CN106039844A - Harmful gas absorbable melt-blow filter material and preparation method thereof - Google Patents
Harmful gas absorbable melt-blow filter material and preparation method thereof Download PDFInfo
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- CN106039844A CN106039844A CN201610490624.5A CN201610490624A CN106039844A CN 106039844 A CN106039844 A CN 106039844A CN 201610490624 A CN201610490624 A CN 201610490624A CN 106039844 A CN106039844 A CN 106039844A
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- harmful gas
- polypropylene
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- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0208—Single-component fibres
-
- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a harmful gas absorbable melt-blow filter material and a preparation method thereof. The harmful gas absorbable melt-blow filter material is prepared from the following raw materials in parts by mass: 60-80 parts of polypropylene, 20-40 parts of high-adsorption master batch, 0.5-2 parts of a coupling agent, 0.5-1 part of a dispersing agent and 0.05-0.2 part of an oxidant. The preparation method comprises the following steps: feeding the raw materials into a high-speed mixing machine, uniformly mixing and stirring, feeding into melt-blow non-woven equipment, and performing melt-blow extrusion, hot air traction, cooling and net agglomeration, thereby obtaining the harmful gas absorbable melt-blow filter material. Since the high-adsorption master batch containing synthetic porous calcium metasilicate is added into the polypropylene melt-blow filter material, the filter material which has a certain adsorption property on harmful gases such as formaldehyde, benzene and xylene, and has a high-efficiency filtering property on dust and micro particles in the air can be prepared.
Description
Technical field
The present invention relates to non-woven material technical field, a kind of adsorbable harmful gas melt-blown filter materials and
Preparation method.
Background technology
Meltblown is the one that non-weaving cloth polymer directly becomes in network method, uses high velocity, hot air to lead melt
Stretch, polymer one-step method is made non-weaving cloth.Polypropylene melt spray non-weaving cloth fiber finer, specific surface area is big, hole is little, empty
Gap rate is high, is suitable for doing air filting material.But, pure polypropylene melt-blown nonwoven fabric intercepts by hole and fibers adsorption has
Pest matter, strainability is inadequate, has much room for improvement harmful gas absorbability.
The molecular formula of synthesizing porous calcium silicate powder is CaSiO3·nH2O, internal and surface is that space is grown, and particle is apparent
Present cellular aggregation feature, be a kind of bulk multi-hole structural inorganic material in aggregation, the hole effect that particle represents
Should, hydroxyl effect, nano effect and stronger hydroxyl hold ability, give the characterization of adsorption that powder body is high.The present invention will have height
The synthesizing porous calcium silicates masterbatch of characterization of adsorption joins in polypropylene, uses meltblown to prepare PARA FORMALDEHYDE PRILLS(91,95), benzene and dimethylbenzene
Etc. harmful gas, there is certain absorbability, the dust in air, microgranule are had the filtering material of high efficiency filter performance.
Summary of the invention
It is an object of the invention to provide and a kind of dust in air, microgranule are had the adsorbable of efficient strainability
Harmful gas melt-blown filter materials such as formaldehyde, benzene, dimethylbenzene and preparation method thereof, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, the present invention provides following technical scheme:
A kind of adsorbable harmful gas melt-blown filter materials, is made up of according to the raw material of mass fraction following:
Polypropylene 60-80 part
High absorption masterbatch 20-40 part
Coupling agent 0.5-2 part
Dispersant 0.5-1 part
Antioxidant 0.05-0.2 part.
As the further scheme of the present invention: described adsorbable harmful gas melt-blown filter materials, by following according to quality
The raw material composition of number:
Polypropylene 65-75 part
High absorption masterbatch 25-35 part
Coupling agent 0.8-1.5 part
Dispersant 0.6-0.9 part
Antioxidant 0.08-0.15 part.
As the further scheme of the present invention: described adsorbable harmful gas melt-blown filter materials, by following according to quality
The raw material composition of number:
Polypropylene 70 parts
High absorption masterbatch 30 parts
Coupling agent 1.2 parts
Dispersant 0.7 part
0.12 part of antioxidant.
As the further scheme of the present invention: described polypropylene is high melting means polypropylene, model is PP 3546G, melted
Index 1200g/10min.
As the further scheme of the present invention: described high absorption masterbatch is with self assembly auxiliary agent F01A as modifying agent, with height
It is base material that aluminium powder coal ash extracts the synthesizing porous calcium silicates of aluminum and coproducing, with polypropylene as vector resin, and the high suction of compound preparation
Attached masterbatch.
As the further scheme of the present invention: described coupling agent is titanate coupling agent, model is CS102.
As the further scheme of the present invention: described dispersant is low molecular weight polyethylene wax, and mean molecule quantity exists
Between 2000-5000.
As the further scheme of the present invention: described antioxidant is pentaerythritol tetrathioglycollate.
It is a further object of the present invention to provide the preparation method of a kind of adsorbable harmful gas melt-blown filter materials, including with
Lower step:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
15-20min, temperature 100-110 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, wherein, screw extruder one district temperature is 260-270 DEG C, two district's temperature are 260-270 DEG C,
Three district's temperature are 250-260 DEG C, four district's temperature are 240-250 DEG C, and cross box temperature is 260-270 DEG C, and filament spinning component temperature is
260-270 DEG C, hot air temperature is 270-280 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
High absorption masterbatch containing synthesizing porous calcium silicates is added in polypropylene melt blown filter materials by the present invention, and it is right to prepare
The harmful gass such as formaldehyde, benzene, dimethylbenzene have certain absorbability, and the dust in air, microgranule are had efficient filtration
The filtering material of performance.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of adsorbable harmful gas melt-blown filter materials, by the following raw material group according to mass fraction
Become:
Polypropylene 60 parts
High absorption masterbatch 20 parts
Coupling agent 0.5 part
Dispersant 0.5 part
0.05 part of antioxidant.
Described polypropylene is high melting means polypropylene, and model is PP 3546G, melt index 1200g/10min.Described height
Absorption masterbatch, with self assembly auxiliary agent F01A as modifying agent, extracts the synthesizing porous calcium silicates of aluminum and coproducing as base with aluminous fly-ash
Material, with polypropylene as vector resin, the high absorption masterbatch of compound preparation.Described coupling agent is titanate coupling agent, and model is
CS102.Described dispersant is low molecular weight polyethylene wax, and mean molecule quantity is between 2000-5000.Described antioxidant is four
Pentaerythritol ester.
The preparation method of described adsorbable harmful gas melt-blown filter materials, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
15min, temperature 100 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, and wherein, screw extruder one district temperature is 260 DEG C, two district's temperature are 260 DEG C, three district's temperature
Be 250 DEG C, four district's temperature be 240 DEG C, cross box temperature is 260 DEG C, and filament spinning component temperature is 260 DEG C, and hot air temperature is 270
℃。
Embodiment 2
In the embodiment of the present invention, a kind of adsorbable harmful gas melt-blown filter materials, by the following raw material group according to mass fraction
Become:
Polypropylene 80 parts
High absorption masterbatch 40 parts
Coupling agent 2 parts
Dispersant 1 part
0.2 part of antioxidant
Described polypropylene is high melting means polypropylene, and model is PP 3546G, melt index 1200g/10min.Described high absorption
Masterbatch is with self assembly auxiliary agent F01A as modifying agent, with the aluminous fly-ash extraction synthesizing porous calcium silicates of aluminum and coproducing as base material,
With polypropylene as vector resin, the high absorption masterbatch of compound preparation.Described coupling agent is titanate coupling agent, and model is
CS102.Described dispersant is low molecular weight polyethylene wax, and mean molecule quantity is between 2000-5000.Described antioxidant is four
Pentaerythritol ester.
The preparation method of described adsorbable harmful gas melt-blown filter materials, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
20min, temperature 110 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, and wherein, screw extruder one district temperature is 270 DEG C, two district's temperature are 270 DEG C, three district's temperature
Be 260 DEG C, four district's temperature be 250 DEG C, cross box temperature is 270 DEG C, and filament spinning component temperature is 270 DEG C, and hot air temperature is 280
℃。
Embodiment 3
In the embodiment of the present invention, a kind of adsorbable harmful gas melt-blown filter materials, by the following raw material group according to mass fraction
Become:
Polypropylene 65 parts
High absorption masterbatch 25 parts
Coupling agent 0.8 part
Dispersant 0.6 part
0.08 part of antioxidant
Described polypropylene is high melting means polypropylene, and model is PP 3546G, melt index 1200g/10min.Described high absorption
Masterbatch is with self assembly auxiliary agent F01A as modifying agent, with the aluminous fly-ash extraction synthesizing porous calcium silicates of aluminum and coproducing as base material,
With polypropylene as vector resin, the high absorption masterbatch of compound preparation.Described coupling agent is titanate coupling agent, and model is
CS102.Described dispersant is low molecular weight polyethylene wax, and mean molecule quantity is between 2000-5000.Described antioxidant is four
Pentaerythritol ester.
The preparation method of described adsorbable harmful gas melt-blown filter materials, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
16min, temperature 102 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, and wherein, screw extruder one district temperature is 262 DEG C, two district's temperature are 265 DEG C, three district's temperature
Be 255 DEG C, four district's temperature be 245 DEG C, cross box temperature is 265 DEG C, and filament spinning component temperature is 265 DEG C, and hot air temperature is 275
℃。
Embodiment 4
In the embodiment of the present invention, a kind of adsorbable harmful gas melt-blown filter materials, by the following raw material group according to mass fraction
Become:
Polypropylene 75 parts
High absorption masterbatch 35 parts
Coupling agent 1.5 parts
Dispersant 0.9 part
0.15 part of antioxidant
Described polypropylene is high melting means polypropylene, and model is PP 3546G, melt index 1200g/10min.Described high absorption
Masterbatch is with self assembly auxiliary agent F01A as modifying agent, with the aluminous fly-ash extraction synthesizing porous calcium silicates of aluminum and coproducing as base material,
With polypropylene as vector resin, the high absorption masterbatch of compound preparation.Described coupling agent is titanate coupling agent, and model is
CS102.Described dispersant is low molecular weight polyethylene wax, and mean molecule quantity is between 2000-5000.Described antioxidant is four
Pentaerythritol ester.
The preparation method of described adsorbable harmful gas melt-blown filter materials, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
18min, temperature 105 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, and wherein, screw extruder one district temperature is 265 DEG C, two district's temperature are 265 DEG C, three district's temperature
Be 255 DEG C, four district's temperature be 245 DEG C, cross box temperature is 265 DEG C, and filament spinning component temperature is 265 DEG C, and hot air temperature is 275
℃。
Embodiment 5
In the embodiment of the present invention, a kind of adsorbable harmful gas melt-blown filter materials, by the following raw material group according to mass fraction
Become:
Polypropylene 70 parts
High absorption masterbatch 30 parts
Coupling agent 1.2 parts
Dispersant 0.7 part
0.12 part of antioxidant
Described polypropylene is high melting means polypropylene, and model is PP 3546G, melt index 1200g/10min.Described high absorption
Masterbatch is with self assembly auxiliary agent F01A as modifying agent, with the aluminous fly-ash extraction synthesizing porous calcium silicates of aluminum and coproducing as base material,
With polypropylene as vector resin, the high absorption masterbatch of compound preparation.Described coupling agent is titanate coupling agent, and model is
CS102.Described dispersant is low molecular weight polyethylene wax, and mean molecule quantity is between 2000-5000.Described antioxidant is four
Pentaerythritol ester.
The preparation method of described adsorbable harmful gas melt-blown filter materials, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
19min, temperature 105 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, and wherein, screw extruder one district temperature is 265 DEG C, two district's temperature are 265 DEG C, three district's temperature
Be 255 DEG C, four district's temperature be 245 DEG C, cross box temperature is 265 DEG C, and filament spinning component temperature is 265 DEG C, and hot air temperature is 275
℃。
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (9)
1. an adsorbable harmful gas melt-blown filter materials, it is characterised in that be made up of according to the raw material of mass fraction following:
Polypropylene 60-80 part
High absorption masterbatch 20-40 part
Coupling agent 0.5-2 part
Dispersant 0.5-1 part
Antioxidant 0.05-0.2 part.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that by following according to quality
The raw material composition of number:
Polypropylene 65-75 part
High absorption masterbatch 25-35 part
Coupling agent 0.8-1.5 part
Dispersant 0.6-0.9 part
Antioxidant 0.08-0.15 part.
Adsorbable harmful gas melt-blown filter materials the most according to claim 2, it is characterised in that by following according to quality
The raw material composition of number:
Polypropylene 70 parts
High absorption masterbatch 30 parts
Coupling agent 1.2 parts
Dispersant 0.7 part
0.12 part of antioxidant.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that described polypropylene is
High melting means polypropylene, model is PP 3546G, melt index 1200g/10min.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that described high absorption mother
Material is with self assembly auxiliary agent F01A as modifying agent, with the aluminous fly-ash extraction synthesizing porous calcium silicates of aluminum and coproducing as base material, with
Polypropylene is vector resin, the high absorption masterbatch of compound preparation.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that described coupling agent is
Titanate coupling agent, model is CS102.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that described dispersant is
Low molecular weight polyethylene wax, mean molecule quantity is between 2000-5000.
Adsorbable harmful gas melt-blown filter materials the most according to claim 1, it is characterised in that described antioxidant is
Pentaerythritol tetrathioglycollate.
9. a preparation method for the adsorbable harmful gas melt-blown filter materials as described in claim 1-8 is arbitrary, its feature
It is, comprises the following steps:
(1) press mass fraction polypropylene, high absorption masterbatch, coupling agent, dispersant, antioxidant are put in high-speed mixer and mixed
15-20min, temperature 100-110 DEG C, mixing and stirring；
(2) compound of mixing and stirring is put in melt-blown non-woven equipment, through melt extruding, hot blast drawing-off, cooling,
Solidifying net, prepares melt-blown filter materials, wherein, screw extruder one district temperature is 260-270 DEG C, two district's temperature are 260-270 DEG C,
Three district's temperature are 250-260 DEG C, four district's temperature are 240-250 DEG C, and cross box temperature is 260-270 DEG C, and filament spinning component temperature is
260-270 DEG C, hot air temperature is 270-280 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490624.5A CN106039844A (en) | 2016-06-29 | 2016-06-29 | Harmful gas absorbable melt-blow filter material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490624.5A CN106039844A (en) | 2016-06-29 | 2016-06-29 | Harmful gas absorbable melt-blow filter material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106039844A true CN106039844A (en) | 2016-10-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304829A (en) * | 2020-04-28 | 2020-06-19 | 辽宁东铄新材料科技有限公司 | Preparation method of odorless melt-blown fabric |
| CN114016210A (en) * | 2021-10-11 | 2022-02-08 | 苏州康胜氟材料科技有限公司 | Anti-aging melt-blown non-woven filter material, manufacturing method and application thereof |
-
2016
- 2016-06-29 CN CN201610490624.5A patent/CN106039844A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304829A (en) * | 2020-04-28 | 2020-06-19 | 辽宁东铄新材料科技有限公司 | Preparation method of odorless melt-blown fabric |
| CN114016210A (en) * | 2021-10-11 | 2022-02-08 | 苏州康胜氟材料科技有限公司 | Anti-aging melt-blown non-woven filter material, manufacturing method and application thereof |
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Application publication date: 20161026 |