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Modified phenolic resin for environment-friendly thermosetting cooling water curtain and synthesis method

A technology of phenolic resin and thermosetting, which is applied in the field of modified phenolic resin and synthesis of environmentally friendly thermosetting cooling water curtains. It can solve the problems of white latex and urea-formaldehyde resin honeycomb paper, such as water resistance and decreased adhesion, and achieve the use of stirring process. Convenience, quality improvement, and production cost reduction effects

Inactive Publication Date: 2020-09-29
义马瑞能化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems existing in the above-mentioned prior art, solve the water resistance of white latex and urea-formaldehyde resin honeycomb paper, and solve the water absorption of white latex and urea-formaldehyde resin honeycomb paper after long-term contact with water. The problem of the decline in the adhesion of latex and urea-formaldehyde resin honeycomb paper after long-term contact with air

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Applicable to areas south of the Yangtze River:

[0036] Step 1: The parts by weight of raw materials are: 25 parts of natural plant phenol, 50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15 parts of urea; 7 parts of paraffin, 7 parts of melamine;

[0037] Step 2: Add plant phenol and paraffin into the reaction kettle, raise the temperature to 40-45°C and keep for 30 minutes, the plant phenol and paraffin are fully fused, and the plant phenol is modified;

[0038] Step 3: After phenol modification, add formaldehyde and raise the temperature to 45-50°C, and draw in triethylamine;

[0039] Step 4: After pumping in triethylamine, heat up to 55-60°C, pump in melamine for secondary modification, and keep the temperature constant for 60 minutes;

[0040] Step 5: After the constant temperature is over, raise the temperature to 70-75°C and measure the water solubility;

[0041] Step 6: After passing the water solubility, immediately cool down and pump in urea, cool ...

Embodiment 2

[0043] Applicable to areas north of the Yangtze River:

[0044] Step 1: The parts by weight of raw materials are: 30 parts of natural plant phenols, 40 parts of formaldehyde, 0.8 parts of triethylamine, 10 parts of urea; 8 parts of water-based castor oil, 6 parts of lignin; Add castor oil into the reaction kettle, raise the temperature to 40-45°C and keep for 30 minutes, the plant phenol and water-based castor oil are fully fused, and the plant phenol is modified;

[0045] Step 3: After phenol modification, add formaldehyde and raise the temperature to 45-50°C, and draw in triethylamine;

[0046] Step 4: After pumping in triethylamine, heat up to 55-60°C, pump in lignin for secondary modification, and keep the temperature constant for 60 minutes;

Embodiment 3

[0048] Applicable to areas south of the Yangtze River:

[0049] Step 1: The parts by weight of raw materials are: 28 parts of natural plant phenol, 45 parts of formaldehyde, 0.9 part of triethylamine, 13 parts of urea; 5 parts of paraffin, 8 parts of melamine;

[0050] Step 2: Add plant phenol and paraffin into the reaction kettle, raise the temperature to 40-45°C and keep for 30 minutes, the plant phenol and paraffin are fully fused, and the plant phenol is modified;

[0051] Step 3: After phenol modification, add formaldehyde and raise the temperature to 45-50°C, and draw in triethylamine;

[0052] Step 4: After pumping in triethylamine, heat up to 55-60°C, pump in melamine for secondary modification, and keep the temperature constant for 60 minutes;

[0053] Step 5: After the constant temperature is over, raise the temperature to 70-75°C and measure the water solubility;

[0054] Step 6: After passing the water solubility, immediately cool down and pump in urea, cool down...

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PUM

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Abstract

The invention discloses modified phenolic resin for an environment-friendly thermosetting cooling water curtain. The modified phenolic resin comprises the following raw materials: natural plant phenol, formaldehyde, triethylamine, urea and a modifier, wherein 25-30 parts by weight of natural plant phenol, 40-50 parts by weight of formaldehyde, 0.8-0.9 part by weight of triethylamine and 10-15 parts by weight of urea are added; according to the invention, the defects of white latex and urea resin after curing are fully overcome. The resin is thermosetting resin, and does not react with water, air, ultraviolet rays, strong acid and strong base after being cured. The cured resin has the characteristics of stable performance, high strength, strong bonding force, strong weather resistance and the like. The defects that the cooling water curtain honeycomb paper produced from the white latex and the urea-formaldehyde resin is poor in weather resistance, low in water absorption and low in adhesive strength are fully overcome.

Description

technical field [0001] The invention relates to the field of chemical industry and is mainly used in the technical field of production and application of artificial cooling water curtain honeycomb paper, in particular to an environment-friendly modified phenolic resin for thermosetting cooling water curtain and a synthesis method. Background technique [0002] The cooling water curtain honeycomb paper has been in my country for many years. The cooling water curtain honeycomb paper is composed of tiny corrugated paper and resin. The resin produces a firm bond between the corrugated papers, which makes the corrugated paper produce resistance to compression and tension, and promotes the corrugated paper under normal temperature ultraviolet radiation. Stability, water resistance, weather resistance, erosion resistance, improve the service life of honeycomb paper. At this stage, the adhesives of cooling water curtain honeycomb paper are mostly white latex and urea-formaldehyde res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G14/12
CPCC08G14/12
Inventor 白超阳
Owner 义马瑞能化工有限公司
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