CN103382686A - Heatproof filter paper and preparation method thereof - Google Patents

Abstract

The invention discloses a heatproof filter paper. The filter paper comprises the following raw materials by weight: 100 to 110 parts of straw pulp, 6 to 7 parts of a styrene acrylic emulsion, 13 to 16 parts of a ceramic fiber, 8 to 10 parts of an alumina silicate fiber, 1 to 2 parts of sodium tripolyphosphate, 1 to 2 parts of ammonium biphosphate, 1 to 2 parts of hexabromocyclododecane, 2 to 4 parts of polyethylene glycol 400, 1 to 2 parts of tributyl citrate, 0.6 to 1 part of propyl trimethoxy silane, 0.2 to 0.3 part of sodium lauryl sulfate, 0.4 to 0.5 part of coco fatty acid diethanol amide, 16 to 20 parts of a VAE emulsion DA101, 3 to 5 parts of glycol, 1 to 2 parts of dioctyl sodium sulfosuccinate, 0.1 to 0.3 part of dibenzoyl peroxide and a proper amount of water. The filter paper produced in the invention has high filterability, a long service life, environment friendliness and stable quality; an impregnation liquid used in the invention has good cohesiveness and film forming ability; and after impregnation, the filter paper has enhanced dry and wet strength and toughness, and filtration efficiency of a filter is improved.

Description

A kind of heat resistant type filter paper of filter and preparation method thereof

Technical field

The present invention relates generally to a kind of filter paper, relates in particular to a kind of heat resistant type filter paper of filter and preparation method thereof.

Background technology

Cleaner is the important spare part of engine, it act as the particulates such as dust in air that filtering enters engine, diesel oil, machine oil and mechanical admixture, to reduce the wearing and tearing of Cylinder Liner Piston Ring in Engine, crankshaft link rod motion pair and high-pressure oil pump plunger matching parts, optimize the combustion process of engine, reduce the discharging of the organic pollutions such as carbon monoxide.There are the problems such as strainability is low, service life is short, the filter paper quality is unstable in the traditional mode of production filter paper of filter, limited significantly the raising of cleaner filtering efficient, also affect the lifting of engine performance, be difficult to satisfy present people for the pursuit of high-performance, high-quality product.

Summary of the invention

The object of the invention just is to provide a kind of heat resistant type filter paper of filter.

The present invention is achieved by the following technical solutions:

A kind of heat resistant type filter paper of filter, it is comprised of the raw material of following weight parts:

Rice straw pulp 100-110, benzene emulsion 6-7, ceramic fibre 13-16, alumina silicate fibre 8-10, sodium phosphate trimer 1-2, ammonium dihydrogen phosphate (ADP) 1-2, hexabromo-Cyclododecane 1-2, PEG400 2-4, ATBC 1-2, propyl trimethoxy silicane 0.6-1, sldium lauryl sulfate 0.2-0.3, lauric acid amide of ethanol 0.4-0.5, VAE emulsion DA101 16-20, ethylene glycol 3-5, succinate sodium 2-ethylhexyl 1-2, dibenzoyl peroxide 0.1-0.3, water are appropriate;

A kind of preparation method of heat resistant type filter paper of filter comprises the following steps:

The diethanol amine, 1 that adds 1-2% in above-mentioned bamboo pulp, wood pulp, two (triethoxy the is silica-based) ethane of 2-are 80-90 ℃ of lower stirring reaction 10-20 minute in temperature, then add pure-acrylic emulsion that low speed 200-300 rev/min was disperseed 3-5 minute, and got dispersion liquid; The dispersion liquid and the polybenzimidazole fiber that obtain are mixed to join in beater, making beating, add again ammonium dihydrogen phosphate (ADP), neatly stone flour, 800-1000 rev/min was disperseed 1-2 minute, added each raw material of residue except lauric acid amide of ethanol, VAE emulsion DA101, ethylene glycol, succinate sodium 2-ethylhexyl, dibenzoyl peroxide, was incubated 20-30 minute after stirring under 60-70 ℃, discongest, defibrination, adding water to solid content is 4-6%, by the paper machine moulding of manufacturing paper with pulp, and dehydration; Above-mentioned lauric acid amide of ethanol is joined in VAE emulsion DA101, be to be incubated 8-15 minute under 65-70 ℃ in temperature, add 4-5 times of water, succinate sodium 2-ethylhexyl, ethylene glycol, dispersed with stirring, add dibenzoyl peroxide, the rising temperature is incubated 1-2 hour to 80-90 ℃, filter discharging, get maceration extract; Paper after dehydration is dipped in above-mentioned modification maceration extract floods 2-3h, then remove excessive maceration extract with pressure roll; Dry under 160-200 ℃ to mass dryness fraction 95-98%, press polish arranges, and namely gets the filter paper of filter of described high filtering precision.

Advantage of the present invention is:

The Filter paper filtering performance that the present invention produces is high, long service life, environmental protection, anticorrosion, steady quality, add auxiliary agent to carry out mixing with fiber again after dispersion treatment in main slurry, make the compatibility of each storeroom better, strengthened the integrated quality of the filter paper after the moulding, the maceration extract that uses has very strong caking property and film forming, can strengthen the dried wet strength of filter paper after dipping, toughness has further improved cleaner filtering efficient.

The specific embodiment

Embodiment 1

A kind of heat resistant type filter paper of filter, it is comprised of the raw material of following weight parts (kilogram):

Rice straw pulp 110, benzene emulsion 7, ceramic fibre 16, alumina silicate fibre 10, sodium phosphate trimer 2, ammonium dihydrogen phosphate (ADP) 2, hexabromo-Cyclododecane 2, PEG400 4, ATBC 2, propyl trimethoxy silicane 0.6, sldium lauryl sulfate 0.3, lauric acid amide of ethanol 0.5, VAE emulsion DA101 20, ethylene glycol 5, succinate sodium 2-ethylhexyl 2, dibenzoyl peroxide 0.3, water are appropriate;

A kind of preparation method of heat resistant type filter paper of filter comprises the following steps:

Add 1% diethanol amine, 1 in above-mentioned bamboo pulp, wood pulp, two (triethoxy the is silica-based) ethane of 2-are 90 ℃ of lower stirring reactions 20 minutes in temperature, then add pure-acrylic emulsion, and 300 rev/mins of low speed disperseed 5 minutes, got dispersion liquid; The dispersion liquid and the polybenzimidazole fiber that obtain are mixed to join in beater, making beating, add again ammonium dihydrogen phosphate (ADP), neatly stone flour, 1000 rev/mins were disperseed 2 minutes, added each raw material of residue except lauric acid amide of ethanol, VAE emulsion DA101, ethylene glycol, succinate sodium 2-ethylhexyl, dibenzoyl peroxide, were incubated 30 minutes after stirring under 70 ℃, discongest, defibrination, adding water to solid content is 5%, by the paper machine moulding of manufacturing paper with pulp, and dehydration; Above-mentioned lauric acid amide of ethanol is joined in VAE emulsion DA101, be to be incubated 15 minutes under 70 ℃ in temperature, add 5 times of water, succinate sodium 2-ethylhexyl, ethylene glycol, dispersed with stirring, add dibenzoyl peroxide, rising temperature to 90 ℃ is incubated 2 hours, filter discharging, get maceration extract; Paper after dehydration is dipped in above-mentioned modification maceration extract floods 2h, then remove excessive maceration extract with pressure roll; Dry under 200 ℃ to mass dryness fraction 98%, press polish arranges, and namely gets the filter paper of filter of described high filtering precision.

Claims (2)

1. heat resistant type filter paper of filter is characterized in that what it was comprised of the raw material of following weight parts:

Rice straw pulp 100-110, benzene emulsion 6-7, ceramic fibre 13-16, alumina silicate fibre 8-10, sodium phosphate trimer 1-2, ammonium dihydrogen phosphate (ADP) 1-2, hexabromo-Cyclododecane 1-2, PEG400 2-4, ATBC 1-2, propyl trimethoxy silicane 0.6-1, sldium lauryl sulfate 0.2-0.3, lauric acid amide of ethanol 0.4-0.5, VAE emulsion DA101 16-20, ethylene glycol 3-5, succinate sodium 2-ethylhexyl 1-2, dibenzoyl peroxide 0.1-0.3, water are appropriate.

2. the preparation method of a heat resistant type filter paper of filter as claimed in claim 1 is characterized in that comprising the following steps:

The diethanol amine, 1 that adds 1-2% in above-mentioned bamboo pulp, wood pulp, two (triethoxy the is silica-based) ethane of 2-are 80-90 ℃ of lower stirring reaction 10-20 minute in temperature, then add pure-acrylic emulsion that low speed 200-300 rev/min was disperseed 3-5 minute, and got dispersion liquid; The dispersion liquid and the polybenzimidazole fiber that obtain are mixed to join in beater, making beating, add again ammonium dihydrogen phosphate (ADP), neatly stone flour, 800-1000 rev/min was disperseed 1-2 minute, added each raw material of residue except lauric acid amide of ethanol, VAE emulsion DA101, ethylene glycol, succinate sodium 2-ethylhexyl, dibenzoyl peroxide, was incubated 20-30 minute after stirring under 60-70 ℃, discongest, defibrination, adding water to solid content is 4-6%, by the paper machine moulding of manufacturing paper with pulp, and dehydration; Above-mentioned lauric acid amide of ethanol is joined in VAE emulsion DA101, be to be incubated 8-15 minute under 65-70 ℃ in temperature, add 4-5 times of water, succinate sodium 2-ethylhexyl, ethylene glycol, dispersed with stirring, add dibenzoyl peroxide, the rising temperature is incubated 1-2 hour to 80-90 ℃, filter discharging, get maceration extract; Paper after dehydration is dipped in above-mentioned modification maceration extract floods 2-3h, then remove excessive maceration extract with pressure roll; Dry under 160-200 ℃ to mass dryness fraction 95-98%, press polish arranges, and namely gets the filter paper of filter of described high filtering precision.