CN107012742A - A kind of breakage-proof air purification filter paper and preparation method - Google Patents

A kind of breakage-proof air purification filter paper and preparation method Download PDF

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Publication number
CN107012742A
CN107012742A CN201710288194.3A CN201710288194A CN107012742A CN 107012742 A CN107012742 A CN 107012742A CN 201710288194 A CN201710288194 A CN 201710288194A CN 107012742 A CN107012742 A CN 107012742A
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Prior art keywords
parts
resin
breakage
filter paper
air purification
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CN201710288194.3A
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CN107012742B (en
Inventor
金运掌
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Shure Environmental Technology Hefei Co Ltd
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Shure Environmental Technology Hefei Co Ltd
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Priority to CN201810577036.4A priority Critical patent/CN108677613A/en
Priority to CN201710288194.3A priority patent/CN107012742B/en
Priority to CN201810577037.9A priority patent/CN108729295A/en
Publication of CN107012742A publication Critical patent/CN107012742A/en
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    • 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
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/02—Methods of beating; Beaters of the Hollander type
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of 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
    • 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
    • D21H15/10—Composite fibres
    • D21H15/12—Composite fibres partly organic, partly inorganic
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • 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
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • 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
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • D21H17/52—Epoxy resins
    • 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
    • D21H17/53—Polyethers; Polyesters
    • 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
    • D21H17/58—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/28—Polyesters
    • 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
    • D21H21/18—Reinforcing 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
    • 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
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Filtering Materials (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to air purification filter material processing technique field, there is provided a kind of breakage-proof air purification filter paper and preparation method, the filter paper includes alkali-free glass microfibre, organic fiber, acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer, and the polyester enhancer includes the raw material of following parts by weight：7 parts of 47 parts of polyacrylic resin, 9 parts of epoxy resin, 8 parts of three isopropyl ester of aluminic acid, 18 parts of polyethersulfone resin, 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturated polyester resin.The present invention adds the compositions such as binding agent, reinforcing agent by adjusting the composition of filter paper, has air-filtering membrane and preferably puts damaged performance；Preparation method, technique is simple, and prepared product quality is high.

Description

A kind of breakage-proof air purification filter paper and preparation method
Technical field
The invention belongs to air purification filter material processing technique field, in particular it relates to a kind of breakage-proof air cleaning Filter paper and preparation method.
Background technology
Glass fibre air filter paper, high with filter efficiency, good chemical stability is widely used.But it is general Logical glass filter material is influenceed by composition and preparation technology, easily damaged in use, causes filter effect impacted, because This, it is necessary to develop a kind of glass fibre air filter paper of breakage-proof.
Publication No. discloses " high-strength glass fiber air filter paper " for CN 102505554A Chinese patent, and this is special Sharp obtained glass fibre air filter paper has good resistance to elevated temperatures, but mechanical performance is relatively low, and breakage-proof ability is not Foot.
The content of the invention
For defect of the prior art, on the one hand the purpose of the present invention is to provide a kind of breakage-proof air purification filter Paper, on the one hand also provides a kind of method for preparing the breakage-proof air purification filter paper.
The breakage-proof air purification filter paper that the present invention is provided adds bonding by adjusting the composition of air filter paper The compositions such as agent, reinforcing agent, have air-filtering membrane and preferably put damaged performance.
The method that what the present invention was provided prepare the breakage-proof air purification filter paper, technique is simple, prepared product matter Amount is high.
A kind of breakage-proof air purification filter paper provided according to an aspect of the present invention, including alkali-free glass microfibre, have Machine fiber, acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
Preferably, the polyester enhancer includes the raw material of following parts by weight：44-60 parts of polyacrylic resin, epoxy 7-11 parts of resin, 5-10 parts of three isopropyl ester of aluminic acid, 17-25 parts of polyethersulfone resin, 4-7 parts of diisooctyl phthalate, the third two 5-12 parts of 6-11 parts of sour ring isopropyl ester and unsaturated polyester resin.
Preferably, the polyester enhancer includes the raw material of following parts by weight：45-59 parts of polyacrylic resin, epoxy 8-10 parts of resin, 6-9 parts of three isopropyl ester of aluminic acid, 16-20 parts of polyethersulfone resin, 5-6 parts of diisooctyl phthalate, malonic acid 5-11 parts of 8-9 parts of ring isopropyl ester and unsaturated polyester resin.
Preferably, the polyester enhancer includes the raw material of following parts by weight：47 parts of polyacrylic resin, epoxy resin 9 parts, 8 parts of three isopropyl ester of aluminic acid, 18 parts of polyethersulfone resin, 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and 7 parts of unsaturated polyester resin.
Preferably, the unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, benzene second Alkene, cumyl peroxide, hydroquinones.
Preferably, the unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Changing diisopropylbenzene (DIPB), hydroquinones mass ratio is：15-20：3-5：2-4：2-6：2-8：1：1-5.
Preferably, the unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Changing diisopropylbenzene (DIPB), hydroquinones mass ratio is：17：4：3：5：6：1：4.
Preferably, the preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating is carried out after twin-screw extruder, extrusion at 150-160 DEG C Lower insulation 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 45-55 parts of alkali-free glass microfibre, 14-20 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 2.9-3.1%, pH value is 2.5-2.9；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.28-0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.05-0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 180-250 DEG C.
Compared with prior art, the present invention has following beneficial effect：
（1）Polyethersulfone resin in inventive formulation is a kind of thermoplastic macromolecule material of excellent combination property, is to be answered One of special engineering plastics few in number.It has excellent heat resistance, physical and mechanical properties, insulating properties etc., Particularly having can be continuously prominent using and remain to retention property stabilization etc. in temperature environment jumpy at high temperature Advantage, has been used widely in many fields.Breakage-proof air purification filter paper can therefore had more excellent resistance to High-temperature behavior, can be used under 500-600 DEG C of hot environment；
（2）The diisooctyl phthalate added in inventive formulation is the excellent primary plasticizer of high temperature resistant, ageing-resistant performance. Its it is resistance to volatilization, it is resistance to migration, it is resistance to extract out, electrical insulating property it is good, products machinery performance is good, flexibility vary with temperature it is smaller, it is adaptable to The product that temperature in use haves a wide reach.This product is alternatively arranged as plasticizer, on the vulcanization of sizing material without influence.Therefore breakage-proof can be made Air purification filter paper has more excellent high temperature resistant, high-intensity performance；
（3）In inventive formulation add unsaturated polyester (UP) be mainly used for fiberglass is made with glass fiber reinforcement, be enhancing One of principal item in plastics.It has excellent tensile strength and impact flexibility, and relative density is small, heat and electrical insulation capability Good, the characteristic such as also good printing opacity, weather-proof, acidproof and sound insulation, price is low.Filter paper is carried as the reinforcing agent of filter membrane Draftability and mechanical strength；
（4）The modified unsaturated polyester resin cohesive force of the present invention is strong, heat resistance and good insulation preformance, high mechanical strength, anti- Damp fungicidal properties is good, and with excellent refrigerant performance；
（5）Present invention adds polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid two Isodecyl ester, malonic acid ring isopropyl ester and unsaturated polyester resin etc., the stretching for further increasing the filter paper prepared is strong Degree and impact strength, especially when 47 parts of polyacrylic resin, 9 parts of epoxy resin, 8 parts of three isopropyl ester of aluminic acid, polyethersulfone resin 18 When part, 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturated polyester resin, what twin-screw extruder was obtained The performance of filter paper is optimal, and resisting breakage performance is best.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention.
A kind of breakage-proof air purification filter paper that one aspect of the present invention is provided, including alkali-free glass microfibre, organic fibre Dimension, acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
Preferably, the polyester enhancer includes the raw material of following parts by weight：44-60 parts of polyacrylic resin, epoxy 7-11 parts of resin, 5-10 parts of three isopropyl ester of aluminic acid, 17-25 parts of polyethersulfone resin, 4-7 parts of diisooctyl phthalate, the third two 5-12 parts of 6-11 parts of sour ring isopropyl ester and unsaturated polyester resin.
Polyethersulfone resin in inventive formulation is a kind of thermoplastic macromolecule material of excellent combination property, is to be answered One of special engineering plastics few in number.It has excellent heat resistance, physical and mechanical properties, insulating properties etc., Particularly having can be continuously prominent using and remain to retention property stabilization etc. in temperature environment jumpy at high temperature Advantage, has been used widely in many fields.Breakage-proof air purification filter paper can therefore had more excellent resistance to High-temperature behavior, can be used under 500-600 DEG C of hot environment；
The diisooctyl phthalate added in inventive formulation is the excellent primary plasticizer of high temperature resistant, ageing-resistant performance.Its It is resistance to volatilization, it is resistance to migration, it is resistance to extract out, electrical insulating property it is good, products machinery performance is good, flexibility vary with temperature it is smaller, it is adaptable to make With the product that temperature range is broad.This product is alternatively arranged as plasticizer, on the vulcanization of sizing material without influence.Therefore breakage-proof can be made empty The cleaned filter paper of gas has more excellent high temperature resistant, high-intensity performance；
In inventive formulation add unsaturated polyester (UP) be mainly used for fiberglass is made with glass fiber reinforcement, be reinforced plastics In one of principal item.It has excellent tensile strength and impact flexibility, and relative density is small, and heat and electrical insulation capability are good, The characteristics such as also good printing opacity, weather-proof, acidproof and sound insulation, price is low.Filter paper is carried as the reinforcing agent of filter membrane Draftability and mechanical strength；
The modified unsaturated polyester resin cohesive force of the present invention is strong, heat resistance and good insulation preformance, high mechanical strength, moisture resistance are anti- Mouldiness can be good, and with excellent refrigerant performance；
Present invention adds polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid two are different Last of the ten Heavenly stems ester, malonic acid ring isopropyl ester and unsaturated polyester resin etc., further increase the tensile strength of the filter paper prepared And impact strength, especially when 47 parts of polyacrylic resin, 9 parts of epoxy resin, 8 parts of three isopropyl ester of aluminic acid, 18 parts of polyethersulfone resin, When 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturated polyester resin, the mistake that twin-screw extruder is obtained The performance of filter paper is optimal, and resisting breakage performance is best.
Preferably, the polyester enhancer includes the raw material of following parts by weight：45-59 parts of polyacrylic resin, epoxy 8-10 parts of resin, 6-9 parts of three isopropyl ester of aluminic acid, 16-20 parts of polyethersulfone resin, 5-6 parts of diisooctyl phthalate, malonic acid 5-11 parts of 8-9 parts of ring isopropyl ester and unsaturated polyester resin.
Preferably, the polyester enhancer includes the raw material of following parts by weight：47 parts of polyacrylic resin, epoxy resin 9 parts, 8 parts of three isopropyl ester of aluminic acid, 18 parts of polyethersulfone resin, 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and 7 parts of unsaturated polyester resin.
Preferably, the unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, benzene second Alkene, cumyl peroxide, hydroquinones.
Preferably, the unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Changing diisopropylbenzene (DIPB), hydroquinones mass ratio is：15-20：3-5：2-4：2-6：2-8：1：1-5.
Preferably, the unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Changing diisopropylbenzene (DIPB), hydroquinones mass ratio is：17：4：3：5：6：1：4.
Preferably, the preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating is carried out after twin-screw extruder, extrusion at 150-160 DEG C Lower insulation 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 45-55 parts of alkali-free glass microfibre, 14-20 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 2.9-3.1%, pH value is 2.5-2.9；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.28-0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.05-0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 180-250 DEG C.
Embodiment 1
A kind of breakage-proof air purification filter paper that on the one hand the present embodiment provides, including alkali-free glass microfibre, organic fiber, Acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
The polyester enhancer includes the raw material of following parts by weight：60 parts of polyacrylic resin, 7 parts of epoxy resin, aluminium Sour 10 parts of three isopropyl ester, 17 parts of polyethersulfone resin, 7 parts of diisooctyl phthalate, 6 parts of malonic acid ring isopropyl ester and unsaturation 12 parts of polyester resin.
The unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Change diisopropylbenzene (DIPB), hydroquinones.
The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxidating diisopropyl Benzene, hydroquinones mass ratio are：20：3：4：2：8：1：1.
The preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating protected after twin-screw extruder, extrusion at 160 DEG C Warm 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 55 parts of alkali-free glass microfibre, 14 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 3.1%, pH value is 2.5；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.05MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 250 DEG C.
Embodiment 2
A kind of breakage-proof air purification filter paper that on the one hand the present embodiment provides, including alkali-free glass microfibre, organic fiber, Acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
The polyester enhancer includes the raw material of following parts by weight：44 parts of polyacrylic resin, 11 parts of epoxy resin, aluminium Sour 5 parts of three isopropyl ester, 25 parts of polyethersulfone resin, 4 parts of diisooctyl phthalate, 11 parts of malonic acid ring isopropyl ester and unsaturation 5 parts of polyester resin.
The unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Change diisopropylbenzene (DIPB), hydroquinones.
The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxidating diisopropyl Benzene, hydroquinones mass ratio are：20：3：4：2：8：1：1.
The preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating protected after twin-screw extruder, extrusion at 150 DEG C Warm 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 55 parts of alkali-free glass microfibre, 14 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 3.1%, pH value is 2.5；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 250 DEG C.
Embodiment 3
A kind of breakage-proof air purification filter paper that on the one hand the present embodiment provides, including alkali-free glass microfibre, organic fiber, Acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
The polyester enhancer includes the raw material of following parts by weight：59 parts of polyacrylic resin, 8 parts of epoxy resin, aluminium Sour 9 parts of three isopropyl ester, 16 parts of polyethersulfone resin, 6 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturation 11 parts of polyester resin.
The unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Change diisopropylbenzene (DIPB), hydroquinones.
The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxidating diisopropyl Benzene, hydroquinones mass ratio are：17：4：3：5：6：1：4.
The preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating protected after twin-screw extruder, extrusion at 155 DEG C Warm 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 48 parts of alkali-free glass microfibre, 17 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 3.0%, pH value is 2.7；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.29%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.05-0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 140 DEG C.
Embodiment 4
A kind of breakage-proof air purification filter paper that on the one hand the present embodiment provides, including alkali-free glass microfibre, organic fiber, Acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
The polyester enhancer includes the raw material of following parts by weight：59 parts of polyacrylic resin, 8 parts of epoxy resin, aluminium Sour 9 parts of three isopropyl ester, 16 parts of polyethersulfone resin, 6 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturation 11 parts of polyester resin.
The unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Change diisopropylbenzene (DIPB), hydroquinones.
The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxidating diisopropyl Benzene, hydroquinones mass ratio are：17：4：3：5：6：1：4.
The preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating protected after twin-screw extruder, extrusion at 156 DEG C Warm 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 48 parts of alkali-free glass microfibre, 18 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 3.1%, pH value is 2.7；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.28%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.09MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 190 DEG C.
Embodiment 5
A kind of breakage-proof air purification filter paper that on the one hand the present embodiment provides, including alkali-free glass microfibre, organic fiber, Acrylic adhesive, the breakage-proof air purification filter paper also includes polyester enhancer.
The polyester enhancer includes the raw material of following parts by weight：47 parts of polyacrylic resin, 9 parts of epoxy resin, aluminium Sour 8 parts of three isopropyl ester, 18 parts of polyethersulfone resin, 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturation 7 parts of polyester resin.
The unsaturated polyester resin is through also including：BMI, epoxy resin, tung oil acid anhydride, styrene, peroxide Change diisopropylbenzene (DIPB), hydroquinones.
The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, peroxidating diisopropyl Benzene, hydroquinones mass ratio are：17：4：3：5：6：1：4.
The preparation method of the polyester enhancer is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating protected after twin-screw extruder, extrusion at 160 DEG C Warm 20min, is cooled to room temperature.
On the one hand a kind of preparation method of the breakage-proof air purification filter paper provided, the breakage-proof air purification filter The preparation method of paper is as follows：
Step（1）：Take 49 parts of alkali-free glass microfibre, 16 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 3.1%, pH value is 2.9；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 210 DEG C.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (9)

1. a kind of breakage-proof air purification filter paper, including alkali-free glass microfibre, organic fiber, acrylic adhesive, its It is characterised by, the breakage-proof air purification filter paper also includes polyester enhancer.
2. breakage-proof air purification filter paper according to claim 1, it is characterised in that：The polyester enhancer is included such as The raw material of lower parts by weight：44-60 parts of polyacrylic resin, 7-11 parts of epoxy resin, 5-10 parts of three isopropyl ester of aluminic acid, polyether sulfone 17-25 parts of resin, 4-7 parts of diisooctyl phthalate, 6-11 parts of malonic acid ring isopropyl ester and unsaturated polyester resin 5-12 Part.
3. breakage-proof air purification filter paper according to claim 2, it is characterised in that：The polyester enhancer is included such as The raw material of lower parts by weight：45-59 parts of polyacrylic resin, 8-10 parts of epoxy resin, 6-9 parts of three isopropyl ester of aluminic acid, polyether sulfone 16-20 parts of resin, 5-6 parts of diisooctyl phthalate, 8-9 parts of malonic acid ring isopropyl ester and unsaturated polyester resin 5-11 Part.
4. breakage-proof air purification filter paper according to claim 3, it is characterised in that：The polyester enhancer is included such as The raw material of lower parts by weight：47 parts of polyacrylic resin, 9 parts of epoxy resin, 8 parts of three isopropyl ester of aluminic acid, 18 parts of polyethersulfone resin, 7 parts of 5 parts of diisooctyl phthalate, 8 parts of malonic acid ring isopropyl ester and unsaturated polyester resin.
5. breakage-proof air purification filter paper according to claim 2, it is characterised in that：The unsaturated polyester resin warp Also include：BMI, epoxy resin, tung oil acid anhydride, styrene, cumyl peroxide, hydroquinones.
6. breakage-proof air purification filter paper according to claim 5, it is characterised in that：The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, cumyl peroxide, hydroquinones mass ratio are：15-20： 3-5：2-4：2-6：2-8：1：1-5.
7. breakage-proof air purification filter paper according to claim 6, it is characterised in that：The unsaturated polyester resin, BMI, epoxy resin, tung oil acid anhydride, styrene, cumyl peroxide, hydroquinones mass ratio are：17：4：3： 5：6：1：4.
8. the preparation method of breakage-proof air purification filter paper according to claim 1, it is characterised in that：The polyester increases The preparation method of strong agent is as follows：
Step（1）：Polyacrylic resin, epoxy resin, the isopropyl ester of aluminic acid three, polyethersulfone resin, phthalic acid are taken by weight Two isodecyl esters, malonic acid ring isopropyl ester and unsaturated polyester resin, mechanical mixture is uniform again after above-mentioned each composition is heated；
Step（2）：By step（1）The compound being well mixed after middle heating is carried out after twin-screw extruder, extrusion at 150-160 DEG C Lower insulation 20min, is cooled to room temperature.
9. the preparation method of breakage-proof air purification filter paper according to claim 1, it is characterised in that：The breakage-proof The preparation method of air purification filter paper is as follows：
Step（1）：Take 45-55 parts of alkali-free glass microfibre, 14-20 parts of mixing of organic fiber；
Step（2）：To step（1）Aqueous sulfuric acid is added in mixture to be beaten, and is obtained slurry, is controlled stock quality concentration For 2.9-3.1%, pH value is 2.5-2.9；
Step（3）：It is diluted with water step（2）Gained slurry to mass concentration is 0.28-0.31%；
Step（4）：With centrifugation slag remover to step（3）Slurry after dilution is removed the gred, and enterprising in inclined-wire form paper machine Row wet moulding, obtains glass fibre l Water Paper；
Step（5）：To step（4）Gained l Water Paper carries out dewater treatment, makes the moisture percentage ＜ 35% of l Water Paper, dewatering vacuum degree is 0.05-0.1MPa；
Step（6）：By the well mixed of acrylic adhesive, polyester enhancer and suitable quantity of water, step step is sprayed on（5）Institute Obtain wet paper surface；
Step（7）：By step step（6）L Water Paper processing is dried under the conditions of 180-250 DEG C.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013610A (en) * 1974-06-24 1977-03-22 Takeda Chemical Industries, Ltd. Sparingly gas-permeable synthetic resin compositions
CN1858085A (en) * 2006-05-12 2006-11-08 吴江市太湖绝缘材料厂 bismaleimide modified heat-resistant unsaturated polyester resin
CN102505554A (en) * 2011-12-20 2012-06-20 中材科技股份有限公司 High-strength glass fiber air filter paper
CN103709698A (en) * 2013-12-26 2014-04-09 苏州市涵信塑业有限公司 Formula of modified unsaturated polyester resin
CN103865157A (en) * 2014-03-31 2014-06-18 宋旭 Water-absorbable composite environment-friendly stone paper and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013610A (en) * 1974-06-24 1977-03-22 Takeda Chemical Industries, Ltd. Sparingly gas-permeable synthetic resin compositions
CN1858085A (en) * 2006-05-12 2006-11-08 吴江市太湖绝缘材料厂 bismaleimide modified heat-resistant unsaturated polyester resin
CN102505554A (en) * 2011-12-20 2012-06-20 中材科技股份有限公司 High-strength glass fiber air filter paper
CN103709698A (en) * 2013-12-26 2014-04-09 苏州市涵信塑业有限公司 Formula of modified unsaturated polyester resin
CN103865157A (en) * 2014-03-31 2014-06-18 宋旭 Water-absorbable composite environment-friendly stone paper and preparation method thereof

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