Coating of carbon fibers with adhesion-promoting thin poly(acrylic acid) and poly(hydroxyethylmethacrylate) layers using electrospray ionization

Wettmarshausen, Sascha; Friedrich, Jörg; Meyer‐Plath, Asmus; Kalinka, Gerhard; Hidde, Gundula; Weidner, Steffen M.

doi:10.1080/01694243.2015.1040980

Cited by 11 publications

(6 citation statements)

References 48 publications

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“…Plasma polymer deposition avoids the loss in fiber strength by etching and oxidizing on exposure to gas plasmas but the measured improvements in IFSS are considerable although not comparable with the drastic enhancement of IFSS produced by ESI deposition of thin PAA and PHEMA films …”

Section: Resultsmentioning

confidence: 91%

“…The deposited ESI films and the CF surfaces were investigated by XPS, Fourier‐transform infrared spectroscopy (FTIR), contact angle measurement, Thermo‐Gravimetry (TG), AFM and SEM. The improvement in adhesion was measured by single‐fiber pull‐out tests and determination of the interfacial shear strength of CF embedded in EP …”

Section: Resultsmentioning

confidence: 99%

“…The electrophoretic effect shall be demonstrated first through the electrospray deposition of PAA onto a grounded Si wafer (cathode) (Figure ) …”

Section: Resultsmentioning

confidence: 99%

“…These ESI layers should act as coupling agents or adhesion promoters in carbon fiber‐EP composites . These thin adhesion promoting polymer layers from PAA, poly(allylamine) (PAAm) and poly(hydroxyethylmethacrylate) (PHEMA) should improve the adhesion between CF and the epoxy resin (EP) matrix by formation of strong covalent bonds across the interfaces between CF and PAA or PHEMA as well as between PAA or PHEMA and EP …”

Section: Introductionmentioning

confidence: 99%

“…The thickness varied between ca. 2 and 60 nm, and then an automatic stop of deposition occurred because of surface charging (Figure ) . Surface charging is due to the continuous flow of positively charged macromolecular ions.…”

Section: Introductionmentioning

confidence: 99%

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Coating of carbon fibers with adhesion-promoting thin polymer layers using plasma polymerization or electrospray ionization technique-A comparison

Friedrich

Altmann

Wettmarshausen

et al. 2016

Plasma Process. Polym.

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Front Cover: Two diff erent atmospheric pressure non-thermal plasmas have been used to clean the surface of a corroded 19 th century daguerreotype. The fi gures on top show the fi gure visage untreated; after 2 nd plasma-jet treatment on the left half-side only; and after DBD-plasma treatment of the right half-side too. The fi gures at the bottom show optical micrographies in white light of the woman's eye on the left daguerreotype portion in (a) untreated conditions and (b) after plasma-jet treatment. Further details can be found in the article by M. Boselli et al. on 1600027. Feature Article In this work, the eff ect of T substrate on the plasma deposition kinetics and thermal properties of pdMMA fi lms is assessed. A plasma deposition mechanism is proposed, based on the adsorption/desorption equilibrium of activated species, followed by a surface plasma polymerization. A decreased volatile fraction and enhanced cross-link density with increasing T substrate is shown by TG analysis. In accordance , DSC analysis confi rms an increasing glass transition. Plasma polymers and electrospray-ionization (ESI) polymer layers are compared for most ef-fi cient adhesion promotion in carbon fi ber-epoxy resin composites. Diff erences in chemical structure and composition of polymer layers are discussed as well as the surface topography of these nanometer thick fi lms.

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Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

“…The electrophoretic effect shall be demonstrated first through the electrospray deposition of PAA onto a grounded Si wafer (cathode) (Figure ) …”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%