Total heat exchange graphene paper film

A graphene paper, full heat exchange technology, applied in paper, papermaking, papermaking and other directions, can solve problems such as reducing air permeability

Active Publication Date: 2020-10-16
潍坊杰高非织材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in terms of improving sensible heat exchange efficiency and reducing air permeability, the patent application does not involve

Method used

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  • Total heat exchange graphene paper film

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A preparation method for a total heat exchange graphene paper film, comprising the following steps:

[0041] 1) Base paper making: 70% softwood pulp + 30% hardwood pulp is used as raw material, the beating degree of the mixed pulp is 45°SR, and the graphene water-based slurry with a relative absolute dry fiber content of 0.5% is added to the slurry. The urea-formaldehyde resin with an absolute dry fiber content of 2.0% and the cationic starch with a relative absolute dry fiber content of 2% are prepared on a fourdrinier paper machine with water as a medium to obtain base paper at a speed of 100 m / min;

[0042] The graphene water-based slurry: the active ingredient content is 11±1%, and the viscosity is 2000±200mpa.s.

[0043] 2) Preparation of surface sizing solution: prepare polyvinyl alcohol and nitrogen-based flame retardant in a ratio of 1:4 to prepare a glue solution with a concentration of 18%, add pyrimidine antibacterial agents for mixing, and the amount of pyri...

Embodiment 2

[0048] A kind of production method of total heat exchange graphene paper film, comprises the following steps:

[0049] 1) Base paper making: 70% softwood pulp + 30% hardwood pulp is used as raw material, the beating degree of the mixed pulp is 50°SR, and the graphene water-based slurry with a relative dry fiber content of 1% is added to the slurry. The absolute dry fiber content is 0.6% sodium carboxymethyl cellulose and the relative absolute dry fiber content is 2% polyamide epichlorohydrin resin, and water is used as medium to carry out papermaking on a cylinder paper machine to obtain base paper, and the vehicle speed is 100m / min;

[0050] The graphene water-based slurry: the active ingredient content is 11±1%, and the viscosity is 2000±200mpa.s.

[0051] 2) Preparation of surface sizing solution: Prepare starch and brominated flame retardant in a ratio of 1:4 to prepare a glue solution with a concentration of 15%, and add ammonium compounds to mix; the amount of ammonium...

Embodiment 3

[0056] A kind of production method of total heat exchange graphene paper film, comprises the following steps:

[0057] 1) Base paper making: 70% coniferous wood pulp + 30% hardwood pulp is used as raw material, the beating degree of the mixed pulp is 55°SR, and the graphene water-based slurry with a relative dry fiber content of 1.5% is added to the slurry. The absolute dry fiber content is 0.7% sodium carboxymethyl cellulose and the relative absolute dry fiber content is 2% polyamide epichlorohydrin resin, with water as the medium, papermaking is carried out on the fourdrinier paper machine to obtain the base paper, and the speed of the machine is 100m / min;

[0058] The graphene water-based slurry: the active ingredient content is 11±1%, and the viscosity is 2000±200mpa.s.

[0059] 2) Preparation of surface sizing solution: prepare polyvinyl alcohol and phosphorus flame retardant at a ratio of 1:5 to prepare a glue solution with a concentration of 16%, add organic bromine c...

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Abstract

The invention provides a total heat exchange graphene paper film. The total heat exchange graphene paper film is prepared from plant fiber pulp, a high-molecular polymer, a flame retardant, an antibacterial agent and graphene water-based pulp, wherein the plant fiber pulp is imported softwood pulp or mixed pulp of imported softwood pulp and hardwood pulp, according to the graphene water-based slurry, the content of effective components is 5-15%, and the viscosity is 1000-6000 mpa.s, the raw materials further comprise at least one of polyacrylamide, cationic starch and sodium carboxymethyl cellulose, and the adding amount is 2-5% of the absolute dry fiber amount. The raw materials further comprise at least one of polyacrylamide, cationic starch and sodium carboxymethyl cellulose, and the adding amount is 2-5% of the absolute dry fiber amount. The mass ratio of the high-molecular polymer to the flame retardant is 1: (4-10). The air permeability of the total heat exchange graphene paper film is less than or equal to 0.2 mu m / Pa.s, and the moisture permeability is more than or equal to 1000g / m<2>. 24h.

Description

technical field [0001] The invention belongs to the technical field of special paper, and in particular relates to a total heat exchange graphene paper film. Background technique [0002] The air conditioner works indoors in a building. If it is airtight and not ventilated, the air will become dirty if it is not ventilated for a long time. Therefore, it needs to be constantly exchanged with fresh air outside. The total heat exchanger is the key factor in the energy exchange of the fresh air system. Using the total heat exchanger to complete the energy exchange of indoor and outdoor air is a commonly used method at home and abroad. [0003] The effect factors of the total heat exchanger mainly include the following: [0004] Sensible heat: the heat absorbed or released as the temperature of the humid air changes, and the sensible heat is recovered by using the temperature difference between the fresh air and the exhaust air. [0005] Latent heat: The heat absorbed or releas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21G1/00D21H17/00D21H17/06D21H17/29D21H21/16D21H23/34
CPCD21H17/00D21H17/29D21H17/06D21H21/16D21H23/34D21G1/00Y02P20/10
Inventor 初杰王光民于东兴李雪冰
Owner 潍坊杰高非织材料科技有限公司
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