CN106283910A - A kind of environment-friendly highly efficient low flow resistance filter paper and preparation method thereof - Google Patents

A kind of environment-friendly highly efficient low flow resistance filter paper and preparation method thereof Download PDF

Info

Publication number
CN106283910A
CN106283910A CN201610834465.6A CN201610834465A CN106283910A CN 106283910 A CN106283910 A CN 106283910A CN 201610834465 A CN201610834465 A CN 201610834465A CN 106283910 A CN106283910 A CN 106283910A
Authority
CN
China
Prior art keywords
layer
filter paper
melting point
point organic
low melting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610834465.6A
Other languages
Chinese (zh)
Other versions
CN106283910B (en
Inventor
陈照峰
吴操
李斌斌
王蕾
叶信立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
Original Assignee
Nanjing University of Aeronautics and Astronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201610834465.6A priority Critical patent/CN106283910B/en
Publication of CN106283910A publication Critical patent/CN106283910A/en
Application granted granted Critical
Publication of CN106283910B publication Critical patent/CN106283910B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres

Abstract

A kind of efficient low flow resistance filter paper, it is made up of 2～8 layers of independent stratum, it is characterized in that every layer of described independent stratum is all that 0.1～1.8mm glass fibre forms by the low melting point organic fiber cloth that thickness is 0.01～1.0mm and thickness, wherein ground floor glass fiber average diameter is 0.5～1.0 μm, second layer glass fiber average diameter is 1.1～1.5 μm, the fiber diameter of the most each layer all big 0.1～1.0 μm than last layer, between glass fibre in same layer, and melted by low melting point organic fiber cloth hot pressing between the glass fibre of different layers and bond.The invention also discloses the preparation method of a kind of efficient low flow resistance filter paper, it is characterised in that comprise the following steps: (1) dispersion slurrying；(2) storage pool pH regulator；(3) wet moulding；(4) hot pressing is combined；(5) it is dried.The present invention is had the beneficial effect that the most cost-effective；The most efficient low flow resistance；3. environmental protection.

