WO2006051708A1 - ポリプロピレン樹脂、繊維及び不織布 - Google Patents
ポリプロピレン樹脂、繊維及び不織布 Download PDFInfo
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- WO2006051708A1 WO2006051708A1 PCT/JP2005/019986 JP2005019986W WO2006051708A1 WO 2006051708 A1 WO2006051708 A1 WO 2006051708A1 JP 2005019986 W JP2005019986 W JP 2005019986W WO 2006051708 A1 WO2006051708 A1 WO 2006051708A1
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- WO
- WIPO (PCT)
- Prior art keywords
- polypropylene resin
- fraction
- mmmm
- mol
- polypropylene
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2924—Composite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
Definitions
- the present invention relates to a polypropylene resin. More specifically, in the fiber manufacturing process
- the present invention relates to a polypropylene resin having excellent high-speed spinnability that hardly causes yarn breakage and the like, and a fiber and a nonwoven fabric that have also produced this resin.
- Polypropylene resin is widely used in fiber applications because it is inexpensive and has relatively good mechanical properties and spinnability. Fiber products such as non-woven fabrics manufactured from polypropylene resin are required to have improved texture, low basis weight, filter characteristics, etc. For this purpose, further fiber thinning is required.
- the nozzle temperature may be increased and spinning at a high temperature.
- problems such as clogging of the nozzle shorten the life of the nozzle and increase smoke generation.
- the molecular weight is adjusted by promoting the decomposition of polypropylene with organic peroxides, thermal degradation, etc.
- polypropylene having a narrow molecular weight distribution for example, see Patent Document 1.
- discoloration due to peroxides and smoke generation during spinning are problems.
- Patent Document 1 JP-A-8-81593
- Patent Document 2 Japanese Patent Publication No. 8-510801
- Patent Document 3 Japanese Patent Laid-Open No. 10-183421
- Patent Document 4 JP 2000-136212 A
- Patent Document 5 Japanese Patent Laid-Open No. 11-189914
- the present invention has been made in view of the above-described problems, and enables high-speed spinning without changing the molecular weight of the resin affecting the mechanical properties, the spinning temperature and the discharge amount affecting the productivity.
- the object is to provide a polypropylene resin.
- the following polypropylene resin, a production method thereof, and a fiber and a nonwoven fabric comprising the same are provided.
- polypropylene resin according to any one of 1 to 4, wherein the polypropylene resin is obtained by melt-kneading a highly crystalline polypropylene resin and a low crystalline polypropylene resin.
- Racemic meso racemic meso pentad fraction [rmrm] is 2.5 mol% or more
- a fiber or non-woven fabric comprising the polypropylene resin according to any one of 1 to 6.
- the polypropylene resin of the present invention is capable of high-speed spinning without causing defects such as yarn breakage in the production of fibers, and can produce fine yarn fibers with high productivity.
- the polypropylene resin of the present invention is characterized by satisfying the following requirements (1) to (3)!
- the melt flowlay (HMFR) of the polypropylene resin of the present invention is 6 to 100 8 710! ⁇ 11. If the fluidity is poor and spinning is impossible and the lOOgZlOmin value is exceeded, the strength of the fiber 'nonwoven fabric will decrease.
- the MFR is preferably 8 to 70 gZlOmin, particularly preferably 10 to 40 gZl0min.
- the MFR is a value measured in accordance with JIS K 7210 under conditions of 230 ° C and a load of 21.18N.
- the molecular weight distribution is preferably 3.5 to 6, particularly preferably 4 to 5.5.
- the molecular weight distribution can be obtained by gel permeation mouth matography (GPC) method. Details will be described in Examples.
- W90, W116, and WO are components that dissolve without being adsorbed by the packing material at column temperatures of 90 ° C, 116 ° C, and 0 ° C in the elution curves determined by temperature-fractionated fractionation chromatography. Amount (%) is indicated.
