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Phenol resin for dipping papery decorative antifiring plate in highpressure, and fabricating technique thereof

A phenolic resin and production process technology, used in papermaking, fiberboard, textiles and papermaking, etc., can solve the problems of incompatibility with health, longevity, comfort, high volatile components, indoor air pollution, etc., achieve high strength and reduce pollution. , the effect of simple process

Inactive Publication Date: 2008-11-19
任庆祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main component of the existing phenolic resin used in the production of high-pressure decorative fireproof boards is phenol, which is not only costly, but also has more volatile components after it is made of high-content phenol, which is harmful to indoor air after being used for interior decoration. The pollution of the environment has also increased accordingly, which does not conform to the trend of "health, longevity, and comfort" in modern society

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The weight parts of each component are: melamine 210, phenol 350, formaldehyde 550, methanol 480, ammonia water 20.

[0016] The resin production process is:

[0017] 1. Put phenol and formaldehyde into the reactor and stir, then add ammonia water to adjust the pH value to 7.5;

[0018] 2. Heat up to 38°C, add melamine and continue to heat up to 65°C, test the water solubility of the reaction solution after 40 minutes, and the reaction ends when the water solubility reaches 100%;

[0019] 3. Add methanol and stir, and discharge after natural cooling.

Embodiment 2

[0021] The weight parts of each component are: water 6, caustic soda 2.2, melamine 280, phenol 250, formaldehyde 450, methanol 480, ammonia water 40.

[0022] The resin production process is:

[0023] 1. Put phenol and formaldehyde into the reaction kettle and stir, then add ammonia water and alkaline water dissolved by caustic soda and water, and adjust the pH value to 8;

[0024] 2. Heat up to 42°C, add melamine and continue to heat up to 75°C, test the water solubility of the reaction solution after 60 minutes, and the reaction ends when the water solubility reaches 100%;

[0025] 3. Add methanol and stir, and discharge after natural cooling.

Embodiment 3

[0027] The parts by weight of each component are: water 5, caustic soda 2, melamine 235, phenol 294, formaldehyde 470, methanol 510, ammonia water 25.

[0028] The resin production process is:

[0029] 1. Put phenol and formaldehyde into the reaction kettle and stir, then add ammonia water and alkaline water dissolved by caustic soda and water, and adjust the pH value to 7.8;

[0030] 2. Heat up to 40°C, add melamine and continue to heat up to 70°C, test the water solubility of the reaction solution after 50 minutes, and the reaction ends when the water solubility reaches 100%;

[0031] 3. Add methanol and stir, and discharge after natural cooling.

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Abstract

The present invention relates to an impregnating phenol-formaldehyde resin for producing paper high-pressure decorative fire-resisting plate and its production process. Its formula composition includes (by weight portion) melamine 210-280, phenol 250-350, formaldehyde 450-550, methyl alcohol 480-560 and ammonia water 20-40, besides, 4-6 portions of water and 1.8-2.2 portions of flake alkali also can be added. Its production process includes the following steps: (1). adding phenol, formaldehyde and ammonia water in reaction still, regulating pH value; (2). adding melamine, heating, when the water solubility reaches to 100%, stopping reaction; (3) adding methyl alcohol, stirring, natural cooling and discharging material. In the above-mentioned process the alkaline water also can be added.

Description

technical field [0001] The invention relates to a phenolic resin and a production process thereof, in particular to an impregnated phenolic resin used for a paper high-pressure decorative fireproof board and a production process thereof. Background technique [0002] With the rapid development of the building decoration industry, the application of high-pressure decorative fireproof panels has been unprecedentedly popular. However, the main component of the existing phenolic resin used in the production of high-pressure decorative fireproof boards is phenol, which not only has high cost, but also has more volatile components after being made of high-content phenol, which is harmful to indoor air after being used for interior decoration. The pollution of the environment has also increased accordingly, which does not meet the trend of "health, longevity, and comfort" in modern society. Contents of the invention [0003] The technical problem to be solved by the present inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G14/10D21J1/08
Inventor 任庆祥任裕文郑华锋
Owner 任庆祥
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