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Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 840-852 doi: 10.1007/s11705-022-2253-0

Abstract: Herein, a Fe3+-loaded aminated polypropylene fiber has been reported as an efficient phosphateThe remarkable phosphate removal ability of the fiber is due to Fe3+ immobilization, and itAdsorption experiments showed that the fiber is applicable over a wide pH range from 2 to 9.The adsorption equilibrium of the fiber for phosphate was reached within 60 min, indicating an efficientOverall, this study proves that the fiber possesses many advantages for phosphate removal, including

Keywords： phosphate adsorption     aminated polypropylene fiber     Fe3+     ligand exchange     reusability    

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The damage evolution behavior of polypropylene fiber reinforced concrete subjected to sulfate attack

Ninghui LIANG; Jinwang MAO; Ru YAN; Xinrong LIU; Xiaohan ZHOU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 316-328 doi: 10.1007/s11709-022-0810-8

Abstract: To study the damage evolution behavior of polypropylene fiber reinforced concrete (PFRC) subjected toThe effect of sulfate attack relative to time and fiber hybridization were analyzed and the compressionPFRC could still produce AE signals after peak load due to drawing effect of polypropylene fiber.was −0.042 and −0.056 respectively after 150 d of corrosion, indicating that the advantage of hybrid polypropylenefiber was more obvious than plain concrete and single-doped PFRC.

Keywords： polypropylene fiber reinforced concrete     sulfate attack     damage evolution behavior     acoustic emission    

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Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1338-1349 doi: 10.1007/s17009-019-0558-2

Abstract: In the present study, steel and polypropylene (PP) fibers have been utilized with the intent of obtaininghybrid fiber-reinforced concrete (HFRC) with desirable mechanical properties.with the main concentration being on energy absorption characteristics of concrete and the efficacy of fiber

Keywords： hybrid fiber-reinforced concrete     synergy     toughness     steel fibers     polypropylene fibers    

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Assessment of fracture process in forta and polypropylene fiber-reinforced concrete using experimental

Seyed Hamid KALALI; Hamid ESKANDARI-NADDAF; Seyed Ali EMAMIAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1633-1652 doi: 10.1007/s11709-022-0876-3

Abstract: characterize the evolution of the fracture process and the cracking behavior in Forta-Ferro (FF) and Polypropylene(PP) fiber-reinforced concrete under the uniaxial compressive loading using experimental analysis andResults show that FF fiber-reinforced concrete specimens demonstrated increased ductility and strengthcompared to PP fiber.lateral strain, while a gradual increase in micro-crack quantity at 75% of peak load was observed in the fiber

Keywords： fiber-reinforced concrete     forta-ferro and polypropylene fiber     fracture process     cracking behavior    

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Time- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1025-1037 doi: 10.1007/s11709-021-0741-9

Abstract: The understanding of compressive and tensile behaviors of polypropylene fiber-reinforced cemented paste

Keywords： cemented paste backfill     fiber reinforcement     constitutive behavior     temperature     tailings    

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Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Frontiers of Structural and Civil Engineering   Pages 1228-1248 doi: 10.1007/s11709-023-0931-8

Abstract: ultra-high-performance concrete (UHPC) reinforced with single and hybrid micro- and macro-steel and polypropyleneFor this purpose, a series of cubic, cylindrical, dog-bone, and prismatic beam specimens (total fiber

Keywords： UHPC     MT-DIC     flexural behavior     tensile behavior     steel fiber     polypropylene fiber    

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Impregnation of thermoplastic resin in jute fiber mat

LIU Xiaoye, DAI Gance

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 145-149 doi: 10.1007/s11705-008-0030-3

Abstract: Impregnation rate of thermoplastic resin (polypropylene) in jute fiber mat and influence of relativemat has higher porosity than glass fiber mat.The architecture, compressibility, permeability and fiber diameter of jute fiber mat were compared withthose of glass fiber mat and their effects on impregnation were discussed further.It could be seen that the average diameter of jute fiber is much bigger; the porosity of jute fiber mat

Keywords： polypropylene     diameter     influence     proportional     impregnation    

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Investigation on multiple-melting behavior of nano-CaCO3/polypropylene composites

LIN Zhidan, ZENG Chunlian, MAI Kancheng

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 81-86 doi: 10.1007/s11705-007-0017-5

Abstract: The multiple melting-peak behavior of polypropylene (PP) in nano-CaCO/PP composites and modified nano-CaCO

Keywords： polypropylene     nano-CaCO/PP     presence     melting-peak behavior     low-temperature    

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Dyeing fine denier polypropylene fibers with phenylazo- β -naphthol-containing sulfonamide disperse

Zhihua CUI, Weiguo CHEN, Jinzong YANG, Shufen ZHANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 328-335 doi: 10.1007/s11705-009-0216-3

Abstract: The dyes were applied to coloring of knitted fabrics from fine denier polypropylene fibers by exhaust

Keywords： polypropylene     FTIR     secondary sulfonamide     Orange     concentration    

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Technology Progress of Polypropylene

Yuan Qingtang

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 29-36

Abstract:

This paper briefly reviews technical progress of polypropylene over nearly half century and summatizesthe main technology progress of polypropylene in China and abroad, while simply researching into thefuture development direction of polypropylene technology in China.

Keywords： polypropylene     technical progress     development direction    

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Phenolic rigid organic filler/isotactic polypropylene composites. III. Impact resistance property

Heming LIN, Dongming QI, Jian HAN, Zhiqi CAI, Minghua WU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 176-181 doi: 10.1007/s11705-009-0203-8

Abstract: A novel phenolic rigid organic filler (KT) was used to modify isotactic polypropylene (iPP).

Keywords： rigid organic filler     polypropylene     impact resistance    

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Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 395-402 doi: 10.1007/s11705-012-1269-2

Abstract: novel phenolic rigid organic filler (named KD) with a high melting point was dispersed in an isotactic polypropyleneA series of KD/iPP blends was prepared with or without addition of maleic anhydride-grafted polypropylene

Keywords： dispersion     rigid organic filler     isotactic polypropylene     mixing    

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Phenolic rigid organic filler/isotactic polypropylene composites. II. Tensile properties

QI Dongming, SHAO Jianzhong, WU Minghua, NITTA Kohhei

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 396-401 doi: 10.1007/s11705-008-0077-1

Abstract: A novel phenolic rigid organic filler (KT) was used to modify isotactic polypropylene (iPP).

Keywords： maximal     uniaxial tensile     unfilled     excellent tensile     influence    

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Determination of the diffusion of poly(ethylene glycol) in polypropylene using ATR-FTIR

Hanjia CHEN, Xuhua SHI, Yafei ZHU, Yi ZHANG, Jiarui XU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 336-341 doi: 10.1007/s11705-009-0230-5

Abstract: The diffusion of poly(ethy1ene glycol) (PEG) in polypropylene (PP) was investigated using attenuated

Keywords： diffusion     polypropylene     molecular     diffusion equilibrium     attenuated    

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A comparative study on polypropylene separators coated with different inorganic materials for lithium-ion

Linghui Yu, Jiansong Miao, Yi Jin, Jerry Y.S. Lin

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 346-352 doi: 10.1007/s11705-017-1648-9

Abstract: Herein, we present such a study on coating a commercial polypropylene separator with four inorganic materialsThe coating layers add 28%–45% of electrical resistance compared with the pure polypropylene separator, but all the cells prepared with the coated polypropylene separators have the same electrical chemical

Keywords： lithium-ion battery     battery safety     composite separator     porosity     tortuosity    

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Title Author Date Type Operation

Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate

Journal Article

The damage evolution behavior of polypropylene fiber reinforced concrete subjected to sulfate attack

Ninghui LIANG; Jinwang MAO; Ru YAN; Xinrong LIU; Xiaohan ZHOU

Journal Article

Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Journal Article

Assessment of fracture process in forta and polypropylene fiber-reinforced concrete using experimental

Seyed Hamid KALALI; Hamid ESKANDARI-NADDAF; Seyed Ali EMAMIAN

Journal Article

Time- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced

Journal Article

Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Journal Article

Impregnation of thermoplastic resin in jute fiber mat

LIU Xiaoye, DAI Gance

Journal Article

Investigation on multiple-melting behavior of nano-CaCO3/polypropylene composites

LIN Zhidan, ZENG Chunlian, MAI Kancheng

Journal Article

Dyeing fine denier polypropylene fibers with phenylazo- β -naphthol-containing sulfonamide disperse

Zhihua CUI, Weiguo CHEN, Jinzong YANG, Shufen ZHANG,

Journal Article

Technology Progress of Polypropylene

Yuan Qingtang

Journal Article

Phenolic rigid organic filler/isotactic polypropylene composites. III. Impact resistance property

Heming LIN, Dongming QI, Jian HAN, Zhiqi CAI, Minghua WU

Journal Article

Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Journal Article

Phenolic rigid organic filler/isotactic polypropylene composites. II. Tensile properties

QI Dongming, SHAO Jianzhong, WU Minghua, NITTA Kohhei

Journal Article

Determination of the diffusion of poly(ethylene glycol) in polypropylene using ATR-FTIR

Hanjia CHEN, Xuhua SHI, Yafei ZHU, Yi ZHANG, Jiarui XU,

Journal Article

A comparative study on polypropylene separators coated with different inorganic materials for lithium-ion

Linghui Yu, Jiansong Miao, Yi Jin, Jerry Y.S. Lin

Journal Article