- WO is a component that does not crystallize, and W90 is an index that represents the amount of a component having low crystallinity that suppresses crystallization of polypropylene.
- (100-W116)% is an index indicating the main crystallinity of polypropylene.
- the molten resin becomes solidified, and it becomes easy to stick to a solid and a molding machine.
- it is 55 to 70%.
- W90 is less than 10%, crystallization occurs rapidly, and yarn breakage occurs during high-speed spinning. The If it exceeds 30%, the molten resin does not solidify and cannot be spun. W90 is preferably
- the mesopentad fraction is preferably 85 to 94 mol%.
- mmmm is the meso fraction of the pentad unit in the polypropylene molecular chain measured by the signal of the methyl group of the 13 C-NMR ⁇ vector. A larger value means higher stereoregularity. .
- the mesopentad fraction is less than 85 mol%, the crystallinity is too low, and the melted resin is difficult to solidify, resulting in fusion between yarns, winding around a roll, etc., which may prevent spinning. Also
- mmmm is preferably 89 to 93 mol%.
- the boiling n-heptane soluble content is preferably 3 to 15 wt%. This value is an index indicating the number of components having low crystallinity, particularly low molecular weight. If the boiling n-heptane soluble content is less than 3 wt%, crystallization at the time of melting and solidification may occur rapidly, which may cause yarn breakage at high speed spinning. There is a possibility that spinning may not be possible due to stickiness and stickiness that are difficult to solidify. More preferably, the boiling n-heptane soluble content is 4-12 wt%.
- the soluble component amount (WO) at 0 ° C in temperature programmed fractionation chromatography (TREF) is preferably 3 to 6%. If it is less than 3%, crystallization at the time of melting and solidification may occur rapidly, which may cause yarn breakage in high-speed spinning.If it exceeds 6%, the molten resin will not solidify due to stickiness and stickiness. There is a risk of spinning. More preferably, the WO is 3.2 to 5.0%.
- the polypropylene resin of the present invention is prepared by adjusting a catalyst during polymerization and a polymerization method.
- the polypropylene resin of the present invention can also be produced by melt-kneading a plurality of polypropylene resins having different characteristics.
- a high crystalline polypropylene resin for example, a mesopentad fraction (mmmmm) of 95 mol% or more
- low crystallinity Polypropylene resin ((mmmm) is 60 mol% or less) may be melt-kneaded.
- the molecular weight distribution can be adjusted by kneading a mixture of resins having different MFRs.
- the method of melt kneading is not particularly limited. For example, it can be carried out by measuring a plurality of raw material resins, dispersing them with a blender, etc., and putting them in an extruder. For melt kneading by an extruder, it is preferable to sufficiently disperse each raw material resin, but care must be taken so as not to cause deterioration of the resin.
- the low crystalline polypropylene resin used may have [mmmm] of 60 mol% or less, and particularly preferably, the low crystalline polypropylene resin satisfies the following (a) to (d).
- Racemic meso racemic meso pentad fraction [rmrm] is 2.5 mol% or more
- the low crystalline polypropylene resin is preferably a propylene homopolymer.
- the mesopentad fraction [mmmm] of the low crystalline polypropylene resin is preferably 20 to 60 mol%. As the mesopentad fraction [mmmm] increases, the stereoregularity increases. If the mesopentad fraction [mmmm] is less than 20 mol%, stickiness may be caused. On the other hand, if it exceeds 60 mol%, the crystallinity increases and the high-speed spinnability may be reduced.
- [rrrr] Z [l-mmmm] of the low crystalline polypropylene resin is preferably 0.1 or less, more preferably 0.05 or less, and still more preferably 0.04 or less.
- [rrrr] Z [l-mmmm] is obtained from the above mesopentad unit fraction and is an index indicating the uniformity of the regularity distribution of the low crystalline polypropylene resin.
- the racemic meso-racemic meso fraction [rmrm] of the low crystalline polypropylene resin is preferably 2.5 mol% or more, more preferably 2.6 mol% or more, and even more preferably 2.7 mol% or more.
- the racemic meso racemic meso fraction [rmrm] is 2.5 mol% or more, the randomness of the polymer increases, and the high-speed spinnability and stretchability are further improved. 2. If it is less than 5 mol%, the high speed spinnability S may decrease.
- mm XrrZ (mr) 2 is preferably 2.0 or less, more preferably 1.8 or less, and even more preferably 1.5 or less.
- mm XrrZ (mr) 2 is an index of randomness of the polymer. The closer to 0.25, the higher the randomness and the higher the high-speed spinnability and stretchability.
- the above low crystalline polypropylene resin can be produced by adjusting the catalyst during polymerization and the polymerization method.
- Polypropylene resin may contain a copolymer of a comonomer other than propylene, as long as the object of the present invention is not impaired.
- the polypropylene rosin of the present invention includes antioxidants commonly used, fatty acid metal salts such as calcium stearate, hydrated talcites, weathering agents, ultraviolet absorbers, pigments, dyes and the like. It doesn't matter.
- the polypropylene resin of the present invention is excellent in high-speed spinnability. Specifically, it is preferable that the spinnability (A) represented by the following formula [1] is larger than 4500.
- polypropylene resin having a spinnability (A) greater than 4500 does not exist in the past and means that it has excellent high-speed spinnability.
- the spinnability (A) is particularly preferably 5000 or more.
- the spinning speed is the rotational speed at which spinning can be performed continuously for 4 minutes when the rotational speed of the high-speed take-up machine is increased in the melt spinning apparatus
- the single-hole discharge rate is the round speed of the melt spinning apparatus. This is the discharge amount per hole formed in the die nozzle, and the nozzle diameter means the hole diameter.
- the spinnability (A) may slightly vary depending on the spinning conditions. Details of the measurement conditions will be described in Examples.
- the fiber and the nonwoven fabric of the present invention can be obtained by molding the above-described polypropylene resin of the present invention.
- fibers formed by melting the resin and extruding from the pores into a thread shape, or composite fibers in which the resin of the present invention is exposed on all or part of the fiber surface, such as a core-sheath structure, a side-by-side structure can be mentioned.
- fibers having a thinner thread diameter can be obtained.
- the polypropylene resin of the present invention was produced by melt-kneading a plurality of polypropylene resins.
- MFR Melt flow rate
- Dissolution 60 ml of sample was charged with 10 ml of dichlorobenzene and stirred with an aluminum block heater with a magnetic stirrer set at 150 ° C for 60 minutes.
- Fractionation of analytical temperature Crystallization of the sample solution was performed under the following conditions, followed by measurement of the sample elution amount at the time of temperature increase. The sample elution amount was plotted against the temperature.
- the ratio of the components obtained by boiling Soxhlet for 6 hours with boiling n-heptane was calculated from the difference between the weight of polypropylene resin before extraction and the remaining weight after extraction, and divided by the weight of polypropylene resin before extraction.
- Polypropylene resin is melted with a round nozzle with a hole diameter of ⁇ ⁇ 6 mm and 10 holes.
- the melt spinning device extrudes the molten resin from the nozzle at a spinning temperature of 230 ° C and a single hole discharge rate of 2gZmin. Spinnability was evaluated.
- the yarn breakage speed is the rotation speed at which yarn breakage occurs when the rotation speed of the high-speed take-up machine is increased, and the spinning speed is the rotation speed at which spinning can be performed continuously for 4 minutes.
- the 13 C—NMR ⁇ vector was measured according to the peak assignment proposed by A. Zambelli et al. In “Macrom olecules, 8, 687 (1975)” with the following equipment and conditions. .
- Solvent 1, 2, 4 90:10 (volume ratio) solvent mixture of trichloro-open benzene and heavy benzene Temperature: 130 ° C Pulse width: 45 ° Pulse repetition time: 4 seconds
- Race pentad chain 20. 7 to 20.3 ppm
- the first component is 74 wt% of highly crystalline polypropylene (IDEMITSU PP Y—2000GV) with MFR of 18.0 g / 10 min and mmmm of 97 mol%
- the second component is MFR of 500 gZl0min, mmmm of 98 mol.
- 14 wt% of highly crystalline polypropylene Idemitsu Kosan: IDEMITSU PP H—50000
- a mixture of raw materials for coconut oil was mixed.
- the MFR of the obtained polypropylene resin was 18. lgZlOmin. This resin corresponds to the polypropylene resin described in claim 3.
- the low crystalline polypropylene (LP200 G) was produced by the following method.
- the melted resin (fat temperature: 200 ° C) after flushing is extruded with a gear pump, and manufactured using a submersible cutter with a rotating drum type solid-liquid separator (manufactured by Tanabe Plastics Machinery Co., Ltd .: PASC-21-HS type). Grained.
- the time until the cut fat pieces reach the solid-liquid separator (the retention time of the granulation in water) is set by adjusting the length of the connecting pipe that connects the submersible cutter and the solid-liquid separator. Set. At this time, the granule retained in water for 4 seconds, and the water temperature was 20 ° C. In this way, a low crystalline polypropylene granule was obtained.
- the first component is 67 wt% of high crystalline polypropylene (Idemitsu PP Y—2000GV) with MFR of 18. Og / 10 min, mmmm of 97 mol%, and MFR of 3. Og / lOmin as the second component.
- mmmm is 97mol% highly crystalline polypropylene (IDEMITSU PP F—300SV, manufactured by Idemitsu Kosan Co., Ltd.) 21wt%
- third component is 32000
- weight average molecular weight is 32000
- mmmm is 44.6mol%
- rrrrZ (l—mmmm) is 0 036
- a resin material blended with 12 wt% of a low crystalline polypropylene resin having an rmrm of 2.7 mol% and mm XrrZ (mm) .4 was mixed.
- the polymerization solution was continuously withdrawn, and 500 ppm of the anti-oxidation agent Ilganox 1010 (manufactured by Ciba Specialty Chemicals) was formulated into the resulting polymerization solution, and the solvent was removed at a jacket temperature of 200 ° C. This was frozen and ground to obtain a low crystalline polypropylene granule.
- Ilganox 1010 manufactured by Ciba Specialty Chemicals
- Polypropylene resin was produced in the same manner as in Example 1 except that the blending of the first component, the second component, and the third component was 52 wt%, 26 wt%, and 22 wt%, respectively.
- the MFR of this resin was 17.5 gZl0min.
- Polypropylene resin was produced in the same manner as in Example 2, except that the composition of the first component, the second component, and the third component was 39 wt%, 39 wt%, and 22 wt%, respectively.
- the MFR of this resin was 19.8 gZl0min.
- Double screw extrusion with polypropylene (Made by Idemitsu Kosan: IDE MITSU PP F—200SP) with MFR 3. Og / 10min, mmmm 91mol% with peroxide (Yakuyaku Akuzo: CAHEXA AD) was melted and kneaded at 200 ° C. using a machine (TEM-35B, manufactured by Toshiba Machine) to obtain polypropylene resin pellets having an MFR of 16.5 g / lOmin.
- the first component is 65 wt% of the polypropylene obtained in Comparative Example 2, the second component is 35% low crystalline polypropylene (LP2000G) with MFR of 18.2 g / 10 min and mmmm of 45 mol%. wt% was mixed and melt kneaded at 200 ° C with a twin screw extruder (TEM-35B manufactured by Toshiba Machine). The MFR of the obtained polypropylene was 17. OgZlOmin.
- the second component was obtained by the method described in JP-A-2001-214727, paragraphs 0024-0026.
- Tables 1 and 2 show the evaluation results of the polypropylene resin of Example 14 and Comparative Example 15 respectively.
- the polypropylene resin manufactured in Example 2 was melt-extruded through a die of 10 holes and 0.6 m ⁇ at a spinning temperature of 230 ° C, and an undrawn yarn was wound at a winding speed of 4000 mZ. Next, this undrawn yarn was drawn at a feed rate of 12 mZ at a drawing temperature of 120 ° C. by a drawing machine with a vertical contact heater, and a drawn yarn having a yarn diameter of 20 m was obtained.
- the yarn was sampled with a 50 Otex yarn bundle and subjected to a tensile test with a JISL1013: 1999 constant speed extensometer. As a result, the strength was 4.5 cNZdtex.
- Wx is the percentage of soluble components below X * C measured by temperature programmed fractionation chromatography (TREF).
- the polypropylene resin of the present invention is made of polypropylene fiber, non-woven fabric (for example, spunbond Nonwoven fabrics), and can be suitably used for the production of polypropylene products such as multifilaments.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005002790.2T DE112005002790B4 (de) | 2004-11-11 | 2005-10-31 | Polypropylenharz, Faser und Vliesgewebe |
JP2006544842A JP4969249B2 (ja) | 2004-11-11 | 2005-10-31 | ポリプロピレン樹脂、繊維及び不織布 |
US11/719,144 US8545980B2 (en) | 2004-11-11 | 2005-10-31 | Polypropylene resin, fiber, and nonwoven fabric |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-327910 | 2004-11-11 | ||
JP2004327910 | 2004-11-11 |
Publications (1)
Publication Number | Publication Date |
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WO2006051708A1 true WO2006051708A1 (ja) | 2006-05-18 |
Family
ID=36336390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019986 WO2006051708A1 (ja) | 2004-11-11 | 2005-10-31 | ポリプロピレン樹脂、繊維及び不織布 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8545980B2 (ja) |
JP (1) | JP4969249B2 (ja) |
DE (1) | DE112005002790B4 (ja) |
WO (1) | WO2006051708A1 (ja) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009001871A1 (ja) * | 2007-06-26 | 2008-12-31 | Idemitsu Kosan Co., Ltd. | 弾性不織布、その製造方法及び該弾性不織布を用いた繊維製品 |
JP2009062667A (ja) * | 2007-06-26 | 2009-03-26 | Idemitsu Kosan Co Ltd | 弾性不織布及びこれを用いた繊維製品 |
JP2009079341A (ja) * | 2007-09-04 | 2009-04-16 | Idemitsu Kosan Co Ltd | 弾性不織布、その製造方法及び繊維製品 |
JP2009209506A (ja) * | 2008-02-07 | 2009-09-17 | Idemitsu Kosan Co Ltd | 弾性不織布及び繊維製品 |
WO2010018789A1 (ja) * | 2008-08-12 | 2010-02-18 | 出光興産株式会社 | ポリプロピレン弾性繊維の製造方法およびポリプロピレン系弾性繊維 |
JP2010168713A (ja) * | 2008-12-24 | 2010-08-05 | Idemitsu Kosan Co Ltd | 弾性不織布、その製造方法及び繊維製品 |
WO2011030893A1 (ja) | 2009-09-14 | 2011-03-17 | 出光興産株式会社 | スパンボンド不織布および繊維製品 |
JP2011057721A (ja) * | 2009-09-04 | 2011-03-24 | Idemitsu Kosan Co Ltd | ポリオレフィンの製造方法、その製造装置、および、重合装置 |
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Also Published As
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JPWO2006051708A1 (ja) | 2008-05-29 |
DE112005002790B4 (de) | 2018-02-22 |
US8545980B2 (en) | 2013-10-01 |
JP4969249B2 (ja) | 2012-07-04 |
US20090098786A1 (en) | 2009-04-16 |
DE112005002790T5 (de) | 2007-09-27 |
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