Hydrophobic surface modification of ramie fibers with ethanol pretreatment and atmospheric pressure plasma treatment

Zhou, Zhou; Liu, Xingchen; Hu, Benting; Wang, Jilong; Xin, Danwei; Wang, Zhengjia; Qiu, Yiping

doi:10.1016/j.surfcoat.2011.03.022

Cited by 70 publications

(39 citation statements)

References 31 publications

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“…As the exposure time (directly related to low advance rates) and the plasma influence area (directly related to nozzle-substrate distance) increases, much more breaks of polymeric chains, thus leading to formation of low molecular weight oxidized moieties that can be removed from the topmost layers. [37,[41][42][43] …”

Section: Tablementioning

confidence: 99%

Surface modification of polylactic acid (PLA) by air atmospheric plasma treatment

Jordá‐Vilaplana

Fombuena

Garcia‐Garcia

et al. 2014

European Polymer Journal

200

104

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Section: Tablementioning

confidence: 99%

Surface modification of polylactic acid (PLA) by air atmospheric plasma treatment

Jordá‐Vilaplana

Fombuena

Garcia‐Garcia

et al. 2014

European Polymer Journal

200

104

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“…Surface modification techniques in textiles are divided into: chemical, mechanical, or combined methods. Normally, such modification is accomplished through the padding or the exhaust process, spraying, plasma treatment, and layer-by-layer assembly [68,[71][72][73]. Silane chemistry has attracted particular interests in textiles surface modification especially for hydrophobic property.…”

Section: Silanes In Textile Applicationsmentioning

confidence: 99%

Revisiting the Challenges in Fabricating Uniform Coatings with Polyfunctional Molecules on High Surface Energy Materials

et al. 2015

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Abstract:Modifying the chemistry of a surface has been widely used to influence interfacial properties of a material or nature of interaction between two materials. This article provides an overview on the role of polyfunctional molecules, specifically silanes, in surface modification of polar surfaces (bearing soft nucleophiles). An emphasis on the mechanism of the reaction in the presence of adsorbed water, where the modifying reagents are hydrolysable, is discussed. To highlight the complexity of the reaction, modification of paper with trichlorosilanes is highlighted. Preparation of hydrophobic cellulosic paper, and structure-property relations under different treatment conditions is used to highlight that a monolayer is not always formed during the surface modification. Gel-formation via step-growth polymerization suggests that at the right monomer:adsorbed water ratio, a monolayer will not form but rather self-assembly driven particle formation will occur leading to a textured surface. The review highlights recent work indicating that the focus on monolayer formation, is at the very least, not always the case but gel formation, with concomitant self-assembly, might be the culprit in understanding challenges associated with the use of polyfunctional molecules in surface modification. OPEN ACCESSCoatings 2015, 5 1003

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“…Nevertheless, it is well-known that vegetable fibers absorb moisture due to their hydrophilic nature, show poor wettability and fiber heterogeneity as well as have incompatibility with hydrophobic polymeric matrices. To build composites with improved mechanical properties, therefore, a chemical or physical surface modification of the fibers is necessary 5,6 . These different treatments change the hydrophilic character of the vegetable fibers so that moisture effects are reduced in the composite 6 .…”

Section: Introductionmentioning

confidence: 99%

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

Borba¹,

Tedesco²,

Lenz

2013

Mat. Res.

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Composites of styrene-butadiene-styrene triblock copolymer (SBS) matrix with curauá fiber and/ or a nanoparticulate mineral (montmorillonite clay -MMT) used as reinforcing agents were prepared by melt-mixing. The influence of clay addition on properties like tensile and tear strength, rebound resilience, flex fatigue life, abrasion loss, hardness and water absorption of composites with 5, 10 and 20 wt% of curauá fiber was evaluated in presence of maleic anhydride grafted styrene-(ethyleneco-butylene)-styrene triblock copolymer (MA-g-SEBS) coupling agent. Furthermore, the effect of mineral plasticizer loading on tensile strength of selected composites was investigated. The hybrid SBS composite that showed the best overall mechanical performance was composed by 2 wt% of MMT and 5 wt% of curauá fiber. Increasing fiber content up to 20 wt% resulted in a general decrease in all mechanical properties as well as incorporation of 5 wt% MMT caused a decrease in the tensile strength in all fiber contents. The hybrid composites showed clay agglomerates (tactoids) poorly dispersed that could explain the poor mechanical performance of composites at higher concentrations of curauá fiber and MMT nanoparticles. The addition of plasticizer further decreased the tensile strength while the addition of MMT nanoparticles decreased water absorption for all SBS composites.

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Hydrophobic surface modification of ramie fibers with ethanol pretreatment and atmospheric pressure plasma treatment

Cited by 70 publications

References 31 publications

Surface modification of polylactic acid (PLA) by air atmospheric plasma treatment

Surface modification of polylactic acid (PLA) by air atmospheric plasma treatment

Revisiting the Challenges in Fabricating Uniform Coatings with Polyfunctional Molecules on High Surface Energy Materials

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

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