CN105755902A - Nano bypass filter paper and preparing method thereof - Google Patents
Nano bypass filter paper and preparing method thereof Download PDFInfo
- Publication number
- CN105755902A CN105755902A CN201610269489.1A CN201610269489A CN105755902A CN 105755902 A CN105755902 A CN 105755902A CN 201610269489 A CN201610269489 A CN 201610269489A CN 105755902 A CN105755902 A CN 105755902A
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- nano
- filter paper
- oil filter
- nanometer
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
-
- 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
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides nano bypass filter paper.The nano bypass filter paper comprises raw paper and melt-blown non-woven fabric, wherein the raw paper comprises bamboo pulp, herba junci setchuensis pulp, softwood pulp, gypsum fibers, glass fibers, a fibrous binding agent, lignin, nano-crystalline cellulose and a dispersing agent; the melt-blown non-woven fabric comprises polypropylene, polypropylene carbonate, polyethylene glycol and melamino-formaldehyde.All the pulp is treated through an ultrahigh-pressure microjet nano dispersion machine to obtain cellulose nanofibers, and the cellulose nanofibers are harder and lighter than iron and can realize paper sheet light weight when used in the filter paper industry.
Description
Technical field
The present invention relates to filter paper technical field, be specifically related to a kind of nanometer bypass oil filter paper and preparation method thereof.
Background technology
Bypass oil filter paper is the important composition parts in oil filter, is related to the overall performance of oil filter.But existing bypass oil filter paper adopts common wood pulp to be the filter course a kind of made of paper that main component is made, but because normal wood pulp fibres is relatively thin, tightness is high, the bypass oil filter paper ubiquity therefore made the shortcomings such as tightness is high, filter efficiency is low, the life-span is short, page is thick and heavy.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of nanometer bypass oil filter paper, has not only filter effect high, and the characteristic with the high temperature resistant environment-protective of resistance to profit has page lightweight simultaneously.
For realizing goal of the invention, the present invention by the following technical solutions:
A kind of nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, described body paper, counts, by weight including following components:
Described melt-blowing nonwoven, counts by weight, including following components:
More preferably, a kind of nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, described body paper, count by weight, including following components:
As preferably, described fibrous binding agent is include one or more mixture in WATER-SOLUBLE PVA FIBER, vinyon fibre, low-melting point polyester.
As preferably, described dispersant includes PAMA or polyoxyethylene.
In the present invention, poly (propylene carbonate) is a kind of novel complete biodegradable fatty poly-ester carbonate, is the environment-friendly type plastic of Wholly-degradable, because it has good biological degradability and pliability, is widely used in every field.
Melamine resin is a kind of broad-spectrum thermoset amino resin, and it as adhesive, laminated material, coating, moulding compound resin, as the inorganic agent of fabric, paper, leather etc., can have high reactivity and bridging property again.
As preferably, described polypropylene includes polypropylene granules and polypropylene modification low melting point plastic master batch, and described polypropylene granules and polypropylene modification low melting point plastic master batch mass ratio are 6:4.
As preferably, the quantification of 200 ± 10g/ of described nanometer bypass oil filter paper, thickness is at least 2.0mm.
The preparation method that the invention still further relates to above-mentioned nanometer of bypass oil filter paper, the technological means taked is:
The preparation method of a kind of nanometer of bypass oil filter paper, comprises the steps:
1) by dosage bamboo pulp, Herba Poae Sphondylodis slurry, softwood pulp, gypsum fiber and glass fibre added water to carry out peeling off, tearing into diameter under the effect carrying out being blended in super-voltage micro jet nano-dispersed machine be between 15~100nm, length is at the cellulose nano-fibrous slurry of 200nm~20 micron, in described slurry, the percentage by weight of cellulose nanofiber is 10~30%, it is preferred to 15~28%;
2) being dispersed in water by the nano cellulose crystal of dosage and obtain stable nano cellulose crystal colloid, wherein the mass fraction of the nano cellulose crystal of this nano cellulose crystal colloid is 3~8%, it is preferred to 4~6%;
3) by step 1) the cellulose nano-fibrous slurry of gained, step 2) the nano cellulose crystal colloid that obtains, threadiness binding agent, lignin, dispersant carry out making beating in beater and obtain pulping, the beating consistency of pulping is 3.5-4.5%, the pulping of beating degree 30-50 ° of SR, weight in wet base 6-8g;
4) by step 3) online of the pulping condition routinely that obtains manufactures paper with pulp and squeezes and obtain body paper;
5) by the polypropylene of formula ratio, poly (propylene carbonate), Polyethylene Glycol and melamine resin mix homogeneously, feeding polymer spray webbing becomes net system, by screw extruder melt blending, superfine fibre is obtained through spray webbing, drafting system, receiving, shaped device forms blended melt spray fibre web, rely on self to bind and form melt-blowing nonwoven;
6) melt-blowing nonwoven and body paper are superimposed, carry out pressure roller with double; two roller hot presses so that two fibre layers forms nanometer bypass oil filter paper that mutual felt is pricked.
Various slurries are obtained cellulose nano-fibrous by super-voltage micro jet nano-dispersed machine by the present invention, and this is cellulose nano-fibrous has harder lighter characteristic than ferrum, can realize page lightweight for filter paper industry.
Bamboo pulp is the paper pulp of moderate fiber length, carefully soft.Sheet pulp bulk, tearability are high, and pop strength and tensile strength are relatively low, have higher mechanical strength;Herba Poae Sphondylodis slurry is clean tough, and fiber is elongated, has superior intertexture power, becomes paper relatively smooth, and mechanical strength is good;Nano cellulose crystal (nano-crystallinecellulose, NCC), its particle diameter is typically between 30~100nm, specific surface area is very big, dicyandiamide solution can be dispersed in steadily in the long term and form accurate alternately dispersion, in water, dispersion forms stable NCC colloid, nano-cellulose light weight, excellent in mechanical performance, light transmission, its biological degradability is also that other reinforcing materials cannot be compared with recyclability, and NCC has good development prospect as enhancing, retention, filter aid in pulping and paper-making;Body paper and melt-blowing nonwoven form double-deck filter paper simultaneously, it is provided that the resistant to elevated temperatures characteristic of resistance to profit of filter paper, and add poly (propylene carbonate), add environmental-protecting performance.
Detailed description of the invention
The invention is further illustrated by the following examples, but the present invention is not limited solely to following example.
Embodiment 1
A kind of nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, described body paper, counts by weight, including bamboo pulp 20 parts, Herba Poae Sphondylodis starches 30 parts, softwood pulp 30 parts, gypsum fiber 20 parts, glass fibre 20 parts, threadiness binding agent 1 part, lignin 0.2 part, nano cellulose crystal 2.8 parts, dispersant 2.5 parts, described melt-blowing nonwoven, counts by weight, including polypropylene 80 parts, poly (propylene carbonate) 40 parts, Polyethylene Glycol 20 parts, melamine resin 30 parts.
Described fibrous binding agent is WATER-SOLUBLE PVA FIBER;Described dispersant includes PAMA;Described polypropylene includes polypropylene granules and polypropylene modification low melting point plastic master batch, and described polypropylene granules and polypropylene modification low melting point plastic master batch mass ratio are 6:4.
The preparation method of this nanometer of bypass oil filter paper, comprises the steps:
1) by dosage bamboo pulp, Herba Poae Sphondylodis slurry, softwood pulp, gypsum fiber and glass fibre added water to carry out peeling off, tearing into diameter under the effect carrying out being blended in super-voltage micro jet nano-dispersed machine be between 15~100nm, length is at the cellulose nano-fibrous slurry of 200nm~20 micron, and in described slurry, the percentage by weight of cellulose nanofiber is 15%;
2) being dispersed in water by the nano cellulose crystal of dosage and obtain stable nano cellulose crystal colloid, wherein the mass fraction of the nano cellulose crystal of this nano cellulose crystal colloid is 6%;
3) by step 1) the cellulose nano-fibrous slurry of gained, step 2) the nano cellulose crystal colloid that obtains, threadiness binding agent, lignin, dispersant carry out making beating in beater and obtain pulping, the beating consistency of pulping is 4.5%, the pulping of beating degree 50 ° of SR, weight in wet base 8g;
4) by step 3) online of the pulping condition routinely that obtains manufactures paper with pulp and squeezes and obtain body paper;
5) by the polypropylene of formula ratio, poly (propylene carbonate), Polyethylene Glycol and melamine resin mix homogeneously, feeding polymer spray webbing becomes net system, by screw extruder melt blending, superfine fibre is obtained through spray webbing, drafting system, receiving, shaped device forms blended melt spray fibre web, rely on self to bind and form melt-blowing nonwoven;
6) melt-blowing nonwoven and body paper are superimposed, carry out pressure roller with double; two roller hot presses so that two fibre layers forms nanometer bypass oil filter paper that mutual felt is pricked.
Embodiment 2
A kind of nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, described body paper, counts by weight, including bamboo pulp 40 parts, Herba Poae Sphondylodis starches 60 parts, softwood pulp 40 parts, gypsum fiber 20 parts, glass fibre 50 parts, threadiness binding agent 5 parts, lignin 3 parts, nano cellulose crystal 2 parts, dispersant 0.5 part, described melt-blowing nonwoven, counts by weight, including polypropylene 30 parts, poly (propylene carbonate) 40 parts, Polyethylene Glycol 30 parts, melamine resin 10 parts.
Described fibrous binding agent is vinyon fibre;Described dispersant includes polyoxyethylene;Described polypropylene includes polypropylene granules and polypropylene modification low melting point plastic master batch, and described polypropylene granules and polypropylene modification low melting point plastic master batch mass ratio are 6:4.
The preparation method of this nanometer of bypass oil filter paper, comprises the steps:
1) by dosage bamboo pulp, Herba Poae Sphondylodis slurry, softwood pulp, gypsum fiber and glass fibre added water to carry out peeling off, tearing into diameter under the effect carrying out being blended in super-voltage micro jet nano-dispersed machine be between 15~100nm, length is at the cellulose nano-fibrous slurry of 200nm~20 micron, and in described slurry, the percentage by weight of cellulose nanofiber is 28%;
2) being dispersed in water by the nano cellulose crystal of dosage and obtain stable nano cellulose crystal colloid, wherein the mass fraction of the nano cellulose crystal of this nano cellulose crystal colloid is 8%;
3) by step 1) the cellulose nano-fibrous slurry of gained, step 2) the nano cellulose crystal colloid that obtains, threadiness binding agent, lignin, dispersant carry out making beating in beater and obtain pulping, the beating consistency of pulping is 3.5%, the pulping of beating degree 30SR, weight in wet base 6g;
4) by step 3) online of the pulping condition routinely that obtains manufactures paper with pulp and squeezes and obtain body paper;
5) by the polypropylene of formula ratio, poly (propylene carbonate), Polyethylene Glycol and melamine resin mix homogeneously, feeding polymer spray webbing becomes net system, by screw extruder melt blending, superfine fibre is obtained through spray webbing, drafting system, receiving, shaped device forms blended melt spray fibre web, rely on self to bind and form melt-blowing nonwoven;
6) melt-blowing nonwoven and body paper are superimposed, carry out pressure roller with double; two roller hot presses so that two fibre layers forms nanometer bypass oil filter paper that mutual felt is pricked.
Embodiment 3
A kind of nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, described body paper, counts by weight, including bamboo pulp 50 parts, Herba Poae Sphondylodis starches 50 parts, softwood pulp 40 parts, gypsum fiber 25 parts, glass fibre 40 parts, threadiness binding agent 10 parts, lignin 2 parts, nano cellulose crystal 1 part, dispersant 1 part, described melt-blowing nonwoven, counts by weight, including polypropylene 60 parts, poly (propylene carbonate) 30 parts, Polyethylene Glycol 20 parts, melamine resin 30 parts.
Described fibrous binding agent is low-melting point polyester;Described dispersant includes PAMA;Described polypropylene includes polypropylene granules and polypropylene modification low melting point plastic master batch, and described polypropylene granules and polypropylene modification low melting point plastic master batch mass ratio are 6:4.
The preparation method of this nanometer of bypass oil filter paper, comprises the steps:
1) by dosage bamboo pulp, Herba Poae Sphondylodis slurry, softwood pulp, gypsum fiber and glass fibre added water to carry out peeling off, tearing into diameter under the effect carrying out being blended in super-voltage micro jet nano-dispersed machine be between 15~100nm, length is at the cellulose nano-fibrous slurry of 200nm~20 micron, and in described slurry, the percentage by weight of cellulose nanofiber is 18%;
2) being dispersed in water by the nano cellulose crystal of dosage and obtain stable nano cellulose crystal colloid, wherein the mass fraction of the nano cellulose crystal of this nano cellulose crystal colloid is 4%;
3) by step 1) the cellulose nano-fibrous slurry of gained, step 2) the nano cellulose crystal colloid that obtains, threadiness binding agent, lignin, dispersant carry out making beating in beater and obtain pulping, the beating consistency of pulping is 4.0%, the pulping of beating degree 35 ° of SR, weight in wet base 7g;
4) by step 3) online of the pulping condition routinely that obtains manufactures paper with pulp and squeezes and obtain body paper;
5) by the polypropylene of formula ratio, poly (propylene carbonate), Polyethylene Glycol and melamine resin mix homogeneously, feeding polymer spray webbing becomes net system, by screw extruder melt blending, superfine fibre is obtained through spray webbing, drafting system, receiving, shaped device forms blended melt spray fibre web, rely on self to bind and form melt-blowing nonwoven;
6) melt-blowing nonwoven and body paper are superimposed, carry out pressure roller with double; two roller hot presses so that two fibre layers forms nanometer bypass oil filter paper that mutual felt is pricked.
The bypass oil filter paper technical specification that above-described embodiment prepares is as shown in the table:
Claims (7)
1. nanometer bypass oil filter paper, including body paper and melt-blowing nonwoven, its spy is in that described body paper, counts by weight, including following components:
Described melt-blowing nonwoven, counts by weight, including following components:
2. according to claim 1 nanometer of bypass oil filter paper, it is characterised in that described body paper, counts, by weight including following components:
3. according to claim 1 nanometer of bypass oil filter paper, it is characterised in that described fibrous binding agent is include one or more mixture in WATER-SOLUBLE PVA FIBER, vinyon fibre, low-melting point polyester.
4. according to claim 1 nanometer of bypass oil filter paper, it is characterised in that described dispersant includes PAMA or polyoxyethylene.
5. according to claim 1 nanometer of bypass oil filter paper, it is characterised in that described polypropylene includes polypropylene granules and polypropylene modification low melting point plastic master batch, and described polypropylene granules and polypropylene modification low melting point plastic master batch mass ratio are 6:4.
6. according to claim 1 nanometer of bypass oil filter paper, it is characterised in that the quantification of 200 ± 10g/ of described bypass oil filter paper, thickness is at least 2.0mm.
7. the preparation method of nanometer bypass oil filter paper as described in as arbitrary in claim 1 to 5, it is characterised in that comprise the steps:
1) by dosage bamboo pulp, Herba Poae Sphondylodis slurry, softwood pulp, gypsum fiber and glass fibre added water to carry out peeling off, tearing into diameter under the effect carrying out being blended in super-voltage micro jet nano-dispersed machine be between 15 100nm, length is at the cellulose nano-fibrous slurry of 200nm~20 micron, and in described slurry, the percentage by weight of cellulose nanofiber is 10~30%;
2) being dispersed in water by the nano cellulose crystal of dosage and obtain stable nano cellulose crystal colloid, wherein the mass fraction of the nano cellulose crystal of this nano cellulose crystal colloid is 3~8%;
3) by step 1) the cellulose nano-fibrous slurry of gained, step 2) the nano cellulose crystal colloid that obtains, threadiness binding agent, lignin, dispersant carry out making beating in beater and obtain pulping, the beating consistency of pulping is 3.5-4.5%, the pulping of beating degree 30-50 ° of SR, weight in wet base 6-8g;
4) by step 3) online of the pulping condition routinely that obtains manufactures paper with pulp and squeezes and obtain body paper;
5) by the polypropylene of formula ratio, poly (propylene carbonate), Polyethylene Glycol and melamine resin mix homogeneously, feeding polymer spray webbing becomes net system, by screw extruder melt blending, superfine fibre is obtained through spray webbing, drafting system, receiving, shaped device forms blended melt spray fibre web, rely on self to bind and form melt-blowing nonwoven;
6) melt-blowing nonwoven and body paper are superimposed, carry out pressure roller with double; two roller hot presses so that two fibre layers forms nanometer bypass oil filter paper that mutual felt is pricked.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108456997A (en) * | 2018-03-23 | 2018-08-28 | 宁夏佳美精细纸制品有限公司 | A kind of double raw materials for production and its production technology for spinning paper of melt-blown |
CN113529486A (en) * | 2020-04-20 | 2021-10-22 | 杭州特种纸业有限公司 | High-strength high-filtering-efficiency composite air filter paper |
CN114075801A (en) * | 2020-08-18 | 2022-02-22 | 杭州特种纸业有限公司 | Nanometer bypass filter paper and preparation method thereof |
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CN104911945A (en) * | 2015-05-11 | 2015-09-16 | 杭州特种纸业有限公司 | High-precision diesel oil composite filter paper, and production method and application thereof |
CN105208989A (en) * | 2013-03-15 | 2015-12-30 | 博凯技术公司 | Multilayer nonwoven material |
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CN102041751A (en) * | 2010-11-25 | 2011-05-04 | 浙江省普瑞科技有限公司 | High-temperature edible oil filter paper and manufacturing method thereof |
CN102121206A (en) * | 2010-12-21 | 2011-07-13 | 张金 | High-air-permeability paper pulp and preparation method and application thereof |
CN105208989A (en) * | 2013-03-15 | 2015-12-30 | 博凯技术公司 | Multilayer nonwoven material |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108456997A (en) * | 2018-03-23 | 2018-08-28 | 宁夏佳美精细纸制品有限公司 | A kind of double raw materials for production and its production technology for spinning paper of melt-blown |
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CN114075801A (en) * | 2020-08-18 | 2022-02-22 | 杭州特种纸业有限公司 | Nanometer bypass filter paper and preparation method thereof |
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Address after: 311407, Zhejiang City, Hangzhou province Fuyang deer Hill Street Industrial Zone on the top Applicant after: Hangzhou Special Paper Industry Co., Ltd. Address before: 311407, Zhejiang City, Hangzhou province Fuyang deer Hill Street Industrial Zone on the top Applicant before: Hangzhou Special Paper Industry Co., Ltd. |
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Application publication date: 20160713 |