CN105672045A - Flame-retardant air filter paper and preparation method - Google Patents
Flame-retardant air filter paper and preparation method Download PDFInfo
- Publication number
- CN105672045A CN105672045A CN201610074475.4A CN201610074475A CN105672045A CN 105672045 A CN105672045 A CN 105672045A CN 201610074475 A CN201610074475 A CN 201610074475A CN 105672045 A CN105672045 A CN 105672045A
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- Prior art keywords
- retardant
- paper
- flame
- fire
- styrene
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Classifications
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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
-
- 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
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/24—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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/35—Polyalkenes, e.g. polystyrene
-
- 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
- D21H21/34—Ignifugeants
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses flame-retardant air filter paper and a preparation method. The preparation method comprises steps as follows: (1), a water-based flame retardant for impregnation is diluted with water, and a flame retardant solution is obtained; (2), a water-based styrene-acrylic emulsion is diluted with water, and a styrene-acrylic emulsion for impregnation is obtained; (3), mercerized pulp, polyester fibers and softwood pulp are mixed and defiber, and air filter paper body paper is made; (4), the air filter paper body paper is dipped in the flame retardant solution and taken out, the surplus flame retardant solution on the surface is removed, and flame-retardant body paper is obtained after curing; (5), the flame-retardant body paper is dipped in the styrene-acrylic emulsion for impregnation and taken out, the surplus styrene-acrylic emulsion for impregnation on the surface is removed, and the flame-retardant air filter paper is prepared after curing. Experiments prove that the flame-retardant air filter paper has good filter performance and water resistance and lasting and efficient flame retardancy. The method has the advantages that no organic solvents are used, the cost is low, the time is short, the flame retardancy lasts long and the like.
Description
Technical field
The present invention relates to a kind of Vehicular air filter paper, the preparation method being specifically related to a kind of fire-retardant air paper.
Background technology
It is known that electromotor is referred to as " heart " of automobile, cleaner plays the effect of " lung " of automobile, it is possible to effectively filter the impurity sucked in air, thus reducing the outbreak probability of automobile " heart disease ", extends the service life of electromotor.
Vehicular air filter paper is one of main material preparing air filter, it is arranged in the gas handling system of electromotor, owing to needing to discharge the combustible etc. of suction belts Mars or naked light in substantial amounts of heat, the tempering of cylinder or cleaner when electromotor works, cause the accident that spontaneous combustion of automobile engine occurs again and again, therefore it is required that the air paper for air filter production needs have certain fire resistance. On market, the fire-retardant persistency of air paper is poor, even non-antiflaming effect, so preparation has highly effective flame-retardant and the good Vehicular air filter paper of persistency becomes a problem needing solution badly.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that one had both met good permeability and strainability, there is again the fire-retardant air paper of the fire resistance of persistent high efficiency.
The preparation method that second purpose of the present invention is to provide a kind of fire-retardant air paper.
Technical scheme is summarized as follows:
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) aqueous impregnates fire retardant, and to be diluted with water to mass fraction be 1%-15%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 1-10%, obtains dipping styrene-acrylic emulsion;
(3) it is 20%-60%, 20%-50% and 20%-60% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 10-60s in retardant solution, take out, remove the retardant solution of excess surface, solidify 10-60min at 50-120 DEG C, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 10-60s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, solidify 10-60min at 50-120 DEG C, prepare fire-retardant air paper.
Described step (1) is preferably: aqueous impregnates fire retardant, and to be diluted with water to mass fraction be 5%, obtains retardant solution.
Described aqueous dipping fire retardant is preferably environment-friendly water-based nitrogen phosphorus flame retardant, and trade name is FR900.
Described step (2) is preferably: it is 5% that waterborne styrene-acrylic emulsion is diluted with water to solid content, obtains dipping styrene-acrylic emulsion.
Described step (3) is preferably: be 40%, 20% and 40% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp.
Fire-retardant air paper prepared by said method.
Advantages of the present invention:
Experiment proves that the fire-retardant air paper of the present invention had both met good strainability, water repelling property, has again the anti-flammability of persistent high efficiency. The method of the present invention also has and does not use organic solvent, and cost is low, and the time is short, and the advantage such as persistency is strong.
