WO2008123173A1 - ポリプロピレン繊維、その製造方法およびその使用 - Google Patents

ポリプロピレン繊維、その製造方法およびその使用 Download PDF

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Publication number
WO2008123173A1
WO2008123173A1 PCT/JP2008/055370 JP2008055370W WO2008123173A1 WO 2008123173 A1 WO2008123173 A1 WO 2008123173A1 JP 2008055370 W JP2008055370 W JP 2008055370W WO 2008123173 A1 WO2008123173 A1 WO 2008123173A1
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WO
WIPO (PCT)
Prior art keywords
fiber
peaks
dtex
fold
producing
Prior art date
Application number
PCT/JP2008/055370
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English (en)
French (fr)
Inventor
Takashi Katayama
Yoshihiro Iwasaki
Masakazu Nishiyama
Original Assignee
Kuraray Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007247137A external-priority patent/JP5096093B2/ja
Priority claimed from JP2007305859A external-priority patent/JP5172295B2/ja
Priority claimed from JP2007315587A external-priority patent/JP5273995B2/ja
Application filed by Kuraray Co., Ltd. filed Critical Kuraray Co., Ltd.
Priority to US12/532,898 priority Critical patent/US8647741B2/en
Priority to AT08722686T priority patent/ATE526439T1/de
Priority to MX2009010220A priority patent/MX2009010220A/es
Priority to BRPI0809279-6A priority patent/BRPI0809279B1/pt
Priority to EP20080722686 priority patent/EP2130954B1/en
Priority to UAA200910731A priority patent/UA97393C2/ru
Priority to AU2008236152A priority patent/AU2008236152B2/en
Publication of WO2008123173A1 publication Critical patent/WO2008123173A1/ja

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/0625—Polyalkenes, e.g. polyethylene
    • C04B16/0633—Polypropylene
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • 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
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2223/00—Use of polyalkenes or derivatives thereof as reinforcement
    • B29K2223/10—Polymers of propylene
    • B29K2223/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/707—Cables, i.e. two or more filaments combined together, e.g. ropes, cords, strings, yarns
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2001—Wires or filaments
    • D07B2201/2006—Wires or filaments characterised by a value or range of the dimension given
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2001—Wires or filaments
    • D07B2201/2007—Wires or filaments characterised by their longitudinal shape
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2001—Wires or filaments
    • D07B2201/2009—Wires or filaments characterised by the materials used
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • 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
    • 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
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying
    • 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.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • 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.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • 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]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Filaments (AREA)
  • Ropes Or Cables (AREA)
  • Graft Or Block Polymers (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

【課題】　強度、耐熱性、吸水性に優れるポリプロピレン繊維(PP繊維)、その製法、該PP繊維を用いた水硬性組成物、ロープ、シート状繊維構造体並びに有機重合体との複合材料の提供。 【解決手段】　繊維強度7cN/dtex以上で、(ｉ)DSCによる吸熱ピーク形状が10°C以下の半価幅を有するシングル形状、融解エンタルピー変化量(△Ｈ)が125J/gであるDSC特性及び(ii)単繊維繊度0.1～3dtexで表面に大径の隆起部と小径の非隆起部が繊維軸に沿って交互に存在してなる平均間隔6.5～20μｍで平均高さ0.35～1μｍの凹凸を有するという凹凸特性の一方又は両方を備えるPP繊維、IPF94％以上の未延伸PP繊維を120～150°Cで延伸倍率3～10倍で前延伸した後、170～190°Cで、変形速度1.5～15倍／分及び延伸張力1.0～2.5cN/dtexで、延伸倍率1.2～3.0倍で後延伸して該PP繊維を製造する方法並びに当該PP繊維を用いた水硬性組成物、ロープ、シート状繊維構造体、有機重合体との複合材料。
PCT/JP2008/055370 2007-03-26 2008-03-24 ポリプロピレン繊維、その製造方法およびその使用 WO2008123173A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US12/532,898 US8647741B2 (en) 2007-03-26 2008-03-24 Polypropylene fiber, method of producing the same and utilization of the same
AT08722686T ATE526439T1 (de) 2007-03-26 2008-03-24 Polypropylenfaser, verfahren zu ihrer herstellung und ihre anwendung
MX2009010220A MX2009010220A (es) 2007-03-26 2008-03-24 Fibra de polipropileno, metodo para producir la misma y utilizacion de la misma.
BRPI0809279-6A BRPI0809279B1 (pt) 2007-03-26 2008-03-24 Polypropylene fiber, production method thereof, hydraulic composition, hydraulic and molded products, cable and fiber structures in shape form and composite material
EP20080722686 EP2130954B1 (en) 2007-03-26 2008-03-24 Polypropylene fiber, method of producing the same and utilization of the same
UAA200910731A UA97393C2 (ru) 2007-03-26 2008-03-24 Полипропиленовое волокно, способ его получения, гидравлическая композиция, гидравлический продукт, структура веревки, листообразная структура из волокна, композиционный материал и формовой продукт
AU2008236152A AU2008236152B2 (en) 2007-03-26 2008-03-24 Polypropylene fiber, method of producing the same and utilization of the same

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP2007-078738 2007-03-26
JP2007078738 2007-03-26
JP2007-080699 2007-03-27
JP2007080699 2007-03-27
JP2007139453 2007-05-25
JP2007-139453 2007-05-25
JP2007234212 2007-09-10
JP2007-234212 2007-09-10
JP2007-247137 2007-09-25
JP2007247137A JP5096093B2 (ja) 2007-09-25 2007-09-25 ポリプロピレン繊維製ロープ
JP2007305859A JP5172295B2 (ja) 2007-11-27 2007-11-27 ポリプロピレン繊維製のシート状繊維構造体
JP2007-305859 2007-11-27
JP2007315587A JP5273995B2 (ja) 2007-12-06 2007-12-06 ポリプロピレン繊維を含む複合材料および成形体
JP2007-315587 2007-12-06

Publications (1)

Publication Number Publication Date
WO2008123173A1 true WO2008123173A1 (ja) 2008-10-16

Family

ID=39830670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/055370 WO2008123173A1 (ja) 2007-03-26 2008-03-24 ポリプロピレン繊維、その製造方法およびその使用

Country Status (8)

Country Link
US (1) US8647741B2 (ja)
EP (1) EP2130954B1 (ja)
AT (1) ATE526439T1 (ja)
AU (1) AU2008236152B2 (ja)
BR (1) BRPI0809279B1 (ja)
ES (1) ES2371981T3 (ja)
MX (1) MX2009010220A (ja)
WO (1) WO2008123173A1 (ja)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
JP2014196577A (ja) * 2013-03-29 2014-10-16 帝人株式会社 ポリプロピレン繊維及びその製造方法
CN107643778A (zh) * 2016-07-22 2018-01-30 展讯通信（上海）有限公司 终端表面温度控制方法、装置及终端

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WO2009101661A1 (ja) * 2008-02-15 2009-08-20 Unitika Fibers Ltd. Ｘ線造影性モノフィラメント
US20120041087A1 (en) * 2010-08-12 2012-02-16 Evgeniy Nikolaevich Yastremskiy Dry mixture for manufacturing cellular fibro concrete and method thereof
EP2716799A4 (en) * 2011-05-30 2014-10-29 Toyota Motor Co Ltd HIGH-STRENGTH POLYPROPYLENE FIBER AND METHOD OF MANUFACTURING THEREOF
JP5723482B2 (ja) * 2012-02-29 2015-05-27 ダイワボウホールディングス株式会社 セメント補強用繊維及びそれを用いたセメント硬化体
US10655256B2 (en) * 2012-09-07 2020-05-19 Teijin Frontier Co., Ltd. Nonwoven fabric structure and method for producing the same
US9394637B2 (en) 2012-12-13 2016-07-19 Jacob Holm & Sons Ag Method for production of a hydroentangled airlaid web and products obtained therefrom
MX2015018060A (es) 2013-06-21 2017-02-28 Construction Research & Technology Gmbh Material compuesto cementoso que incluye una pluralidad de fibras aprestadas.
ES2539734B2 (es) * 2013-07-23 2015-11-27 Myphor Materiales Especiales, S.L. Procedimiento de fabricación de fibras sintéticas estructurales para hormigones y morteros y fibra sintética obtenida
BR112016011370B1 (pt) 2013-11-20 2022-02-08 Kimberly-Clark Worldwide, Inc Compósito não tecido, laminado em multicamadas, e artigo absorvente
BR112016010917B1 (pt) 2013-11-20 2022-01-25 Kimberly-Clark Worldwide, Inc Artigo absorvente
AU2014412048B2 (en) 2014-11-18 2019-06-20 Kimberly-Clark Worldwide, Inc. Soft and durable nonwoven web
ES2837860T3 (es) * 2015-04-27 2021-07-01 Borealis Ag Material compuesto de polipropileno
US10870929B2 (en) * 2015-07-24 2020-12-22 Mitsubishi Chemical Corporation Polypropylene fiber and method for manufacturing polypropylene fiber
JP2019504933A (ja) * 2016-01-14 2019-02-21 イメリーズ ミネラルズ リミテッド ポリマー組成物
CN107959913B (zh) * 2016-10-17 2020-10-16 华为技术有限公司 一种音频播放装置和设备
CN109778327B (zh) * 2019-01-23 2021-04-27 天津工业大学 一种微/纳交替纤维集合体的制备方法
CN112442232B (zh) * 2019-09-03 2021-11-05 中国科学院化学研究所 一种纳米材料复合聚合物粉体及其制备方法
CN114182382A (zh) * 2021-12-08 2022-03-15 大连华阳百科科技有限公司 一种pp异形纤维的制备方法
CN114436590B (zh) * 2022-01-25 2023-03-14 中交二公局第一工程有限公司 聚丙烯纤维混凝土

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