Description

A kind of environment-friendly highly efficient low flow resistance filter paper and preparation method thereof
Technical field
The present invention relates to a kind of Filters and preparation method thereof, refer more particularly to a kind of environment-friendly highly efficient low flow resistance filter Paper and preparation method thereof.
Background technology
Air filter paper uses quite varied, along with socioeconomic fast development, medicine, bioscience, integrated circuit, The requirement of the toilets such as aseptic operating room is more and more higher, and traditional air filter paper, can only be by increasing in order to improve filter efficiency The increase adding unit weight and the thickness of air filter paper, unit weight and thickness can increase the most again the flow resistance of air filter paper, flow resistance Increase will reduce the service life of air filter paper, simultaneously as increase unit weight and the thickness of air filter paper, it is necessary to increase Adding the weight manufacturing air filter paper, but traditional filter material is monolayer, filter element aperture is single, it is impossible to meets treating capacity and processes essence The unification of degree, then people have employed Compound filtering material technology, is combined by the filter material of two or more different accuracy, Reach the balance for the treatment of capacity and processing accuracy.
The Chinese patent of patent No. CN200910043469.2, it is proposed that a kind of gradient pore structured titanium filter core and preparation thereof Method, by after titanium valve hydride powder sodium chloride powder mix homogeneously with binding agent mixing granulation, use powder altogether injection molding technology, First being injected into kernel portion, then injection moulding outer layer, the feeding that double injection shapes is different, be injected into senile appearance through defat desalination and After sintering, obtaining goods, this invention solves core/shell holes gap structure at structure design aspect and controls and the problem of bond strength, Realize high interfacial bonding strength and controlled pore structure can be reached (porosity of core/shell and aperture can be at 30-70 and 1400 Controlled), but owing to titanium is rare metal, cause relatively costly, promote difficulty relatively big, meanwhile, metal filtering core is at preparation and sintering During control to be difficult to, the uniformity in aperture is relatively low.
The Chinese patent of patent No. CN 201020301426.8 devises a kind of gradient filtration composite melt blowing filter element, solves General monolayer filter element aperture is single, it is impossible to meet treating capacity and the requirement of processing accuracy, filter element service life shorter skill simultaneously Art problem, but to prepare filter element relatively costly for compound melt blown technology, and yield is the biggest, it is impossible to fully meeting existing market needs Ask, significantly limit its application.
The Chinese patent of patent No. CN 201220360483.2 devises a kind of multi-gradient filtration compound fabric and solves Conventional multilayer filtration fabrics not only complex manufacturing technology, production cost are high, and in use top layer is the most blocked, mistake Filter efficiency and filtering accuracy are low, the problem that service life is shorter, but filter material uses organic material, not only resistance to elevated temperatures Poor, and yield is the least.
Summary of the invention
The purpose of the present invention is intended to overcome the deficiencies in the prior art, it is provided that a kind of environment-friendly highly efficient low flow resistance filter paper and system thereof Preparation Method, by multistage troughing beating process, uses troughing at different levels making beating raw fibre diameter, slurry PH and beating time Difference, it is achieved that the slurry obtained in different troughings has various sizes of fiber situation, then is had by low melting points at different levels Slurry is reached under hot press by organic fiber cloth, is melted and plays bonding by low melting point organic fiber cloth under high temperature, condition of high voltage Glass fibre is adhesively fixed by the effect of agent, it is achieved that many gradients filter material disposably generates, and greatly simplify existing the most terraced Degree filter material production technology, while improving strainability, also saves production cost.
A kind of environment-friendly highly efficient low flow resistance filter paper is the technical scheme is that, by 2～8 layers for realizing the purpose of the present invention Independent stratum forms, it is characterised in that every layer of described independent stratum is all by the low melting point organic fiber cloth that thickness is 0.01～1.0mm Being 0.1～1.8mm glass fibre composition with thickness, wherein ground floor glass fiber average diameter is 0.5～1.0 μm, the second layer Glass fiber average diameter is 1.1～1.5 μm, the fiber diameter of the most each layer all big 0.1～1.0 μm than last layer, Between glass fibre in same layer, and it is to be melted by low melting point organic fiber cloth hot pressing between the glass fibre of different layers And bond.
Described low melting point organic fiber cloth material be number-average molecular weight be the Low Density Polyethylene of 800～3400, low close Degree Polyethylene Glycol, nylon, Merlon, polyvinyl acetate, polyethylene terephthalate, polybutylene terephthalate One in ester.
The invention also discloses the preparation method of a kind of environment-friendly highly efficient low flow resistance filter paper, it is characterised in that include following step Rapid:
(1) dispersion slurrying: diameter chooses glass fibre cotton as described in claim 1, is then added respectively by selected raw material Enter the troughing of correspondence, and add water and mineral acid, stir and make pulp suspension；
(2) storage pool pH regulator: first each troughing pulp suspension to step (1) passes through plumbing installation after slagging tap Pumping to corresponding storage pool, then regulation pulp suspension pH is 6～8, and carry out pulp suspension storing pickling 10～ 50min；
(3) wet moulding: each layer slurry step (2) prepared all delivers to hot press with low melting point organic fiber cloth；
(4) hot pressing is combined: each layer low melting point organic fiber cloth being attached with slurry leads to the speed of 0.5～6cm/s jointly Crossing hot press, hot pressing temperature is 200～275 DEG C, the most preferably 250～265 DEG C, and hot pressing pressure is 5～80Mpa, the most preferably 10～50Mpa, low melting point organic fiber cloth melts, and is attached to each layer fiberglass surfacing or glass fibre lap-joint；
(5) be dried: the filter paper that hot pressing is combined with the speed identical with step (4) by temperature be 220～260 DEG C, A length of 4～the curing oven of 10m.
The present invention is had the beneficial effect that the most cost-effective, it is achieved that the filter paper of multistage filtering effect is once Property produce, decrease follow-up each graded composite technique of other techniques, Simplified flowsheet, improve production efficiency；The lowest Flow resistance, Gradient distribution and excellent uniformity make filter paper while having relatively low flow resistance, also have higher filter efficiency； 3. environmental protection, directly by the fusing sizing of low melting point grid cloth in production, it is not necessary to spray any adhesive product, produce more ring Protect.
Accompanying drawing explanation
Fig. 1 is environment-friendly highly efficient low flow resistance filter paper preparation technology flow chart
Wherein reference 11-troughing 12-conveyance conduit
13-storage pool 14-contains the low melting point organic fiber cloth of slurry
The efficient low flow resistance filter paper of 15-curing oven 16-
17-thermal cycle wind 18-hot press
Detailed description of the invention
Below in conjunction with specific embodiment, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalences to the present invention The amendment of form all falls within the application claims and is limited.
Embodiment 1
A kind of environment-friendly highly efficient low flow resistance filter paper, is made up of 2 layers of independent stratum, it is characterised in that every layer of described independent stratum is all It is that 0.1mm glass fibre forms by the low melting point organic fiber cloth that thickness is 0.01mm and thickness, wherein ground floor glass fibre Average diameter is 0.5 μm, and second layer glass fiber average diameter is 1.1 μm, between the glass fibre in same layer and different Melted by low melting point organic fiber cloth hot pressing between the glass fibre of layer and bond.
Described low melting point organic fiber cloth material be number-average molecular weight be the Low Density Polyethylene of 800.
The invention also discloses the preparation method of a kind of environment-friendly highly efficient low flow resistance filter paper, it is characterised in that include following step Rapid:
(1) dispersion slurrying: diameter chooses glass fibre cotton as described in claim 1, is then added respectively by selected raw material Enter the troughing of correspondence, and add water and mineral acid, stir and make pulp suspension；
(2) storage pool pH regulator: first each troughing pulp suspension to step (1) passes through plumbing installation after slagging tap Pumping to corresponding storage pool, then regulation pulp suspension pH is 6, and carries out pulp suspension storing pickling 10min；
(3) wet moulding: each layer slurry step (2) prepared all delivers to hot press with low melting point organic fiber cloth；
(4) hot pressing is combined: each layer low melting point organic fiber cloth being attached with slurry passes through heat with the speed of 0.5cm/s jointly Press, hot pressing temperature is 200 DEG C, and hot pressing pressure is 5Mpa, and low melting point organic fiber cloth melts, and is attached to each layer glass fibers dimension table Face or glass fibre lap-joint；
(5) it is dried: filter paper hot pressing being combined is 220 DEG C, a length of 4m with the speed identical with step (4) by temperature Curing oven.
Embodiment 2
A kind of environment-friendly highly efficient low flow resistance filter paper, is made up of 4 layers of independent stratum, it is characterised in that every layer of described independent stratum is all Being that 1.0mm glass fibre forms by the low melting point organic fiber cloth that thickness is 0.5mm and thickness, wherein ground floor glass fibre is put down The most a diameter of 0.6 μm, second layer glass fiber average diameter is 1.2 μm, and third layer glass fiber average diameter is 1.8 μm, the Four-layer glass average fibre diameter is 2.4 μm, between the glass fibre in same layer, and between the glass fibre of different layers is Melted by low melting point organic fiber cloth hot pressing and bond.
Described low melting point organic fiber cloth material be number-average molecular weight be the Merlon of 2200.
The invention also discloses the preparation method of a kind of environment-friendly highly efficient low flow resistance filter paper, it is characterised in that include following step Rapid:
(1) dispersion slurrying: diameter chooses glass fibre cotton as described in claim 1, is then added respectively by selected raw material Enter the troughing of correspondence, and add water and mineral acid, stir and make pulp suspension；
(2) storage pool pH regulator: first each troughing pulp suspension to step (1) passes through plumbing installation after slagging tap Pumping to corresponding storage pool, then regulation pulp suspension pH is 7, and carry out pulp suspension storing pickling 10～ 50min；
(3) wet moulding: each layer slurry step (2) prepared all delivers to hot press with low melting point organic fiber cloth；
(4) hot pressing is combined: each layer low melting point organic fiber cloth being attached with slurry passes through hot pressing with the speed of 3cm/s jointly Machine, hot pressing temperature is 250 DEG C, and hot pressing pressure is 50Mpa, and low melting point organic fiber cloth melts, and is attached to each layer glass fibers dimension table Face or glass fibre lap-joint；
(5) it is dried: filter paper hot pressing being combined is 240 DEG C, a length of 7m with the speed identical with step (4) by temperature Curing oven.
Embodiment 3
A kind of environment-friendly highly efficient low flow resistance filter paper, is made up of 8 layers of independent stratum, it is characterised in that every layer of described independent stratum is all Being that 1.8mm glass fibre forms by the low melting point organic fiber cloth that thickness is 1.0mm and thickness, wherein ground floor glass fibre is put down The most a diameter of 1.0 μm, second layer glass fiber average diameter is 1.5 μm, and third layer glass fiber average diameter is 2 μm, the 4th Layer glass fiber average diameter is 2.5 μm, and layer 5 glass fiber average diameter is 3 μm, layer 6 glass fiber average diameter Being 3.5 μm, layer 7 glass fiber average diameter is 4 μm, and the 8th layer of glass fiber average diameter is 4.5 μm, and different layers Glass fibre between by low melting point organic fiber cloth hot pressing melt and bond.
Described low melting point organic fiber cloth material be number-average molecular weight be the polybutylene terephthalate (PBT) of 3400.
The invention also discloses the preparation method of a kind of environment-friendly highly efficient low flow resistance filter paper, it is characterised in that include following step Rapid:
(1) dispersion slurrying: diameter chooses glass fibre cotton as described in claim 1, is then added respectively by selected raw material Enter the troughing of correspondence, and add water and mineral acid, stir and make pulp suspension；
(2) storage pool pH regulator: first each troughing pulp suspension to step (1) passes through plumbing installation after slagging tap Pumping to corresponding storage pool, then regulation pulp suspension pH is 8, and carry out pulp suspension storing pickling 10～ 50min；
(3) wet moulding: each layer slurry step (2) prepared all delivers to hot press with low melting point organic fiber cloth；
(4) hot pressing is combined: each layer low melting point organic fiber cloth being attached with slurry passes through hot pressing with the speed of 6cm/s jointly Machine, hot pressing temperature is 275 DEG C, and hot pressing pressure is 80Mpa, and low melting point organic fiber cloth melts, and is attached to each layer glass fibers dimension table Face or glass fibre lap-joint；
(5) be dried: the filter paper that hot pressing is combined with the speed identical with step (4) by temperature be 260 DEG C, a length of The curing oven of 10m.
Above are only two detailed description of the invention of the present invention, but the design concept of the present invention is not limited thereto, all profits With this design, the present invention is carried out the change of unsubstantiality, the behavior invading the scope of protection of the invention all should be belonged to.In every case it is Without departing from the content of technical solution of the present invention, any type of letter above example made according to the technical spirit of the present invention Single amendment, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.

Claims (3)

1. an environment-friendly highly efficient low flow resistance filter paper, is made up of 2～8 layers of independent stratum, it is characterised in that every layer of described independent stratum It is all that 0.1～1.8mm glass fibre forms by the low melting point organic fiber cloth that thickness is 0.01～1.0mm and thickness, Qi Zhong Layer of glass average diameter is 0.5～1.0 μm, and second layer glass fiber average diameter is 1.1～1.5 μm, the most each Fiber diameter all big 0.1～1.0 μm than last layer of layer, between the glass fibre in same layer, and the glass of different layers Melted by low melting point organic fiber cloth hot pressing between glass fiber and bond.
Filter paper the most according to claim 1, it is characterised in that described low melting point organic fiber cloth material is several equal molecules Amount is Low Density Polyethylene, low density polyethylene glycol, nylon, Merlon, the polyvinyl acetate of 800～3400, gathers benzene One in naphthalate, polybutylene terephthalate (PBT).
3. the invention also discloses the preparation method of a kind of environment-friendly highly efficient low flow resistance filter paper, it is characterised in that include following step Rapid:
(1) dispersion slurrying: diameter chooses glass fibre cotton as described in claim 1, and it is right to be then separately added into by selected raw material The troughing answered, and add water and mineral acid, stir and make pulp suspension；
(2) storage pool pH regulator: first each troughing pulp suspension to step (1) is pumped by conveyance conduit after slagging tap To corresponding storage pool, then regulation pulp suspension pH is 6～8, and carry out pulp suspension storing pickling 10～ 50min；
(3) wet moulding: each layer slurry step (2) prepared all delivers to hot press with low melting point organic fiber cloth；
(4) hot pressing is combined: each layer low melting point organic fiber cloth being attached with slurry passes through heat with the speed of 0.5～6cm/s jointly Press, hot pressing temperature is 200～275 DEG C, the most preferably 250～265 DEG C, and hot pressing pressure is 5～80Mpa, the most preferably 10～ 50Mpa, low melting point organic fiber cloth melts, is attached to each layer fiberglass surfacing or glass fibre lap-joint；
(5) be dried: the filter paper that hot pressing is combined with the speed identical with step (4) by temperature be 220～260 DEG C, a length of 4 ～the curing oven solidification of 10m obtains efficient low flow resistance filter paper.
CN201610834465.6A 2016-09-08 2016-09-08 Low flow resistance filter paper of a kind of environment-friendly highly efficient and preparation method thereof Active CN106283910B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610834465.6A CN106283910B (en) 2016-09-08 2016-09-08 Low flow resistance filter paper of a kind of environment-friendly highly efficient and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610834465.6A CN106283910B (en) 2016-09-08 2016-09-08 Low flow resistance filter paper of a kind of environment-friendly highly efficient and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106283910A true CN106283910A (en) 2017-01-04
CN106283910B CN106283910B (en) 2018-09-25

Family

ID=57712922

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610834465.6A Active CN106283910B (en) 2016-09-08 2016-09-08 Low flow resistance filter paper of a kind of environment-friendly highly efficient and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106283910B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112501938A (en) * 2020-12-01 2021-03-16 南京玻璃纤维研究设计院有限公司 High-dust-holding and static-dissipation glass fiber filter material and preparation method thereof
CN114086425A (en) * 2021-11-23 2022-02-25 上海邀加科技有限公司 Novel glass fiber net construction method
CN115948940A (en) * 2022-12-05 2023-04-11 南京玻璃纤维研究设计院有限公司 Preparation method of salt spray filter paper and salt spray filter paper
CN117026684A (en) * 2023-07-12 2023-11-10 山东仁丰特种材料股份有限公司 High-performance gradient glass fiber liquid filter paper and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2383859Y (en) * 1999-08-17 2000-06-21 桐乡市健民过滤材料有限公司 Composite filtering cloth
JP2001276530A (en) * 2000-03-06 2001-10-09 Daejung Clean Co Ltd Multilayer nonwoven fabric for gas filter
CN101554549A (en) * 2008-04-11 2009-10-14 陈洪和 Manufacturing method of trapezoidal air filtering belt
CN105350376A (en) * 2015-10-27 2016-02-24 南京航空航天大学 Method for preparing laminar-distribution filter paper through multistage storage tank device
CN105396373A (en) * 2015-10-22 2016-03-16 南京航空航天大学 Preparation method of multilayer filtering material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2383859Y (en) * 1999-08-17 2000-06-21 桐乡市健民过滤材料有限公司 Composite filtering cloth
JP2001276530A (en) * 2000-03-06 2001-10-09 Daejung Clean Co Ltd Multilayer nonwoven fabric for gas filter
CN101554549A (en) * 2008-04-11 2009-10-14 陈洪和 Manufacturing method of trapezoidal air filtering belt
CN105396373A (en) * 2015-10-22 2016-03-16 南京航空航天大学 Preparation method of multilayer filtering material
CN105350376A (en) * 2015-10-27 2016-02-24 南京航空航天大学 Method for preparing laminar-distribution filter paper through multistage storage tank device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112501938A (en) * 2020-12-01 2021-03-16 南京玻璃纤维研究设计院有限公司 High-dust-holding and static-dissipation glass fiber filter material and preparation method thereof
CN114086425A (en) * 2021-11-23 2022-02-25 上海邀加科技有限公司 Novel glass fiber net construction method
CN115948940A (en) * 2022-12-05 2023-04-11 南京玻璃纤维研究设计院有限公司 Preparation method of salt spray filter paper and salt spray filter paper
CN117026684A (en) * 2023-07-12 2023-11-10 山东仁丰特种材料股份有限公司 High-performance gradient glass fiber liquid filter paper and preparation method and application thereof

Also Published As

Publication number Publication date
CN106283910B (en) 2018-09-25

Similar Documents

Publication Publication Date Title
CN106283910A (en) A kind of environment-friendly highly efficient low flow resistance filter paper and preparation method thereof
CN103395102B (en) UV (ultraviolet) paint veneering plywood and method for coating special-shaped base material
CN104060497B (en) A kind of high-performance light basis weight air filter paper and preparation method thereof
CN103465572B (en) Production method of automobile interior trim panels made of natural fiber/thermoplastic resin composite materials
CN109594745B (en) Anti-slip colorful PVC waterproof coiled material floor
CN103924441B (en) A kind of fabrics regenerating nylon particle and make
CN104589746B (en) A kind of decoration composite sheet structures and preparation method thereof
CN101638813A (en) Producing method for spinning heterogeneous colored terylene preoriented continuous yarn by recycled polyester bottle sheet materials
CN102732994A (en) Restorable photochromic artificial hairline and its preparation method
CN107237154A (en) A kind of aqueous synthesis of artificial leather and its manufacture method
CN106120359B (en) A kind of manufacturing method of waterproof coating cloth
CN102864511A (en) Method for producing hollow colored terylene pre-oriented filament yarn through recyclable polyester bottle pieces
CN203380978U (en) UV lacquered plywood used for coating irregularly shaped substrate
CN107905491B (en) A kind of PVC stone plastic floor manufacturing method
CN109763346B (en) Preparation method of base-fabric-free non-woven filter material and base-fabric-free non-woven filter material
CN205398792U (en) Profile polyester fiber
CN110205820A (en) A kind of functional fibre and preparation method thereof
CN108823794A (en) A kind of fabric nonwoven cloth and preparation method thereof
CN105383119A (en) High-strength nonwoven fabric for picture production
CN102771928A (en) Denim fabric
CN103014910A (en) Sewing thread with high softening point, preparation method and application of same
CN102553182A (en) Baseball and softball processing method
CN201395734Y (en) Garment fabric
CN105220364A (en) Dry wet two kinds become net modes to combine the nonwoven material of water thorn consolidation
CN202865412U (en) Preparation device of coated composite polyester high tenacity industrial yarns

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant