned prior art uses expensive material, and patent documentation 1 and 3 is the coating that contains metal, causes thus filming heavily, can't bring into play and the abundant effect of expecting to conform to.
Patent documentation 1: the spy opens flat 11-349974 communique
Patent documentation 2: the spy opens flat 8-218004 communique
Patent documentation 3: the spy opens the 2001-29818 communique
Summary of the invention
Problem of the present invention provides and uses cheapness and light-weight material, be used to prevent or reduce shellfish to the ship-bottom paint that adheres to of hull bottom with additive and the ship-bottom paint that contains this additive.
The inventor finds that flying dust and the diatomaceous dried powder that mean particle size is 1～12 μ m formed by being ground into, its weight ratio is (7～3): can obtain solving the ship-bottom paint additive of above-mentioned problem at 1 o'clock.And discovery particularly advantageous when diatomite is cereuisiae fermentum diatomite.
The invention still further relates to and forming branch content admittedly with coating is the ship-bottom paint that benchmark contains the above-mentioned additive of 3 weight %～10 weight %.
Additive of the present invention prevents except performance or reduces shellfish or the excellent effect of adhering to of algae to hull bottom or marine structure, owing to use as the flying dust of waste and diatomite, preferably beer yeast diatomite, solved the offal treatment problem thus at an easy rate, again because two kinds of compositions all are light-weight, therefore by filming and the comparison of forming by the coating that contains metal of filming that the coating of making is as described above formed, weight significantly lightens, so can bring into play the excellent effect that the ship burden that is coated is reduced.
Embodiment
Flying dust is meant spherical particle dust tiny in the flue gas of coal firing boilers such as coal-fired station, usually particle diameter is 1～200 μ m, median size is approximately 20 μ m, with silicon-dioxide and aluminum oxide is main component (the two accounts for 70～80% altogether), also contains Mg, the Ca of a spot of ferric oxide and trace, the oxide compound of P, Ti.Flying dust contains noncrystalline (vitreous state) material that the melts quenching produces and crystallinity mineral substance quartz, mullite etc.The also known low crystalline material malthacite that contains based on water and pure aluminium silicate.
The flying dust that uses among the present invention is that to be ground into mean particle size be 1～12 μ m, preferred 1～8 μ m, preferred especially 1～5 μ m, the particle of 2～4 μ m most preferably.The particle of the same particle sizes that obtains by classification flying dust simply can not be realized purpose of the present invention.The pulverizing of flying dust can utilize jet mill to carry out.Mean particle size is less than the flying dust of the 1 μ m expense costliness when pulverizing, and is difficult to sneak into coating.Mean particle size can not reach enough effects greater than the flying dust of 12 μ m.
The diatomite that uses among the present invention is dried powder, can with preferred 1～100 μ m of the well-mixed granularity of flying dust that uses among the present invention.Diatomite powder is under the situation of cereuisiae fermentum diatomite dried powder, the powder that the cereuisiae fermentum diatomite drying that can use cereuisiae fermentum to use in filtering obtains.
Flying dust and diatomite dried powder, preferably the blending ratio with cereuisiae fermentum diatomite dried powder is (7～3): 1, preferred (6～4): 1, and wherein 5: 1st, favourable.The blending ratio of flying dust and diatomite powder was greater than 7: 1 or all can not reach effect of sufficient less than 3: 1.
Ship-bottom paint of the present invention can followingly be implemented with the preparation of additive: utilize the mixing device mechanically mixing or manual mixing is ground into 1～12 μ m in container pulverizing flying dust and exsiccant diatomite powder.This moment, two kinds of composition thorough mixing were important.
Admittedly form of the present invention above-mentioned additive 3 weight %～10 weight %, preferred 3 weight %～8 weight %, preferred especially 4 weight %～7 weight % that branch content is benchmark with coating and can prevent or reduce shellfish and algae by sneaking in the coating alow adhering to that hull bottom is filmed.Even sneak into to greater amount above-mentioned additive, also can prevent or reduce adhering to of shellfish and algae, but owing to the increase of coating strength along with mixed volume descends, so not preferred.
The effect that additive of the present invention is realized is in theory also not fully aware of, the inventor has carried out repetition test, the malthacite that is conceived to exist in the flying dust, at diatomite is under the situation of cereuisiae fermentum diatomite powder, yeast in wherein is conceived to survive, find to sneak in right amount in the coating, can obtain excellent effect by above-mentioned two kinds of compositions are mixed according to above-mentioned blending ratio.
The coating that uses among the present invention is ship-bottom paint, particularly at the normally used coating of the boat bottom that comprises the boats and ships boot topping, except that base paint, intermediate layer coating and investment precoat that hull bottom is used, also have putty.As an example, comprise polyurethane coating, for example the KCEPO-ELAST intermediate layer coating of Kansai Paint Co., Ltd, KC EPO-ELAST50, KC EPO-ELAST100; The RUBBER-MARINE AF of chlorinated rubber resin, for example Kansai Paint Co., Ltd and RUBBER-MARINE AF100; The KCPRIMER of Resins, epoxy, for example Kansai Paint Co., Ltd, KC EPO-NC and KC EPO intermediate layer coating; The NU-CURRENT and the NU-CREST of vinyl tar epoxies protective system, non-tar based epoxy resin heavy-duty coating, vinyl antifouling paint, propylene class antifouling paint, hydration decomposition type coating, for example Kansai Paint Co., Ltd; Also has chlorinatedpolyolefins (chlorinated rubber class) coating.Additive of the present invention also may be mixed in in the priming paint and is coated with, but is mixed near being favourable in the investment precoat of shellfish attachment surface and/or the base paint.
Except additive of the present invention, can also cooperate thermoplastic resin, various softening agent, pigment extender, tinting pigment, rust-stabilising pigment, solvent, curing catalyst, viscosity modifier, thixotropic agent, precipitation to prevent agent etc. in the coating.
Coating of the present invention can be coated on hull bottom (comprising boot topping) by ordinary methods such as hydraulic spraying, aerial spraying, brushing, roller coating.
Glue spread is according to the difference of the kind of ship, kind, the combination of the coating of coating repeatedly and difference, usually with 100g/800g/m
2Amount be coated with, dry coating is 30～500 μ m, preferred 50～300 μ m.
The coating that contains additive of the present invention has more than and is limited to the coating boats and ships, can also coat marine structure, for example buoy, bridge etc. and play a role.
Utilize embodiment that the present invention is described in further detail below, but the present invention is not limited to the following examples.
Embodiment 1:
The ship-bottom paint preparation of additive
A) preparation of pulverizing flying dust
1) utilizing the mean particle size of the described size-grade distribution of jet mill pulverizing table 1 is the flying dust of 34.66 μ m, and obtaining same mean particle size in the size-grade distribution described in the table 1 is the pulverizing flying dust of 2.53 μ m.
Table 1
| Size-grade distribution | 10％ | 20％ | 30％ | 40％ | 50％ | 60％ | 70％ | 80％ | 90％ | 99％ |
| The raw material flying dust | 4.30 μm | 7.36 μm | 11.58 μm | 17.29 μm | 23.46 μm | 30.92 μm | 40.75 μm | 54.54 μm | 79.24 μm | 175.2 μm |
| Pulverize flying dust | 1.56 μm | 1.82 μm | 2.04 Mm | 2.24 μm | 2.43 μm | 2.64 μm | 2.87 μm | 3.16 μm | 3.60 μm | 4.94 μm |
2) with 1) mean particle size that obtains having the described size-grade distribution of table 2 in the same manner is the pulverizing flying dust of 4.172 μ m.
Table 2
| Size-grade distribution | 10％ | 20％ | 30％ | 40％ | 50％ | 60％ | 70％ | 80％ | 90％ | 99％ |
| Pulverize flying dust | 3.66 μm | 4.42 μm | 5.01 Mm | 5.53 μm | 6.03 μm | 6.55 μm | 7.13 μm | 7.87 μm | 9.03 μm | 12.0 μm |
3) with 1) mean particle size that obtains having the described size-grade distribution of table 3 in the same manner is the pulverizing flying dust of 1.91 μ m.
Table 3
| Size-grade distribution | 10％ | 20％ | 30％ | 40％ | 50％ | 60％ | 70％ | 80％ | 90％ | 99％ |
| Pulverize flying dust | 1.62 μm | 1.89 μm | 2.12 Mm | 2.34 μm | 2.56 μm | 2.79 μm | 3.06 μm | 3.40 μm | 3.90 μm | 5.39 μm |
B) the diatomaceous preparation of cereuisiae fermentum:
To obtain the powder of average 7.1 μ m sizes from the used cereuisiae fermentum diatomite that beer commercial firm buys after dry 2 weeks.
C) modulation of additive:
Mix 50 weight parts above-mentioned 1 with mixing machine) pulverizing flying dust and 10 weight part cereuisiae fermentum diatomite powders, obtain ship-bottom paint with additive 1).
Mix 70 weight parts above-mentioned 2 with mixing machine) pulverizing flying dust and 10 weight part cereuisiae fermentum diatomite powders, obtain ship-bottom paint with additive 2).
Mix 40 weight parts above-mentioned 3 with mixing machine) pulverizing flying dust and 10 weight part cereuisiae fermentum diatomite powders, obtain ship-bottom paint with additive 3).
The preparation of ship-bottom paint:
1) preparation of coating A:
Cooperate 600 weight part Resins, epoxy KC BARRIER (Northwest coating), 100 weight part rosin, 100 weight part talcums, 100 parts by weight of titanium dioxide, 50 weight part red iron oxides and 50 weight part thixotropic agent, be mixed to homogeneous.
2) preparation of coating B:
Cooperate 700 weight part chlorinated rubber resin RUBBER-MARINE AF (Northwest coating), 250 weight part red iron oxides and 50 weight part thixotropic agent, be mixed to homogeneous.
3) preparation of coating C:
Cooperate 700 weight part urethane resin KC EPO-ELAST 100 (Northwest coating), 250 weight part talcums and 50 weight part thixotropic agent, be mixed to homogeneous.
Ground as described in Table 4 compo A, B and C and above-mentioned ship-bottom paint are with additive 1), 2) and 3), the modulation ship-bottom paint carries out following test.
The performance test of ship-bottom paint:
This test is roughly carried out based on JIS K5630.That is,,, carry out sandblasting and remove soft system iron scale powder rust etc. after the drying with the calendering mild steel plate stain that grades that oils between the heat of thinner wiping 300mm * 300mm * 3.2mm with coating, making the surface of handling is canescence, and surfaceness is 70S.Preserving test board makes it not be exposed in the moisture, based on JIS K5400, utilize to brush once to be coated with base paint SD ZINC 1000HA (Northwest coating), making dry coating thickness is 13.5 μ m, after the drying, based on JIS K5634, four brushing steel ship outside plate vinyl chloride resin coating thereon obtain the dry coating of 105 μ m, at last, every kind of coating that the secondary brushing is above-mentioned obtains the dry coating of 40 μ m, makes shellfish adhiesion test body.At above-mentioned test body, carry out towards the good seashore of the sunlight in south, gulf, Vancouver 6 months and 1 year based on JIS K5630 soak the sea test, measure the attachment state of shellfish.Each is tested coating and all makes 3 test bodies, gets its mean value, and measurement result is summarized in table 4.
＜shellfish adhiesion test 〉
◎: do not have the shellfish adhere to, or shellfish adheres to quantity and is less than or equal to 4.
Zero: it is 5～10 that shellfish adheres to quantity.
△: it is 11～20 that shellfish adheres to quantity.
*: the shellfish that adheres to is very many.
Table 4
| Test number | Coating | Additive | Prevent the shellfish adhesion property | |||
| Kind | Amount (weight %) | The additive numbering | Addition (weight %) | 6 months | 1 year | |
| 1 (comparative example) | A | 100 | 0 | × | - | |
| 2 | A | 95 | 1 | 5 | ◎ | ◎ |
| 3 | A | 93 | 1 | 7 | ◎ | ◎ |
| 4 | A | 97 | 1 | 3 | ◎ | ○ |
| 5 (comparative examples) | A | 98 | 1 | 2 | ○ | △ |
| 6 (comparative examples) | B | 99 | 2 | 1 | △ | - |
| 7 | B | 93 | 2 | 7 | ◎ | ◎ |
| 8 | B | 95 | 2 | 5 | ◎ | ◎ |
| 9 (comparative examples) | C | 87 | 3 | 13 | ◎ | ◎ |
| 10 | C | 97 | 3 | 3 | ◎ | ○ |
| 11 | C | 94 | 3 | 6 | ◎ | ◎ |
| 12 (comparative examples) | C | 98 | 3 | 12 | ◎ | ◎ |
Can judge by the testing data in the above-mentioned table, under the situation of additive capacity less than the test number 5 of 3 weight % and 6,, can not reach satisfied result though have the effect of the degree that can infer the additive effect.Under the situation of the addition of additive greater than the test number 9 of 10 weight % and 12, though can prevent or reduce adhering to of shellfish and algae, coating strength descends, under the situation of test number 9, sneaking into and undercompounding in coating, under the situation of test number 12, coating strength descends.Under the test number 2～4,7,8,10 and 11 situation of additive capacity in the scope of 3 weight %～10 weight %, which kind of coating no matter, the effect of additive all is tangible.Test number 1 is the test-results of not adding the coating A of additive fully, by this test-results as can be known contain be less than or coating more than the additive of the scope of the invention in, additive also works.
But additive capacity can obtain preventing of satisfaction or reduce shellfish and effect that algae adheres to and the coating strength and the coating Combination of being satisfied with in the scope of 3 weight %～10 weight %.
Claims (3)
1, a kind of ship-bottom paint additive is characterized in that, described additive is made up of flying dust that is ground into granularity average out to 1～12 μ m and diatomaceous dried powder, and the weight ratio of pulverizing flying dust and diatomite powder is (7～3): 1.
2, ship-bottom paint additive as claimed in claim 1, wherein, diatomaceous dried powder is the cereuisiae fermentum diatomite powder.
3, a kind of ship-bottom paint, it is benchmark that this coating forms branch content admittedly with coating, contains 3 weight %～10 weight % claims, 1 or 2 described additives.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49279703P | 2003-08-05 | 2003-08-05 | |
| US60/492,797 | 2003-08-05 | ||
| JP365020/2003 | 2003-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1833009A true CN1833009A (en) | 2006-09-13 |
| CN100381509C CN100381509C (en) | 2008-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800223983A Expired - Fee Related CN100381509C (en) | 2003-08-05 | 2004-08-04 | Additive for ship bottom paint and ship bottom paint comprising the same |
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| CN (1) | CN100381509C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040448C (en) * | 1993-07-15 | 1998-10-28 | 中国科学院兰州化学物理研究所 | Pollution-free marine coating |
| DE19633413A1 (en) * | 1995-11-01 | 1997-05-07 | Gen Electric | Low viscosity silicone compositions |
| CN1101841C (en) * | 1998-09-23 | 2003-02-19 | 化学工业部海洋化工研究院 | Silicate compound anti-fouling paint |
| JP2000226554A (en) * | 1999-02-05 | 2000-08-15 | Dyupurekkusu Shoji:Kk | Sea water-resistant coating |
| CN1120866C (en) * | 1999-11-05 | 2003-09-10 | 戴钟道 | Paint capable of preventing harmful organisms from attaching |
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2004
- 2004-08-04 CN CNB2004800223983A patent/CN100381509C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN100381509C (en) | 2008-04-16 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI02 | Correction of invention patent application |
Correction item: Priority Correct: 2003.10.24 JP 365020/2003 False: Lack of priority second Number: 37 Page: The title page Volume: 22 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: PRIORITY; FROM: MISSING THE SECOND ARTICLE OF PRIORITY TO: 2003.10.24 JP 365020/2003 |
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Granted publication date: 20080416 Termination date: 20130804 |