CN109603353A - A kind of fire-retardant filter cotton and its production technology - Google Patents
A kind of fire-retardant filter cotton and its production technology Download PDFInfo
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- CN109603353A CN109603353A CN201811537390.0A CN201811537390A CN109603353A CN 109603353 A CN109603353 A CN 109603353A CN 201811537390 A CN201811537390 A CN 201811537390A CN 109603353 A CN109603353 A CN 109603353A
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- resistance fibre
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- 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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/04—Organic material, e.g. cellulose, cotton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
Abstract
The invention belongs to purification filtering material technical fields, propose a kind of fire-retardant filter cotton and its production technology, a kind of fire-retardant filter cotton, it is grouped as by the group of following parts by weight: 40~60 parts of 20D fire resistance fibre, 24~36 parts of 6.67D fire resistance fibre, 8~12 parts of 3.33D fire resistance fibre, 8~12 parts of 4D fire resistance fibre, 60~80 parts of acrylate and vinyl acetate emulsion, 1~2 part of polycarbonate, 3~5 parts of phosphate, 0.5~1 part of cagelike silsesquioxane, 0.5~1.5 part of dimethyl silicone polymer, 0.05~0.1 part of polyethyleneimine, 0.05~0.12 part of PEG-60 rilanit special, 0.01~0.05 part of methylisothiazolinone, 0.01~0.05 part of dipotassium glycyrrhizinate.The present invention solves the problems, such as that filter cotton flame retardant effect is poor in the prior art.
Description
Technical field
The invention belongs to purification filtering material technical field, it is related to a kind of fire-retardant filter cotton and its production technology.
Background technique
With the development of industry, air pollution is increasingly severe, and the demand about air cleaning is also increasing.Family
Air needs to purify, and vehicle interior needs air cleaning, and public place needs air cleaning, and there are also workshops to need air net
Change, the structure of air purifier most critical is exactly filter cotton, and the quality of filter cotton determines the clean-up effect of this air purifier.It crosses
The status that filter pulp just has it indispensable, because many industrial productions have to carry out in relatively clean space, such as surface
Processing, oil paint coating, spraying, precise electronic, optical electron, bio-pharmaceuticals, food production, air cooling etc., these environment need
The air to be flowed, but cannot have dust, so just needing to be fallen dust-filtering with filter cotton, only allow clean air opposite
Circulation is got up in closed space, to reach the needs of production run.
The opposite moisture resistance of filter cotton and fire protection requirement are two important performance indicators, but filtering currently on the market
Cotton flame retardant effect and moisture resistance are poor, and on the other hand, the prior art is that filter cotton is made to reach flame retardant effect, are added in the material
Halogen-containing fire retardant has certain pollution, and this fire retardant non-refractory, no there are non-biodegradable after discarding
Wash resistant and solarization, easily melting drips and the phenomenon that scald people occurs when meeting fire burning, and this kind of filter cotton is leaving fire source
Easy spontaneous combustion afterwards carrys out certain difficulty to fire guard, and production cost is also relatively high.
Summary of the invention
The present invention proposes a kind of fire-retardant filter cotton and its production technology, and it is poor to solve filter cotton flame retardant effect in the prior art
The problem of.
The technical scheme of the present invention is realized as follows:
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
40~60 parts of 20D fire resistance fibre, 24~36 parts of 6.67D fire resistance fibre, 8~12 parts of 3.33D fire resistance fibre, 4D is fire-retardant
8~12 parts of fiber, 60~80 parts of acrylate and vinyl acetate emulsion, 1~2 part of polycarbonate, 3~5 parts of phosphate, cagelike silsesquioxane 0.5~1
Part, 0.5~1.5 part of dimethyl silicone polymer, 0.05~0.1 part of polyethyleneimine, PEG-60 rilanit special 0.01~0.05
Part, 0.01~0.05 part of methylisothiazolinone, 0.01~0.05 part of dipotassium glycyrrhizinate.
As further technical solution, it is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, vinegar
72 parts of acrylic emulsion, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, gather
0.07 part of aziridine, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate.
As further technical solution, the fire resistance fibre is Fanglun 1414 and poly- isophthalic two
The composite fibre of formyl m-phenylene diamine (MPD) fiber.
A kind of production technology of fire-retardant filter cotton, comprising the following steps:
S1, according to a kind of formula of above-mentioned fire-retardant filter cotton, it is spare to weigh each component；
S2, under the mixing speed of 1000r/min successively by polyethyleneimine, dipotassium glycyrrhizinate, polycarbonate, poly- diformazan
Radical siloxane is added in acrylate and vinyl acetate emulsion, is uniformly mixed, obtains mixed emulsion；
PEG-60 rilanit special is added in S3, the mixed emulsion obtained to step S2, adds phosphoric acid after mixing
Ester, cagelike silsesquioxane, methylisothiazolinone, ultrasonic disperse is uniform, obtains fire-retardant reinfored glue, spare；
S4,20D fire resistance fibre, 6.67D fire resistance fibre, 3.33D fire resistance fibre and 4D fire resistance fibre are mixed in opening grinding machine
It closes uniformly, obtains mixing fire resistance fibre；
Needle thorn combing after S5, the mixing fire resistance fibre shredding lapping for obtaining step S4, obtains cotton layer；
S6, the fire-retardant reinfored glue for obtaining step S3 are sprayed onto the upper and lower surface for the cotton layer that step S5 is obtained；After obtaining glue spraying
Cotton layer；
S7, it send into oven the cotton layer after glue spraying that step S6 is obtained to cooling and shaping after heating, drying, obtains fire-retardant mistake
Filter pulp.
As further technical solution, the ultrasonic disperse time is 40min in step S3.
As further technical solution, heating, drying temperature is 150~180 DEG C in step S7, and drying time is
30min。
The present invention is using principle and has the beneficial effect that
1, the moisture-proof for the fire-retardant filter cotton that production technology of the invention obtains is good, and moisture-proof reaches 100%, resistance to temperature
Height reaches as high as 300 DEG C, and good permeability, filter efficiency is high, and average filtration efficiency is up to 96.3%, and dust containing capacity is big, resistance
Small, initial resistance is smaller while reaching whole resistance 250Pa, the minimum 17Pa of initial resistance, therefore the use longevity of fire-retardant filter cotton
Order longer, the flame retardant rating of fire-retardant filter cotton meets track industry pyrotechnics poison standard, fire-retardant filter cotton adsorption ability in F1
By force, peculiar smell, carbon dioxide and other volatile organic contaminants in air can be effectively dispelled, free from extraneous odour is antimycotic, safely may be used
By property height, applicability is wide, is suitble to promote the use of.
2, it in the present invention, is mixed using 4 kinds of fire resistance fibres of different fineness, needle pierces combing, glue spraying, adds after shredding lapping
The fire-retardant filter cotton of heat drying, cooling shaping, preparation has the characteristics such as highly-breathable, lower resistance, High dust holding amount.Different fineness
Phosphate, cagelike silsesquioxane, dimethyl silicone polymer in fire resistance fibre, with formula cooperate, and significantly improve resistance
Fire the flame retardant property of filter cotton.Wherein, cagelike silsesquioxane, dimethyl silicone polymer are compounded with phosphate, make fire-retardant filtering
Cotton can quickly form a coke charge layer of charcoal protective film in burning to prevent the progress of oxidation process, the addition of siloxanes, into
One step keeps the Char Residues Structure generated fine and close and more stable, to significantly improve the flame retardant property of fire-retardant filter cotton, makes to prepare
Fire-retardant filter cotton low toxicity, low cigarette, do not melt drippage, do not cause any harm to environment, it is highly-safe.
3, in the present invention, vinegar third first is added in polyethyleneimine, dipotassium glycyrrhizinate, polycarbonate, dimethyl silicone polymer
In lotion, it is uniformly mixed, obtains mixed emulsion.Polyethyleneimine and dipotassium glycyrrhizinate cooperate, and good water solubility increases poly-
The interface compatibility of carbonic ester, dimethyl silicone polymer and acrylate and vinyl acetate emulsion adds PEG-60 rilanit special, after mixing
Phosphate, cagelike silsesquioxane, methylisothiazolinone is added, ultrasonic disperse is uniform, the fire-retardant reinfored glue each group made
Divide mixing more evenly, play synergistic function, fire-retardant reinfored glue is then sprayed onto mixing fire resistance fibre surface, fire-retardant enhancing
Glue is good with the compatibility for mixing fire resistance fibre matrix, the little particle powder in air can be sticked to fiber surface, to enhance
The filter effect of fire-retardant filter cotton, dipotassium glycyrrhizinate and methylisothiazolinone compatibility can effectively inhibit various bacteria, true
The growth of bacterium, mould enhances the bacteriostasis property of fire-retardant filter cotton, and therefore, the fire-retardant filter cotton moisture-proof of preparation is good, filtering effect
Rate is high, and dust containing capacity is big, and resistance is small, and adsorption ability is strong, and free from extraneous odour is antimycotic, practical.
4, the present invention in, the addition of polyethyleneimine, on the one hand with dipotassium glycyrrhizinate, PEG-60 rilanit special phase interaction
With improving polycarbonate, dimethyl silicone polymer, phosphate, cagelike silsesquioxane, methylisothiazolinone etc. in vinegar third
Dissolubility in lotion, make each component disperse in acrylate and vinyl acetate emulsion more evenly, auxiliary improve fire-retardant filter cotton temperature tolerance,
Anti-flammability；On the other hand, polyethyleneimine is positively charged, and dust can be made to change motion profile by electrostatic interaction and knocked fire-retardant
Filter cotton glues dust on fire-retardant filter cotton more firm, so that auxiliary enhances the filter effect of fire-retardant filter cotton.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
40 parts of 20D fire resistance fibre, 24 parts of 6.67D fire resistance fibre, 8 parts of 3.33D fire resistance fibre, 8 parts of 4D fire resistance fibre, vinegar third
60 parts of lotion, 1 part of polycarbonate, 3 parts of phosphate, 0.5 part of cagelike silsesquioxane, 0.5 part of dimethyl silicone polymer, polyethylene
0.05 part of imines, 0.05 part of PEG-60 rilanit special, 0.01 part of methylisothiazolinone, 0.01 part of dipotassium glycyrrhizinate, wherein
Fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology, comprising the following steps:
S1, according to above-mentioned formula, it is spare to weigh each component；
S2, successively polyethyleneimine, polycarbonate, dimethyl silicone polymer are added under the mixing speed of 1000r/min
Enter in acrylate and vinyl acetate emulsion, is uniformly mixed, obtains mixed emulsion；
PEG-60 rilanit special is added in S3, the mixed emulsion obtained to step S2, adds phosphoric acid after mixing
Ester, cagelike silsesquioxane, methylisothiazolinone, ultrasonic 40min obtains fire-retardant reinfored glue to being uniformly dispersed, spare；
S4,20D fire resistance fibre, 6.67D fire resistance fibre, 3.33D fire resistance fibre and 4D fire resistance fibre are mixed in opening grinding machine
It closes uniformly, obtains mixing fire resistance fibre；
Needle thorn combing after S5, the mixing fire resistance fibre shredding lapping for obtaining step S4, obtains cotton layer；
S6, the fire-retardant reinfored glue for obtaining step S3 are sprayed onto the upper and lower surface for the cotton layer that step S5 is obtained；After obtaining glue spraying
Cotton layer；
S7, the cotton layer after glue spraying that step S6 is obtained is sent into oven, it is cold after 150~180 DEG C of heating, drying 30min
But it is formed, obtains fire-retardant filter cotton.
Embodiment 2
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
45 parts of 20D fire resistance fibre, 28 parts of 6.67D fire resistance fibre, 9 parts of 3.33D fire resistance fibre, 9 parts of 4D fire resistance fibre, vinegar third
67 parts of lotion, 1.2 parts of polycarbonate, 3.5 parts of phosphate, 0.6 part of cagelike silsesquioxane, 0.8 part of dimethyl silicone polymer, gather
0.06 part of aziridine, 0.08 part of PEG-60 rilanit special, 0.02 part of methylisothiazolinone, 0.02 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology is the same as embodiment 1.
Embodiment 3
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, vinegar
72 parts of acrylic emulsion, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, gather
0.07 part of aziridine, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology is the same as embodiment 1.
Embodiment 4
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
55 parts of 20D fire resistance fibre, 33 parts of 6.67D fire resistance fibre, 11 parts of 3.33D fire resistance fibre, 11 parts of 4D fire resistance fibre, vinegar
76 parts of acrylic emulsion, 1.8 parts of polycarbonate, 4.5 parts of phosphate, 0.9 part of cagelike silsesquioxane, 1.2 parts of dimethyl silicone polymer,
0.08 part of polyethyleneimine, 0.1 part of PEG-60 rilanit special, 0.04 part of methylisothiazolinone, 0.04 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology is the same as embodiment 1.
Embodiment 5
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
60 parts of 20D fire resistance fibre, 36 parts of 6.67D fire resistance fibre, 12 parts of 3.33D fire resistance fibre, 12 parts of 4D fire resistance fibre, vinegar
80 parts of acrylic emulsion, 2 parts of polycarbonate, 5 parts of phosphate, 1 part of cagelike silsesquioxane, 1.5 parts of dimethyl silicone polymer, polyethylene
0.1 part of imines, 0.12 part of PEG-60 rilanit special, 0.05 part of methylisothiazolinone, 0.05 part of dipotassium glycyrrhizinate, wherein
Fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology is the same as embodiment 1.
Comparative example 1
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, vinegar
72 parts of acrylic emulsion, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, gather
0.07 part of aziridine, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
It is corresponding in production technology to delete dimethyl silicone polymer in cagelike silsesquioxane in step S3, step S2,
Remaining step is the same as embodiment 1.
Comparative example 2
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, vinegar
72 parts of acrylic emulsion, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, gather
0.07 part of aziridine, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
It is corresponding in production technology to delete dipotassium glycyrrhizinate in PEG-60 rilanit special in step S3, step S2,
Remaining step is the same as embodiment 1.
Comparative example 3
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, vinegar
72 parts of acrylic emulsion, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, gather
0.07 part of aziridine, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate,
Wherein, fire resistance fibre is the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology the following steps are included:
S1, according to above-mentioned formula, it is spare to weigh each component；
S2, under the mixing speed of 1000r/min successively by polyethyleneimine, polycarbonate, dimethyl silicone polymer,
Acrylate and vinyl acetate emulsion is added in PEG-60 rilanit special, dipotassium glycyrrhizinate, phosphate, cagelike silsesquioxane, methylisothiazolinone
In, it is uniformly mixed, obtains fire-retardant reinfored glue, it is spare；
S3,20D fire resistance fibre, 6.67D fire resistance fibre, 3.33D fire resistance fibre and 4D fire resistance fibre are mixed in opening grinding machine
It closes uniformly, obtains mixing fire resistance fibre；
Needle thorn combing after S4, the mixing fire resistance fibre shredding lapping for obtaining step S3, obtains cotton layer；
S5, the fire-retardant reinfored glue for obtaining step S2 are sprayed onto the upper and lower surface for the cotton layer that step S5 is obtained；After obtaining glue spraying
Cotton layer；
S6, the cotton layer after glue spraying that step S5 is obtained is sent into oven, it is cold after 150~180 DEG C of heating, drying 30min
But it is formed, obtains fire-retardant filter cotton.
Comparative example 4
A kind of fire-retardant filter cotton, is grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, gather
1.5 parts of carbonic ester, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, polyethyleneimine 0.07
Part, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate, wherein fire resistance fibre
For the composite fibre of Fanglun 1414 and Fanglun 1313.
Its production technology the following steps are included:
S1, according to above-mentioned formula, it is spare to weigh each component；
S2, under the mixing speed of 1000r/min by polycarbonate, phosphate, cagelike silsesquioxane, poly dimethyl silicon
Oxygen alkane, polyethyleneimine, PEG-60 rilanit special, methylisothiazolinone, dipotassium glycyrrhizinate are uniformly mixed, and are obtained mixing and are helped
Agent；
S3,20D fire resistance fibre, 6.67D fire resistance fibre, 3.33D fire resistance fibre and 4D fire resistance fibre are mixed in opening grinding machine
It closes uniformly, obtains mixing fire resistance fibre；
S4, the mixed aid that step S2 is obtained is uniformly mixed with the mixing fire resistance fibre that step S3 is obtained, is enhanced
Fire resistance fibre；
Needle thorn combing after S5, the enhancing fire resistance fibre shredding lapping for obtaining step S4, obtains cotton layer；
S6, the cotton layer after glue spraying that step S5 is obtained is sent into oven, it is cold after 150~180 DEG C of heating, drying 30min
But it is formed, obtains fire-retardant filter cotton.
