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Dip-coating glue solution for fast curing automobile filter paper, automobile filter paper adopting same and preparation method

A fast-curing, automotive technology, applied in the field of filter paper, can solve the problems of prolonged production process of filter elements, long curing time, and high brittleness of filter paper, and achieve the effect of short curing time, reducing curing time and promoting curing.

Inactive Publication Date: 2018-05-15
山东龙德复合材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current phenol-formaldehyde resin impregnated filter paper takes a long time to cure and needs to be cured for 10-30 minutes, resulting in prolonged filter production process and high production energy consumption. low rate
[0004] Therefore, the development of a new dipping glue solution to solve the problems caused by the current phenol-formaldehyde resin impregnation, to achieve rapid curing, short curing time, and high molding rate has always been an unsolved problem.

Method used

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  • Dip-coating glue solution for fast curing automobile filter paper, automobile filter paper adopting same and preparation method
  • Dip-coating glue solution for fast curing automobile filter paper, automobile filter paper adopting same and preparation method
  • Dip-coating glue solution for fast curing automobile filter paper, automobile filter paper adopting same and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of quick-curing dip-coating glue for automobile filter paper, the composition of raw materials is as follows:

[0037] 100kg of phenolic resin, 10kg of curing accelerator, and 190kg of methanol.

[0038] Take the phenolic resin and add it to methanol, stir at room temperature for 3-5 minutes, then add the curing accelerator and stir for 5-8 minutes to obtain a fast-curing dip coating glue for automobile filter paper.

[0039] A kind of preparation method of rapid solidification automobile filter paper, comprises steps as follows:

[0040] (1) Base paper preparation: Weigh the mixed fibers composed of coniferous pulp fibers and broad-leaved pulp fibers and soak for 40-50 minutes to disintegrate. After disintegration, add water to dilute for disintegration. The base paper with a porous and loose structure is produced through inclined wire paper machine papermaking;

[0041] (2) Coating and curing: Dip-coat the dip-coating glue on the base paper prepared in step (...

Embodiment 2

[0044] A kind of fast solidification automotive filter paper dip coating glue, with embodiment 1.

[0045] A kind of preparation method of rapid solidification automobile filter paper, comprises steps as follows:

[0046] (1) Base paper preparation: Weigh the mixed fibers composed of coniferous pulp fibers and broad-leaved pulp fibers and soak for 40-50 minutes to disintegrate. After disintegration, add water to dilute for disintegration. The base paper with a porous and loose structure is produced through inclined wire paper machine papermaking;

[0047] (2) Coating and curing: Dip-coat the dip-coating glue on the base paper prepared in step (1) by means of double-roller metering film transfer, and obtain fast-curing automotive filter paper after curing. Curing temperature: 1# section temperature 85°C The temperature of 2# section is 125°C; the temperature of 3# section is 155°C; the temperature of 4# section is 185°C;

[0048] The degree of curing of the obtained cured aut...

Embodiment 3

[0050] A kind of fast solidification automotive filter paper dip coating glue, with embodiment 1.

[0051] A kind of preparation method of rapid solidification automobile filter paper, comprises steps as follows:

[0052] (1) Base paper preparation: Weigh the mixed fibers composed of coniferous pulp fibers and broad-leaved pulp fibers and soak for 40-50 minutes to disintegrate. After disintegration, add water to dilute for disintegration. The base paper with a porous and loose structure is produced through inclined wire paper machine papermaking;

[0053] (2) Coating and curing: Dip-coat the dip-coating glue on the base paper prepared in step (1) by means of double-roller metering film transfer, and obtain fast-curing automotive filter paper after curing. Curing temperature: 1# section temperature 85°C The temperature of 2# section is 125°C; the temperature of 3# section is 155°C; the temperature of 4# section is 185°C;

[0054] The degree of curing of the obtained cured aut...

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Abstract

The invention discloses a dip-coating glue solution for fast curing automobile filter paper, the automobile filter paper adopting the same and a preparation method. The dip-coating glue solution comprises the following raw materials in parts by weight: 80 to 120 parts of phenolic resin, 8 to 12 parts of a curing accelerator, and 160 to 250 parts of methanol, wherein the curing accelerator adopts phenol synthetic resin. The fast curing automobile filter paper is obtained by performing soaking and curing of the dip-coating glue solution, and the soaking amount is 20 to 26 percent. The dip-coating glue solution ensures that the filter paper has high curing degree at the earlier stage through Resole phenolic resin as an adhesive, the adding and catalyzing of the components of the curing accelerator and the adjustment of vehicle speed and curing temperature, is applied to automobile filter paper, obviously improves the forming efficiency, reduces the curing time, and meanwhile reduces the production energy consumption and production cost.

Description

technical field [0001] The invention belongs to the technical field of filter paper, and in particular relates to a fast-curing dipping glue solution for automobile filter paper, automobile filter paper using the dipping glue solution and a preparation method. Background technique [0002] The impregnated resin for automobile filter paper is generally phenol-formaldehyde resin, styrene-acrylic emulsion, and melamine-formaldehyde resin. The impregnated substrate generally uses paper, cloth, rayon, non-woven fabric, etc. Phenol-formaldehyde resin impregnated and cured filter paper has good burst resistance and high stiffness, and also has certain water resistance and solvent resistance. The currently used phenol-formaldehyde resin impregnated filter paper needs to be cured at 180 degrees for 10-30 minutes to form after preliminary drying. [0003] However, the current phenol-formaldehyde resin impregnated filter paper takes a long time to cure and needs to be cured for 10-30...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/08D21H19/24D21H19/14
CPCD21H19/14D21H19/24D21H27/08
Inventor 崔中华张宝印
Owner 山东龙德复合材料科技股份有限公司
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