CN113914127A - Engine oil filter paper and preparation method thereof - Google Patents
Engine oil filter paper and preparation method thereof Download PDFInfo
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- CN113914127A CN113914127A CN202010654445.7A CN202010654445A CN113914127A CN 113914127 A CN113914127 A CN 113914127A CN 202010654445 A CN202010654445 A CN 202010654445A CN 113914127 A CN113914127 A CN 113914127A
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- fiber
- parts
- filter paper
- engine oil
- oil filter
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- 239000010705 motor oil Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title description 16
- 239000000835 fiber Substances 0.000 claims abstract description 110
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000007598 dipping method Methods 0.000 claims abstract description 24
- 241000196324 Embryophyta Species 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 21
- 241000124033 Salix Species 0.000 claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000011122 softwood Substances 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 244000099147 Ananas comosus Species 0.000 claims abstract description 8
- 235000007119 Ananas comosus Nutrition 0.000 claims abstract description 8
- 240000000249 Morus alba Species 0.000 claims abstract description 8
- 235000008708 Morus alba Nutrition 0.000 claims abstract description 8
- 240000008790 Musa x paradisiaca Species 0.000 claims abstract description 8
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims abstract description 8
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 8
- 229920005594 polymer fiber Polymers 0.000 claims abstract description 8
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920000297 Rayon Polymers 0.000 claims abstract description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 3
- 235000010451 Plantago psyllium Nutrition 0.000 claims abstract 2
- 244000090599 Plantago psyllium Species 0.000 claims abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- 238000004537 pulping Methods 0.000 claims description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 229920001568 phenolic resin Polymers 0.000 claims description 10
- 239000005011 phenolic resin Substances 0.000 claims description 10
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000007761 roller coating Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- ZURAKLKIKYCUJU-UHFFFAOYSA-N copper;azane Chemical compound N.[Cu+2] ZURAKLKIKYCUJU-UHFFFAOYSA-N 0.000 claims description 2
- 239000010721 machine oil Substances 0.000 claims description 2
- -1 nitrate ester Chemical class 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims description 2
- 241000219146 Gossypium Species 0.000 claims 1
- 240000002024 Gossypium herbaceum Species 0.000 claims 1
- 235000004341 Gossypium herbaceum Nutrition 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 4
- 229910000271 hectorite Inorganic materials 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- 229910052845 zircon Inorganic materials 0.000 description 4
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 229920000120 polyethyl acrylate Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 244000134552 Plantago ovata Species 0.000 description 1
- 235000003421 Plantago ovata Nutrition 0.000 description 1
- 239000009223 Psyllium Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229940070687 psyllium Drugs 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/06—Cellulose esters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/08—Synthetic cellulose fibres from regenerated cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to the technical field of engine oil filter paper, and discloses engine oil filter paper, which comprises filter paper base paper and a dipping solution for dipping the filter paper base paper, wherein the filter paper base paper comprises: the composite glue comprises softwood pulp, linter cotton pulp, fibrous binder, mixed plant fiber and mixed chemical fiber, wherein the mixed plant fiber comprises one or more combinations of willow fiber, willow leaf fiber, banana fiber, pineapple leaf fiber, psyllium seed fiber and mulberry fiber, the mixed chemical fiber comprises one or more combinations of viscose fiber, nitrate fiber, cuprammonium fiber, tetrafluoroethylene polymer fiber and polyacrylonitrile fiber, and the gum dipping solution comprises the following components in parts by weight: the invention has the advantages of high filtration efficiency, high filtration precision, large dust holding capacity, long service life, high oil resistance, high temperature resistance, high water resistance, good stability, convenient and safe use.
Description
Technical Field
The invention relates to the technical field of engine oil filter paper, in particular to engine oil filter paper and a preparation method thereof.
