A kind of modified melamine formaldehyde resin impregnation solution and its preparation method and application
A technology of melamine and formaldehyde resin, which is applied in the direction of impregnating wood, wood impregnation, manufacturing tools, etc., can solve the problems of inability to achieve effective bonding, etc., and achieve good surface wear resistance, high peel strength, and good surface burning resistance Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0040] The melamine-formaldehyde resin impregnating liquid is composed of 350 parts by mass of melamine, 410 parts of formaldehyde, 15 parts of urethane, 10 parts of propylene glycol, 10 parts of ethanol, 200 parts of water and 60 parts of modifier.
[0041] Among them, the modifier is composed of water-based polyurethane, fatty alcohol ether phosphate ester salt, isopropanol, and aminopropyltriethoxysilane. According to the parts by mass, the composition is as follows: 10 parts of water-based polyurethane, 2 parts of fatty alcohol ether phosphate ester salt, 65 parts of isopropanol, and 20 parts of aminopropyltriethoxysilane.
[0042] The present invention also provides a preparation method of the dipping solution, the specific preparation method is:
[0043] (1) In the reaction kettle, first add formaldehyde and water according to the mass ratio, start the agitator, and adjust the pH value of the reaction solution to 8.5 to 9.2 with 30% NaOH aqueous solution under stirring c...
Embodiment 2
[0074] The melamine formaldehyde resin impregnating solution is composed of 320 parts of melamine, 400 parts of formaldehyde, 18 parts of urethane, 15 parts of propylene glycol, 8 parts of ethanol, 180 parts of water and 50 parts of modifier according to the parts by mass.
[0075] Among them, the modifier is composed of water-based polyurethane, fatty alcohol ether phosphate ester salt, isopropanol, and aminopropyltriethoxysilane. According to the parts by mass, the composition is as follows: 10 parts of water-based polyurethane, 3 parts of fatty alcohol ether phosphate ester salt, 60 parts of isopropanol, and 15 parts of aminopropyltriethoxysilane.
[0076] The preparation method of the dipping solution of the present invention is the same as in Example 1.
[0077] The preparation method of the impregnated paper is only to change the step (4) of the embodiment 1 to start the impregnated equipment, impregnate the medium paper, and prepare the impregnated paper.
[0078] The ...
Embodiment 3
[0085] The melamine-formaldehyde resin impregnating liquid is composed of 380 parts by mass of melamine, 450 parts of formaldehyde, 12 parts of urethane, 8 parts of propylene glycol, 15 parts of ethanol, 220 parts of water and 80 parts of modifier.
[0086] Among them, the modifier is composed of water-based polyurethane, fatty alcohol ether phosphate ester salt, isopropanol, and aminopropyltriethoxysilane. According to the parts by mass, the composition is as follows: 10 parts of water-based polyurethane, 3 parts of fatty alcohol ether phosphate ester salt, 70 parts of isopropanol, and 15 parts of aminopropyltriethoxysilane.
[0087] The preparation method of the dipping solution of the present invention is the same as in Example 1.
[0088] The preparation method of the impregnated paper is only to change the step (4) of the embodiment 1 to start the impregnated equipment, impregnate the medium paper, and prepare the impregnated paper.
[0089] The impregnated paper prepare...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 

