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Phosphorus-free water-based metal cleaning agent

A cleaning agent and metal-based technology, which is applied in the field of metal cleaning agents, can solve the problems of not being able to meet the requirements of environmental protection, cleaning agent waste liquid discharge restrictions, and failing to meet the market, and achieve long service life, excellent cleaning ability, and low foaming. long effect

Active Publication Date: 2013-07-24
SHENYANG PARKERIZING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing water-based metal cleaning agents, due to various reasons such as their formulations, use phosphorus-containing builders and other additives. Although they have a certain cleaning ability, the phosphorus element will cause eutrophication of the environmental water body. The discharge of waste liquid is strictly restricted, which cannot meet the requirements of the market and environmental protection
[0004] On the other hand, although the existing water-based metal cleaning agents have certain antirust properties on metal materials, the antirust period is relatively short, generally 1-3 days, which cannot satisfy the cleaning between processes and does not prevent rust for a long time. processing request

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The raw material has the following components by weight:

[0030] Sodium carbonate 6%,

[0031] Fatty alcohol polyoxyethylene ether 10%,

[0032] EDTA4Na 4%,

[0033] Ether carboxylic acid 5%,

[0034] Monoethanolamine 5%,

[0035] Sodium Petroleum Sulfonate 10%,

[0036] Benzotriazole 1%,

[0037] Block polyether 4%,

[0038] Glycerol 1%,

[0039] Modified siloxane 0.1%,

[0040] water balance;

[0041] in

[0042] Builder adopts sodium carbonate;

[0043] Surfactant adopts fatty alcohol polyoxyethylene ether;

[0044] Chelating agent adopts EDTA4Na;

[0045] The emulsifier adopts ether carboxylic acid and monoethanolamine;

[0046] The antirust agent is barium petroleum sulfonate;

[0047] Copper alloy corrosion inhibitor adopts benzotriazole;

[0048] The penetrating agent adopts block polyether;

[0049] Solubilizer adopts glycerol;

[0050] The defoamer uses modified siloxane.

[0051] The preparation method is as follows: according to the rati...

Embodiment 2

[0053] The raw material has the following components by weight:

[0054] Sodium carbonate 4%,

[0055] Sodium silicate 4%,

[0056] Fatty alcohol polyoxyethylene ether 15%,

[0057] EDTA4Na 4%,

[0058] Ether carboxylic acid 6%,

[0059] Monoethanolamine 6%,

[0060] Sodium Petroleum Sulfonate 10%,

[0061] Benzotriazole 1.5%,

[0062] Block polyether 3%,

[0063] Glycerol 2%,

[0064] Modified siloxane 0.2%,

[0065] water balance;

[0066] in

[0067] Sodium carbonate and sodium silicate are used as detergent builders;

[0068] Surfactant adopts fatty alcohol polyoxyethylene ether;

[0069] Chelating agent adopts EDTA4Na;

[0070] The emulsifier adopts ether carboxylic acid and monoethanolamine;

[0071] Sodium petroleum sulfonate is used as antirust agent;

[0072] Copper alloy corrosion inhibitor adopts benzotriazole;

[0073] The penetrating agent adopts block polyether;

[0074] Solubilizer adopts glycerol;

[0075] The defoamer uses modified siloxane. ...

Embodiment 3

[0078] The raw material has the following components by weight:

[0079] Sodium carbonate 4%,

[0080] Sodium silicate 2%,

[0081] Benzyl alcohol fatty alcohol polyoxyethylene ether 20%,

[0082] EDTA2Na 2%,

[0083] Ether carboxylic acid 4%,

[0084] Monoethanolamine 6%,

[0085] 4-tert-Butylbenzoic acid 10%,

[0086] Benzotriazole 2%,

[0087] Polyoxyethylene ether 4%,

[0088] Ethylene glycol 3%,

[0089] Modified siloxane 0.4%,

[0090] water balance;

[0091] in

[0092] Sodium carbonate and sodium silicate are used as detergent builders;

[0093] Surfactant adopts benzyl alcohol fatty alcohol polyoxyethylene ether;

[0094] Chelating agent adopts EDTA2Na;

[0095] The emulsifier adopts ether carboxylic acid and monoethanolamine;

[0096] The antirust agent adopts p-tert-butylbenzoic acid;

[0097] Copper alloy corrosion inhibitor adopts benzotriazole;

[0098] The penetrating agent adopts polyoxyethylene ether;

[0099] Solubilizer adopts ethylene glycol;...

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PUM

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Abstract

The invention relates to a phosphorus-free metal cleaning agent comprising the components of, by weight, 2-20% of a cleaning aid, 1-20% of a surfactant, 1-10% of a chelating agent, 1-20% of an emulsifier, 1-10% of an antirust agent, 0.2-4% of a copper alloy corrosion inhibitor, 1-10% of a penetration agent, 1-6% of a solubilizing agent, 0.1-0.6% of a defoaming agent, and balance of water. The cleaning agent provided by the invention has excellent cleaning capacity, long rust proof period, low foam, long service life, and the like. The cleaning agent is suitable for ferrous metal and non-ferrous metal processing industries. The agent has the advantages of no volatilization, no irritation, no toxic or harmful substance such as nitrite, no damage to health, and no environment pollution.

Description

technical field [0001] The invention relates to a metal cleaning agent, in particular to a phosphorus-free water-based metal cleaning agent suitable for metal processing. Background technique [0002] Water-based metal cleaning agents are widely used in various industries such as machinery manufacturing and repair, automobile manufacturing and repair, transportation vehicle cleaning, equipment maintenance, electroplating and painting, etc. Water-based metal cleaning agents have become an indispensable process in many industries quality control process. [0003] Existing water-based metal cleaning agents, due to various reasons such as their formulations, use phosphorus-containing builders and other additives. Although they have a certain cleaning ability, the phosphorus element will cause eutrophication of the environmental water body. The discharge of waste liquid is strictly restricted, which cannot meet the requirements of the market and environmental protection. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G5/06
Inventor 张楠董振巍刘宇
Owner SHENYANG PARKERIZING
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