CN109853079A - A kind of photocatalytic self-cleaning fabric and preparation method thereof - Google Patents
A kind of photocatalytic self-cleaning fabric and preparation method thereof Download PDFInfo
- Publication number
- CN109853079A CN109853079A CN201811651078.4A CN201811651078A CN109853079A CN 109853079 A CN109853079 A CN 109853079A CN 201811651078 A CN201811651078 A CN 201811651078A CN 109853079 A CN109853079 A CN 109853079A
- Authority
- CN
- China
- Prior art keywords
- parts
- nano
- chitosan
- preparation
- photocatalytic self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Catalysts (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of photocatalytic self-cleaning fabric and preparation method thereof, Main Components and its corresponding mass part are as follows: 65-80 parts of polyvinyl chloride, 10-15 parts of polyethylene terephthalate, and silver-carrying nano TiO24-10 parts, Nano-meter SiO_22 2-6 parts, 2-6 parts of disodium hydrogen phosphate, 3-6 parts of polystyrenesulfonate, 3-5 parts of cellulose esters, 8-13 parts of butyl benzyl phthalate, 2-5 parts of nano zine oxide, 2-5 parts of nano cuprous oxide, 0.1-0.3 parts of defoaming agent, 0.4-1.2 parts of chitosan, wetting agent 0.3-1 parts of emulsification, 2-5 parts of sodium alginate, 0.5-1.5 parts of esterase, and process is simple, it is easily industrialized, is suitable for promoting the use of.The present invention can realize the automatically cleaning of fabric under visible light；It is stronger more durable that preparation method makes the combination of photochemical catalyst and fabric, and preparation method is simple, use easy to spread.
Description
Technical field
The invention belongs to fibers to prepare self-cleaning finishing technical field, and in particular to a kind of photocatalytic self-cleaning fabric and its
Preparation method.
Background technique
Functions of textile fabrics is the research hotspot of textile technology field in recent years, it is main by introduce it is functional organic or
Inorganic nano material assigns fabric certain functionality.In numerous functional additives, photochemical catalyst can beche-de-mer without spike under, with
Redox reaction and light reaction occur between its surface adsorbate, becomes more promising material in functions of textile fabricsization research
Material.
Nano-TiO2It is one of common photochemical catalyst, there is non-toxic and tasteless, nonirritant, high chemical stability, strong suction
The features such as receipts UV resistance, high visible light permeability.It, will by the postfinishing process such as padding, coating under adhesive effect
Nano-TiO2It is attached to fabric surface.
Titanium dioxide nanoparticle is coated on cotton fabric and prepares self-cleaning fabrics by Meilet etc., and surface of cotton fabric is first used
Functional functional group passes through infusion process for titanium dichloride load in fabric surface as chemical spacer object afterwards.Application number
The Chinese patent application of CN2011101270790 discloses a kind of Self-cleaning heat-preserving fabric, from the inside to the outside successively by cotton layer, instead
Layer, heat preservation layer are penetrated, cavity layer and decorative layer are closely combined for five layers totally, and are fixed with nanometer in decor surface protrusion
Grade titanium dioxide particle.
Although can be by nano-TiO using the techniques such as padding, coating2It is attached to fabric surface, but the washable jail of aforesaid way
Spend it is lower, it is functional not lasting, and nano-TiO2Only there is response to ultraviolet light, photocatalytic self-cleaning demand cannot be fully met.
Summary of the invention
For the deficiency of existing issue, the first purpose of the invention is to provide a kind of photocatalytic self-cleaning fabrics；
Second purpose of the invention is to provide a kind of preparation method of photocatalytic self-cleaning fabric.
