Summary of the invention
Primary and foremost purpose of the present invention is to overcome the shortcoming of prior art with not enough, provide a kind of and can be used for cleaning non-ferrous metal and ferrous metal, preparation technology is simple, cost is low, applied range, to skin and non-stimulated, euosmia and do not contain poisonous or to a kind of phosphate-free metal cleaner of ecological environmental pollution material invariably to human body.
Another object of the present invention is to provide the preparation method of described phosphate-free metal cleaner.
A further object of the present invention is to provide the application of described phosphate-free metal cleaner.
Purpose of the present invention is achieved through the following technical solutions: a kind of phosphate-free metal cleaner, form by following components in mass portion:
20~30 parts of anion surfactant I
5~15 parts of anion surfactant II
25~35 parts of nonionogenic tensides
2~8 parts of phosphorus-free adjuvants
1~5 part of alkaline matter
35~45 parts in water;
The preferred alizarin assistant of described anion surfactant I, C
12~C
18Fatty acid ammonium salt or C
12~C
18At least a in the fatty acid potassium soap;
Described anion surfactant II prepares by the following method: add 1 mass parts liquid fatty acid and 0.1~0.3 mass parts water in the mixed solution of 2~3 mass parts monoethanolamines and 2~3 mass parts diethanolamine composition, the adding speed of liquid fatty acid is 8~12L/min, then heating, the stirring velocity that is heated to after 40~120 ℃ with 40~100rpm stirred 4~10 hours, obtained anion surfactant II;
At least a in preferred oleic acid of described liquid fatty acid or the cocinic acid.
The preferred C of described nonionogenic tenside
12~C
14Fatty alcohol-polyoxyethylene ether (R-O (C
2H
4O)
nH, wherein R:C
12~C
14, number of moles of ethylene oxide n:3~11) or coconut acid diethanolamide at least a;
Described C
12~C
14Fatty alcohol-polyoxyethylene ether is preferably at least a among AEO3, AEO4, AEO5, AEO6, AEO7, AEO8, AEO9, AEO10 or the AEO11;
At least a in the preferred EDTA of described phosphorus-free adjuvant, yellow soda ash, poly (sodium aspartate) (PASP), polyepoxy sodium succinate (PESA) or the maleic acid-acrylic acid copolymer (MA-AA).
At least a in the preferred sodium hydroxide of described alkaline matter, potassium hydroxide, yellow soda ash or the salt of wormwood;
Described water is preferably deionized water;
The preparation method of described phosphate-free metal cleaner may further comprise the steps: with 20~30 mass parts anion surfactant I, 5~15 mass parts anion surfactant II and 25~35 mass parts nonionogenic tenside mixings, obtain A liquid; With 2~8 mass parts phosphorus-free adjuvants, 1~5 mass parts alkaline matter and 35~45 mass parts water mixings, obtain B liquid; With A liquid and B liquid mixing,, obtain described phosphate-free metal cleaner in 40~120 ℃ of stirrings.
The preferred stirring velocity of described stirring is 40~100rpm, and churning time is 6~20 hours.
Described phosphate-free metal cleaner is applied to clean metal;
Described metal includes non-ferrous metal and ferrous metal.
The present invention has following advantage and effect with respect to prior art:
The present invention has cleaning degree height, strong, the low bubble of rust-preventing characteristic, low temperature cleaning performance, can clean non-ferrous metal and ferrous metal simultaneously, technology is simple, and preparation cost is low, and is of many uses, not phosphorous hydrochlorate and nitrite in composition of raw materials, do not contain difficult for biological degradation tensio-active agent and alkylphenol polyoxyethylene yet, nontoxic, the allergic and eye irritant reaction of no human body, to characteristics such as ecotope is pollution-free, market-oriented potentiality are big.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
(1) preparation anion surfactant II: 2Kg monoethanolamine and 2Kg diethanolamine are put in the reactor, add 1Kg cocinic acid (the adding speed of liquid fatty acid is 10L/min) and 0.1Kg deionized water, the stirring velocity that then is heated to after 40 ℃ with 40rpm stirred 10 hours, obtained anion surfactant II.
(2) preparation phosphate-free metal cleaner: add 20 mass parts octadecenic acid potash soaps and 25 mass parts coconut acid diethanolamides in the anion surfactant II of 5 mass parts steps (1) preparation, mixing obtains A liquid; With 1 mass parts potassium hydroxide, 2 mass parts EDTA and 35 mass parts deionized water mixings, obtain B liquid; With A liquid and B liquid mixing, stirred 20 hours with 40rpm in 40 ℃, obtain described phosphate-free metal cleaner.
It is 3% solution that the phosphate-free metal cleaner for preparing is diluted to massfraction with deionized water, metal processing test specimen is cleaned, cleaning temperature is 65~85 ℃, scavenging period is 3min, record cleansing power 〉=98% of prepared phosphate-free metal cleaner, rinsing is good, no visible residue.