Detailed description of the invention
Below in conjunction with specific embodiment to further instruction of the present invention. Embodiments of the invention are to enable those skilled in the art to be more fully understood that the present invention, but the present invention are not imposed any restrictions.
The aqueous dipping preferred trade name of fire retardant that the present invention relates to is FR900, purchased from Shenzhen Cheng Qixin Science and Technology Ltd.. Embodiment 1
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) FR900 being diluted with water to mass fraction is 5%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 5%, obtains dipping styrene-acrylic emulsion;
(3) it is 40%, 20% and 40% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 30s in retardant solution, take out, remove the retardant solution of excess surface, at 100 DEG C of dry 30min, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 30s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, at 100 DEG C of dry 30min, prepare fire-retardant air paper.
Embodiment 2
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) FR900 being diluted with water to mass fraction is 15%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 7%, obtains dipping styrene-acrylic emulsion;
(3) it is 40%, 30% and 30% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 10s in retardant solution, take out, remove the retardant solution of excess surface, at 50 DEG C of dry 60min, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 10s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, at 50 DEG C of dry 60min, prepare fire-retardant air paper.
Embodiment 3
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) FR900 being diluted with water to mass fraction is 1%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 10%, obtains dipping styrene-acrylic emulsion;
(3) it is 20%, 50% and 30% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 60s in retardant solution, take out, remove the retardant solution of excess surface, at 120 DEG C of dry 10min, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 60s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, at 120 DEG C of dry 10min, prepare fire-retardant air paper.
Embodiment 4
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) FR900 being diluted with water to mass fraction is 15%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 1%, obtains dipping styrene-acrylic emulsion;
(3) it is 20%, 20% and 60% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 20s in retardant solution, take out, remove the retardant solution of excess surface, at 80 DEG C of dry 40min, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 20s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, at 80 DEG C of dry 60min, prepare fire-retardant air paper.
Embodiment 5
The preparation method of a kind of fire-retardant air paper, comprises the following steps:
(1) FR900 being diluted with water to mass fraction is 15%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 1%, obtains dipping styrene-acrylic emulsion;
(3) it is 60%, 20% and 20% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 20s in retardant solution, take out, remove the retardant solution of excess surface, at 80 DEG C of dry 40min, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 20s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, at 80 DEG C of dry 60min, prepare fire-retardant air paper.
The technical specification of the fire-retardant air paper obtained by above-described embodiment is as shown in the table:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Air permeability/L m-2·s-1 | 130 | 136 | 122 | 140 | 126 |
| Bulk/cm3·g-1 | 4.07 | 4.14 | 3.64 | 4.32 | 3.84 |
| Tensile index/N m g-1 | 23.1 | 23.3 | 25.9 | 21.1 | 24.4 |
| Burst index/kPa m2·g-1 | 2.42 | 2.52 | 2.68 | 2.34 | 2.57 |
| Tear index/mN m2·g-1 | 25.0 | 25.2 | 24.9 | 24.5 | 24.3 |
| Maximum diameter of hole/μm | 37.2 | 38.3 | 33.7 | 44.3 | 32.4 |
| Average pore size/μm | 11.0 | 11.6 | 10.2 | 13.1 | 10.6 |
| Minimum-value aperture/μm | 3.27 | 3.25 | 3.11 | 4.20 | 3.21 |
| Afterflame time/s | 0 | 0 | 0 | 0 | 0 |
| Burn flame time/s | 0 | 0 | 0 | 0 | 0 |
| Char length/mm | 4 | 4 | 2 | 3 | 4 |
Claims (6)
1. the preparation method of a fire-retardant air paper, it is characterised in that comprise the following steps:
(1) aqueous impregnates fire retardant, and to be diluted with water to mass fraction be 1%-15%, obtains retardant solution;
(2) waterborne styrene-acrylic emulsion being diluted with water to solid content is 1-10%, obtains dipping styrene-acrylic emulsion;
(3) it is 20%-60%, 20%-50% and 20%-60% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongests, air paper body paper of manufacturing paper with pulp;
(4) air paper body paper is immersed 10-60s in retardant solution, take out, remove the retardant solution of excess surface, solidify 10-60min at 50-120 DEG C, obtain Flame-retardant body paper;
(5) Flame-retardant body paper is immersed 10-60s in dipping styrene-acrylic emulsion, take out, remove the dipping styrene-acrylic emulsion of excess surface, solidify 10-60min at 50-120 DEG C, prepare fire-retardant air paper.