Background
The oil in the engine oil system has the effects of transmitting power, reducing friction among elements, suspending pollutants, controlling the cooling of an oxidant on the surfaces of the elements and the like, if particles generated by the abrasion of the elements in the system and colloidal oil sludge generated by the aging of the oil corrode metals to cause the oil to be polluted, the original effects of the oil can be damaged, the pollutants have direct influence on the working reliability of the system and the service life of the elements to cause various faults in the operation of the system, and in order to ensure the normal operation of the system, effective purification measures must be taken to remove various pollutants in the oil so as to improve or maintain the necessary cleanliness of the oil. The most effective and reliable purification method is filtration, and the existing engine oil filter paper has the defects of low filtration efficiency, poor filtration precision, low dust holding capacity, short service life, poor oil resistance, high temperature resistance and water resistance, large quality fluctuation and poor stability. For example, chinese patent application publication No.: CN103966914A, application publication date 2014, No. 08 and 06, entitled magnetic engine oil filter paper added with ceramic raw materials, which is prepared from the following raw materials in parts by weight: 56-59 parts of hardwood pulp, 40-43 parts of jute pulp, 2-3 parts of nano magnesium oxide, 1-2 parts of permalloy iron core, 2-3 parts of zinc oxide, 2-3 parts of clay, 0.5-1 part of titanate coupling agent TC-WT, 0.8-0.9 part of polyethylene oxide, 5-7 parts of polyethylacrylate, 3-5 parts of paraffin emulsion, 0.4-0.6 part of polyethylene glycol ether and 1-2 parts of auxiliary agent; the auxiliary agent is prepared from the following raw materials in parts by weight: 6-8 parts of diatomite, 3-5 parts of zeolite, 5-8 parts of hectorite, 4-6 parts of zircon powder, 2-3 parts of chopped glass fiber, 1-2 parts of magnesium oxide, 614-16 parts of nylon, 3-4 parts of bamboo charcoal powder and 2-3 parts of acetic acid; the preparation method comprises the steps of firstly putting the diatomite, the zeolite, the hectorite, the zircon powder and the chopped glass fiber into a ball mill, grinding into powder of 140 meshes with 100 meshes, and uniformly mixing; then heating nylon 6 to be softened, adding the rest components, stirring for 15-25 minutes, adding the mixed powder, continuously stirring and kneading for 30-45 minutes, and feeding into a double-screw extruder for granulation to obtain granules; and finally, putting the granules into a flour mill for crushing to obtain the fertilizer. The engine oil filter paper has the defects of low filtration efficiency, poor filtration precision, low dust holding capacity, short service life, poor oil resistance, high temperature resistance and water resistance, large quality fluctuation and poor stability.
Disclosure of Invention
The invention provides the engine oil filter paper with high filtration efficiency, high filtration precision, large dust holding capacity, long service life, high oil resistance, high temperature resistance, high water resistance and good stability and a preparation method thereof, aiming at solving the defects of low filtration efficiency, poor filtration precision, low dust holding capacity, short service life, large quality fluctuation and poor stability of the engine oil filter paper in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the machine oil filter paper comprises filter paper base paper and a dipping solution for dipping the filter paper base paper, wherein the filter paper base paper comprises the following components in parts by weight: 40-70 parts of softwood pulp, 30-50 parts of linter cotton pulp, 1-15 parts of fibrous binder, 20-40 parts of mixed plant fiber and 20-30 parts of mixed chemical fiber, wherein the mixed plant fiber comprises one or more combinations of willow fiber, willow leaf fiber, banana fiber, pineapple leaf fiber, psyllium fiber and mulberry fiber, the mixed chemical fiber comprises one or more combinations of viscose fiber, nitrate fiber, cuprammonium fiber, tetrafluoroethylene polymer fiber and polyacrylonitrile fiber, and the gum dipping solution comprises the following components in parts by weight: 40-50 parts of thermoplastic phenolic resin, 30-40 parts of polyvinyl butyral and 80-120 parts of industrial methanol. The engine oil filter paper prepared by the following preparation method by taking the raw materials in the above component ratio has the main performance indexes of less than or equal to 100S, average pore diameter of 25-28 mu m, burst strength of more than or equal to 340Kpa, filtering precision of less than 20 mu m, impurity removal rate of more than 96 percent, service life of 12000 kilometers and tensile strength of 12 KN.
