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Fuel oil filter paper and preparation method thereof

A fuel filter and filter paper technology, applied in the direction of filter paper, pulp beating/refining method, separation method, etc., can solve the problems of poor strength and toughness, low filtration efficiency, low filtration precision, etc., and achieve good strength and toughness, high filtration efficiency High, high filtering effect

Pending Publication Date: 2022-01-14
杭州特种纸业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of high tightness, low filtration efficiency, short life, low filtration precision, poor strength and toughness of the fuel filter paper in the prior art, the present invention provides a filter paper with low tightness, high filtration efficiency, long life and high filtration precision. High fuel filter paper with good strength and toughness and preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A fuel oil filter paper, obtained by weight parts: 10 parts of mercerized wood pulp; 20 parts of polyester resin; 10 parts of alkali-free glass fiber chopped strands; 1 part of polyester long fiber; the filter paper base paper is calculated by weight parts It includes 40 parts of softwood bleached wood pulp; 0.2 parts of modified starch light fat calcium carbonate, 10 parts of alkali-free glass fiber chopped strands; and 1 part of fibrous binder. Follow the steps below to make target fuel filter paper:

[0022] a) Take mercerized wood pulp, polyester resin, non-alkali glass fiber chopped strands, and polyester long fibers, pulp them through a pulper, and then refine them through a refiner. The pulping degree is 8 degrees;

[0023] b) Take coniferous bleached wood pulp, modified starch light fat calcium carbonate, non-alkali glass fiber chopped strands, and fibrous binder, and use a fiber deflagging machine to decompose, and then go through a double-disc refiner to polis...

Embodiment 2

[0029] A fuel oil filter paper, obtained by weight parts: 15 parts of mercerized wood pulp; 30 parts of polyester resin; 15 parts of alkali-free glass fiber chopped strands; 5 parts of polyester long fibers; the filter paper base paper is calculated by weight It includes 60 parts of softwood bleached wood pulp; 4 parts of modified starch light fat calcium carbonate, 15 parts of alkali-free glass fiber chopped strands; and 8 parts of fibrous binder. Follow the steps below to make target fuel filter paper:

[0030] a) Take mercerized wood pulp, polyester resin, non-alkali glass fiber chopped strands, and polyester long fibers, pulp them through a pulper, and then refine them through a refiner. The pulping degree is 10 degrees;

[0031] b) Take coniferous bleached wood pulp, modified starch light fat calcium carbonate, non-alkali glass fiber chopped strands, and fibrous binder, and use a fiber deflagging machine to decompose, and then go through a double-disc refiner to polish on...

Embodiment 3

[0037] A fuel oil filter paper, obtained by weight parts: 20 parts of mercerized wood pulp; 40 parts of polyester resin; 20 parts of alkali-free glass fiber chopped strands; 10 parts of long polyester fibers; Including 80 parts of softwood bleached wood pulp; 8 parts of modified starch light fat calcium carbonate, 20 parts of alkali-free glass fiber chopped strands; 15 parts of fibrous binder. Follow the steps below to make target fuel filter paper:

[0038] a) Take mercerized wood pulp, polyester resin, alkali-free glass fiber chopped strands, and polyester long fibers, pulp through a pulper, and then refine through a refiner, and the pulping degree is 12 degrees;

[0039] b) Take coniferous bleached wood pulp, modified starch light fat calcium carbonate, non-alkali glass fiber chopped strands, and fibrous binder, and use a fiber deflagging machine to decompose, and then go through a double-disc refiner to polish online to obtain pulp Slurry with a degree of 22°SR;

[0040]...

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Abstract

The invention relates to the technical field of filtering materials, and discloses fuel oil filter paper which comprises a high-permeability low-resistance supporting material on the outer side and filter paper body paper on the inner side. The supporting material comprises, by weight, 10-20 parts of mercerized wood pulp; 20-40 parts of polyester resin; 10-20 parts of alkali-free glass fiber chopped strands; and 1-10 parts of polyester long fiber. The filter paper body paper comprises the following components in parts by weight: 40-80 parts of softwood bleached wood pulp; 0.2-8 parts of modified starch light fat calcium carbonate, 10-20 parts of alkali-free glass fiber chopped strands, and 1-15 parts of fibrous binding element. The fuel oil filter paper and the preparation method thereof disclosed by the invention have the beneficial effects of low tightness, high filtering efficiency, long service life, high filtering precision, good strength and toughness and convenience and safety in use.

Description

technical field [0001] The invention relates to the technical field of filter materials, in particular to a fuel filter paper and a preparation method thereof. Background technique [0002] At present, the material of automobile oil filter paper is mainly paper with polymer coating, and the properties of polymer materials determine the performance and service life of oil filter paper. The existing domestic polymer coatings for oil filter paper are mainly acrylic resins. The main disadvantages of this type of oil filter paper products are: poor high temperature resistance, high moisture absorption rate and short service life. The polymer coating commonly used abroad is mainly phenolic resin. This kind of oil filter paper product has good high temperature resistance, low moisture absorption rate and long service life; The pollution is large, the production safety factor is low, and the production cost is high. The oil filter paper usually includes a paper filter layer made o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/08D21B1/34D21D1/20D21F3/02D21H13/24D21H13/40
CPCD21H27/08D21H13/40D21H13/24D21B1/345D21D1/20D21F3/02
Inventor 王建业吴安波王雷黄铖闵月朱政
Owner 杭州特种纸业有限公司
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