2. the preparation method of a kind of fire-retardant air paper according to claim 1, it is characterised in that described step (1) is: aqueous impregnates fire retardant, and to be diluted with water to mass fraction be 5%, obtains retardant solution.
3. the preparation method of a kind of fire-retardant air paper according to claim 1 and 2, it is characterised in that described aqueous dipping fire retardant is environment-friendly water-based nitrogen phosphorus flame retardant, and trade name is FR900.
4. the preparation method of a kind of fire-retardant air paper according to claim 1, it is characterised in that described step (2) is: it is 5% that waterborne styrene-acrylic emulsion is diluted with water to solid content, obtains dipping styrene-acrylic emulsion.
5. the preparation method of a kind of fire-retardant air paper according to claim 1, it is characterized in that described step (3) is: be 40%, 20% and 40% ratio in mass ratio, by mercerising slurry, polyester fiber and softwood pulp mixing, discongest, air paper body paper of manufacturing paper with pulp.
6. the fire-retardant air paper that prepared by the method for one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074475.4A CN105672045A (en) | 2016-02-02 | 2016-02-02 | Flame-retardant air filter paper and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074475.4A CN105672045A (en) | 2016-02-02 | 2016-02-02 | Flame-retardant air filter paper and preparation method |
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| CN105672045A true CN105672045A (en) | 2016-06-15 |
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| CN201610074475.4A Pending CN105672045A (en) | 2016-02-02 | 2016-02-02 | Flame-retardant air filter paper and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190550A (en) * | 2017-05-08 | 2017-09-22 | 陕西科技大学 | A kind of flame-retardant polyester-type air filter paper and preparation method thereof |
| CN112726287A (en) * | 2020-12-29 | 2021-04-30 | 山东龙德复合材料科技股份有限公司 | High-temperature-resistant flame-retardant glue solution and preparation method of automobile air filter paper using same |
| CN113718546A (en) * | 2020-05-25 | 2021-11-30 | 杭州特种纸业有限公司 | Silicon dioxide air filter paper and preparation method thereof |
| CN115897287A (en) * | 2022-10-11 | 2023-04-04 | 天津科技大学 | Washable flame-retardant material and preparation method and application thereof |
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| WO2009034972A1 (en) * | 2007-09-10 | 2009-03-19 | Awa Paper Mfg.Co., Ltd. | Filter paper for vehicle and process for producing the same |
| CN104894913A (en) * | 2015-05-11 | 2015-09-09 | 杭州特种纸业有限公司 | Flame-retardant air filter paper, preparation method therefor and application thereof |
-
2016
- 2016-02-02 CN CN201610074475.4A patent/CN105672045A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009034972A1 (en) * | 2007-09-10 | 2009-03-19 | Awa Paper Mfg.Co., Ltd. | Filter paper for vehicle and process for producing the same |
| CN104894913A (en) * | 2015-05-11 | 2015-09-09 | 杭州特种纸业有限公司 | Flame-retardant air filter paper, preparation method therefor and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190550A (en) * | 2017-05-08 | 2017-09-22 | 陕西科技大学 | A kind of flame-retardant polyester-type air filter paper and preparation method thereof |
| CN107190550B (en) * | 2017-05-08 | 2018-09-18 | 陕西科技大学 | A kind of flame-retardant polyester-type air filter paper and preparation method thereof |
| CN113718546A (en) * | 2020-05-25 | 2021-11-30 | 杭州特种纸业有限公司 | Silicon dioxide air filter paper and preparation method thereof |
| CN112726287A (en) * | 2020-12-29 | 2021-04-30 | 山东龙德复合材料科技股份有限公司 | High-temperature-resistant flame-retardant glue solution and preparation method of automobile air filter paper using same |
| CN115897287A (en) * | 2022-10-11 | 2023-04-04 | 天津科技大学 | Washable flame-retardant material and preparation method and application thereof |
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Application publication date: 20160615 |