Preferably, the sum of the weight parts of the mixed plant fibers and the mixed chemical fibers accounts for no more than 35% of the total weight parts of the engine oil filter paper.
Preferably, the mixed plant fiber comprises 4-8 parts of willow fiber, 4-8 parts of willow leaf fiber, 4-8 parts of banana fiber, 4-8 parts of pineapple leaf fiber and 4-8 parts of mulberry fiber in parts by weight.
Preferably, the mixed chemical fiber comprises 7-10 parts by weight of nitrate ester fiber, 6-10 parts by weight of copper ammonium fiber and 7-10 parts by weight of tetrafluoroethylene polymer fiber.
Preferably, the quantitative rate of the engine oil filter paper is 170 +/-10 g/square meter. And determining proper quantitative values to balance the balance relationship among the water absorption, the burst strength and the filtration rate, wherein if the quantitative values are too high, the filtration rate is too low, and if the quantitative values are too low, the water absorption and the burst strength are too low, so that the use is influenced.
A preparation method of engine oil filter paper comprises the following steps:
a) 40-70 parts of softwood pulp and 30-50 parts of linter cotton pulp are taken, pulped by a pulper and ground by a pulping machine, and the beating degree of the finished pulp is 17 +/-2 ℃;
b) taking 20-40 parts of mixed plant fiber and 20-30 parts of mixed chemical fiber, defibering by using a defibering machine, and grinding on line by using a double-disc refiner to obtain pulp with the pulp degree of 7-9 DEG SR;
c) mixing the pulp prepared in the step a) and the step b) in a pulping pool, adding 1-15 parts of fibrous binder, homogenizing, and then performing papermaking and press forming on an inclined wire paper machine or a flow measuring type cylinder paper machine to obtain base paper of the filter paper;
d) placing 40-50 parts of thermoplastic phenolic resin, 30-40 parts of polyvinyl butyral and 80-120 parts of industrial methanol in a reaction tank, fully stirring for at least 2 hours at the temperature of 70-90 ℃, cooling to room temperature, and filtering with 70-100-mesh gauze to obtain a target gum dipping solution;
e) dipping the filter paper base paper prepared in the step c) in the target dipping solution prepared in the step d), and gluing by adopting a roller coating mode of the intaglio screen surface;
f) drying and curing the impregnated base paper of the filter paper in the step e) in a drying cylinder at 140 ℃ to obtain the target engine oil filter paper.
Preferably, the sizing amount in the step e) is controlled to be 23 +/-5%.
The thermosetting air filter paper and the preparation method thereof have the following advantages: the filter has the advantages of high filtration efficiency, high filtration precision, large dust holding capacity, long service life, high oil resistance, high temperature resistance, high water resistance, good stability and convenient and safe use.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments.
Comparative example
The engine oil filter paper is prepared from the following raw materials in parts by weight: 56-59 parts of hardwood pulp, 40-43 parts of jute pulp, 2-3 parts of nano magnesium oxide, 1-2 parts of permalloy iron core, 2-3 parts of zinc oxide, 2-3 parts of clay, 0.5-1 part of titanate coupling agent TC-WT, 0.8-0.9 part of polyethylene oxide, 5-7 parts of polyethylacrylate, 3-5 parts of paraffin emulsion, 0.4-0.6 part of polyethylene glycol ether and 1-2 parts of auxiliary agent; the auxiliary agent is prepared from the following raw materials in parts by weight: 6-8 parts of diatomite, 3-5 parts of zeolite, 5-8 parts of hectorite, 4-6 parts of zircon powder, 2-3 parts of chopped glass fiber, 1-2 parts of magnesium oxide, 614-16 parts of nylon, 3-4 parts of bamboo charcoal powder and 2-3 parts of acetic acid; the preparation method comprises the steps of firstly putting the diatomite, the zeolite, the hectorite, the zircon powder and the chopped glass fiber into a ball mill, grinding into powder of 140 meshes with 100 meshes, and uniformly mixing; then heating nylon 6 to be softened, adding the rest components, stirring for 15-25 minutes, adding the mixed powder, continuously stirring and kneading for 30-45 minutes, and feeding into a double-screw extruder for granulation to obtain granules; and finally, putting the granules into a flour mill for crushing to obtain the fertilizer. The main performance indexes include filter speed not more than 120S, average pore size 35-38 μm, burst strength not less than 290Kpa, filter precision less than 32 μm, impurity removing rate more than 92%, service life 98000 km and tensile strength 10.2 KN.m.
Example 1
Taking 40 parts of softwood pulp, 30 parts of linter cotton pulp, 1 part of fibrous binder, 20 parts of mixed plant fiber and 20 parts of mixed chemical fiber, wherein the mixed plant fiber comprises 4 parts of willow fiber, 4 parts of willow leaf fiber, 4 parts of banana fiber, 4 parts of pineapple leaf fiber and 4 parts of mulberry fiber, the mixed chemical fiber comprises 7 parts of nitrate fiber, 6 parts of cuprammonium fiber and 7 parts of tetrafluoroethylene polymer fiber in parts by weight, the impregnating solution comprises 40 parts of thermoplastic phenolic resin, 30 parts of polyvinyl butyral and 80 parts of industrial methanol in parts by weight, and the preparation of the thermosetting air filter paper and the preparation of the impregnating solution are carried out according to the following steps:
a) taking softwood pulp and linter cotton pulp, pulping by a pulper, and pulping by a pulping machine, wherein the beating degree of the finished pulp is 15 ℃;
b) taking mixed plant fibers and mixed chemical fibers, defibering by using a fiber defibering machine, and online polishing by using a double-disc refiner to obtain a pulp with the pulp degree of 7 DEG SR;
c) mixing the pulp prepared in the step a) and the step b) in a pulping tank, adding 1 part of fibrous binder, homogenizing, and then making paper in an inclined wire paper machine or a flow measuring type cylinder paper machine and performing press molding to obtain base paper of filter paper;
d) placing thermoplastic phenolic resin, polyvinyl butyral and industrial methanol in a reaction tank, fully stirring for at least 2 hours at the temperature of 70-90 ℃, cooling to room temperature, and filtering with 70-100 meshes of gauze to obtain a target gum dipping solution;
e) dipping the filter paper base paper prepared in the step c) in the target dipping solution prepared in the step d), and gluing by adopting a roller coating mode of a gravure screen surface, wherein the gluing amount is controlled to be 18%;
f) drying and curing the impregnated base paper of the filter paper in the step e) in a drying cylinder at 140 ℃ to obtain the target engine oil filter paper.
Example 2
Taking 55 parts of softwood pulp, 40 parts of linter cotton pulp, 8 parts of fibrous binder, 30 parts of mixed plant fiber and 25 parts of mixed chemical fiber, wherein the mixed plant fiber comprises 6 parts of willow fiber, 6 parts of willow leaf fiber, 6 parts of banana fiber, 6 parts of pineapple leaf fiber and 6 parts of mulberry fiber, the mixed chemical fiber comprises 9 parts of nitrate fiber, 7 parts of cuprammonium fiber and 9 parts of tetrafluoroethylene polymer fiber in parts by weight, the impregnating solution comprises 45 parts of thermoplastic phenolic resin, 35 parts of polyvinyl butyral and 100 parts of industrial methanol in parts by weight, and the preparation of the thermosetting air filter paper and the preparation of the impregnating solution are carried out according to the following steps:
a) taking softwood pulp and linter cotton pulp, pulping by a pulper, and pulping by a pulping machine, wherein the beating degree of the finished pulp is 17 ℃;
b) taking mixed plant fibers and mixed chemical fibers, defibering by using a fiber defibering machine, and online polishing by using a double-disc refiner to obtain a pulp with the pulp degree of 8-degree SR;
c) mixing the pulp prepared in the step a) and the step b) in a pulping tank, adding 1 part of fibrous binder, homogenizing, and then making paper in an inclined wire paper machine or a flow measuring type cylinder paper machine and performing press molding to obtain base paper of filter paper;
d) placing thermoplastic phenolic resin, polyvinyl butyral and industrial methanol in a reaction tank, fully stirring for at least 2 hours at the temperature of 70-90 ℃, cooling to room temperature, and filtering with 70-100 meshes of gauze to obtain a target gum dipping solution;
e) dipping the filter paper base paper prepared in the step c) in the target dipping solution prepared in the step d), and gluing by adopting a roller coating mode of a gravure screen surface, wherein the gluing amount is controlled to be 23%;
f) drying and curing the impregnated base paper of the filter paper in the step e) in a drying cylinder at 140 ℃ to obtain the target engine oil filter paper.
Example 3
Taking 70 parts of softwood pulp, 50 parts of linter cotton pulp, 15 parts of fibrous binder, 40 parts of mixed plant fiber and 30 parts of mixed chemical fiber, wherein the mixed plant fiber comprises 8 parts of willow fiber, 8 parts of willow leaf fiber, 8 parts of banana fiber, 8 parts of pineapple leaf fiber and 8 parts of mulberry fiber, the mixed chemical fiber comprises 11 parts of nitrate fiber, 8 parts of cuprammonium fiber and 11 parts of tetrafluoroethylene polymer fiber in parts by weight, the impregnating solution comprises 50 parts of thermoplastic phenolic resin, 40 parts of polyvinyl butyral and 120 parts of industrial methanol in parts by weight, and the preparation of the thermosetting air filter paper and the preparation of the impregnating solution are carried out according to the following steps:
a) taking softwood pulp and linter cotton pulp, pulping by a pulper, and pulping by a pulping machine, wherein the beating degree of the finished pulp is 19 ℃;
b) taking mixed plant fibers and mixed chemical fibers, defibering by using a fiber defibering machine, and online polishing by using a double-disc refiner to obtain pulp with the pulp degree of 9 DEG SR;
c) mixing the pulp prepared in the step a) and the step b) in a pulping tank, adding 1 part of fibrous binder, homogenizing, and then making paper in an inclined wire paper machine or a flow measuring type cylinder paper machine and performing press molding to obtain base paper of filter paper;
d) placing thermoplastic phenolic resin, polyvinyl butyral and industrial methanol in a reaction tank, fully stirring for at least 2 hours at the temperature of 70-90 ℃, cooling to room temperature, and filtering with 70-100 meshes of gauze to obtain a target gum dipping solution;
e) dipping the filter paper base paper prepared in the step c) in the target dipping solution prepared in the step d), and gluing by adopting a roller coating mode of a gravure screen surface, wherein the gluing amount is controlled to be 28%;
f) drying and curing the impregnated base paper of the filter paper in the step e) in a drying cylinder at 140 ℃ to obtain the target engine oil filter paper.
The performance of the engine oil filter paper prepared in the comparative example and examples 1 to 3 was measured, and the measurement results are shown in table 1.
Table 1.
| Unit of | Comparative example | Example 1 | Example 2 | Example 3 | |
| Quantification of | g/㎡ | 162 | 173 | 178 | 181 |
| Filtration rate | S | 114 | 84 | 93 | 98 |
| Average pore diameter | μm | 35 | 26 | 26 | 25 |
| Burst strength | Kpa | 288 | 348 | 356 | 358 |
| Filter fineness | μm | ＜30 | 15 | 18 | 20 |
| Removal rate of impurities | % | 94 | 96 | 96 | 97 |
| Service life | Kilometer is | 98000 | 12000 | 12000 | 12000 |
| Tensile strength | KN·m | 10.5 | 12 | 12.3 | 12.3 |
According to the contents in table 1, the engine oil filter paper obtained by the invention has the advantages of high filtering efficiency, high filtering precision, large dust holding capacity, long service life, high oil resistance, high temperature resistance, high water resistance, high stability, and convenient and safe use after being subjected to 23 +/-5% gluing.
The raw materials and equipment used in the present invention are all the ones that are commonly used in the art unless otherwise specified, and the methods used in the present invention are all the ones that are conventional in the art unless otherwise specified.
The engine oil filter paper and the preparation method thereof have the beneficial effects of high filtering efficiency, high filtering precision, large dust holding capacity, long service life, high oil resistance, high temperature resistance, high water resistance, good stability, convenience and safety in use.
Claims (7)
1. The machine oil filter paper is characterized by comprising filter paper base paper and a dipping solution for dipping the filter paper base paper, wherein the filter paper base paper comprises the following components in parts by weight:
40-70 parts of softwood pulp;
30-50 parts of short-staple cotton pulp;
1-15 parts of fibrous binder;
20-40 parts of mixed plant fiber;
20-30 parts of mixed chemical fiber;
the mixed plant fiber comprises willow fiber, willow leaf fiber, banana fiber, pineapple leaf fiber, psyllium seed fiber and/or mulberry fiber;
the mixed chemical fiber comprises one or more of viscose fiber, nitrate fiber, copper ammonium fiber, tetrafluoroethylene polymer fiber and polyacrylonitrile fiber;
the gum dipping solution comprises the following components in parts by weight:
40-50 parts of thermoplastic phenolic resin;
30-40 parts of polyvinyl butyral;
80-120 parts of industrial methanol.
2. The engine oil filter paper as claimed in claim 1, wherein the sum of the weight parts of the mixed plant fiber and the mixed chemical fiber accounts for no more than 35% of the total weight parts of the engine oil filter paper.
3. The engine oil filter paper as set forth in claim 1 or 2, wherein the mixed plant fiber comprises 4-8 parts by weight of willow fiber, 4-8 parts by weight of willow leaf fiber, 4-8 parts by weight of banana fiber, 4-8 parts by weight of pineapple leaf fiber, and 4-8 parts by weight of mulberry fiber.
4. The engine oil filter paper as claimed in claim 1 or 2, wherein the mixed chemical fiber comprises, by weight, 7 to 10 parts of nitrate ester fiber, 6 to 10 parts of cuprammonium fiber, and 7 to 10 parts of tetrafluoroethylene polymer fiber.
5. The engine oil filter paper according to claim 1 or 2, wherein the engine oil filter paper has a quantitative of 170 ± 10g per square meter.
6. The method for preparing the engine oil filter paper as claimed in claims 1 to 5, which comprises the following steps: a) 40-70 parts of softwood pulp and 30-50 parts of linter cotton pulp are taken, pulped by a pulper and ground by a pulping machine, and the beating degree of the finished pulp is 17 +/-2 ℃;
b) taking 20-40 parts of mixed plant fiber and 20-30 parts of mixed chemical fiber, defibering by using a defibering machine, and grinding on line by using a double-disc refiner to obtain pulp with the pulp degree of 7-9 DEG SR;
c) mixing the pulp prepared in the step a) and the step b) in a pulping pool, adding 1-15 parts of fibrous binder, homogenizing, and then performing papermaking and press forming on an inclined wire paper machine or a flow measuring type cylinder paper machine to obtain base paper of the filter paper;
d) placing 40-50 parts of thermoplastic phenolic resin, 30-40 parts of polyvinyl butyral and 80-120 parts of industrial methanol in a reaction tank, fully stirring for at least 2 hours at the temperature of 70-90 ℃, cooling to room temperature, and filtering with 70-100-mesh gauze to obtain a target gum dipping solution;
e) dipping the filter paper base paper prepared in the step c) in the target dipping solution prepared in the step d), and gluing by adopting a roller coating mode of the intaglio screen surface;
f) drying and curing the impregnated base paper of the filter paper in the step e) in a drying cylinder at 140 ℃ to obtain the target engine oil filter paper.
7. The method as claimed in claim 6, wherein the amount of sizing in step e) is controlled to be 23 ± 5%.
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