Surface characterization of silane-treated industrial glass fibers

Norström, Anne; Fagerholm, Heidi M.; Rosenholm, Jarl B.

doi:10.1163/156856101750430413

Cited by 11 publications

(9 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…After 2 h of assembly, the intensity of terminal Br or N at the smallest angle (10° or 20°) is significantly greater than what was observed at the mid-angle (40°) or high-angle (90°). Similar data have been observed in other siloxane SAM studies. ,, …”

Section: Resultssupporting

confidence: 92%

Nucleation and Growth of Metastable Polymorphs on Siloxane Monolayer Templates

Capacci-Daniel

Gaskell

Swift

2009

Crystal Growth & Design

View full text Add to dashboard Cite

The development of methods aimed at polymorph screening and effecting phase control is of broad interest to the field of molecular materials. The present work is the most extensive systematic combinatorial study of molecular crystal growth in the presence of modified siloxane templates. 1,3-Bis(m-nitrophenyl)urea (MNPU) is known to crystallize from solution in three polymorphic forms (R, β, δ) as well as a hydrate (γ), typically concomitantly. Previous growth studies of MNPU on goldthiol self-assembled monolayers (SAMs) (J. Am. Chem. Soc. 2005, 127, 18321-18327) demonstrated phase selectivity and preferred orientations which could be rationalized on the basis of thermodynamic stabilization at the SAM/crystal interface. Crystallization studies of MNPU on 11 different siloxanes in 3 unique solvents showed that in general siloxane SAMs tended to favor the nucleation and growth of metastable phases (β, δ, γ) and completely suppress the growth of the most stable R phase. A new ε-MNPU phase not previously observed in either solution or template-directed studies was also identified. Differences in the preferred orientations and phase selectivity relative to Au-S SAMs growth studies suggest that kinetic factors play a more pronounced role during interfacial stabilization on siloxane SAMs. This method serves as an effective complement to existing strategies used in the discovery and reliable generation of polymorphs, and may have useful applications in the polymorph screening of other molecular crystal systems.

show abstract

Section: Resultssupporting

confidence: 92%

Nucleation and Growth of Metastable Polymorphs on Siloxane Monolayer Templates

Capacci-Daniel

Gaskell

Swift

2009

Crystal Growth & Design

View full text Add to dashboard Cite

show abstract

“…The two first small values of DEOT agree with the fact that collagen is a big molecule and cannot penetrate into the nanoporous structure, thus producing a small change in EOT. Besides, the APTMS charge is the same as the collagen charge at the experiment pH [62][63][64][65][66][67], which is a further reason for preventing the collagen infiltration and resulting in the observed small DEOT in the APTMS functionalization. On the other hand, the remarkable DEOT for the APTMS-GTA functionalization suggests that the nanoporous silicon pores are being filled with collagen when their surface is functionalized with the glutaraldehyde, even though the collagen is a big molecule.…”

Section: Analysis Of Protein Infiltration In Nanoporous Silicon By Mementioning

confidence: 98%

“…3a and b show that the APTMS functionalization leads the collagen to aggregate on the porous silicon surface, independently of the pore size. This is a consequence of electrostatic repulsive forces between collagen and APTMS, both charged positively at the experiment pH [62][63][64][65][66][67]. The main difference between the two pore sizes is the resulting aggregate size, which increased up to 200 lm.…”

Section: Ftir Transmittance and Atrmentioning

confidence: 99%

Protein attachment to silane-functionalized porous silicon: A comparison of electrostatic and covalent attachment

Baranowska

Slota

Eravuchira

et al. 2015

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

“…However, silane coupling agents were adsorbed in patches and provided acidic sites for interaction with the basic polyester functional groups, as well as stronger basic sites to enhance interaction with the acidic epoxy sites. Norstrom et al [16] reported the use of XPS and EKA to characterize the surface of silane only sized E-glass fibres. The glass fibres were treated for 3 min in solutions of 0.05-0.5% (wt/wt) of various silane coupling agents.…”

Section: High Vacuum Surface Analysis Techniquesmentioning

confidence: 99%

A review of the analysis and characterisation of polymeric glass fibre sizings

Thomason

2020

Polymer Testing

View full text Add to dashboard Cite

Glass fibre reinforcements form the backbone of a composites industry. Possibly the most critical component involved in the manufacture of glass fibres and their composites is the fibre sizing. Yet because of the intense level of secrecy surrounding size formulations there are few who have more than a superficial understanding of sizings. Composite developers and researchers have a growing need for practical tools which can assist with the understanding of the nature and role of sizings on the glass fibres which reinforce their composites. This work reviews some of the most relevant articles from the widely dispersed literature around the analysis and characterisation of these polymeric sizings. The review covers the analysis and characterisation of the polymeric sizing layer on the glass fibre surface using high vacuum surface analysis techniques, thermal analysis, atomic force microscopy based techniques, surface energy analysis, infrared methods, and combined multiple analysis techniques. The conclusions highlight the fragmented nature of the knowledge base on sizings and the lack of reliable and reproducible reference materials on which to build real progress in the understanding of this critical technology.

show abstract

Surface characterization of silane-treated industrial glass fibers

Cited by 11 publications

References 30 publications

Nucleation and Growth of Metastable Polymorphs on Siloxane Monolayer Templates

Nucleation and Growth of Metastable Polymorphs on Siloxane Monolayer Templates

Protein attachment to silane-functionalized porous silicon: A comparison of electrostatic and covalent attachment

A review of the analysis and characterisation of polymeric glass fibre sizings

Contact Info

Product

Resources

About