CN1084534A - Water-soluble metal antirusting agent - Google Patents
Water-soluble metal antirusting agent Download PDFInfo
- Publication number
- CN1084534A CN1084534A CN 93111741 CN93111741A CN1084534A CN 1084534 A CN1084534 A CN 1084534A CN 93111741 CN93111741 CN 93111741 CN 93111741 A CN93111741 A CN 93111741A CN 1084534 A CN1084534 A CN 1084534A
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- water
- rust
- metal antirusting
- boric acid
- soluble metal
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- 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.)
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention belongs to a kind of is the metal antirusting agent of main component with inorganic salt.Metallic substance is being carried out antirust processing, adopting oiliness class rust-preventive agent to be applied to material surface, necessary oil removing before welding, paint, electroplating; The water-soluble anti-rust of employing liquid is also arranged, but form compound with the metallic surface atom and influence welding strength, impelling strength and plating smooth finish.The present invention is a main component with the double salt of Sodium Tetraborate and ammonium borate, does not form chemical bond with the metallic surface atom when being applied to the metal material surface film forming, and forms compact protective film, so have stable performance, favorable rust preventing effect, the long characteristics of rust-proof life.It is a kind of water-soluble metal antirusting agent that is applicable to welding, paint, electroplating technology requirement.
Description
The invention belongs to a kind of is the metal antirusting agent of main component with inorganic salt.
Usually, when metallic substance is carried out antirust processing, for example in the middle of to the machining of metallic substance and moulding etc. behind operation or the acid pickling and rust removing, because under many occasions, continue next process as before welding, painting or electroplate, there is certain time interval the centre, it is necessary to metallic element is carried out antirust processing, traditional method adopts organic coating as No. 20 machine oil etc., oil must be removed when descend technology as welding, paint, plating.The water-soluble anti-rust of employing liquid is also arranged, as aqueous solution such as yellow soda ash, Sodium Nitrite, dichromic acid, trolamines as rust protection liquid, owing to form compound with the metallic surface atom, so welding strength, impelling strength and plating smooth finish are produced detrimentally affect, and for example the disclosed rust-preventive agent of Chinese patent application CN86107238A and CN1038470A is owing to also form compound with the metallic surface atom, thereby be unfavorable for carrying out welding processing, thereby reason is to bring deleterious alloying element into weld seam to influence weld seam tensile strength, impelling strength.
The objective of the invention is, a kind of stable performance is provided, favorable rust preventing effect, rust-proof life is long, is applicable to the water-soluble metal antirusting agent of welding, paint, electroplating technology requirement.
The basic technology scheme that realizes the object of the invention is: major ingredient of the present invention is the double salt of Sodium Tetraborate and ammonium borate, and the ratio range (weight) that its raw material contains following composition and each composition is:
1～1.5 part of boric acid
0.6～2 part of ammoniacal liquor (with 25% weight percent meter)
0.1～0.3 part in sodium hydroxide
Method for making is: boric acid and ammoniacal liquor are put together, be heated to boiling, constantly boiling makes reaction complete substantially, adds that sodium hydroxide is driven excess of ammonia gas and the remaining boric acid that neutralizes again, and promptly makes the present invention of mother liquor form.
Consider commercialization, mother liquor can be obtained pressed powder through distillation, cooling, crystallization.
The optimum ratio scope of above-mentioned raw materials component is (weight):
1～1.1 part of boric acid
0.8～0.85 part of ammoniacal liquor (with 25% weight percent meter)
0.12～0.13 part in sodium hydroxide
Further purpose of the present invention is that a kind of metal antirusting agent that there is the antirust processing of greasy dirt metallic substance on the surface that is used for is provided.
Technical scheme-second kind of a technical scheme that realizes further purpose of the present invention is that the present invention contains following composition and content (weight):
Above-mentioned basic technology scheme is mother liquid obtained or raw material is preferred
Mother liquid obtained 7～43 parts of scheme
0.5～1 part of hexamethylenetetramine
0.3～0.5 part of OP-10 emulsifying agent (polyethenoxy alkylphenols)
Method for making is that above-mentioned three kinds of compositions are stirred to get final product.
During use, the present invention adds 1.2～13 parts of dilutions of water for 1 part, makes rust protection liquid, by dipping, spray or brushing, forms skim rust protection liquid rete on the metalwork surface and gets final product.
The present invention has positive effect: (1) is because the present invention is a water-soluble inorganic salt shaped metal rust-preventive agent; rust protection liquid is attached to the metallic surface; after the water evaporates; just form the fine and close protective membrane that is attached to the metallic surface; but stable metal surface pH value reduces the metallic surface oxygen level greatly, plays rust inhibition; when rust protection liquid concentration met or exceeded 10%, rust-proof life can be above 1 month.(2) the present invention is attached to the metallic surface, but does not produce chemical reaction with the metallic surface matrix, can keep the metallic surface smooth, wetting, smooth, road, suitable especially back needs the metal of soldering, and do not need before the soldering the rust protection liquid flush away, can directly carry out soldering, welding property is further improved.(3) the rust-preventive agent processing performance is good, can mix with arbitrary proportion with water, solution can use repeatedly, rust protection liquid is after use the metallic surface, moist, more moistening, bring convenience to machining, clean simultaneously also more convenient, only need with metal in about 40 ℃ of warm water, soak 30 seconds to 1 minute can be with the rust protection liquid Ex-all.(4) the present invention can be applicable to the antirust processing of steel rust prevention and non-ferrous metal such as copper material, aluminium etc.
Below in conjunction with embodiment invention is further described.
Embodiment 1,
Take by weighing boric acid 1kg respectively, measure 27%(weight) strong aqua 900ml, claim caustic soda 30g, boric acid, ammoniacal liquor are added successively in the there-necked flask of 500 liters, be heated to boiling, continue about 30 minutes, slowly add caustic soda 30g altogether, add 5g at every turn, added once in per 20 minutes, add altogether 6 times, reheat makes mother liquor to seething with excitement 20 minutes.
If consider commercialization, can be cooled to again below 20 ℃, spontaneous nucleation, oven dry makes the 0.8kg pulvis.
Embodiment 2,
Take by weighing boric acid 1kg, measure 25%(weight) strong aqua 100ml, take by weighing caustic soda 36g, make mother liquor by method shown in the embodiment 1, difference is, when adding caustic soda, adds 6g at every turn, all the other are identical.
The mother liquor that makes is put into reactor, take by weighing hexamethylenetetramine 80g and add reactor, measure OP-10 emulsifying agent 50ml and add reactor, stir, be heated to 40 ℃, promptly make the present invention.
Embodiment 3,
The mother liquor method for making, joins in the reactor of existing 7000ml water the mother liquor that makes with embodiment 2, takes by weighing hexamethylenetetramine 70g and adds reactor, measures OP-10 emulsifying agent 40ml again and adds reactor, stirs, and is heated to 40 ℃, can make the present invention.Can be used as rust protection liquid directly uses.
Application examples 1,
The rust protection liquid that makes q.s by embodiment 3 is to soft steel B
2F, brass H59 spray respectively or the rust prevention test of immersion in liquid preventives agent, can be heated to about 40 ℃ to use, and spray gets final product to evenly being coated with full or soaking 2 seconds.Be placed in humidity (humidity average out to 65%), the dark environment and test.Test-results sees Table 1 " batch soft steel B
2The antirust recorder of F steel pipe " and table 2 " the antirust recorder of brass H59 ".
Application examples 2,
To soak the B of rust-preventive agent
2The F steel pipe, weld (soldering) after, welding strength, toughness impact value are higher than mother metal, the joint breaking time average prolonged 20 minutes when bicycle frame toughness was impacted.Painting paint film combining power test (pressing QB/T1218-91), mainly is to carry out shock test and scratch test, and the shock test way is: with a spherical steel hammer of heavy 50 grams, diameter is 12 millimeters, vertically fall check result, the flawless phenomenon of its paint film from one meter eminence.Scratch test method: the cut plate is pressed on steel disc B
2On the F, draw 6 in the streak that length is 20mm in a direction earlier with No. 18 needles, draw 6 in streak more in vertical direction, brush in-motion viewing with banister brush on cut then and examine, paint film is complete, no obscission.Description of test, paint paint film bonding force meets the requirements.
Application examples 3,
The galvanization coating bonding force is tested (pressing QB/T1217-91), with B
2After the F steel pipe soaked rust protection liquid, chrome-plating method was electroplated routinely, after plating is good, carried out scratch test and thermal cycling test.At first be scratch test, with No. 14 needles coating surface with 1 square millimeter in cut to the metallic matrix floor, provoke wherein any plated film to coming off with needle point then, the test back finds, do not cause it around plated film come off.Next is to carry out thermal cycling test, and chromed steel pipe is placed in the thermostat container,, is chilled to room temperature and keeps 2 hours after 2 hours with 45 ℃ of constant temperature, is warming up to 45 ℃ of constant temperature again 2 hours, and plated film does not have perk, comes off, and shows that binding force of cladding material is good.
(carried forward)
Claims (3)
1, a kind of water-soluble metal antirusting agent is characterized in that, major ingredient is the double salt of Sodium Tetraborate and ammonium borate, and the ratio range (weight) that its raw material contains following composition and each composition is:
1～1.5 part of boric acid
0.6～2 part of ammoniacal liquor (with 25% weight percent meter)
0.1～0.3 part in sodium hydroxide
Boric acid and strong aqua are put together, be heated to boiling, constantly boiling makes reaction complete substantially, adds that sodium hydroxide is driven excess of ammonia gas and the remaining boric acid that neutralizes again, and promptly makes the present invention of mother liquor form.
2, a kind of water-soluble metal antirusting agent according to claim 1 is characterized in that, the optimum ratio scope (weight) of described each composition of raw material is as follows:
1～1.1 part of boric acid
0.8～0.85 part of ammoniacal liquor (with 25% weight percent meter)
0.12～0.13 part in sodium hydroxide
3, a kind of water-soluble metal antirusting agent is characterized in that, contains following composition, and each proportioning components scope is (weight):
By 7～43 parts in claim 1 or 2 described mother liquors
0.5～1 part of hexamethylenetetramine
0.3～0.5 part of OP-10 emulsifying agent
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111741 CN1084534A (en) | 1993-09-11 | 1993-09-11 | Water-soluble metal antirusting agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111741 CN1084534A (en) | 1993-09-11 | 1993-09-11 | Water-soluble metal antirusting agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1084534A true CN1084534A (en) | 1994-03-30 |
Family
ID=4989501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93111741 Pending CN1084534A (en) | 1993-09-11 | 1993-09-11 | Water-soluble metal antirusting agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1084534A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329685A (en) * | 2011-08-29 | 2012-01-25 | 溧阳市超强链条制造有限公司 | Antirust fluid for preventing metal parts from being rusted and preparation method thereof |
| CN106986350A (en) * | 2017-03-30 | 2017-07-28 | 广东工业大学 | A kind of double salt Boratex ammonium and preparation method thereof |
| CN109735885A (en) * | 2019-03-12 | 2019-05-10 | 珠海市玛斯特锌镍加工有限公司 | Anti-corrosive technology before a kind of plating of steel-iron components |
-
1993
- 1993-09-11 CN CN 93111741 patent/CN1084534A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329685A (en) * | 2011-08-29 | 2012-01-25 | 溧阳市超强链条制造有限公司 | Antirust fluid for preventing metal parts from being rusted and preparation method thereof |
| CN102329685B (en) * | 2011-08-29 | 2013-04-17 | 溧阳市超强链条制造有限公司 | Antirust fluid for preventing metal parts from being rusted and preparation method thereof |
| CN106986350A (en) * | 2017-03-30 | 2017-07-28 | 广东工业大学 | A kind of double salt Boratex ammonium and preparation method thereof |
| CN109735885A (en) * | 2019-03-12 | 2019-05-10 | 珠海市玛斯特锌镍加工有限公司 | Anti-corrosive technology before a kind of plating of steel-iron components |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |