CN102979006B - Modified nanometer titanium dioxide-containing filter paper for filter and preparation method thereof - Google Patents
Modified nanometer titanium dioxide-containing filter paper for filter and preparation method thereof Download PDFInfo
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- CN102979006B CN102979006B CN201210426987.4A CN201210426987A CN102979006B CN 102979006 B CN102979006 B CN 102979006B CN 201210426987 A CN201210426987 A CN 201210426987A CN 102979006 B CN102979006 B CN 102979006B
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Abstract
The invention discloses a modified nanometer titanium dioxide-containing filter paper for a filter and a preparation method thereof. Raw materials for the filter paper comprise, by weight, 85 to 95 parts of cotton pulp, 30 to 40 parts of cellulose acetate fibers, 8 to 10 parts of polytetrafluoroethylene fibers, 1 to 3 parts of modified nano-carbon, 0.8 to 1.2 parts of a cross-linking agent TAIC, 2 to 4 parts of dimethicone, 10 to 20 parts of poly(epsilon-caprolactone), 3 to 5 parts of modified nanometer titanium dioxide, 1 to 2 parts of an anti-oxidant 168, 0.4 to 0.6 part of polyoxyethylene ether acrylate, 0.1 to 0.3 parts of methyl tin mercaptide, 1.2 to 1.5 parts of poly-4-methyl-1-pentene, 0.8 to 1.2 parts of ammonium polyphosphate and 0.3 to 0.5 part of span. According to the invention, the cotton pulp, the cellulose acetate fibers and the polytetrafluoroethylene fibers are all used as main materials, so environmental protection and scientificalness are realized; a raw material formula is reasonable, and compatibility among the raw materials is good, so the filter paper has improved strength, toughness and corrosion resistance, good surface gloss, stable performance indexes at working conditions of a normal temperature and a high temperature and good temperature-resistant and filtering effects; the filter paper has a maximum pore size of 47 to 52 mu m and an average pore size of 34 to 38 mu m, and air permeability of finished paper is in a range of 79 to 86 L/m<2>.S.
Description
Technical field
The present invention relates to automobile filter field, is exactly a kind of filter paper of filter that contains modified nano-titanium dioxide 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 discharge of the organic pollutions such as carbon monoxide.
As a kind of effective filter medium, filter paper has been widely used in every field.Different according to the kinds of fibers that forms filter paper, the performance of filter paper, purposes are also different, are useful on the common filter paper of general occasion, under high temperature glass fiber filter paper, also have ultra-clean by polypropylene filter paper etc.According to filter paper impregnation whether, can be divided into two large classes, i.e. impregnation filter paper and non-impregnation filter paper.Impregnation filter paper is divided into again curing filter paper and uncured filter paper.
Along with filtering improving constantly of requiring, anyly by singly planting fibrous filter paper, be all more and more difficult to the requirement of meet using, so the filter paper being formed by multiple fiber combinations arises at the historic moment, in filter paper production, conventional fiber has wood fibre, chemical fibre, glass fibre etc.
Summary of the invention
The object of the present invention is to provide a kind of filter paper of filter that contains modified nano-titanium dioxide and preparation method thereof, the present invention adopts cotton pulp, acetate fiber and polytetrafluoroethylene fibre simultaneously as main material, environmental protection science, composition of raw materials is reasonable, each group partition inter-capacitive is good, intensity, toughness, corrosion resistance improve, surface gloss is good, under normal temperature and worst hot case, there are stable performance indications, there is good heatproof and filter effect, its maximum diameter of hole 47-52 μ m, average pore size 34-38 μ m, becomes paper air permeability at 79-86L/m
2.S between.
The present invention adopts following technical scheme to achieve these goals:
The filter paper of filter that contains modified nano-titanium dioxide, the weight portion of its constitutive material is: vinegar 10-20, modified nano-titanium dioxide 3-5, irgasfos 168 1-2, Polyoxyethylene Ether acrylate 0.4-0.6, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.1-0.3, poly--4-methyl-1-pentene 1.2-1.5, APP 0.8-1.2 and smooth 0.3-0.5 of aliphatic acid sorb in cotton pulp 85-95, acetate fiber 30-40, polytetrafluoroethylene fibre 8-10, modified Nano carbon 1-3, crosslinking agent TAIC 0.8-1.2, dimethicone 2-4, poly-caproic acid.
The filter paper of filter that contains modified nano-titanium dioxide, the weight portion of its constitutive material is: vinegar 15, modified nano-titanium dioxide 4, irgasfos 168 1.5, Polyoxyethylene Ether acrylate 0.5, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.2, poly--4-methyl-1-pentene 1.4, APP 1 and aliphatic acid sorb smooth 0.4 in cotton pulp 90, acetate fiber 35, polytetrafluoroethylene fibre 9, modified Nano carbon 2, crosslinking agent TAIC 1, dimethicone 3, poly-caproic acid.
The preparation method of the filter paper of filter that contains modified nano-titanium dioxide, comprises the following steps:
(1) by the weight portion of constitutive material, take each raw material, after cotton pulp, acetate fiber and polytetrafluoroethylene fibre are mixed, put into pulper size degradation, obtain the slurry that solid content is 4-6%, obtain mixed slurry;
(2) in the mixed slurry of step (1), by the weight portion of constitutive material, add other raw materials of residue, be heated to 60-70 ℃; After fluffer is discongested, then defibrination, after defibrination, gained slurry is sized mixing through adding water, to after solid content 3-5% according to conventional paper technology copy paper, moulding squeezing, be drying to obtain.
Described modified Nano carbon preparation method for to add 3 parts of 4,4 '-methyl diphenylene diisocyanates, 3 parts of polyacrylate, 2 parts of vinyl tris silanes, 2 parts of sebacates in nano-sized carbon, and reaction 1 hour stirs.Obtain.
The preparation method of described modified nano-titanium dioxide is: the mixed solution of nano titanium oxide being put into 1-2% nano-sized carbon, 1-2% coupling agent, 1-2% plasticizer, 10-20% aluminium oxide is heated to 70-80 ℃, and 30 minutes post-dryings, are ground into powder and get final product.
Beneficial effect of the present invention:
The present invention adopts cotton pulp, acetate fiber and polytetrafluoroethylene fibre simultaneously as main material, environmental protection science, composition of raw materials is reasonable, and each group partition inter-capacitive is good, and intensity, toughness, corrosion resistance improve, surface gloss is good, under normal temperature and worst hot case, there are stable performance indications, there is good heatproof and filter effect, its maximum diameter of hole 47-52 μ m, average pore size 34-38 μ m, becomes paper air permeability at 79-86L/m
2.S between.
The specific embodiment
Embodiment 1: the filter paper of filter that contains modified nano-titanium dioxide, the weight portion of its constitutive material is: vinegar 15, modified nano-titanium dioxide 4, irgasfos 168 1.5, Polyoxyethylene Ether acrylate 0.5, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.2, poly--4-methyl-1-pentene 1.4, APP 1 and aliphatic acid sorb smooth 0.4 in cotton pulp 90, acetate fiber 35, polytetrafluoroethylene fibre 9, modified Nano carbon 2, crosslinking agent TAIC 1, dimethicone 3, poly-caproic acid.
The preparation method of the filter paper of filter that contains modified nano-titanium dioxide, comprises the following steps:
(1) by the weight portion of constitutive material, take each raw material, after cotton pulp, acetate fiber and polytetrafluoroethylene fibre are mixed, put into pulper size degradation, obtain the slurry that solid content is 4-6%, obtain mixed slurry;
(2) in the mixed slurry of step (1), by the weight portion of constitutive material, add other raw materials of residue, be heated to 60-70 ℃; After fluffer is discongested, then defibrination, after defibrination, gained slurry is sized mixing through adding water, to after solid content 3-5% according to conventional paper technology copy paper, moulding squeezing, be drying to obtain.
Described modified Nano carbon preparation method for to add 3 parts of 4,4 '-methyl diphenylene diisocyanates, 3 parts of polyacrylate, 2 parts of vinyl tris silanes, 2 parts of sebacates in nano-sized carbon, and reaction 1 hour stirs.Obtain.
The preparation method of described modified nano-titanium dioxide is: the mixed solution of nano titanium oxide being put into 1-2% nano-sized carbon, 1-2% coupling agent, 1-2% plasticizer, 10-20% aluminium oxide is heated to 70-80 ℃, and 30 minutes post-dryings, are ground into powder and get final product.
Grammes per square metre: 131g/cm
2; Bursting strength: 290Kpa; Air permeability: 498ml/10cm
2min; Its maximum diameter of hole 47-52 μ m, average pore size 34-38 μ m, becomes paper air permeability at 79-86L/m
2.S between.
Claims (3)
1. a filter paper of filter that contains modified nano-titanium dioxide, is characterized in that the weight portion of its constitutive material is: cotton pulp 85-95, acetate fiber 30-40, polytetrafluoroethylene fibre 8-10, modified Nano carbon 1-3, crosslinking agent TAIC 0.8-1.2, dimethicone 2-4, polycaprolactone 10-20, modified nano-titanium dioxide 3-5, irgasfos 168 1-2, Polyoxyethylene Ether acrylate 0.4-0.6, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.1-0.3, poly--4-methyl-1-pentene 1.2-1.5, APP 0.8-1.2 and smooth 0.3-0.5 of aliphatic acid sorb;
Described modified Nano carbon preparation method, for to add 3 parts of 4,4 '-methyl diphenylene diisocyanates, 3 parts of polyacrylate, 2 parts of vinyl tris silanes, 2 parts of sebacates in nano-sized carbon, stirs and reacts 1 hour and get final product;
The preparation method of described modified nano-titanium dioxide is: the mixed solution of nano titanium oxide being put into 1-2% nano-sized carbon, 1-2% coupling agent, 1-2% plasticizer, 10-20% aluminium oxide is heated to 70-80 ℃, and 30 minutes post-dryings, are ground into powder and get final product.
2. the filter paper of filter that contains modified nano-titanium dioxide according to claim 1, is characterized in that the weight portion of its constitutive material is: cotton pulp 90, acetate fiber 35, polytetrafluoroethylene fibre 9, modified Nano carbon 2, crosslinking agent TAIC 1, dimethicone 3, polycaprolactone 15, modified nano-titanium dioxide 4, irgasfos 168 1.5, Polyoxyethylene Ether acrylate 0.5, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.2, poly--4-methyl-1-pentene 1.4, APP 1 and aliphatic acid sorb smooth 0.4.
3. a preparation method for the filter paper of filter that contains modified nano-titanium dioxide as claimed in claim 1, is characterized in that comprising the following steps:
(1) by the weight portion of constitutive material, take each raw material, after cotton pulp, acetate fiber and polytetrafluoroethylene fibre are mixed, put into pulper size degradation, obtain the slurry that solid content is 4-6%, obtain mixed slurry;
(2) in the mixed slurry of step (1), by the weight portion of constitutive material, add other raw materials of residue, be heated to 60-70 ℃; After fluffer is discongested, then defibrination, after defibrination, gained slurry is sized mixing through adding water, to after solid content 3-5% according to conventional paper technology copy paper, moulding squeezing, be drying to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426987.4A CN102979006B (en) | 2012-10-31 | 2012-10-31 | Modified nanometer titanium dioxide-containing filter paper for filter and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210426987.4A CN102979006B (en) | 2012-10-31 | 2012-10-31 | Modified nanometer titanium dioxide-containing filter paper for filter and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102979006A CN102979006A (en) | 2013-03-20 |
| CN102979006B true CN102979006B (en) | 2014-11-26 |
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| CN106977683A (en) * | 2017-04-14 | 2017-07-25 | 陕西科技大学 | No-solvent type polyurethane nano TiO2Composite membrane and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678823A (en) * | 1982-04-05 | 1987-07-07 | Hercules Incorporated | Asphalt compositions containing spurted polyolefin fibers with improved dispersibility in hydrocarbons |
| CN101392703A (en) * | 2008-11-06 | 2009-03-25 | 上海华明高技术（集团）有限公司 | Filter paper of air filter for saving fuel and method for manufacturing same |
| CN102199903A (en) * | 2011-04-13 | 2011-09-28 | 北京联飞翔科技股份有限公司 | Filter paper of energy-saving and environment-friendly filter and making method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1241476A (en) * | 1982-04-05 | 1988-08-30 | Harold Jabloner | Spurted polyolefin fibers with improved dispersibility in hydrocarbons, including hydrocarbons containing asphalt compositions and method for making same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678823A (en) * | 1982-04-05 | 1987-07-07 | Hercules Incorporated | Asphalt compositions containing spurted polyolefin fibers with improved dispersibility in hydrocarbons |
| CN101392703A (en) * | 2008-11-06 | 2009-03-25 | 上海华明高技术（集团）有限公司 | Filter paper of air filter for saving fuel and method for manufacturing same |
| CN102199903A (en) * | 2011-04-13 | 2011-09-28 | 北京联飞翔科技股份有限公司 | Filter paper of energy-saving and environment-friendly filter and making method thereof |
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