Embodiment 2
(1) preparation anion surfactant II: 3Kg monoethanolamine and 3Kg diethanolamine are put in the reactor, add 1Kg oleic acid (the adding speed of liquid fatty acid is 10L/min) and 0.3Kg deionized water, the stirring velocity that then is heated to after 120 ℃ with 100rpm stirred 4 hours, obtained anion surfactant II.
(2) preparation phosphate-free metal cleaner: in the anion surfactant II of 9 mass parts steps (1) preparation, add 23 mass parts alizarin assistants and 29 mass parts C
14Fatty alcohol-polyoxyethylene ether (AEO7) (n=7), mixing obtains A liquid; With 2.5 mass parts sodium hydroxide, 4 mass parts poly (sodium aspartate)s and 40 mass parts deionized water mixings, obtain B liquid; With A liquid and B liquid mixing, stirred 6 hours with 100rpm in 120 ℃, obtain described phosphate-free metal cleaner.
It is 3% solution that the phosphate-free metal cleaner for preparing is diluted to mass fraction with deionized water, metal processing test specimen is cleaned, cleaning temperature is 60~80 ℃, scavenging period is 2~3min, record cleansing power 〉=99% of prepared phosphate-free metal cleaner, rinsing is good, no visible residue.
Embodiment 3
(1) preparation anion surfactant II: 2Kg monoethanolamine and 3Kg diethanolamine are put in the reactor, add 1Kg cocinic acid (the adding speed of liquid fatty acid is 10L/min) and 0.2Kg deionized water, the stirring velocity that then is heated to after 80 ℃ with 80rpm stirred 8 hours, obtained anion surfactant II.
(2) preparation phosphate-free metal cleaner: add 26 mass parts alizarin assistants, 13 mass parts AEO3 and 13 mass parts AEO5 in the anion surfactant II of 12 mass parts steps (1) preparation, mixing obtains A liquid; With 4 mass parts salt of wormwood, 5 mass parts polyepoxy sodium succinates and 42 mass parts deionized water mixings, obtain B liquid; With A liquid and B liquid mixing, stirred 10 hours with 100rpm in 100 ℃, obtain described phosphate-free metal cleaner.
It is 3% solution that the phosphate-free metal cleaner for preparing is diluted to massfraction with deionized water, metal processing test specimen is cleaned, cleaning temperature is 55~80 ℃, scavenging period is 1.5~3min, record cleansing power 〉=98% of prepared phosphate-free metal cleaner, rinsing is good, no visible residue.
Embodiment 4
(1) preparation anion surfactant II: 2.5Kg monoethanolamine and 2.5Kg diethanolamine are put in the reactor, add 1Kg liquid fatty acid cocinic acid (the adding speed of liquid fatty acid is 10L/min) and 0.1Kg deionized water, the stirring velocity that then is heated to after 100 ℃ with 60rpm stirred 6 hours, obtained anion surfactant II.
(2) preparation phosphate-free metal cleaner: in the anion surfactant II of 15 mass parts steps (1) preparation, add 30 mass parts octadecenic acid potash soaps and 35 mass parts C
14Fatty alcohol-polyoxyethylene ether (n:3~11) (AEO9), mixing obtains A liquid; With 5 mass parts potassium hydroxide, 8 mass parts yellow soda ash and 45 mass parts deionized water mixings, obtain B liquid; With A liquid and B liquid mixing, stirred 15 hours with 70rpm in 60 ℃, obtain described phosphate-free metal cleaner.
It is 3% solution that the phosphate-free metal cleaner for preparing is diluted to massfraction with deionized water, metal processing test specimen is cleaned, cleaning temperature is 55~80 ℃, scavenging period is 1.5~2.5min, record cleansing power 〉=99% of prepared phosphate-free metal cleaner, rinsing is good, no visible residue.
Embodiment 5
The preparation phosphate-free metal cleaner, detailed process is as follows: add 30 mass parts octadecenic acid potash soaps and 35 mass parts C in the anion surfactant II of 15 mass parts embodiment, 3 steps (1) preparation
14Fatty alcohol-polyoxyethylene ether (n:3~11) (AEO6, AEO7 and AEO8 press mass ratio and mix at 1: 1: 3), mixing obtains A liquid; With 2 mass parts sodium hydroxide, 3 mass parts potassium hydroxide, 3 mass parts polyepoxy sodium succinates, 5 mass parts maleic acid-acrylic acid copolymers and 45 mass parts deionized water mixings, obtain B liquid; With A liquid and B liquid mixing, stirred 15 hours with 70rpm in 60 ℃, obtain described phosphate-free metal cleaner.
It is 3% solution that the phosphate-free metal cleaner for preparing is diluted to massfraction with deionized water, metal processing test specimen is cleaned, cleaning temperature is 55~80 ℃, scavenging period is 1.5~2.5min, record cleansing power 〉=99% of prepared phosphate-free metal cleaner, rinsing is good, no visible residue.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.