Each component parts by weight are shown in as shown in table 1 in the formula of the fire-retardant filter cotton of Examples 1 to 5 and comparative example 1~4:
Each component parts by weight in the formula of the fire-retardant filter cotton of 1 Examples 1 to 5 of table and comparative example 1~4
Note :-indicate no this item.
In the present invention, D is the English abbreviation of Denier unit, is a kind of pencil silk, staple fibre, nylon textile fiber
Direct system density unit, refer to quality grams of the fiber of 9000m long in official regain, unit is danier list
Position, abbreviation denier, English abbreviation D.Denier is the unit of measurement of fibre fineness, and number is bigger, and yarn or fiber are thicker.
The fire-retardant filtering according to test method specified in EN779-2012 prepared by Examples 1 to 5 and comparative example 1~4
Cotton carries out the performance tests such as heatproof, initial resistance, whole resistance, dust containing capacity, average filtration efficiency, moisture-proof, smell releasability, presses
The fire-retardant mistake according to the method for test specified in the test of NFF16-101 fire-retardant fireproof prepared by Examples 1 to 5 and comparative example 1~4
Filter pulp carries out anti-flammability test, and test result is shown in Table 2.
The performance test results of the fire-retardant filter cotton of 2 Examples 1 to 5 of table and comparative example 1~4
It can be seen from the data in Table 2 that compared with comparative example 1~4, the fire-retardant filter cotton of the preparation of the embodiment of the present invention 1~5
Free from extraneous odour, antimycotic, moisture-proof is more preferable, and moisture-proof reaches 100%, and resistance to temperature is higher, reaches as high as 300 DEG C, average filtration effect
Rate is higher, and up to 96.3%, dust containing capacity is higher, and initial resistance is smaller while reaching whole resistance 250Pa, and initial resistance is minimum
17Pa, so that the service life is longer, flame retardant rating meets track industry pyrotechnics poison standard in F1.
Compared with comparative example 1, the fire-retardant filter cotton temperature tolerance of Examples 1 to 5 preparation, anti-flammability are more preferable, illustrate cage type times
The addition of half siloxanes, dimethyl silicone polymer acts synergistically with the phosphate in formula, effectively increases fire-retardant filter cotton
Flame retardant property, meanwhile, cagelike silsesquioxane and polycarbonate cooperate, and significantly improve the temperature tolerance of fire-retardant filter cotton.
Compared with comparative example 2, the free from extraneous odour of the fire-retardant filter cotton of Examples 1 to 5 preparation, antimycotic, initial resistance is smaller, eventually
Resistance is bigger, dust containing capacity is higher, while temperature tolerance, anti-flammability are more preferable, illustrate that PEG-60 rilanit special, dipotassium glycyrrhizinate add
Enter, on the one hand cooperate with the polyethyleneimine in formula, improves polycarbonate, dimethyl silicone polymer, phosphate, cage type times
The dissolubility in acrylate and vinyl acetate emulsion such as half siloxanes, methylisothiazolinone disperses each component in acrylate and vinyl acetate emulsion more equal
Even, auxiliary improves temperature tolerance, anti-flammability, dust containing capacity and the filter efficiency of fire-retardant filter cotton, to extend fire-retardant filter cotton
Service life, on the other hand, dipotassium glycyrrhizinate and methylisothiazolinone compatibility enhance the bacteriostasis property of fire-retardant filter cotton.
Compared with comparative example 3, the filter efficiency of the fire-retardant filter cotton of Examples 1 to 5 preparation is higher, dust containing capacity is high, resistance
It is small, while temperature tolerance, anti-flammability are more preferable, illustrate polyethyleneimine, dipotassium glycyrrhizinate, polycarbonate, polydimethylsiloxanes first
Alkane is added in acrylate and vinyl acetate emulsion, is uniformly mixed, and obtains mixed emulsion, polyethyleneimine and dipotassium glycyrrhizinate cooperate, water-soluble
It is good, the interface compatibility of polycarbonate, dimethyl silicone polymer and acrylate and vinyl acetate emulsion is increased, PEG-60 hydrogenated castor is added
Phosphate, cagelike silsesquioxane, methylisothiazolinone, ultrasonic disperse, the fire-retardant increasing made is added in oil after mixing
Each component mixes more evenly, so that each component be made to play synergistic function in strong rubber.
Compared with comparative example 4, the filter efficiency of the fire-retardant filter cotton of Examples 1 to 5 preparation is higher, dust containing capacity is high, resistance
It is small, while temperature tolerance, anti-flammability are more preferable, illustrate the addition of acrylate and vinyl acetate emulsion, mix with auxiliary agents other in formula, obtain fire-retardant enhancing
Then fire-retardant reinfored glue is sprayed onto mixing fire resistance fibre surface, fire-retardant reinfored glue and the compatibility for mixing fire resistance fibre matrix by glue
It is good, the little particle powder in air can be sticked to fiber surface, while enhancing the filter effect of fire-retardant filter cotton, improved
The anti-flammability and temperature tolerance of fire-retardant filter cotton.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of fire-retardant filter cotton, which is characterized in that be grouped as by the group of following parts by weight:
40~60 parts of 20D fire resistance fibre, 24~36 parts of 6.67D fire resistance fibre, 8~12 parts of 3.33D fire resistance fibre, 4D fire resistance fibre
8~12 parts, 60~80 parts of acrylate and vinyl acetate emulsion, 1~2 part of polycarbonate, 3~5 parts of phosphate, 0.5~1 part of cagelike silsesquioxane,
0.5~1.5 part of dimethyl silicone polymer, 0.05~0.1 part of polyethyleneimine, 0.05~0.12 part of PEG-60 rilanit special,
0.01~0.05 part of methylisothiazolinone, 0.01~0.05 part of dipotassium glycyrrhizinate.
2. a kind of fire-retardant filter cotton according to claim 1, which is characterized in that be grouped as by the group of following parts by weight:
50 parts of 20D fire resistance fibre, 30 parts of 6.67D fire resistance fibre, 10 parts of 3.33D fire resistance fibre, 10 parts of 4D fire resistance fibre, the third cream of vinegar
72 parts of liquid, 1.5 parts of polycarbonate, 3.5 parts of phosphate, 0.7 part of cagelike silsesquioxane, 1 part of dimethyl silicone polymer, polyethylene
0.07 part of imines, 0.09 part of PEG-60 rilanit special, 0.03 part of methylisothiazolinone, 0.03 part of dipotassium glycyrrhizinate.
3. a kind of fire-retardant filter cotton according to claim 1, which is characterized in that the fire resistance fibre is poly- paraphenylene terephthalamide
The composite fibre of p-phenylenediamine fiber and Fanglun 1313.
4. a kind of production technology of fire-retardant filter cotton, which comprises the following steps:
S1, according to a kind of formula of fire-retardant filter cotton described in claims 1 to 3 any one, it is spare to weigh each component；
S2, under the mixing speed of 1000r/min successively by polyethyleneimine, dipotassium glycyrrhizinate, polycarbonate, poly dimethyl silicon
Oxygen alkane is added in acrylate and vinyl acetate emulsion, is uniformly mixed, obtains mixed emulsion；
PEG-60 rilanit special is added in S3, the mixed emulsion obtained to step S2, adds phosphate, cage after mixing
Shape silsesquioxane, methylisothiazolinone, ultrasonic disperse is uniform, obtains fire-retardant reinfored glue, spare；
S4,20D fire resistance fibre, 6.67D fire resistance fibre, 3.33D fire resistance fibre and 4D fire resistance fibre are mixed in opening grinding machine
It is even, obtain mixing fire resistance fibre；
Needle thorn combing after S5, the mixing fire resistance fibre shredding lapping for obtaining step S4, obtains cotton layer；
S6, the fire-retardant reinfored glue for obtaining step S3 are sprayed onto the upper and lower surface for the cotton layer that step S5 is obtained；Cotton after obtaining glue spraying
Layer；
S7, it send into oven the cotton layer after glue spraying that step S6 is obtained to cooling and shaping after heating, drying, obtains fire-retardant filter cotton.
5. a kind of production technology of fire-retardant filter cotton according to claim 4, which is characterized in that ultrasonic disperse in step S3
Time is 40min.
6. a kind of production technology of fire-retardant filter cotton according to claim 4, which is characterized in that heating, drying in step S7
Temperature is 150~180 DEG C, drying time 30min.
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