The technical solution used to solve the technical problems of the present invention is that:
A kind of photocatalytic self-cleaning fabric, Main Components and its corresponding mass part are as follows: 65-80 parts of polyvinyl chloride, poly- pair
10-15 parts of ethylene terephthalate, silver-carrying nano TiO24-10 parts, Nano-meter SiO_222-6 parts, disodium hydrogen phosphate 2-6
Part, 3-6 parts of polystyrenesulfonate, 3-5 parts of cellulose esters, 8-13 parts of butyl benzyl phthalate, nano zine oxide 2-5
Part, 2-5 parts of nano cuprous oxide, 0.1-0.3 parts of defoaming agent, 0.4-1.2 parts of chitosan, wetting agent 0.3-1 parts is emulsified, alginic acid
2-5 parts of sodium, 0.5-1.5 parts of esterase.
As the optimal technical scheme of the application, Main Components and its corresponding mass part are as follows: 70 parts of polyvinyl chloride, poly- pair
13 parts of ethylene terephthalate, silver-carrying nano TiO28 parts, Nano-meter SiO_225 parts, 3 parts of disodium hydrogen phosphate, polyphenyl second
4 parts of alkene sulphonic acid ester, 3 parts of cellulose esters, 10 parts of butyl benzyl phthalate, 3 parts of nano zine oxide, nano cuprous oxide 3
Part, 0.2 part of defoaming agent, 1 part of chitosan, emulsify 0.8 part of wetting agent, 4 parts of sodium alginate, 1 part of esterase.
The preparation method of above-mentioned photocatalytic self-cleaning fabric, includes the following steps:
(1) raw material is weighed by formula, first by silver-carrying nano TiO2It is soluble in water, 10~30min is stirred, then add nanometer
SiO2, nano zine oxide, nano cuprous oxide, continue 20~30min of stirring, move into reaction kettle, 150-250 DEG C of reaction 2-
5h obtains mixture A after cooling；
(2) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, add mixture A,
It is heated into molten condition, is added what butyl benzyl phthalate, cellulose esters, chitosan and remaining component mixed modified
Spinning melt；
(3) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt with
The outflow of filament state, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 120~200 DEG C, as-spun fibre is processed,
Stretch 5-8 times, controlled at superfine Denier fibre is formed after 140~160 DEG C of twirls windings, respin woven into fabric to get.
As the optimal technical scheme of the application, in the step (1), silver-carrying nano TiO2Partial size in 100-
Between 200nm.
As the optimal technical scheme of the application, in the step (2), chitosan is hydroxyethyl chitosan, methylol shell
One of which or two kinds of mixture in glycan.
As the optimal technical scheme of the application, the spinning machine spinning speed is 1000-5000m/min.
Beneficial effect
Photocatalytic self-cleaning fabric provided by the invention and preparation method thereof has beneficial below compared with prior art
Effect:
(1) present invention can realize the automatically cleaning of fabric under visible light；
(2) preparation method provided by the invention makes the combination of photochemical catalyst and fabric stronger more durable.
Detailed description of the invention
Fig. 1 is the degradation situation of photocatalytic self-cleaning fabric of the invention to methane.
Specific embodiment
The present invention is described in further details with reference to embodiments.Production is not specified in agents useful for same or instrument and equipment
Manufacturer, it is accordingly to be regarded as the conventional products that can be bought by market.
Embodiment 1:
A kind of photocatalytic self-cleaning fabric, Main Components and its corresponding mass part are as follows: 65 parts of polyvinyl chloride, gathering to benzene two
10 parts of formic acid glycol ester, 4 parts of silver-carrying nano TiO2, Nano-meter SiO_222 parts, 2 parts of disodium hydrogen phosphate, polystyrene sulphur
3 parts of acid esters, 3 parts of cellulose esters, 8 parts of butyl benzyl phthalate, 2 parts of nano zine oxide, 2 parts of nano cuprous oxide, disappear
0.1 part of infusion, 0.4 part of chitosan, emulsify 0.3 part of wetting agent, 2 parts of sodium alginate, 0.5 part of esterase.
The preparation method of above-mentioned photocatalytic self-cleaning fabric, includes the following steps:
(1) raw material is weighed by formula, first by silver-carrying nano TiO2It is soluble in water, 10min is stirred, then add Nano-meter SiO_22, receive
Rice zinc oxide, nano cuprous oxide continue to stir 20min, move into reaction kettle, 150 DEG C of reaction 2h, obtain mixture A after cooling,
Wherein, silver-carrying nano TiO2Partial size in 100nm；
(2) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, add mixture A,
It is heated into molten condition, is added what butyl benzyl phthalate, cellulose esters, chitosan and remaining component mixed modified
Spinning melt, wherein chitosan is hydroxyethyl chitosan；
(3) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt with
The outflow of filament state, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 120 DEG C, as-spun fibre is processed, stretches 5
Times, superfine Denier fibre is formed after winding controlled at 140 DEG C of twirls, respins woven into fabric, wherein the spinning machine spinning speed
Degree is 1000-5000m/min.
Embodiment 2
A kind of photocatalytic self-cleaning fabric, Main Components and its corresponding mass part are as follows: 70 parts of polyvinyl chloride, gathering to benzene two
13 parts of formic acid glycol ester, silver-carrying nano TiO28 parts, Nano-meter SiO_225 parts, 3 parts of disodium hydrogen phosphate, polystyrene sulphur
4 parts of acid esters, 3 parts of cellulose esters, 10 parts of butyl benzyl phthalate, 3 parts of nano zine oxide, 3 parts of nano cuprous oxide, disappear
0.2 part of infusion, 1 part of chitosan, emulsify 0.8 part of wetting agent, 4 parts of sodium alginate, 1 part of esterase.
The preparation method of above-mentioned photocatalytic self-cleaning fabric, includes the following steps:
(1) raw material is weighed by formula, first by silver-carrying nano TiO2It is soluble in water, 20min is stirred, then add Nano-meter SiO_22, receive
Rice zinc oxide, nano cuprous oxide continue to stir 25min, move into reaction kettle, 200 DEG C of reaction 4h, obtain mixture A after cooling,
Wherein, silver-carrying nano TiO2Partial size 150nm；
(2) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, add mixture A,
It is heated into molten condition, is added what butyl benzyl phthalate, cellulose esters, chitosan and remaining component mixed modified
Spinning melt, wherein chitosan is carboxymethyl chitosan；
(3) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt with
The outflow of filament state, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 150 DEG C, as-spun fibre is processed, stretches 6
Times, superfine Denier fibre is formed after winding controlled at 150 DEG C of twirls, respins woven into fabric, wherein the spinning machine spinning speed
Degree is 2500m/min.
Embodiment 3
A kind of photocatalytic self-cleaning fabric, Main Components and its corresponding mass part are as follows: 80 parts of polyvinyl chloride, gathering to benzene two
15 parts of formic acid glycol ester, silver-carrying nano TiO210 parts, Nano-meter SiO_226 parts, 6 parts of disodium hydrogen phosphate, polystyrene sulphur
6 parts of acid esters, 5 parts of cellulose esters, 13 parts of butyl benzyl phthalate, 5 parts of nano zine oxide, 5 parts of nano cuprous oxide, disappear
0.3 part of infusion, 1.2 parts of chitosan, emulsify 1 part of wetting agent, 5 parts of sodium alginate, 1.5 parts of esterase.
The preparation method of above-mentioned photocatalytic self-cleaning fabric, includes the following steps:
(1) raw material is weighed by formula, first by silver-carrying nano TiO2It is soluble in water, 30min is stirred, then add Nano-meter SiO_22, receive
Rice zinc oxide, nano cuprous oxide continue to stir 30min, move into reaction kettle, 250 DEG C of reaction 5h, obtain mixture A after cooling,
Wherein, silver-carrying nano TiO2The equal 200nm of partial size；
(2) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, add mixture A,
It is heated into molten condition, is added what butyl benzyl phthalate, cellulose esters, chitosan and remaining component mixed modified
Spinning melt, wherein chitosan is hydroxyethyl chitosan, the one of which in carboxymethyl chitosan or two kinds of mixture；
(3) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt with
The outflow of filament state, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 200 DEG C, as-spun fibre is processed, stretches 8
Times, superfine Denier fibre is formed after winding controlled at 160 DEG C of twirls, respins woven into fabric, wherein the spinning machine spinning speed
Degree is 5000m/min.
Comparative example 1
Main Components and corresponding mass part are same as Example 2.
Preparation method includes the following steps:
(1) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, adds silver-carrying nano
TiO2, nano zine oxide, nano cuprous oxide, be heated into molten condition, butyl benzyl phthalate, cellulose be added
Ester, chitosan and remaining component mix to obtain modified spinning melt, wherein chitosan is carboxymethyl chitosan；
(2) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt with
The outflow of filament state, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 150 DEG C, as-spun fibre is processed, stretches 6
Times, superfine Denier fibre is formed after winding controlled at 150 DEG C of twirls, respins woven into fabric, wherein the spinning machine spinning speed
Degree is 2500m/min.
Performance test
1. with reference to the method for Memon Hafeezullah etc., select the identical organic glass drier of two specifications as
Reaction unit, organic glass will not be reacted with formaldehyde gas, and translucency is good.Formalin 100mL is prepared in surface plate, is put
It sets in drier bottom, for simulating formaldehyde environment, ceramic air permeable plate is put in centre.100mL distilled water conduct is put in culture dish
Fabric is held in culture dish upper layer with rubber band by prepare liquid.Grournd glass lid is covered, places 48w's at the top of whole device
Incandescent lamp.
Fabric is tightly attached on culture dish, drier upper layer is placed in, the evaporation of addition formalin is placed by drier lower layer
Ware, close the cover open incandescent lamp.By certain time, content of formaldehyde in spectrophotometry test prepare liquid is measured.Pass through first
Aldehyde degradation rate characterizes fabric photocatalysis Degradation Formaldehyde performance.Degradation Formaldehyde rate is calculated with following formula:
M=(C0-C)/C0* 100%,
Wherein, M is Degradation Formaldehyde rate；C0For the absorbance of prepare liquid after placement original cloth；C is to be measured after placing finish fabric
The absorbance of liquid.
As a result as shown in Figure 1, after radiation of visible light 3h, Degradation Formaldehyde rate is maximum, and with the growth of time, degradation rate is presented
Decline trend, it is possible thereby to illustrate, under visible light illumination, photochemical reaction occurs for the fabric surface after arranging, to first
Aldehyde has degradation effect；And Examples 1 to 3, compared with comparative example, degradation effect is significant.
Protection content of the invention is not limited to above embodiments.Without departing from the spirit and scope of the invention, originally
Field technical staff it is conceivable that variation and advantage be all included in the present invention, and with the attached claims be protection
Range.
Claims (6)
1. a kind of photocatalytic self-cleaning fabric, which is characterized in that Main Components and its corresponding mass part are as follows: polyvinyl chloride 65-
80 parts, 10-15 parts of polyethylene terephthalate, silver-carrying nano TiO24-10 parts, Nano-meter SiO_22 2-6 parts, ten phosphate dihydrates
2-6 parts of disodium hydrogen, 3-6 parts of polystyrenesulfonate, 3-5 parts of cellulose esters, 8-13 parts of butyl benzyl phthalate, nanometer
2-5 parts of zinc oxide, 2-5 parts of nano cuprous oxide, 0.1-0.3 parts of defoaming agent, 0.4-1.2 parts of chitosan, emulsify wetting agent 0.3-1
Part, 2-5 parts of sodium alginate, 0.5-1.5 parts of esterase.
