JPWO2013129323A1 - セメント補強用繊維及びそれを用いたセメント硬化体 - Google Patents
セメント補強用繊維及びそれを用いたセメント硬化体 Download PDFInfo
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- JPWO2013129323A1 JPWO2013129323A1 JP2014502210A JP2014502210A JPWO2013129323A1 JP WO2013129323 A1 JPWO2013129323 A1 JP WO2013129323A1 JP 2014502210 A JP2014502210 A JP 2014502210A JP 2014502210 A JP2014502210 A JP 2014502210A JP WO2013129323 A1 JPWO2013129323 A1 JP WO2013129323A1
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- 239000004568 cement Substances 0.000 title claims abstract description 126
- 239000012783 reinforcing fiber Substances 0.000 title claims abstract description 35
- 239000000835 fiber Substances 0.000 claims abstract description 237
- -1 polyoxyethylene Polymers 0.000 claims abstract description 142
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 53
- 239000000126 substance Substances 0.000 claims abstract description 34
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 28
- 229920000098 polyolefin Polymers 0.000 claims abstract description 27
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 22
- 239000010452 phosphate Substances 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 13
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 6
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 6
- 238000003851 corona treatment Methods 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 18
- 208000028659 discharge Diseases 0.000 claims description 14
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 description 85
- 239000004743 Polypropylene Substances 0.000 description 82
- 238000009987 spinning Methods 0.000 description 29
- 229920000642 polymer Polymers 0.000 description 26
- 238000005452 bending Methods 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 20
- 238000002074 melt spinning Methods 0.000 description 19
- 239000010954 inorganic particle Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 239000000306 component Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000005979 thermal decomposition reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229920006158 high molecular weight polymer Polymers 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 125000006353 oxyethylene group Chemical group 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000009832 plasma treatment Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 241000283014 Dama Species 0.000 description 3
- 229920002978 Vinylon Polymers 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- JNSGIVNNHKGGRU-JYRVWZFOSA-N diethoxyphosphinothioyl (2z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetate Chemical compound CCOP(=S)(OCC)OC(=O)C(=N/OC)\C1=CSC(N)=N1 JNSGIVNNHKGGRU-JYRVWZFOSA-N 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920005606 polypropylene copolymer Polymers 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 125000006755 (C2-C20) alkyl group Chemical group 0.000 description 1
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
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- 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
- 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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1003—Non-compositional aspects of the coating or impregnation
- C04B20/1014—Coating or impregnating materials characterised by the shape, e.g. fibrous materials
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
- D06M13/17—Polyoxyalkyleneglycol ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
- D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
繊維を20℃から200℃まで、10℃/分の速度で昇温し、次いで、200℃から20℃まで、10℃/分の速度で降温して、再度、20℃から200℃まで10℃/分の速度で昇温したときの吸熱エネルギーを融解エンタルピーΔHP2とする。
<ポリプロピレンマルチフィラメントの製造>
原料ポリマーとしてポリプロピレン(商品名:SA01A、日本ポリプロ株式会社製)を用いて、孔径0.6mmの紡糸ノズルを用い、紡糸温度270℃で溶融押出し、紡糸ノズル付近を冷却しながら、引取倍率(紡糸ドラフト)を56.6倍として、繊度100dtexの紡糸フィラメントを得た。次いで、得られた紡糸フィラメントを、延伸温度160℃、延伸倍率5.0倍として乾式延伸して、繊度20dtexのポリプロピレンマルチフィラメント(フィラメント数60本)を得た。
まず、マルチフィラメントを長さ5cmにカットして、フィラメントサンプルを作製した。次いで、セメント400g、珪砂100g、粉砕パルプ5g、水150gを混合して攪拌し、縦5cm、幅4cm、厚み0.5cmの下層セメント体を製造した。次に、セメント400g、珪砂100g、粉砕パルプ5g、水200gを混合して攪拌し、縦5cm、幅4cm、厚み0.5cmの上層セメント体を製造した。そして、下層セメント体が硬化する前に、フィラメントサンプルを幅方向に沿って縦方向の中央に配置して、この上から硬化前の上層セメント体を重ねて、引き抜き強度測定用の測定サンプルを得た。なお、測定サンプルにおいては、フィラメントサンプルのうち、4cmの長さがセメント体内にあり、1cmの長さがセメント体より外にある。測定サンプルを28日間自然養生したのち、測定サンプルのセメント体からフィラメントサンプルを2cm/minの速度で引き抜き、この時の最大荷重を引き抜き強度とした。また、実施例2及び比較例2の測定サンプルについては、150℃で16時間オートクレーブ養生した後、同様に引き抜き強度を測定した。
<ポリプロピレン短繊維の製造>
原料ポリマーとしてポリプロピレン(商品名:SA01A、日本ポリプロ株式会社製)を用いて、孔径0.6mmの紡糸ノズルを用い、紡糸温度270℃で溶融押出し、紡糸ノズル付近を冷却しながら、引取倍率(紡糸ドラフト)を142倍として、繊度4.0dtexの紡糸フィラメントを得た。次いで、得られた紡糸フィラメントを、延伸温度160℃、延伸倍率4.4倍として乾式延伸して、繊度0.9dtexの延伸フィラメントを得た。得られた延伸フィラメントは、単繊維強度が8.9cN/dtexであり、繊維伸度25%であり、ヤング率が6700MPaであった。
ポルトランドセメント400g、珪砂100g、粉砕パルプ5g、セメント補強用繊維(ポリプロピレン短繊維)1.5g、水4500gを十分に攪拌して混合し、縦25cm、横25cmのセメント硬化体を作製し、これを28日間常温で自然養生して、セメントサンプルを得た。次いで、セメントサンプルから縦1cm、横13cmの測定試料を作製し、JIS B 7722に従って、シャルピー衝撃強度を測定した。
シャルピー衝撃強度の試験方法の場合と同様にして、セメントサンプルを得て、セメントサンプルから縦5cm、横10cmの測定試料を作製し、JIS A 1408に従って、曲げ弾性限界強度LOP及び曲げ破壊強度MORを測定した。
曲げ破壊強度MORを密度で除して算出した値を比MORとした。
<ポリプロピレンマルチフィラメントの製造>
繊維処理剤の付与量を下記表3に示しているように替えたこと以外は、実施例2と同様の手順に従って、実施例15〜17のマルチフィラメントを得た。
<ポリプロピレン短繊維の製造>
原料ポリマーとして、数平均分子量Mnが69100、重量平均分子量Mwが380000、Z平均分子量Mzが1160000、Mw/Mnが5.50、Mz/Mwが3.05、融解エンタルピーΔHP1が79.2J/gであるポリプロピレンを用いて、孔径0.6mmの紡糸ノズルを用い、紡糸温度300℃で溶融押出し、紡糸ノズル付近を冷却しながら、引取倍率(紡糸ドラフト)を585倍として、繊度4.4dtexの紡糸フィラメントを得た。次いで、得られた紡糸フィラメントを、延伸温度155℃、延伸倍率4.0倍として乾式延伸して、繊度1.3dtexの延伸フィラメントを得た。得られた延伸フィラメントは、単繊維強度が8.0cN/dtexであり、繊維伸度28.5%であり、ヤング率が5400MPaであった。
Claims (6)
- ポリオレフィン繊維からなるセメント補強用繊維であって、
前記ポリオレフィン繊維表面に繊維処理剤が付着されており、
前記繊維処理剤がポリオキシエチレンアルキルリン酸エステル塩であることを特徴とするセメント補強用繊維。 - 前記ポリオレフィン繊維100質量%に対し、前記ポリオキシエチレンアルキルリン酸エステル塩の付着量が0.1〜5質量%の範囲である請求項1又は2に記載のセメント補強用繊維。
- 前記ポリオレフィン繊維は、フッ素ガス処理、プラズマ放電処理及びコロナ放電処理から選ばれる少なくとも1つの親水化処理により親水化されている請求項1〜3のいずれか1項に記載のセメント補強用繊維。
- 前記化学式(2)で示されるポリオキシエチレンアルキルリン酸エステル塩におけるnが1〜15であり、前記化学式(3)で示されるポリオキシエチレンアルキルリン酸エステル塩におけるn及びmが1〜15である請求項2に記載のセメント補強用繊維。
- 請求項1〜5のいずれか1項に記載のセメント補強用繊維を含むことを特徴とするセメント硬化体。
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