CN203238368U - Honeycomb structure photocatalyst terylene modified short fiber - Google Patents
Honeycomb structure photocatalyst terylene modified short fiber Download PDFInfo
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- CN203238368U CN203238368U CN 201220474770 CN201220474770U CN203238368U CN 203238368 U CN203238368 U CN 203238368U CN 201220474770 CN201220474770 CN 201220474770 CN 201220474770 U CN201220474770 U CN 201220474770U CN 203238368 U CN203238368 U CN 203238368U
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Abstract
The utility model relates to a honeycomb structure photocatalyst terylene modified short fiber. The honeycomb structure photocatalyst terylene modified short fiber provided by the utility model can be dyed by a dispersive dye at a high temperature and high pressure (the dyeing temperature is lower than or equal to 125 DEG C) or dyed by a cation dye at normal temperature and normal pressure. Irregular multi-micropore structures are arranged on the surface of and in the honeycomb structure photocatalyst terylene modified short fiber; micropores are communicated with one another. The honeycomb structure photocatalyst terylene modified short fiber is obtained by fusing and spinning photocatalyst modified terylene. The short fiber provided by the utility model is prepared under a condition that a pore-forming agent is not added, can absorb harmful gas and harmful microorganisms and has multiple functions of suppressing bacteria, preventing mildews, removing odor, absorbing wetness and realizing quick drying; under light irradiation, the absorbed harmful gas and the harmful microorganisms can be decomposed into carbon dioxide and water; a function of purifying the air and the environment is realized; under an irradiation condition, the honeycomb structure photocatalyst terylene modified short fiber can be continuously used, works out correspondingly and can be used for spinning various textiles.
Description
Technical field
The utility model belongs to the spinning field, relates to a kind of honeycomb photocatalyst polyester modified short fiber.
Background technology
Along with the raising of human material progress, the human puzzlement that is also standing automobile exhaust pollution, formaldehyde pollution, benzene and pollute, go mouldy etc. the living environment problem.China decorates room air monitoring center of association accumulative total the check of 200 new cars is found, all there is noxious air severe overweight problem in the car in nearly ninety percent automobile.Seeking the new technology of cleaning ambient, is the target that the various countries scientist makes joint efforts.
The main component of photocatalyst is nano level titanium dioxide (TiO
2).After the ultraviolet ray in the titanium dioxide absorption sunlight, internal electron is excited, form superoxides and the hydroxyl atomic group of active oxygen, the oxidability that it is superpower, can destroy the cell membrane of cell, cytoplasm is run off dies till death, solidify the protein of virus, the activity that suppresses virus, and catch, kill the planktonic bacteria in the deacration, sterilizing ability reaches more than 99%, simultaneously, the hydroxyl free radical that titanium dioxide is subjected to generate behind the light can be accelerated the decomposition of organic substance, gas, improves air cleaning efficient, thereby plays the effect of deodorization.According to the test of laboratory of authoritative institution, every square photocatalyst is compared with other deodorization materials, and the deodorization ability is 150 times of high-performance fiber activated carbon, is equivalent to the effect of 500 activated carbon deodorant for refrigerator.
Identification was once done at U.S. FDA Food Inspection center, titanium dioxide is determined without injury to human body, nowadays photocatalyst just is being widely adopted aspect food, daily living article, cosmetics, medicine, aquaculture and solution room air pollution, can guarantee to greatest extent health.Japan has become in this field country advanced in the world at present, and photocatalyst technology is successfully applied to the automobile antibacterial purifying and processes, and becomes up-to-date vehicle cleaning of tool.Vehicle after every use photocatalyst is processed needn't be done any disinfection again in 5 years.Simultaneously, photocatalyst is purifying exhaust air on one's own initiative, and this is a kind of Gospel to the modern who drives for a long time.In hospital, photocatalyst can suppress the ward syndrome effectively, to the sterilizing effectively such as sick bed, medicine equipment, can not leave over down and has drug-fast bacterium.Japan's state hospital has begun to adopt this technology to improve environmental sanitation, and the nauseating smell that distributes in the finishing after the photocatalyst construction, can effectively be removed in the places of business such as KTV, builds good, pure and fresh environment.Now, many Japanese families also utilize photocatalyst to beautify home environment, the function that bring into play its sterilizing disease-preventing, improves the health.
The utility model content
The purpose of this utility model is to overcome defective of the prior art, and a kind of novel honeycomb photocatalyst polyester modified short fiber is provided.
In order to solve the problem of prior art, the utility model adopts following technical scheme to realize:
Honeycomb photocatalyst polyester modified short fiber of the present utility model, can dye the honeycomb photocatalyst polyester modified short fiber of cationic dye capable of dyeing under (dyeing temperature≤125 ℃) or the normal temperature and pressure for disperse dyes under the High Temperature High Pressure, the component of its raw material and weight percentage are: nano titanium oxide 1.2%～1.6%, surplus are the polyester modified section with preliminary microcellular structure trend; With the photo-catalytic modified terylene of component called after of described raw material, described honeycomb photocatalyst polyester modified short fiber is made through melt spinning by photo-catalytic modified terylene.Surface and the inside of described honeycomb photocatalyst polyester modified short fiber have irregular multi-cellular structure, mutually connect between each micropore, and surface and/or the inside of the outer surface of described whole honeycomb photocatalyst polyester modified short fiber, top layer and/or inner and each micropore are evenly distributed with nano titanium oxide or photocatalyst particle.
Described nano titanium oxide or photocatalyst particle are nanometer scale.
Better, the particle diameter of described nano titanium oxide or photocatalyst particle is 30～50 nanometers.
The cross section of described honeycomb photocatalyst polyester modified short fiber is rounded, subcircular, ellipse, triangle, square; The maximum gauge of its fiber cross section is 11～13 μ m or 13～20 μ m.
Photocatalyst particle of the present utility model is dioxide photocatalyst titanium composite particles, and its particle diameter is 30～50 nanometers.
Honeycomb photocatalyst polyester modified short fiber of the present utility model, be the environmental friendliness fiber, not only have the pernicious gas of absorption, harmful microorganism, the bacteria mildew-proof deodorizing, the several functions such as hydroscopic fast-drying, and having under the light irradiation, pernicious gas, the harmful microorganism that absorbs can be decomposed into carbon dioxide and water, have purify air, the function of environment; Under illumination condition, continuous use capable of circulation and performance respective action.
Honeycomb photocatalyst polyester modified short fiber of the present utility model is take Cationic Dyeable Pet as carrier, in the fiber of its irregular multi-cellular structure, titanium dioxide composite micro-powder or dioxide photocatalyst titanium composite particles with photocatalyst function have been added, because the multi-cellular structure of fiber, make titanium dioxide composite functional micro mist or particulate more relatively be in apparent surface's (communicating with atmosphere) of fiber, bring into play stronger adsorption-decomposition function and bactericidal action.Because described fiber surface and inside have irregular multi-cellular structure, are interconnected between the micropore, so the capilar bore effect of fiber self inside makes it have permanent quick moisture absorption and drying function.Environmental friendliness terylene modified fiber of the present utility model is white in color, can be under disperse dyes dyeing under the High Temperature High Pressure (dyeing temperature≤125 ℃) or normal temperature and pressure cationic dyeing, adapt to Bai Fangse and spin, purely spin blending, to satisfy the environmental friendliness textiles to the demand of color.
Honeycomb photocatalyst polyester modified short fiber yarn of the present utility model can be widely used in preparing various textiless; Such as automobile interior trim, the interior decorative fabric of public place; Carpet; Bedding in the household, curtain, sofa cloth; Bactericidal mask, the bedding on the hospital bed; Dress ornament, towel, socks, gym outfit; The multiple textiless such as fabric are worn, filled up to pet.
The key property of honeycomb photocatalyst polyester modified short fiber of the present utility model comprise following some:
1, the functional characteristic of honeycomb photocatalyst polyester modified short fiber adding nano titanium oxide of the present utility model or photocatalyst particle is:
(1) honeycomb photocatalyst fiber is under the effect of sunlight or fluorescent lamp, the pernicious gas automatic classifyings such as benzene, dimethylbenzene, ammonia, formaldehyde, cigarette be smelly of contact can be become carbon dioxide and water, can powerfully decompose smelly source and recycle, realized purifying the benefit of local environment.
(2) photocatalyst has stronger oxidability than ozone, negative oxygen ion, under the effect of sunlight and fluorescent lamp, textiles that this fiber is made can establishment and is killed polytype bacteriums such as Escherichia coli, Staphylococcus aureus, suppuration bacterium, plays the restraining and sterilizing bacteria effect.
(3) the super water-wet behavior of photocatalyst can guarantee that dirt is difficult for adhering to, and allows fabric can keep more for a long time clean.
2, the characteristic of many micropores of nano titanium oxide of the present utility model staple fibre is:
Fine titanium dioxide powders etc. are covered by in ordinary polyester in the chemical fibre carrier and are hedged off from the outer world, and can't bring into play function and only have the top layer micro mist to play a role, and cause effect to reduce and cost raises; Honeycomb photocatalyst polyester modified short fiber of the present utility model forms absorption (pernicious gas and harmful microorganism)-inhibition and kills-decompose-absorb-kills again again-decompose under illumination condition long-acting effect, continuous circulation uses, thereby reaches the environment purification purpose.
The utility model ideally combines photocatalyst by take the multi-cellular structure fiber as carrier, impels this fiber greatly to improve Adsorption and decomposition ability to pernicious gas, harmful organism in the air.Superpower adsorption capacity and capacity of decomposition provide catalytic materials quantitative powerful guarantee for the catalytic efficiency of fiber of the present invention, and final so that light-catalysed actual functional capability and effect strengthen greatly.
Description of drawings
Fig. 1 honeycomb photocatalyst polyester modified short fiber longitudinal section schematic diagram;
Fig. 2 honeycomb photocatalyst polyester modified short fiber cross sectional representation;
A represents cross section for circular; It is triangle that B represents cross section;
The flow sheet of Fig. 3 honeycomb photocatalyst polyester modified short fiber;
Fig. 4 honeycomb photocatalyst polyester modified short fiber is produced with pressue device and pressure release system schematic diagram.
The specific embodiment
Further set forth the utility model below in conjunction with specific embodiment, should understand these embodiment and only be used for explanation the utility model and be not used in restriction protection domain of the present utility model.
Embodiment:
Honeycomb photocatalyst polyester modified short fiber as shown in Figure 1, can dye the honeycomb photocatalyst polyester modified short fiber of cationic dye capable of dyeing under (dyeing temperature≤125 ℃) or the normal temperature and pressure for disperse dyes under the High Temperature High Pressure, the outer surface 1 of described honeycomb photocatalyst polyester modified short fiber and inside have irregular many micropores 2 structures, mutually connect between each micropore 2, described honeycomb photocatalyst polyester modified short fiber is made through melt spinning by photo-catalytic modified terylene; And surface and the inside of the outer surface 1 of described whole honeycomb photocatalyst polyester modified short fiber, top layer, inside and each micropore 2 are evenly distributed with nano titanium oxide.
The particle diameter of described nano titanium oxide is 30～50 nanometers.
The cross section of described honeycomb photocatalyst polyester modified short fiber is subcircular, subcircular, ellipse, triangle, square, honeycomb photocatalyst polyester modified short fiber cross-sectional structure schematic diagram as shown in Figure 2, the diameter of its fiber cross section is 11～13 μ m or 13～20 μ m; Wherein A be shown as honeycomb photocatalyst polyester modified short fiber cross section for circular, the cross section that B is shown as honeycomb photocatalyst polyester modified short fiber is triangle.
The production method of described honeycomb photocatalyst polyester modified short fiber comprises the preparation of photocatalyst master batch, the preparation of polyester modified section with preliminary microcellular structure trend and the melt-spinning technology of honeycomb photocatalyst polyester modified short fiber; Its concrete production procedure, as shown in Figure 3;
Wherein, the melt-spinning technology of described honeycomb photocatalyst polyester modified short fiber, for with prepared photocatalyst master batch, polyester modified section according to separately proportioning respectively after the crystallization of vacuum heat drying, under the condition that does not add pore former, successively after screw extruder melt extrudes, is forced into 10～14MPa high pressure, instantaneous loss of pressure is released into the pressure of 5～7MPa again, carries out spinning through filament spinning component and round, subcircular triangle, ellipse, square or abnormal-shape spinneret plate successively afterwards.
Wherein, pressue device and pressure release system schematic diagram be as shown in Figure 4: described pressue device 9 is conventional pressue device, described pressue device 9 is connected with pressure release system through pipeline 10 connections, polyester modified section after pressue device 9 is forced into the 12MPa high pressure, enters pressure release system 3 through spinning solution fluid that screw extruder melt extrudes; Described pressure release system 3, before being located in the spinning manifold and being positioned at filament spinning component 7, comprise constant voltage chamber 4, earth pressure release chamber 5 and storage chamber 6, the pressure that inherence, described earth pressure release chamber does not discharge end is the 12MPa high pressure, and the pressure that enters after the release in the storage chamber is the 6MPa malleation.Spinning solution fluid after the pressurization is introduced into the constant voltage chamber 4 of pressure release system and carries out the pressurize balance, enter earth pressure release chamber 5 by constant voltage chamber 4 again, then 5 interior instantaneous loss of pressure discharge in the earth pressure release chamber, spinning solution fluid instantaneous loss of pressure under high-temperature high-pressure state discharges expanded formation multi-cellular structure state, after entering at last storage chamber 6, carry out spinning through filament spinning component 7 and round, subcircular, triangle, ellipse, square or abnormal-shape spinneret plate spinning 8.
The preparation of described photocatalyst master batch comprises the steps: nano titanium oxide and makes described photocatalyst master batch by the polyester modified section powder mixed melting with preliminary microcellular structure trend behind the drying crystalline.
Described photocatalyst composite micro-powder be mix in the prior art and compound after titanium dioxide powder, its particle diameter is 30～50 nanometers, described particle diameter with polyester modified section powder of preliminary microcellular structure trend is 1～2mm, the weight percent concentration of nano titanium oxide is 30～40% in the described photocatalyst master batch, preferably 40%.The temperature of described melting is relative low temperature, is 195 ℃～240 ℃.
Described photocatalyst composite micro-powder or photocatalyst composite particles are mixed in the nano titanium oxide by tungsten and antimony and be composited, its weight percentage separately: tungsten is 0.8～1.0 ‰; Antimony is 0.5～1.6 ‰; Surplus is the titanium dioxide of 30～50 nanometers.Described nano titanium oxide or photocatalyst composite particles are for adopting conventional doping techniques of the prior art to mix tungsten, antimony in the nano titanium oxide and adopting conventional nanometer composite technology to be composited; Through mix and nano combined after the photocatalytic activity of photocatalyst composite micro-powder greatly promote, the performance of photocatalyst (photocatalysis) is greatly improved.Described through mixing and photocatalyst composite micro-powder or the photocatalyst composite particles of nanometer composite technology after compound also can be bought in Shang Hairun and be full of the nano titanium dioxide photocatalysis powder (photocatalyst powder) of new material Science and Technology Ltd..
Described particle diameter with polyester modified section powder of preliminary microcellular structure trend is 1～2mm, and the temperature of described melting is that relative low temperature is 195 ℃～240 ℃.
Described preparation with polyester modified section of preliminary microcellular structure trend comprises the steps:
1) 0.001～0.02 part of 76～80 parts of p-phthalic acids, 30～36 parts of ethylene glycol, 15～30 parts of polyethylene glycol, 10～25 parts of Sodium Dimethyl Isophthalate-5-sulfonates, 0.03～0.09 part of antimony glycol and triphenyl phosphate is put into slurry kettle according to proportioning, obtain slurry after fully mixing pulp; (above-mentioned each component is parts by weight);
2) slurry is imported carry out esterification in the esterifying kettle, obtain the compound after the esterification, the temperature of described esterification is controlled at 200 ℃～280 ℃;
3) with after carrying out polycondensation reaction in the importing of the compound after the esterification polycondensation vessel, the polyester modified stoste slurry that obtains having preliminary microcellular structure trend, the temperature of described polycondensation reaction is controlled at 245 ℃～300 ℃, and vacuum degree control is at 30Pa～80Pa;
The polyester modified stoste slurry that 4) will have preliminary microcellular structure trend is extruded into band, cooling through screw machine, makes described polyester modified section with preliminary microcellular structure trend by the pelleter pelletizing at last.
This polyester modified section with preliminary microcellular structure trend mainly is p-phthalic acid and ethylene glycol esterification (or ester exchange), and in company with add together with the 3rd monomer Sodium Dimethyl Isophthalate-5-sulfonate that improves the dyeing terylene performance and carry out together the polycondensation block copolymerization with the 4th monomer polyethylene glycol, antimony glycol and triphenyl phosphate and make.This polyester modified section with preliminary microcellular structure trend has the performance of cationic dye capable of dyeing, and saturation value can reach 〉=and 10.Owing in the component proportion of raw material, having added polyethylene glycol and Sodium Dimethyl Isophthalate-5-sulfonate, so this product has disperse dyes dyeing under the trend of preliminary microcellular structure and the High Temperature High Pressure (dyeing temperature≤125 ℃) simultaneously, also has the performance of cationic dyeing under the normal temperature and pressure.
The production technology of described honeycomb photocatalyst polyester modified short fiber comprises the steps:
A rotary drum is put in the polyester modified section that 1) will have preliminary microcellular structure trend, and the photocatalyst master batch is put into another rotary drum, and two rotary drums carry out the crystallization of vacuum heat drying simultaneously.
Describedly crystallize to that through the vacuum heat drying moisture content reaches 50～100ppm.
Described drying process is preferably: with 2 hours temperature is evenly risen to 85 ℃ from 50 ℃, be incubated after 5 hours, with 2 hours temperature is evenly risen to 125 ℃ from 85 ℃ again, be incubated 2 hours; Described vacuum can be-0.1MPa.
2) with photocatalyst master batch behind the drying crystalline and polyester modified section with preliminary microcellular structure trend according to separately proportioning successively through screw extruder melt extrude, pressue device is forced into 10～14MPa, permanent stable high-pressure delivery system device instantaneous loss of pressure is released into the pressure of 5～7MPa in spinning manifold again, carry out spinning finally by filament spinning component and round or abnormal-shape spinneret plate, obtain polyester modified front spinning bundle after being wound into bucket; Wherein the temperature of spinning manifold and filament spinning component is 286 ℃～292 ℃.
The raw material of described honeycomb photocatalyst polyester modified short fiber is according to the weight percentage meter, and nano titanium oxide is 1.2%～1.6%, and surplus is the polyester modified section with preliminary microcellular structure trend.
The optional usefulness of described nano titanium oxide has the photocatalyst master batch of 40% photocatalyst composite micro-powder concentration; The raw material of described honeycomb photocatalyst polyester modified short fiber is according to the weight percentage meter, and the photocatalyst master batch of 40% photocatalyst composite micro-powder concentration needs 3%～4%, and surplus is polyester modified section.
Photocatalyst master batch behind the described drying crystalline and polyester modified section can import in the screw extruder through dried chip bunker.
Each parameter control is as follows in described melting and the spinning:
Described screw extruder and spinning system Zhong Ge district temperature are: a district 265～275 degree, two districts, 275～285 degree, three districts, 290～310 degree, four districts, 290～310 degree, five districts, 275～285 degree, six districts, 275～285 degree, head 275～285 degree, bend pipe 275～285 degree, filter 290～310 degree, long tube 286～292 degree, spinning manifold 286～292 degree;
Spinning ring blowing temp is controlled at 25 ℃～28 ℃, and humidity is controlled at 50%～65%;
Pressure 6.5～9Mpa after the spinning filter;
800 m/mins～1200 m/mins of spinning silk winding speed;
3) will spin front spinning bundle elder generation balance, spin drafting process after then entering;
The time of described balance is 48～60 hours; After spin in the drafting process, drawing-off dawn number was 70～1,200,000 dawn, draft speed is 100 m/mins～120 m/mins, the oil bath temperature is controlled at 50 ℃～85 ℃, nervous heat-setting box temperature is controlled at 80 ℃～140 ℃; Spin drafting multiple after the integral body and be controlled at 3.5～5.2 times.
4) with the tow after the drawing-off after crimping machine is curling, in baking oven, carry out again relaxation heat setting, tow behind the relaxation heat setting can be obtained successively the honeycomb photocatalyst polyester modified short fiber of the present embodiment through cutting machine cut-out, baling press packing, as depicted in figs. 1 and 2.
Wherein, described draw off rate is 90 m/mins～110 m/mins; Described baking oven is respectively distinguished 90 ℃～150 ℃ of temperature controls; Described tow after curling need to carry out relaxation heat setting in baking oven, to keep each physical index of fiber;
The key technical indexes that the fabric that the honeycomb photocatalyst polyester modified short fiber of after testing, the polyester modified section of the present embodiment, honeycomb photocatalyst polyester modified short fiber and employing gained is made into reaches is as follows:
1, the technical performance index that has the polyester modified section of preliminary microcellular structure trend:
Inherent viscosity: 0.565 ± 0.012; Fusing point: 〉=230 ℃;
Carboxyl-content :≤45; Yellow colour index B value :≤3;
L value: 〉=58; Moisture :≤0.6%;
Impurity content: PPM≤0.07; Different shape material PPM :≤0.05;
Molecular weight: 1800～2000.
2, the key technical indexes of honeycomb photocatalyst polyester modified short fiber:
Monofilament strength: 2.9～3.3CN/dtex; Extension at break: 25%～32%;
180 ℃ of dry-hot shrinkages: 9%～11%; Than resistance: 3.2 * 10
7Ω .cm
3, the leading indicator of the fabric made of honeycomb photocatalyst polyester modified short fiber:
(1) quick-drying: 20 ℃ of temperature, in the environment of relative humidity 65%, 55 minutes, moisture content was 0;
(2) anti-fluffing, ANTIPILLING reach GB more than 4 grades;
(3) bacteriostasis rate of Escherichia coli and staphylococcus aureus is respectively more than 94% and 98%.
(4) go peculiar smell to reach more than 60%, the mildew-resistant degree in 14 days is 1 grade;
(5) formaldehyde: in the closed glass case, add 9.75mg/m
3Formaldehyde, 3 hour concentration rates of descent 70% under fluorescent light; Rate of descent 83% in 6 hours; Rate of descent 86% in 12 hours; Rate of descent 94.5% in 24 hours;
(6) dimethylbenzene: in the closed glass case, add 9.25mg/m
3Dimethylbenzene, after sample (0.73 square metre of area) is processed 3 hours, under the ultra violet lamp, xylene concentration rate of descent 46%; After 24 hours, xylene concentration rate of descent 95.2%;
(7) dyeing:
A: the dyeing of High Temperature High Pressure disperse dyes, 90 ℃ begin colouring, and the dyeing maximum temperature is 125 ℃ (can dye dark color).Fabric is by dyeing and behind high-temperature shaping (150 ℃～160 ℃), typing fastness, sublimation reliability, heat move dye reach 4 grades or more than, the green technology standard reaches the GB-18401 standard.
B: the normal temperature and pressure cationic dyeing, 79 ℃ begin colouring, and dyeing temperature is 95 ℃ (can dye dark color).Fabric is by dyeing and behind high-temperature shaping (150 ℃～160 ℃), typing fastness, sublimation reliability, heat move dye reach 4 grades or more than, the green technology standard reaches the GB-18401 standard.
Claims (2)
1. honeycomb photocatalyst polyester modified short fiber, it is characterized in that, surface and the inside of described honeycomb photocatalyst polyester modified short fiber have irregular multi-cellular structure, mutually connect between each micropore, and described honeycomb photocatalyst polyester modified short fiber is made through melt spinning by photo-catalytic modified terylene.
2. honeycomb photocatalyst polyester modified short fiber as claimed in claim 1 is characterized in that, the cross section of described honeycomb photocatalyst polyester modified short fiber is rounded, oval, triangle or square; The maximum gauge of its fiber cross section is 11～13 μ m or 13～20 μ m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220474770 CN203238368U (en) | 2012-09-18 | 2012-09-18 | Honeycomb structure photocatalyst terylene modified short fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220474770 CN203238368U (en) | 2012-09-18 | 2012-09-18 | Honeycomb structure photocatalyst terylene modified short fiber |
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| CN203238368U true CN203238368U (en) | 2013-10-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523271A (en) * | 2019-09-09 | 2019-12-03 | 厦门当盛新材料有限公司 | Building interior trim material and preparation method thereof |
| CN113737343A (en) * | 2021-07-30 | 2021-12-03 | 浙江龙仕达科技股份有限公司 | Preparation method of elastic yarn coated yarn |
-
2012
- 2012-09-18 CN CN 201220474770 patent/CN203238368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523271A (en) * | 2019-09-09 | 2019-12-03 | 厦门当盛新材料有限公司 | Building interior trim material and preparation method thereof |
| CN113737343A (en) * | 2021-07-30 | 2021-12-03 | 浙江龙仕达科技股份有限公司 | Preparation method of elastic yarn coated yarn |
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Address after: 312352 Zhejiang city of Shaoxing province Shangyu city Caoejiang Industrial Park A-11 Patentee after: Shaoxing Shangyu hoking textile new materials Co. Ltd. Address before: 312352 Zhejiang city of Shaoxing province Shangyu city Caoejiang Industrial Park A-11 Patentee before: Shangyu Honjoy Color Polester Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20200918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |