Metal surface silicane treating agent containing hexamethylphosphoric triamide and preparing method thereof

A technology of hexamethylphosphoric triamide and silane treatment agent, applied in anti-corrosion coatings, coatings and other directions, can solve the problems of weak metal body holding force, low energy consumption in production process, uneven density, etc. Film quality, high density, low polarization current density effect

Active Publication Date: 2013-04-24
ANHUI LIUFANG ZHONGLIAN MECHANICAL SHARE
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In the field of metal surface treatment, although traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the waste liquid discharged during the treatment process contains heavy metal ions such as zinc, manganese, nickel, chromium and nitrous acid. Salt and other carcinogens are very serious environmental pollution, and metal surface silanization treatment technology is considered to be expected to replace phosphate convers

Method used

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Embodiment 1

[0021] A metal surface silane treatment agent containing hexamethylphosphoric triamide is a mixed solution prepared from the following components, and the weight parts (grams) of each component in each liter of the mixed solution are:

[0022] Anilinomethyltriethoxysilane 45, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 45, water-based nano zinc oxide material 140, glycerin 4, diethylene glycol 3, ethylene glycol mono Butyl ether 4, titanium tetrafluoride 3, hexamethylphosphoric triamide 3, urea 3, citric acid 1, benzotriazole 0.6, and the rest is water;

[0023] The preparation method of described aqueous nano zinc oxide material is:

[0024] (1) Ultrasonic disperse nano-zinc oxide in absolute ethanol 10 times its mass to obtain a dispersion, and then add 3% of its mass of dicumyl peroxide and 2% of anilinomethyltriethoxysilane In the above dispersion liquid, reflux reaction at 90°C for 2 hours, after the reaction, a nano-zinc oxide-ethanol suspension modified by a couplin...

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Abstract

The invention discloses a metal surface silicane treating agent containing hexamethylphosphoric triamide. The metal surface silicane treating agent containing the hexamethylphosphoric triamide is characterized by being a mixed solution which is prepared from following compositions of, by weight in every liter of the mixed solution, 35-45g of aniline methyl triethoxy silicane, 35-45g of N-(beta- aminoethyl)-gamma-aminopropyl trimethoxy silicane, 100-180g of aqueous nanometer zinc oxide material, 3-4g of glycerol, 2-3g of diethylene glycol, 2-4g of ethylene glycol monobutyl ether, 2-3g of titanium tetrafluoride, 2-3g of hexamethylphosphoric triamide, 2-3g of urea, 1-2g of citric acid, 0.3-0.6g of benzotriazole, and the balance water. The metal surface silicane treating agent containing the hexamethylphosphoric triamide has the advantages that, a silicane coating formed on the surface of metal after the metal is processed by using the surface silicane treating agent has good decay resistance, service life of the metal is prolonged, and a compact and firm coating is formed on the surface of the metal by combining the aniline methyl triethoxy silicane and the N-(beta- aminoethyl)-gamma-aminopropyl trimethoxy silicane for use.

Description

technical field [0001] The invention mainly relates to a metal surface silane treatment agent and a preparation method thereof, in particular to a metal surface silane treatment agent containing hexamethylphosphoric triamide and a preparation method thereof. Background technique [0002] In the field of metal surface treatment, although traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the waste liquid discharged during the treatment process contains heavy metal ions such as zinc, manganese, nickel, chromium and nitrous acid. Carcinogens such as salt are very serious to environmental pollution, and metal surface silanization treatment technology is considered to be expected to replace phosphate conversion treatment and chromate passivation treatment because it does not involve substances that are harmful to the environment, the production process has low energy consumption, and the technology has a wide ...

Claims

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Application Information

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IPC IPC(8): C09D183/08C09D7/12C09D5/08
Inventor 王立新
Owner ANHUI LIUFANG ZHONGLIAN MECHANICAL SHARE
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