CN102747450B - Production method of chitin antibacterial mouldproof polypropylene BCF (bulk continuous filament) filament - Google Patents
Production method of chitin antibacterial mouldproof polypropylene BCF (bulk continuous filament) filament Download PDFInfo
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Abstract
The invention discloses a production method of a chitin antibacterial mouldproof polypropylene BCF (bulk continuous filament) filament. The method comprises the following steps: fusing, spinning and cooling polypropylene slice through a screw rod; spraying a mixed solution of chitin preparation and spinning oil on the surface of as-formed fibers, wherein the spray amount is 0.9 to 1.3 percent of the mass of the as-formed fibers; and performing pre-network in the atmospheric pressure of between 0.4 and 0.6 Bar, stretching, bulking, performing cool molding, entangling and coiling to prepare polypropylene BCF filaments, wherein the mass ratio of the chitin preparation to the spinning oil in the mixed solution is (0.25-0.40):1. American ATCC (American Type Culture Collection) antibacterial mouldproof tests prove that the bacteria inhibitive rate of a blanket produced by the chitin antibacterial BCF filament is 99.4 percent for staphylococcus aureus, and 99.9 percent for klebsiella pneumoniae, and the mouldproof level is 1 grade for aspergillus niger.
Description
Technical field
The invention belongs to field of textiles, be specifically related to a kind of production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament; The METHOD FOR POLYPROPYLENE BCF long filament that this method is produced is specially adapted to carpet manufacture.
Background technology
The mankind's living environment exists a large amount of microorganisms, comprises various bacteriums and fungi, and they even bring fatal disease to the mankind under certain condition, and society is caused to very large harm.Statistics according to world WHO tissue, the death that the whole world causes because of bacterial infection is every year 1,700 ten thousand people, account for 1/3 of dead population, the harm of the SARS that the current whole world faces " German Escherichia coli " etc., makes the common people day by day be concerned about human lives's material around.Chitin has been widely used in the world in industries such as the medical treatment of household consumption, building materials, clothes, fabrics.
BCF is the english abbreviation of BULK CONTINUOUS FILAMENT, the meaning is continuous bulk filament, it is the most frequently used, most economical processing method in carpet matte material, feature due to the processing technology of BCF, can make yarn form three-dimensional crimp, its covering performance is best, uses minimum material can reach best coverage effect.
The market scale of appropriate authority prediction chitin Related product in the world has 40,000,000,000 dollars.Expect and within 2015, can form the market scale that surpasses 1,000 hundred million dollars.Chitin has the market capacity of 10,000,000,000 yuan every year in China, the economic benefit of simultaneously predicting chitin in Environmental Industry also by the market that accounts for 10%, to the every annual of the year two thousand twenty with 13% growth rate development.Estimate that the domestic market scale after 5～10 years can reach tens billion of units.Chitin is just progressing into people's life and is presenting the flourish impetus.
Summary of the invention
The object of the invention is on the basis of existing technology, a kind of production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament is provided.The carpet that this chitin antibacterial BCF long filament is made is through the standard testing of U.S. ATCC antibacterial tests, and its antibacterial and mildew-resistant rate can reach higher level.
Object of the present invention can reach by following measures:
A kind of production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament: polypropylene chip through screw rod carry out melt-out spinning and cooling after, the mixed solution of chitin preparation and spinning oil is sprayed on as-spun fibre surface, emitted dose is 0.9～1.3% of as-spun fibre quality, then under air pressure 0.4～0.6 bar, carry out pre-network, carry out again drawing-off, BCF bulking, cooling and shaping, output, entanglement network and coiling, preparation METHOD FOR POLYPROPYLENE BCF long filament; In wherein said mixed solution, the mass ratio of chitin preparation and spinning oil is 0.25～0.40:1.
The production method that the invention also discloses a kind of concrete chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament, it comprises the steps:
(1) preliminary treatment: by chitin preparation and spinning oil in mass ratio the ratio of 0.25～0.40:1 mix, obtain allocating solution;
(2) polypropylene chip carries out melt-out spinning through screw rod;
(3) cooling;
(4) allotment solution pre-treatment step being obtained is by finishing oil pump metered injection on as-spun fibre surface, and emitted dose is controlled at 0.9～1.3% of as-spun fibre quality;
(5) pre-network, air pressure 0.4～0.6 bar;
(6) drawing-off;
(7) BCF bulking;
(8) cooling and shaping, output, entanglement network and coiling.
The shitosan that chitin preparation in the present invention refers to, its average molecular weight range can be 30～400,000, and preferably 34～360,000; Its viscosity is 0.7～0.9pa.s, preferably 0.8pa.s.
In said method, the mass ratio of chitin preparation and spinning oil is preferably 0.25～0.40:1 in the mixed solution of described chitin preparation and spinning oil (allocating solution), and further preferred 0.25～0.35:1, most preferably is 0.3:1.Air pressure during pre-network is preferably 0.5 bar.
In this method, polypropylene is carried out in the step of spinning, other steps except preliminary treatment, injection and pre-network can be with reference to conventional polypropylene BCF continuous yarn spinning step.As polypropylene melt extrudes through screw rod etc. at 220-240 ℃.
In a kind of preferred version, the emitted dose in as-spun fibre jet surface chitin preparation and spinning oil mixed solution process is 0.9～1.3% of as-spun fibre quality, preferably 1.0～1.1%, more preferably 1%.
The prepared METHOD FOR POLYPROPYLENE BCF long filament of this method, owing to being mainly connected with substrate macromolecule material by chemical bond, and be aided with the chitin of specific proportioning and the synergy of polypropylene fibre and other components, make long filament without processing and there is splendid antibacterial and mildew-resistant rate through other again, be applicable to being very much applied to bacteria mildew-proof and weave field, as carpet weaving etc.The METHOD FOR POLYPROPYLENE BCF long filament that this law obtains, when having good bacteria mildew-proof performance, has also maintained good physical and mechanical property, as the METHOD FOR POLYPROPYLENE BCF long filament of embodiment 1 gained, its fracture strength 2.1cN/dtex, elongation at break 39.3%, boiling water shrinkage 2.5%, 25/meter of nexus.
The carpet of being made by gained chitin antibacterial BCF long filament of the present invention is tested bacteriostasis rate through U.S. ATCC antibacterial and mouldproof test standard: staphylococcus aureus 99.4%; Pneumobacillus 99.9%.Mildew-resistant progression: 1 grade of aspergillus niger.
The carpet that adopts this law to prepare has fabulous performance, and expection, by driving the Related product development of domestic spinning industry and carpet industry, forms a more complete industrial chain of ratio.This technology is mainly connected with substrate macromolecule material by chemical bond, has not only further guaranteed the security of using, and has guaranteed the long-lasting of antibacterial effect.Compare with the like product on current international market, it is more lasting that this product has antibacterial effect; High-efficiency broad spectrum is antibacterial; Use safer nontoxic outstanding advantage.
The specific embodiment
embodiment 1:
Raw material: polypropylene chip, Shanghai Jinshan petrochemical industry limited company of China Petrochemical Industry produces, trade mark Y2600T, melt index: 26
Masterbatch: Yixing Xing Yang Masterbatch factory, the trade mark: R122 addition: 1.5%.
Spinning oil: Italian Bu Saite, model 1753.
Chitin preparation: China Tech limited company, model: HY02(shitosan, molecular weight is 350,000, viscosity is 0.8pa.s)
The production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament is as follows:
Chitin preparation is mixed by 0.3:1 with spinning oil, standby after 1 hour to entering in solution agitator stirring at low speed;
To adding quality in polypropylene chip, it is the Masterbatch of polypropylene chip quality 1.5% to send into screw extruder melting mixed, its melt directly enters spinning manifold after extruder is extruded, wherein, each district temperature control for (℃): screw rod: 220,225,225,230,230,235,235, filter: 235, condition of spinning manifold temperature: 235.
Spray silk: measuring pump rotating speed: 20.0 revs/min;
Cooling: lateral blowing temperature: 18 ℃, speed: 0.75 meter per second;
Oil: deployed solution is surperficial at as-spun fibre by finishing oil pump metered injection, and emitted dose is 1% of as-spun fibre quality;
Pre-network, air pressure 0.5 bar
Drawing-off: the first drawing roller: 653 ms/min of speed, the second drawing roller: 695 ms/min of speed, temperature: 85 ℃, dominant draft roller: 2420 ms/min of speed, temperature: 125 ℃;
BCF bulking: 155 ℃ of pressure 7.5bar, temperature;
Cooling and shaping, output, entanglement network, coiling: 30 revs/min of drum cooler speed, the first outlet roller: 2200 ms/min of speed, the second outlet roller: 2225 ms/min of speed; Entanglement network pressure 6.0bar, 2200 ms/min of winding speeds, 250 seconds coiling time.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF filament linear-density 2400 dtexs/150F, hot rolling curvature 25.5%, fracture strength 2.1cN/dtex, elongation at break 39.3%, boiling water shrinkage 2.5%, 25/meter of nexus.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament adopts the two rod gripper rug weaving frames of VDW ADR92 Wilden to weave carpet, weft density: 320 through * 470 latitudes; Weaving method is: by end warp and weft yarn one latitude one circulation, interweave, wherein end warp: the full Polyester Yarns of yarn specification 20S/5, the rear axle full Polyester Yarns of yarn specification 20S/4 for front axle; Weft yarn: 5.2S/2 jute; Suede warp: by above-mentioned chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF yarn, 10.5 millimeters of pile height.The carpet of making is tested bacteriostasis rate through U.S. ATCC TEST METHOD 174-1998 antibacterial and mouldproof test standard: staphylococcus aureus 99.4%; Pneumobacillus 99.9%.Mildew-resistant progression: 1 grade of aspergillus niger, result is as shown in table 1.
Table 1
| Project | Test strain | Standard | Bacteriostasis rate | Mildew-resistant progression |
| 1 | Staphylococcus aureus | ATCC6538 | 99.4% | - |
| 2 | Pneumobacillus | ATCC4352 | 99.9% | - |
| 3 | Melanomyces | ATCC6275 | - | 1 grade |
embodiment 2:
Raw material: polypropylene chip, Jinan petrochemical industry limited company of China Petrochemical Industry produces, trade mark Z30S, melt index: 24
Masterbatch: Tangshan Feng Cai Masterbatch factory, the trade mark: B224 addition: 2.5%.
Spinning oil: German Si Mahuaxue, model C P120.
Chitin preparation: China Tech limited company, model: HY02(shitosan, molecular weight is 350,000, viscosity is 0.8pa.s).
The production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament is as follows:
Chitin preparation is mixed by 0.3:1 with spinning oil, standby after 1 hour to entering in solution agitator stirring at low speed;
To adding quality in polypropylene chip, it is the Masterbatch of polypropylene chip quality 2.5% to send into screw extruder melting mixed, its melt directly enters spinning manifold after extruder is extruded, wherein, each district temperature control for (℃): screw rod: 225,225,230,235,235,238,238, filter: 238, condition of spinning manifold temperature: 235.
Spray silk: measuring pump rotating speed: 28.5 revs/min;
Cooling: lateral blowing temperature: 18 ℃, speed: 0.8 meter per second;
Oil: deployed solution is surperficial at as-spun fibre by finishing oil pump metered injection, and emitted dose is 1.1% of as-spun fibre quality;
Pre-network, air pressure 0.5 bar
Drawing-off: the first drawing roller: 645 ms/min of speed, the second drawing roller: 680 ms/min of speed, temperature: 90 ℃, dominant draft roller: 2400 ms/min of speed, temperature: 128 ℃;
BCF bulking: 165 ℃ of pressure 7.5bar, temperature;
Cooling and shaping, output, entanglement network, coiling: 42 revs/min of drum cooler speed, the first outlet roller: 2220 ms/min of speed, the second outlet roller: 2245 ms/min of speed; Entanglement network pressure 6.8bar, 2210 ms/min of winding speeds, 350 seconds coiling time.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF filament linear-density 2800 dtexs/144F, hot rolling curvature 28.5%, fracture strength 2.6cN/dtex, elongation at break 43.1%, boiling water shrinkage 2.4%, 23/meter of nexus.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament adopts the two rod gripper rug weaving frames of VDW ADR92 Wilden to weave carpet, weft density: 320 through * 470 latitudes; Weaving method is: by end warp and weft yarn one latitude one circulation, interweave, wherein end warp: the full Polyester Yarns of yarn specification 20S/5, the rear axle full Polyester Yarns of yarn specification 20S/4 for front axle; Weft yarn: 5.2S/2 jute; Suede warp: by above-mentioned chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF yarn, 10.5 millimeters of pile height.The carpet of making is tested bacteriostasis rate through U.S. ATCC TEST METHOD 174-1998 antibacterial and mouldproof test standard: staphylococcus aureus 99.5%; Pneumobacillus 99.9%.Mildew-resistant progression: 1 grade of aspergillus niger, result is as shown in table 2.
Table 2
| Project | Test strain | Standard | Bacteriostasis rate | Mildew-resistant progression |
| 1 | Staphylococcus aureus | ATCC6538 | 99.5% | - |
| 2 | Pneumobacillus | ATCC4352 | 99.9% | - |
| 3 | Melanomyces | ATCC6275 | - | 1 grade |
Comparative example 1:
Raw material: polypropylene chip, Jinan petrochemical industry limited company of China Petrochemical Industry produces, trade mark Z30S-2, melt index: 25
Masterbatch: Tangshan Feng Cai Masterbatch factory, the trade mark: G244 addition: 2.2%.
Spinning oil: German Si Mahuaxue, model C P120.
Chitin preparation: China Tech limited company, model: HY02
The production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament is as follows:
Chitin preparation is mixed by 0.1:1 with spinning oil, standby after 1 hour to entering in solution agitator stirring at low speed;
To adding quality in polypropylene chip, it is the Masterbatch of polypropylene chip quality 2.2% to send into screw extruder melting mixed, its melt directly enters spinning manifold after extruder is extruded, wherein, each district temperature control for (℃): screw rod: 225,225,230,235,235,238,238, filter: 238, condition of spinning manifold temperature: 235.
Spray silk: measuring pump rotating speed: 28.5 revs/min;
Cooling: lateral blowing temperature: 18 ℃, speed: 0.8 meter per second;
Oil: deployed solution is surperficial at as-spun fibre by finishing oil pump metered injection, and emitted dose is 1% of as-spun fibre quality, pre-network, air pressure 0.5 bar
Drawing-off: the first drawing roller: 648 ms/min of speed, the second drawing roller: 688 ms/min of speed, temperature: 90 ℃, dominant draft roller: 2420 ms/min of speed, temperature: 126 ℃;
BCF bulking: 175 ℃ of pressure 7.5bar, temperature;
Cooling and shaping, output, entanglement network, coiling: 42 revs/min of drum cooler speed, the first outlet roller: 2230 ms/min of speed, the second outlet roller: 2255 ms/min of speed; Entanglement network pressure 6.6bar, 2215 ms/min of winding speeds, 345 seconds coiling time.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF filament linear-density 2820 dtexs/144F, hot rolling curvature 26.5%, fracture strength 2.3cN/dtex, elongation at break 43.1%, boiling water shrinkage 2.3%, 25/meter of nexus.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament adopts the two rod gripper rug weaving frames of VDW ADR92 Wilden to weave carpet, weft density: 320 through * 470 latitudes; Weaving method is: by end warp and weft yarn one latitude one circulation, interweave, wherein end warp: the full Polyester Yarns of yarn specification 20S/5, the rear axle full Polyester Yarns of yarn specification 20S/4 for front axle; Weft yarn: 5.2S/2 jute; Suede warp: by above-mentioned chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF yarn, 10.5 millimeters of pile height.The carpet of making is tested bacteriostasis rate through U.S. ATCC TEST METHOD 174-1998 antibacterial and mouldproof test standard: staphylococcus aureus 79.1%; Pneumobacillus 83.3%.Mildew-resistant progression: 3 grades of aspergillus nigers, result is as shown in table 2.
Table 2
| Project | Test strain | Standard | Bacteriostasis rate | Mildew-resistant progression |
| 1 | Staphylococcus aureus | ATCC6538 | 79.1% | - |
| 2 | Pneumobacillus | ATCC4352 | 83.3% | - |
| 3 | Melanomyces | ATCC6275 | - | 3 grades |
Bacteriostasis rate, pneumobacillus and melanomyces are all not up to standard after testing for the carpet being made into the chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament that this comparative example method is produced.
Comparative example 2:
Raw material: polypropylene chip, Jinan petrochemical industry limited company of China Petrochemical Industry produces, trade mark Z30S-2, melt index: 25
Masterbatch: Tangshan Feng Cai Masterbatch factory, the trade mark: R263 addition: 2.8%.
Spinning oil: German Si Mahuaxue, model C P120.
Chitin preparation: China Tech limited company, model: HY02
The production method of chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament is as follows:
Chitin preparation is mixed by 2:1 with spinning oil, standby after 1 hour to entering in solution agitator stirring at low speed;
To adding quality in polypropylene chip, it is the Masterbatch of polypropylene chip quality 2.8% to send into screw extruder melting mixed, its melt directly enters spinning manifold after extruder is extruded, wherein, each district temperature control for (℃): screw rod: 225,225,230,235,235,238,238, filter: 238, condition of spinning manifold temperature: 235.
Spray silk: measuring pump rotating speed: 27.1 revs/min;
Cooling: lateral blowing temperature: 18 ℃, speed: 0.7 meter per second;
Oil: deployed solution is surperficial at as-spun fibre by finishing oil pump metered injection, and emitted dose is 1% of as-spun fibre quality;
Pre-network, air pressure 0.55 bar
Drawing-off: the first drawing roller: 645 ms/min of speed, the second drawing roller: 674 ms/min of speed, temperature: 90 ℃, dominant draft roller: 2350 ms/min of speed, temperature: 122 ℃;
BCF bulking: 185 ℃ of pressure 7.5bar, temperature;
Cooling and shaping, output, entanglement network, coiling: 34 revs/min of drum cooler speed, the first outlet roller: 2230 ms/min of speed, the second outlet roller: 2252 ms/min of speed; Entanglement network pressure 6.2bar, 2205 ms/min of winding speeds, 420 seconds coiling time.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF filament linear-density 2750 dtexs/144F, hot rolling curvature 22.5%, fracture strength 2.1cN/dtex, elongation at break 53.4%, boiling water shrinkage 2.1%, 21/meter of nexus.
Gained chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament adopts the two rod gripper rug weaving frames of VDW ADR92 Wilden to weave carpet, weft density: 320 through * 470 latitudes; Weaving method is: by end warp and weft yarn one latitude one circulation, interweave, wherein end warp: the full Polyester Yarns of yarn specification 20S/5, the rear axle full Polyester Yarns of yarn specification 20S/4 for front axle; Weft yarn: 5.2S/2 jute; Suede warp: by above-mentioned chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF yarn, 10.5 millimeters of pile height.The carpet of making is tested bacteriostasis rate through U.S. ATCC TEST METHOD 174-1998 antibacterial and mouldproof test standard: staphylococcus aureus 99.8%; Pneumobacillus 99.9%.Mildew-resistant progression: 1 grade of aspergillus niger, result is as shown in table 2.
Table 2
| Project | Test strain | Standard | Bacteriostasis rate | Mildew-resistant progression |
| 1 | Staphylococcus aureus | ATCC6538 | 99.8% | - |
| 2 | Pneumobacillus | ATCC4352 | 99.9% | - |
| 3 | Melanomyces | ATCC6275 | - | 1 grade |
The carpet being made into the chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament that this comparative example method is produced after testing bacteriostasis rate, pneumobacillus and melanomyces all meets the demands, but in production process, end breakage rate is higher, and yarn physical index reaches and is difficult to reach preferable states.
Claims (9)
1. the production method of a chitin antibacterial mildew-resistant METHOD FOR POLYPROPYLENE BCF long filament, it is characterized in that polypropylene chip through screw rod carry out melt-out spinning and cooling after, the mixed solution of chitin preparation and spinning oil is sprayed on as-spun fibre surface, emitted dose is 0.9～1.3% of as-spun fibre quality, then under air pressure 0.4～0.6 bar, carry out pre-network, carry out again drawing-off, bulking, cooling and shaping, entanglement network and coiling, preparation METHOD FOR POLYPROPYLENE BCF long filament; In wherein said mixed solution, the mass ratio of chitin preparation and spinning oil is 0.25～0.40:1.
2. method according to claim 1, is characterized in that in described mixed solution, the mass ratio of chitin preparation and spinning oil is 0.3:1.
3. method according to claim 1, is characterized in that to the emitted dose in the mixed solution process of as-spun fibre jet surface chitin preparation and spinning oil be 1% of as-spun fibre quality, and air pressure during pre-network is 0.5 bar.
4. method according to claim 1, is characterized in that, in the mixed solution process of as-spun fibre jet surface chitin preparation and spinning oil, the emitted dose of the mixed solution of chitin preparation and spinning oil is 1% of as-spun fibre quality.
5. according to the method described in any one in claim 1～4, it is characterized in that described chitin preparation is shitosan.
6. method according to claim 5, the mean molecule quantity that it is characterized in that described shitosan is 30～400,000, viscosity is 0.7～0.9pa.s.
7. method according to claim 1, is characterized in that comprising the steps:
(1) preliminary treatment: by chitin preparation and spinning oil in mass ratio the ratio of 0.25～0.40:1 mix, obtain allocating solution;
(2) polypropylene chip carries out melt-out spinning through screw rod;
(3) cooling;
(4) allotment solution pre-treatment step being obtained is by finishing oil pump metered injection on as-spun fibre surface, and emitted dose is controlled at as 0.9～1.3% of as-spun fibre quality;
(5) pre-network, air pressure 0.4～0.6 bar;
(6) drawing-off;
(7) bulking;
(8) cooling and shaping, output, entanglement network and coiling.
8. method according to claim 7, is characterized in that in described allotment solution, the mass ratio of chitin preparation and spinning oil is 0.25～0.4:1.
9. method according to claim 7, is characterized in that to the emitted dose in as-spun fibre jet surface chitin preparation and spinning oil mixed solution process be 1% of as-spun fibre quality, and air pressure during pre-network is 0.5 bar.
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| ITMI20111901A1 (en) | 2011-10-19 | 2013-04-20 | Alfonso Saibene | PROCEDURE FOR THE SUBMISSION OF FITNESS TO THE WEAVING OF A THIN AND / OR THIN ORDER |
| ITMI20130649A1 (en) * | 2013-04-19 | 2014-10-20 | Elisabetta Canepa | PROCEDURE FOR THE PRODUCTION OF A YARN WITH CHARACTERISTICS OF FITNESS |
| JP6504471B2 (en) * | 2013-04-18 | 2019-04-24 | カネパ，エリザベッタ | Method of producing yarn having compatibility with weaving function |
| CN103866417B (en) * | 2014-04-01 | 2017-04-12 | 济宁天裕化纤机械有限公司 | Leisure grass filament with reinforcing rib and preparation method of leisure grass filament |
| CN104562649A (en) * | 2015-01-26 | 2015-04-29 | 江苏文凤化纤集团有限公司 | Multifunctional finishing additive |
| CN106702520A (en) * | 2015-08-06 | 2017-05-24 | 江苏开利地毯股份有限公司 | Method for producing water-repellent anti-fouling type polypropylene BCF filament |
| CN105155013A (en) * | 2015-10-16 | 2015-12-16 | 安徽金生丽水新材料有限公司 | Polypropylene fiber molecule assembled anti-bacterial technological process |
| CN105908287A (en) * | 2016-06-21 | 2016-08-31 | 金利芬 | Method for preparing novel efficient antibacterial fiber |
| CN109629029A (en) * | 2018-12-21 | 2019-04-16 | 张家港市科达化纤有限公司 | A kind of production method of water repellent anti-pollution type METHOD FOR POLYPROPYLENE BCF long filament |
| CN110523271B (en) * | 2019-09-09 | 2022-04-12 | 厦门当盛新材料有限公司 | Building interior material and preparation method thereof |
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