Coatings and surfactants based on oligovinylsiloxanes

Маркова, Г. Д.; Васнев, В. А.; Izmailov, B. A.; Naumkin, A. V.; Dvoryak, S. V.; Иванов, А. С.

doi:10.1134/s1560090417030125

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…Hydrolytic condensation of silanes and siloxanes bearing polar and small alkyl nonpolar substituents usually proceeds easily with formation of oligomers comprised up to 10 units. 8,9 In the case of triethoxy(octyl)silane, the hydrolytic condensation proceeds slowly because of spatial hindrances created by bulky nonpolar octyl groups. In fact, it did not occur in the absence of a catalyst even after boiling the reaction mixture for 20 h. Addition of a base, Russ.…”

Section: Methodsmentioning

confidence: 99%

Hydrophobic coatings based on triethoxy(octyl)silane

2020

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Hydrophobic coatings on cellulosic materials were obtained using triethoxy(octyl)silane and its dimer, 1,1,3,3-tetraethoxy-1,3-dioctyldisiloxane, as modifi ers. The structures of the modifi ers were studied. The effi ciency of the use of these modifi ers in producing hydrophobic coatings was demonstrated. The maximum contact angle of 135° is achieved with a modifi er content not exceeding 8% and with coating thickness of only 4 μm or less. The modifi ed materials retain their hydrophobic properties for a long time.

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Section: Methodsmentioning

confidence: 99%

Hydrophobic coatings based on triethoxy(octyl)silane

2020

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Preparation of siloxane coatings under microwave irradiation

et al. 2021

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Preparation and Properties Improvement of Decynediol-Ethoxylate-Modified Trisiloxane Surfactant

Li,

Zhang,

et al. 2024

Langmuir

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Silicone surfactants are increasingly used in the industrial field due to their advantages such as low surface energy, stable performance, and good biocompatibility. However, many polyether-modified silicone surfactants' foam stability and easy hydrolysis in non-neutral aqueous systems limit their application in many fields. In this article, the decynediol-ethoxylate chain segment was grafted onto heptamethyltrisiloxane to synthesize a modified trisiloxane surfactant (G2). FT-IR and 1 H NMR characterized its structure. Its surface activity, aggregation behavior, and wetting and spreading properties in water were studied by using instruments such as a surface tension meter, transmission electron microscope (TEM), dynamic light scattering (DLS), and contact angle tester. G2 can reduce the surface tension of water to 19.24 mN/m at a lower CMC (40.44 mg/L), and the foaming properties and hydrolysis stability of decynediol-ethoxylate-modified trisiloxane (G2) in water are significantly improved compared with allyl-polyoxyethylene-ether-modified trisiloxane (X5).

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Coatings and surfactants based on oligovinylsiloxanes

Cited by 4 publications

References 5 publications

Hydrophobic coatings based on triethoxy(octyl)silane

Hydrophobic coatings based on triethoxy(octyl)silane

Preparation of siloxane coatings under microwave irradiation

Preparation and Properties Improvement of Decynediol-Ethoxylate-Modified Trisiloxane Surfactant

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