2. photocatalytic self-cleaning fabric according to claim 1, which is characterized in that Main Components and its corresponding mass part are such as
Under: 70 parts of polyvinyl chloride, 13 parts of polyethylene terephthalate, 8 parts of silver-carrying nano TiO2, Nano-meter SiO_22 5 parts, Shi Ershui
It is 3 parts of disodium hydrogen phosphate, 4 parts of polystyrenesulfonate, 3 parts of cellulose esters, 10 parts of butyl benzyl phthalate, nano oxidized
3 parts of zinc, 3 parts of nano cuprous oxide, 0.2 part of defoaming agent, 1 part of chitosan, 0.8 part of wetting agent of emulsification, 4 parts of sodium alginate, glycerol
1 part of rosin ester.
3. the preparation method based on photocatalytic self-cleaning fabric described in claim 1, which comprises the steps of:
(1) raw material is weighed by formula, first by silver-carrying nano TiO2It is soluble in water, 10 ~ 30 min are stirred, then add Nano-meter SiO_22, receive
Rice zinc oxide, nano cuprous oxide, continue 20 ~ 30 min of stirring, move into reaction kettle, 150-250 DEG C of reaction 2-5 h, cooling
Mixture A is obtained afterwards；
(2) polyvinyl chloride, polyethylene terephthalate, polystyrenesulfonate are mixed, adds mixture A, heated
At molten condition, butyl benzyl phthalate, cellulose esters, chitosan and remaining component is added and mixes to obtain modified spinning
Melt；
(3) spinning melt is sent through screw extruder to spinning machine, by aperture intensive on spinneret, spinning melt is with filament
State outflow, obtains as-spun fibre through air cooled and solidified；In the case where temperature is 120 ~ 200 DEG C, as-spun fibre is processed, stretches 5-
8 times, form superfine Denier fibre after winding controlled at 140 ~ 160 DEG C of twirls, respin woven into fabric to get.
4. the preparation method of photocatalytic self-cleaning fabric according to claim 2, which is characterized in that in the step (1),
Silver-carrying nano TiO2Partial size between 100-200 nm.
5. the preparation method of photocatalytic self-cleaning fabric according to claim 2, which is characterized in that in the step (2),
Chitosan is hydroxyethyl chitosan, the one of which in carboxymethyl chitosan or two kinds of mixture.
6. the preparation method of photocatalytic self-cleaning fabric according to claim 2, which is characterized in that the spinning machine is spun
Silk speed is 1000-5000 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651078.4A CN109853079A (en) | 2018-12-31 | 2018-12-31 | A kind of photocatalytic self-cleaning fabric and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651078.4A CN109853079A (en) | 2018-12-31 | 2018-12-31 | A kind of photocatalytic self-cleaning fabric and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109853079A true CN109853079A (en) | 2019-06-07 |
Family
ID=66893550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811651078.4A Pending CN109853079A (en) | 2018-12-31 | 2018-12-31 | A kind of photocatalytic self-cleaning fabric and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109853079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235669A (en) * | 2020-04-07 | 2020-06-05 | 湖南翰坤实业有限公司 | Modified spinning material with self-cleaning function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587453A (en) * | 2004-07-02 | 2005-03-02 | 汪莹 | Photocatalytic and antiseptic far infrared fiber and its preparing method |
| CN105568426A (en) * | 2016-03-17 | 2016-05-11 | 金华知产婺源信息技术有限公司 | Manufacture method of self-cleaning fabric |
| CN108755164A (en) * | 2018-06-01 | 2018-11-06 | 东莞鹭翔环保新材料科技有限公司 | A kind of degradation of formaldehyde, TVOC and the high molecular emulsion foaming kind product and preparation method that inhibit germ |
-
2018
- 2018-12-31 CN CN201811651078.4A patent/CN109853079A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587453A (en) * | 2004-07-02 | 2005-03-02 | 汪莹 | Photocatalytic and antiseptic far infrared fiber and its preparing method |
| CN105568426A (en) * | 2016-03-17 | 2016-05-11 | 金华知产婺源信息技术有限公司 | Manufacture method of self-cleaning fabric |
| CN108085775A (en) * | 2016-03-17 | 2018-05-29 | 金华知产婺源信息技术有限公司 | A kind of preparation method of Self-cleaning fabric |
| CN108755164A (en) * | 2018-06-01 | 2018-11-06 | 东莞鹭翔环保新材料科技有限公司 | A kind of degradation of formaldehyde, TVOC and the high molecular emulsion foaming kind product and preparation method that inhibit germ |
Non-Patent Citations (4)
| Title |
|---|
| 吴宏富等主编: "《中国粉体工业通鉴 第二卷（2006版）》", 30 June 2006, 中国建材工业出版社 * |
| 唐元洪主编: "《纳米材料导论》", 30 June 2011, 湖南大学出版社 * |
| 张全勤等: "《纳米技术新进展》", 31 January 2005, 国防工业出版社 * |
| 张子成等: "《塑料产品设计》", 31 March 2006, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235669A (en) * | 2020-04-07 | 2020-06-05 | 湖南翰坤实业有限公司 | Modified spinning material with self-cleaning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107502974A (en) | A kind of method that covering yarn of chopped fiber bag micropore alkali soluble polyester long filament prepares hollow woven product | |
| CN106676664B (en) | A kind of 6 preoriented yarn of flame-proof abrasion-resistant type polyamide fibre | |
| CN102560724A (en) | Production method of inorganic nanometer light response type self-cleaning polyester fiber | |
| CN102560707B (en) | Polyimide fiber with kidney-shaped section and preparation method thereof | |
| CN101831762A (en) | Composite fiber porous membrane composited by ornithoctonus huwena threads and polylactic acid and method for producing same | |
| CN106317390B (en) | A kind of preparation method of moisture absorption antistatic polyester and fiber | |
| CN109853079A (en) | A kind of photocatalytic self-cleaning fabric and preparation method thereof | |
| CN107217319A (en) | A kind of regenerated terylene draw textured yarn, its production method and regeneration polar fleece fabric | |
| CN103484968B (en) | A kind of copolyesters fused mass directly spinning pre-oriented yarn and preparation method thereof | |
| CN107761184A (en) | A kind of original liquid coloring composite fibre and preparation method thereof | |
| CN114959941A (en) | Dacron macrobiological fiber containing active ingredients of tea and orange and preparation method thereof | |
| CN107460545B (en) | A kind of preparation method of rodlike zirconium oxide whisker | |
| CN112812554A (en) | anti-UV, antibacterial and delustering polyamide chip and preparation method thereof | |
| CN110670167A (en) | Preparation method of antibacterial polyester staple fibers | |
| CN102618961B (en) | Preparation method of low-strength low-elongation terylene filament | |
| CN103964446A (en) | Method for preparing silicon nanometer micro-tube by utilizing silk fibroin as template | |
| CN109440223A (en) | A kind of wet fiber material preparation method of spiral porous structure | |
| CN106222787A (en) | A kind of regenerative piece of polyester bottle prepares the method for photothermal response chopped fiber | |
| CN106319680B (en) | A kind of manufacturing method of multifunction polyester staple fiber | |
| CN109161973A (en) | The production technology of acid fiber by polylactic | |
| CN108048946A (en) | A kind of hydrophilic fire-retardant polyester fibre material and preparation method thereof | |
| CN107699976A (en) | A kind of antistatic PET filament and preparation method thereof | |
| CN109467683B (en) | Preparation method of modified polyester chip, polyester chip and polyester fiber | |
| CN108624972A (en) | Graphene/silicon compound, graphene/silicon compound/polyacrylonitrile composite fiber and preparation method thereof | |
| CN109722741B (en) | Sheath-core flame-retardant filament and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |