CN1068603A - The manufacture method of thin dawn and superfine denier polypropylene fibers - Google Patents
The manufacture method of thin dawn and superfine denier polypropylene fibers Download PDFInfo
- Publication number
- CN1068603A CN1068603A CN 91104649 CN91104649A CN1068603A CN 1068603 A CN1068603 A CN 1068603A CN 91104649 CN91104649 CN 91104649 CN 91104649 A CN91104649 A CN 91104649A CN 1068603 A CN1068603 A CN 1068603A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- spinning
- dawn
- resin
- molecular weight
- 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.)
- Granted
Links
Landscapes
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to thin dawn and superfine denier polypropylene fibers and manufacturing technique thereof.Adopt multiple measure to stablize spinning technique, as spinning temperature is controlled between 200-280 ℃, select the high-flowability polypropylene of good thermal stability for use and with the wire winding speed spinning below 2000 meters/minute, and with the undrawn yarn high drafting, can be made into filament number was 0.2-2 dawn, tensile strength was 4-8 gram/dawn, and elongation at break is 15-70% thin dawn and superfine denier polypropylene fibers.The acrylic resin of spinning fine denier filament is the chemical degradation resin of narrow molecular weight distribution (Q＜1.3) both, also the polypropylene resin composite of molecular weight distribution quite wide (molecular weight distributing index is 1.3-4.0).
Description
The present invention is the manufacture method that belongs to polypropylene fibre.
The invention relates to the manufacturing technology of fine denier polypropylene fibers and superfine denier polypropylene fibers.
Usually, filament number is that chemical fibre about 1 dawn is fine count fiber and filament number is a chemical fibre about 0.5 dawn is called superfine Denier fibre.This fibrid can be made into high-grade textiles soft, comfortable and easy to wear, and very high economic worth is arranged.Thereby the exploitation of fine count fiber and superfine Denier fibre manufacturing technology is the new and high technology all paid attention to of each state in recent years.
The diameter of fine count fiber and superfine Denier fibre is much thinner than conventional chemical fiber (filament number is generally 3-6 about the dawn), the technical difficulty of making this class chemical fibre is quite big-need select appropriate spinning material and auxiliary agent for use, also need technical scheme and every production processes such as strict control spinning, drawing-off of choose reasonable spinning.In recent years, the fine count fiber manufacturing technology of the big kinds of chemical fibre such as polyester fiber and polyamide fiber has been succeeded in developing, and existing many trade names fine-denier polyesters in various countries and thin denier polyamide fiber are sold.Among the manufacturing technology of fine denier polypropylene fibers is also being developed successively.From disclosed patent report in the last few years as can be seen, the technology path of various countries' exploitation fine-denier polypropylene and the specification of product have nothing in common with each other, and its common characteristic is all to adopt the PP Pipe Compound of the quite high acrylic resin of melt flow index as spinning.Some patents claim that the resin dedicated melt flow index of spinning fine denier filament needs to measure according to ASTM D-1238 method up to 300-500(, 230 ℃, 2.16kg).Some patents are said and can be spun into fine count fiber with quite high spinning speed by the chemical degradation of polypropylene resin that this class specification is special, other patents say that then the acrylic resin that melt flow index is very high can be spun into the thinner nonwoven fabric of fibre diameter (rib field etc., JK, 1984,59-94610; Qian Ze etc., JK, 1985,60-17111; Ikeda etc., JK, 1988,63-6107; Shinji storehouse etc., JK, 1988,63-256714).It seems from the trend of the external new trade mark of releasing in recent years of fiber-grade pp resin and some above-mentioned patent reports, many people think, make thin dawn and superfine denier polypropylene fibers and require its material resin that good fluidity of molten, lower molecular weight and narrow molecular weight distribution (Mw/Mn＜4) are arranged.In addition, also also have indivedual patents to say, the polypropylene of different molecular weight is mixed by a certain percentage can be used for making polypropylene fibre (R.L.Hudson, 1981, USP 4,296,022).The technology of in these patent reports, making good thin dawn of mechanical property and superfine denier polypropylene fibers with conventional melt spinning and draft apparatus and come spinning effect preferably still to lack about acrylic resin and report with which kind of specification about how.Therefore, the manufacturing technology of thin dawn and superfine denier polypropylene fibers needs further exploitation.
The objective of the invention is to develop the fine-denier polypropylene fiber and the spinning new technology of superfine Denier fibre and the thin dawn and the superfine denier polypropylene fibers of good mechanical performance that are applicable to the existing general apparatus for melt spinning of China.A large amount of spinning result of experiment show, many commodity acrylic resins or because of its impurity content more, fluidity of molten is poor, or, all can not satisfy " stably spin thin dawn undrawn yarn and successfully its drawing-off is become the finished fiber of good mechanical performance " these two basic demands because of the problem of aspects such as its molecular weight, molecular weight distribution, isotacticity.In general, spin the fine-denier polypropylene fiber with the isotactic polypropylene resin of polymer grade, its spinnability is relatively poor.Even (Mw/Mn is about about 4-4.5) that the molecular weight distribution that makes with the carrier model effective catalyst is rather narrow, (about the 16-17 ten thousand) that molecular weight is less, the also goodish fibre resin of fluidity of molten comes spinning, also be difficult to successfully be spun into the high-quality fine denier polypropylene fibers, because if this resinoid spinning temperature is controlled at polypropylene to be taken place below the temperature of degraded (spinning temperature need be controlled at below 270-280 ℃), then spun undrawn yarn is difficult to drawing-off, can't make the fine count fiber of good mechanical performance, if and spinning temperature is elevated to more than 270-280 ℃, then polypropylene degraded rapidly in spinning process, the uniformity of restive fine denier polypropylene fibers spinning process and long-time stability.
Nearly decades, obtained remarkable progress though the macromolecule of various trait is carried out blending and modifying with the research of making various macromolecule new materials, same a kind of macromolecule of different size has been carried out blending and modifying and develop the way of macromolecule new material and as if also do not cause enough attention.The polypropylene of different size is carried out spinning properties and serviceability that can blend improve polypropylene fibre unified understanding is not arranged so far yet.
We recognize in the manufacturing technology process of exploitation fine-denier polypropylene and superfine Denier fibre, spin fine count fiber or superfine Denier fibre with the polymer grade polypropylene resin of various catalyst manufacturing, and its spinnability all can not be satisfactory.Though the polymer grade polypropylene of conventional catalyst manufacturing is carried out that modification is handled and the high-flowability polypropylene resin made can improve the spinnability of its spinning fine denier filament with the control chemical degradation method, but effect still not ideal enough (it may be noted that many now discloseder use this class acrylic resin often as spinning material) about fine denier polypropylene The Study of Manufacturing Technology report.By a large amount of contrast experiments, we find, the polymer grade polypropylene resin made from the carrier model effective catalyst is handled through the chemical degradation modification, and the resin that the melt flow index of making is higher and molecular weight distribution is narrower has preferably spinning properties than preceding two kinds of acrylic resins, and (MI of this resin is about 40, and molecular weight distributing index Q is 1.1-1.5, the Q value is pressed the method for suggestions such as Zhao Delu and is measured, the macromolecule communication, (3), 234,1983).And the spinning properties of the quite wide polypropylene resin composite of molecular weight that polymer grade polypropylene and chemical degradation polypropylene are mixed with and molecular weight distribution excursion also is good.On the basis of a large amount of spinning contrast tests, we have invented the stable spinning new technology that is suitable for making thin dawn and superfine denier polypropylene fibers.
Basic design of the present invention and major technique are constructed as follows:
The objective of the invention is provides a kind of spinning effect good stable spinning new technology at the technical difficulty in fine-denier polypropylene fiber and the superfine Denier fibre manufacturing, and the thin dawn and the superfine denier polypropylene fibers goods that make in this way.It is characterized in that managing to reduce the fluctuation of various technological parameters in the spinning process, suppress the destabilizing factor in the polypropylene fibre manufacture process as much as possible, make the super drawing process of spinning melt and thin dawn undrawn yarn be able to continuously carry out smoothly.For suppress polypropylene in spinning process degraded and cause the inhomogeneities of melt viscosity and acrylic resin can fully be melted when the spinning evenly, polyacrylic melt temperature should be controlled at below 280 ℃ and more than 200 ℃, be preferably between 260 ℃ and 220 ℃ during spinning.Selected acrylic resin should have good heat endurance, promptly need to add the stabilizing agent of q.s and do not contain degradation of promoter in acrylic resin, the inhibition melt polypropylene produces too much thermal degradation in spinning process and chemical degradation causes spinning process to be difficult to stable carrying out.Selected acrylic resin also should have goodish fluidity of molten and tensility, and its melt flow index should be controlled between the 12-100.The acrylic resin of this high fluidity can be the chemical degradation of polypropylene resin of narrow molecular weight distribution, the scope of its molecular weight distributing index Q value is 1.2-1.8, but should select for use quality evenly and the few polymer grade polypropylene of solid impurity as the raw material of chemical degradation modification.The acrylic resin PP Pipe Compound of promptly spinning fine count fiber needs with the chemical degradation agent polymer grade polypropylene of carrier model effective catalyst manufacturing to be carried out control degradation and makes.But, also can be good and the spinning PP Pipe Compound of fine count fiber and superfine Denier fibre is spun in polypropylene resin composite (control range of melt flow index is between 12-100, and the control range of molecular weight distributing index Q value is between 1.3-4.0) conduct that molecular weight distribution is quite wide with fluidity of molten.It is painted that polypropylene fibre adopts the original liquid coloring method to carry out usually, and used colouring agent normally mixes acrylic resin with the form of Masterbatch and carries out spinning during spinning.When making fine-denier polypropylene fiber and superfine fibre, also can do like this, but preferably select the Masterbatch that is suitable for, it and acrylic resin be mixed even, and carry out mixing granulation, make uniform coloured section.Can reduce the aberration of fine-denier polypropylene fiber and superfine fibre and improve its spinning, drawing-off performance with coloured slice spinning.
The present invention is the stable spinning technique that is applicable to general apparatus for melt spinning.The scope of selected wire winding speed be 300-1500 rice/minute, the hot drawing temperature scope of undrawn yarn is 50-160 ℃.The hot drawing-off of undrawn yarn needs according to the condition of the selected raw material of spinning, spinning and the requirement of finished fiber is decided, and drafting multiple generally can be controlled between 2.5-6 times, is preferably about 3-4 times.
Can be spun into the undrawn yarn that filament number is the 7-0.9 dawn with method of the present invention, can be made into the finished fiber that filament number is the 2-0.2 dawn through hot drawing-off.The tensile strength of finished fiber is the 4-8 gram/dawn, and elongation at break is 15-70%.
The present invention intends briefly explaining advantage of the present invention and characteristics by some following embodiment and Comparative Examples.But should be noted that and to think that the present invention only limits to the content of embodiment.
Embodiment 1
Select the polypropylene resin composite (MI=26 of following prescription (seeing Table 1) for use, Q=2.0) melt spinning, spinning temperature need make resin fully melt evenly (being controlled at 260 ℃), is wound into silk for 400 meters/minute with wire winding speed, spin the filament number of undrawn yarn be respectively 3.6 dawn and 1.7 dawn.With hot drawing-off with they respectively drawing-off become the finished fiber that filament number is 1.1 dawn and 0.56 dawn.The tensile strength of finished fiber is respectively 5.3 gram/dawn and 5.7 gram/dawn, and elongation at break is 70% and 25%.And under identical (or similar) spinning, draw conditions, the polymer grade polypropylene resin made from the carrier model effective catalyst (is commonly referred to fiber-grade pp resin, MI=12.8 gram/the dawn, Q=1.43, Mw/Mn ≈ 4-4.5) though can be wound into silk, but drawing-off smoothly can't be made the finished fiber of good mechanical properties.
The prescription of table 1 polypropylene resin composite
The carrier model efficient catalytic
Polymer grade polypropylene (MI=12.8, Q=1.43) 50 parts
Chemical degradation modified polypropene (MI=43, Q=1.27) 50 parts
0.1 part of calcium stearate
2,0.2 part of 6-di-tert-butyl-4-methy phenol (BHT)
1,010 0.2 parts of Irganox
(four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester)
0.2 part of HALS Tin 944 (Ciba-Geigy)
Embodiment 2
Select for use the polypropylene resin composite of following three kinds of prescriptions (prescription sees Table 2-1) to carry out melt spinning, spinning temperature is 260 ℃, and wire winding speed is 400 meters/minute.These three kinds of acrylic resins all can successfully be spun into the undrawn yarn that filament number was about for 1.7 dawn, and all drawing-off successfully becomes the finished fiber at filament number＜0.6 dawn.The maximum drafting multiple of these undrawn yarns and the mechanical property of finished fiber are listed in table 2-2.
The prescription * of table 2-1 polypropylene resin composite
Numbering carrier model efficient catalytic polymer grade polypropylene chemical degradation modified polypropene
(MI=12.8,Q=1.43) (MI=43,Q=1.27)
90 parts 10 parts of 2-1
80 parts 20 parts of 2-2
70 parts 30 parts of 2-3
* other processing aids that added in this serial polypropylene resin composite are identical with the prescription of embodiment 1.
The character of table 2-2 polypropylene undrawn yarn and finished silk
The character of the finished fiber of polypropylene tree undrawn yarn
Fat numbering high draft multiple
Filament number tensile strength elongation at break
(dawn) (gram/dawn) (%)
2-1 4.5 0.54 5.9 50
2-2 4.5 0.60 5.9 30
2-3 4.4 0.55 5.2 20
Embodiment 3
Selecting the polypropylene resin composite of being made by the chemical degradation polypropylene of full-bodied polymer grade polypropylene (MI=1.4) and high fluidity for use is spinning PP Pipe Compound (prescription of these a series of polypropene compositions sees Table 3-1), carry out spinning at 230-260 ℃ spinning temperature respectively, be wound into silk with 400 meters/minute wire winding speeds.Spun undrawn yarn successfully drawing-off becomes fine denier filament, and the specification of the finished silk that makes is listed in table 3-2.The spinning contrast and experiment shows that the spinnability of polymer grade polypropylene resin obviously is lower than the selected polypropylene resin composite of the present invention.For example, be melt flow index that the spinning temperature of 1.4 polymer grade resin is elevated to 280 ℃ gradually by 230 ℃, all spinning smoothly; And aforesaid efficient catalytic polymer grade polypropylene resin (fibre resin) is though molecular weight distribution narrower (Q=1.43), can be wound into silk, but be difficult to drawing-off, its mechanical property do not reach far away the present invention with molecular weight distribution quite wide (Q=2.8) quality index of the fine count fiber that the polypropylene resin composite (seeing Table 3-1 and 3-2) of melt flow index similar with it (MI=12) is spun into.
The prescription * of table 3-1 polypropylene resin composite
Polypropylene polymer grade dimerization degradation modification polypropylene resin composite
Resin propylene component polypropylene component
Numbering (MI=1.4, Q=1.3) (MI=43, Q=1.27) MI Q
2 parts 98 parts 45 1.3 of 3-1
5 parts 95 parts 35 1.4 of 3-2
10 parts 90 parts 30 1.45 of 3-3
50 parts 50 parts 12 2.8 of 3-4
* other auxiliary agents that added in this serial polypropylene resin composite are identical with the prescription of embodiment 1.
The character of table 3-2 polypropylene undrawn yarn and finished silk
The character of polypropylene tree spinning warm rolling wrapping wire finished fiber
Fat numbering degree (℃) fiber number
(dawn) filament number tensile strength elongation at break
(dawn) (gram/dawn) (%)
3-1 235 2.4 0.67 5.4 15
3-2 255 1.7 0.43 7.8 21
3-3 235 2.5 - - -
3-4 260 2.4 0.82 5.6 75
3-4 260 1.7 0.53 5.7 80
Embodiment 4
Selecting the polymer grade polypropylene by the manufacturing of carrier model effective catalyst for use is raw material, handle the acrylic resin (MI=43 that makes high fluidity through the organic peroxide control degradation, Q=1.27, auxiliary agents such as the stabilizing agent of interpolation q.s, flow improving agent in this resin).The high-flowability polypropylene resin of this chemical modification is used for spinning, and spinning temperature is 235 ℃, and wire winding speed is 400 meters/minute, is spun into the undrawn yarn that filament number was 1.8 dawn, makes the fine count fiber that filament number was 0.53 dawn through overheated drawing-off again.The tensile strength of this finished silk was 8.0 gram/dawn, and extension at break is 25%.
Embodiment 5
Selecting 3-2 polypropylene resin composite used in the embodiment of the invention 3 for use is the spinning material, 230 ℃ of spinning, wire winding speed is respectively 500,600,800 and 1000 meters/minute, be wound into filament number and be respectively the undrawn yarn at 4.5,4.2,2.8 and 2.2 dawn, these thin dawn undrawn yarns all have good drawing-off performance, and its maximum drafting ratio is respectively 6.4,5.7,5.3 and 4.8 times.
Embodiment 6
In order to make the fine-denier polypropylene fiber of original liquid coloring, selecting 3-2 polypropylene resin composite used in the embodiment of the invention 3 for use is the spinning material resin.With per 100 parts of resins respectively with each 2 parts of mixing granulation of yellow masterbatch, red masterbatch and blue Masterbatch, make the polypropylene color section.These coloured sections can both be spun into the undrawn yarn that filament number is the 2.1-6.9 dawn with 245 ℃ spinning temperature and 400 meters/minute wire winding speed.But these undrawn yarns all have good drawdown.Its maximum drafting multiple is respectively 4.4-6.5 doubly (seeing table 4 for details)
Table 4
Acrylic resin undrawn yarn filament number maximum drafting multiple
(dawn)
Yellow acrylic resin 6.9 6.1
Composition 4.3 5.6
3.2 5.1
2.1 4.9
Red polypropylene resin 6.9 6.1
Composition 3.5 5.0
2.1 4.4
Blue look acrylic resin 6.9 6.5
Composition 2.1 4.7
Claims (5)
1, the manufacture method of a kind of thin dawn and superfine denier polypropylene fibers, it is characterized in that adopting and stablize spinning technique to make filament number be the polypropylene fibre at 0.2-2 dawn, it is thin dawn undrawn yarn below 7 dawn that this spinning technique can become filament number with the melt polypropylene high drafting with common melt-spun equipment, use hot drafting method thin dawn undrawn yarn high drafting (drawing-off 2.5-6 doubly) to be become the finished fiber of good mechanical properties then, for this reason, need suppress the various destabilizing factors in the polypropylene fibre manufacture process as far as possible, polyacrylic melt temperature is controlled between 200-280 ℃ when comprising spinning, wire winding speed be controlled to be 300-1500 rice/minute, hot drawing temperature is 50-160 ℃.
2, the manufacture method of thin dawn as claimed in claim 1 and superfine denier polypropylene fibers, it is characterized in that adopting melt flow index is that the high-flowability polypropylene resin of 12-100 is the spinning PP Pipe Compound, the acrylic resin of this high fluidity is melt flow index higher (MI is about 30-50) not only, and its molecular weight distribution quite wide (scope of molecular weight distributing index Q value is 1.3-4.0), this spinning PP Pipe Compound is the chemical degradation polypropylene with high fluidity, polymer grade polypropylene and processing aid are (as stabilizing agent, flow improving agent, antistatic additive etc.) combine.
3, the manufacture method of thin dawn as claimed in claim 1 and superfine denier polypropylene fibers, it is characterized in that adopting the chemical degradation of polypropylene resin composition of high fluidity is the spinning PP Pipe Compound, the acrylic resin of this high fluidity is to be raw material with the efficient catalytic polymer grade polypropylene resin, with a certain amount of organic peroxide it is carried out chemical degradation, and in this chemical degradation resin, add processing aid (stabilizing agent, flow improving agent, antistatic additive etc.) polypropylene resin composite of making, its melt flow index is that 30-100(is preferably 30-50), molecular weight distributing index Q value is 1.1-1.5.
4, the manufacture method of thin dawn as claimed in claim 1 and superfine denier polypropylene fibers, it is characterized in that adopting the polypropylene original liquid coloring section that is mixed with colouring agent to be spinning material, this color polypropylene resin normally forms with the acrylic resin mixing granulation described in polypropylene Masterbatch and claim 2 and the claim 3, and it can reduce the aberration of fine-denier polypropylene fiber and superfine Denier fibre and improve polyacrylic spinning, drawing-off performance.
5, a kind of fine-denier polypropylene and superfine Denier fibre, it is with being raw material as claim 2, claim 3 and the described acrylic resin of claim 4, adopt stable spinning technique manufacturing as claimed in claim 1 to form, the filament number of this polypropylene fibre is the 0.2-2 dawn, tensile strength is the 4-8 gram/dawn, elongation at break is 15-70%, and the melt flow index of this polypropylene fibre is 12-100, and molecular weight distributing index is 1.1-4.0.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104649 CN1027982C (en) | 1991-07-13 | 1991-07-13 | Preparing process of fine denier and ultra-fine denier polypropylene fibre P |
| GB929214837A GB9214837D0 (en) | 1991-07-13 | 1992-07-13 | Process for producing polyprophylene fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104649 CN1027982C (en) | 1991-07-13 | 1991-07-13 | Preparing process of fine denier and ultra-fine denier polypropylene fibre P |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1068603A true CN1068603A (en) | 1993-02-03 |
| CN1027982C CN1027982C (en) | 1995-03-22 |
Family
ID=4906729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91104649 Expired - Fee Related CN1027982C (en) | 1991-07-13 | 1991-07-13 | Preparing process of fine denier and ultra-fine denier polypropylene fibre P |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1027982C (en) |
| GB (1) | GB9214837D0 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068075C (en) * | 1998-08-31 | 2001-07-04 | 中国科学院化学研究所 | Low-temp spinning technique for polypropylene fibre |
| CN1068640C (en) * | 1997-09-24 | 2001-07-18 | 山东虎山实业集团有限公司 | Process for producing fine denier polypropylene fiber short-staple |
| CN1076032C (en) * | 1995-11-24 | 2001-12-12 | 中国科学院化学研究所 | Fine denier and super-fine denier polypropylene alloy fibre and its prodn. method |
| CN1089380C (en) * | 1998-05-22 | 2002-08-21 | 孙世杰 | Fully drafting spinning process with high speed and low cost and its equipment |
| CN1116241C (en) * | 2000-04-26 | 2003-07-30 | 中国纺织大学化纤科技开发部 | Modified polypropene staple for concrete and mortar |
| CN1123595C (en) * | 1998-08-31 | 2003-10-08 | 中国科学院化学研究所 | High-flowability polypropylene resin composition and its preparing process and usage |
| CN100355952C (en) * | 2001-04-24 | 2007-12-19 | 罗狄亚工业纱线股份公司 | Method for producing fine monofilaments consisting of polypropylene, fine monofilaments consisting of polypropylene and the use thereof |
| CN101812736A (en) * | 2010-03-16 | 2010-08-25 | 江苏丝丝缘纤维有限公司 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
| CN101058901B (en) * | 2006-04-07 | 2011-01-12 | 北京同道和诚科技发展有限公司 | Nano pearl polypropylene superfine Denier fibre and preparation method thereof |
| CN102071488A (en) * | 2010-12-17 | 2011-05-25 | 北京中纺优丝特种纤维科技有限公司 | Sheath-core antibacterial colored polypropylene fiber and preparation method thereof |
| CN105200608A (en) * | 2015-06-29 | 2015-12-30 | 威尔克工业纺织（嘉兴）有限公司 | Waterproof breathable ultraviolet-resistant polypropylene fiber yarn-dyed fabric |
| CN110872417A (en) * | 2018-08-29 | 2020-03-10 | 国家能源投资集团有限责任公司 | Spinning master batch, polypropylene fiber and preparation method thereof, and polypropylene fiber product |
-
1991
- 1991-07-13 CN CN 91104649 patent/CN1027982C/en not_active Expired - Fee Related
-
1992
- 1992-07-13 GB GB929214837A patent/GB9214837D0/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076032C (en) * | 1995-11-24 | 2001-12-12 | 中国科学院化学研究所 | Fine denier and super-fine denier polypropylene alloy fibre and its prodn. method |
| CN1068640C (en) * | 1997-09-24 | 2001-07-18 | 山东虎山实业集团有限公司 | Process for producing fine denier polypropylene fiber short-staple |
| CN1089380C (en) * | 1998-05-22 | 2002-08-21 | 孙世杰 | Fully drafting spinning process with high speed and low cost and its equipment |
| CN1068075C (en) * | 1998-08-31 | 2001-07-04 | 中国科学院化学研究所 | Low-temp spinning technique for polypropylene fibre |
| CN1123595C (en) * | 1998-08-31 | 2003-10-08 | 中国科学院化学研究所 | High-flowability polypropylene resin composition and its preparing process and usage |
| CN1116241C (en) * | 2000-04-26 | 2003-07-30 | 中国纺织大学化纤科技开发部 | Modified polypropene staple for concrete and mortar |
| CN100355952C (en) * | 2001-04-24 | 2007-12-19 | 罗狄亚工业纱线股份公司 | Method for producing fine monofilaments consisting of polypropylene, fine monofilaments consisting of polypropylene and the use thereof |
| CN101058901B (en) * | 2006-04-07 | 2011-01-12 | 北京同道和诚科技发展有限公司 | Nano pearl polypropylene superfine Denier fibre and preparation method thereof |
| CN101812736A (en) * | 2010-03-16 | 2010-08-25 | 江苏丝丝缘纤维有限公司 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
| CN102071488A (en) * | 2010-12-17 | 2011-05-25 | 北京中纺优丝特种纤维科技有限公司 | Sheath-core antibacterial colored polypropylene fiber and preparation method thereof |
| CN105200608A (en) * | 2015-06-29 | 2015-12-30 | 威尔克工业纺织（嘉兴）有限公司 | Waterproof breathable ultraviolet-resistant polypropylene fiber yarn-dyed fabric |
| CN105200608B (en) * | 2015-06-29 | 2016-11-30 | 威尔克工业纺织（嘉兴）有限公司 | Waterproof and breathable uvioresistant polypropylene color-woven fabric |
| CN110872417A (en) * | 2018-08-29 | 2020-03-10 | 国家能源投资集团有限责任公司 | Spinning master batch, polypropylene fiber and preparation method thereof, and polypropylene fiber product |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9214837D0 (en) | 1992-08-26 |
| CN1027982C (en) | 1995-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1027982C (en) | Preparing process of fine denier and ultra-fine denier polypropylene fibre P | |
| CN1196820C (en) | Method for producing synthetic threads from a polymer blend based on polyester | |
| US6388013B1 (en) | Polyolefin fiber compositions | |
| CN1239764C (en) | Polytrimethylene terephthalate filament yarn and method of producing the same | |
| CN1085261C (en) | Abnormal contraction composite filament and its producing method | |
| CN101302666A (en) | Processing technology of melt-spun antibacterial spandex filament | |
| TW200407471A (en) | Poly (trimethylene terephthalate) bicomponent fibers | |
| CN101037810A (en) | Production technique of colorful terylene cotton embroidery thread | |
| CN102719926A (en) | Method for preparing fine denier dyeable polypropylene fiber by sheath-core compounding | |
| CN1381619A (en) | Antibacterial antistatic dyeable fine-denier polypropylkene filament | |
| CN1037183C (en) | Polypropylene resin combination and its preparing process | |
| KR100649850B1 (en) | Pttpolytrimethylene terephthalate staple fibres and method for producing the same | |
| CN1297700C (en) | Method for manufacturing polyester mixed fiber yarn | |
| CN1053714C (en) | Far infrared fiber with good spinning property and its manufacture | |
| CN1458988A (en) | Bulky polyester multifilament composite yarn and process for producing the same | |
| KR20180078960A (en) | Method for manufacturing high strength dyed-polyethylene terephthalate fiber and dyed fiber produced therefrom | |
| JPWO2019131460A1 (en) | Modified ethylene-vinyl alcohol copolymer fiber | |
| CN1236116C (en) | Method for producing synthetic threads from polymer mixtures | |
| CN1076032C (en) | Fine denier and super-fine denier polypropylene alloy fibre and its prodn. method | |
| CN1168856C (en) | HMLS polyester filaments and spin-draw process for the production thereof | |
| CN104233500B (en) | The preparation method of vortex spinning polyester staple fiber | |
| JPS6221817A (en) | Ultra-high speed spinning of polyester fiber | |
| CN1073595C (en) | Polypropylene resin composition, preparation method and uses thereof | |
| JP3556548B2 (en) | Polypropylene undrawn yarn and method for producing the same | |
| KR100580319B1 (en) | A polyester yarn, and a process of preparing for the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |