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Non-phosphate degreasant

A technology of degreasing agent and emulsifier, applied in detergent composition, surface active detergent composition, inorganic/elemental detergent composition, etc., can solve the problems of complicated manufacturing process, long manufacturing process, and large energy consumption, and achieve Convenience and energy saving effect

Active Publication Date: 2008-12-03
CHANGSHU HUAYE STEEL STRIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the harsh requirements of the selected raw materials, it poses troubles to the manufacturing. The specific performance is that the manufacturing process is complex, such as the use of reactor steam to heat and stir, the manufacturing process is long, and the energy consumption is large. Therefore, it is not suitable for enterprises to self-use on the production line.

Method used

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  • Non-phosphate degreasant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1.8 parts of sodium lignosulfonate;

[0023] 1 part of fatty alcohol ethoxylate A;

[0024] Carbonyl alcohol ethoxylate 1.2 parts;

[0025] 2 parts of LW20 self-defoaming emulsifier;

[0026] 20 parts of sodium hydroxide;

[0027] Sodium citrate 2 parts;

[0028] 5 parts of sodium carbonate;

[0029] 6 parts of sodium silicate nonahydrate;

[0030] 50 parts of water.

[0031] The above-mentioned raw materials can be put into use by manual stirring, and the applicable temperature for use is 35°C. In this example, the fatty alcohol ethoxylate A is Lutensol XL70 C10 fatty alcohol produced and sold by BASF. Ethoxylates, the carbonyl alcohol ethoxylates are Lutensol TO10 C13 carbonyl alcohol ethoxylates produced and sold by BASF,

Embodiment 2

[0033] 2.5 parts of sodium lignosulfonate;

[0034] 1.6 parts of fatty alcohol ethoxylate B;

[0035] 2.9 parts of carbonyl alcohol ethoxylates;

[0036] 1.5 parts of LW20 self-defoaming emulsifier;

[0037] 15 parts of sodium hydroxide;

[0038] 3 parts sodium citrate;

[0039] 3 parts sodium carbonate;

[0040] 9.5 parts of sodium silicate nonahydrate;

[0041] 60 parts of water.

[0042] The fatty alcohol ethoxylate B is Lutensol XA50 C10 fatty alcohol ethoxylate produced and sold by BASF, and the applicable temperature is 45°C. All the other are the same as the description of embodiment 1.

Embodiment 3

[0044] Sodium lignosulfonate 2 parts;

[0045] 0.5 part of fatty alcohol ethoxylate compound A;

[0046] 2.7 parts of fatty alcohol ethoxylates B;

[0047] Carbonyl alcohol ethoxylate 1 part;

[0048] 5 parts of LW20 self-defoaming emulsifier;

[0049] 24.2 parts of sodium hydroxide;

[0050] 0.6 parts of sodium citrate;

[0051] Sodium carbonate 1 part;

[0052] 2 parts of sodium silicate nonahydrate;

[0053] 42 parts of water.

[0054] The above-mentioned raw materials are suitable for use at a temperature of 20°C. All the other are the same as the description of embodiment 1.

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Abstract

The invention relates to a non-phosphate degreasant belonging to the surface cleaning agent technology field of metallic material, which comprises the raw materials by weight parts as follows: a surface active agent is 1 to 15 parts, a self-defoaming emulsifier is 1 to 5 parts, sodium hydroxide is 15 to 25 parts, sodium citrate is 0.1 to 3 parts, sodium carbonate is 0.1 to 5 parts, 9H2O-sodium silicate is 1 to 10 parts, and water is 40 to 99 parts. The non-phosphate degreasant has the advantages that all raw materials of the degreasant are easy to get in the market; various raw materials can be used only through evenly stirring by hand or mechanically without fussy manufacturing process just like the prior art, thereby satisfying the convenient and time-saving requirements for self-making and self-consumption on a product line of a zincification enterprise; the adaptive temperature ranges from 20 to 48 DEG C (the adaptive temperature of the degreasant in the prior art ranges from 50 to 80 DEG C), and the advantage of saving energy sources is realized.

Description

technical field [0001] The invention belongs to the technical field of metal material surface cleaning agents, and in particular relates to a phosphorus-free degreasing agent. Background technique [0002] Since there is rolling oil stain left during rolling on the surface of the hot-rolled coil, when the surface of the hot-rolled coil is hot-dip galvanized by the hot-dip galvanizing unit, the oil stain left during rolling must be removed first, otherwise the guarantee cannot be guaranteed. The quality of galvanizing, and then it is impossible to obtain a galvanized layer with bright and clear, excellent bonding force and good corrosion resistance. The degreasing agent plays the role of removing oil stains on the surface of the plate. Phosphorus-free degreasing agents are widely used in the industry because of the environmental impact of phosphorus-containing degreasing agents. [0003] Chinese Patent Authorization Announcement No. CN1118554C recommends a non-phosphorus deg...

Claims

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Application Information

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IPC IPC(8): C23G1/14C11D1/00C11D3/10
Inventor 王珏郑文芳
Owner CHANGSHU HUAYE STEEL STRIP
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