Fundamentals of sol-gel dip coating

Brinker, C. Jeffrey; Frye, G.C.; Hurd, A.J.; Ashley, Carol S.

doi:10.1016/0040-6090(91)90158-t

Cited by 587 publications

(396 citation statements)

References 7 publications

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“…A polyisobutylene solution is casted on the surface of the fiber by dip coating. Dip coating is widely used to make multilayered fibers [55][56][57] .…”

Section: The Chemstry Of Dip-coating Butyl Rubber Onto Hydrogelmentioning

confidence: 99%

Wearable and Washable Conductors for Active Textiles

Floch

Yao

Liu

et al. 2017

ACS Appl. Mater. Interfaces

138

116

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ABSTRACT:The emergence of stretchable electronics and its potential integration with textiles have highlighted a challenge: textiles are wearable and washable, but electronic devices are not. Many stretchable conductors have been developed to enable wearable active textiles, but little has been done to make them washable. Here we demonstrate a new class of stretchable conductors that can endure wearing and washing conditions commonly associated with textiles.Such a conductor consists of a hydrogel, a dissolved hygroscopic salt, and a butyl rubber coating.The hygroscopic salt enables ionic conduction, and matches the relative humidity of the hydrogel 2 to the average ambient relative humidity. The butyl rubber coating prevents the loss and gain of water due to the daily fluctuation of ambient relative humidity. We develop the chemistry of dip coating the butyl rubber onto the hydrogel, using silanes to achieve both the crosslink of the butyl rubber and the adhesion between the butyl rubber and the hydrogel. We test the endurance of the conductor by soaking it in detergent while stretching it cyclically, and by machinewashing it. The loss of water and salt is minimal. It is hoped that these conductors open applications in healthcare, entertainment, and fashion.3

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“…A polyisobutylene solution is casted on the surface of the fiber by dip coating. Dip coating is widely used to make multilayered fibers [55][56][57] .…”

Section: The Chemstry Of Dip-coating Butyl Rubber Onto Hydrogelmentioning

confidence: 99%

Wearable and Washable Conductors for Active Textiles

Floch

Yao

Liu

et al. 2017

ACS Appl. Mater. Interfaces

138

116

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“…In the solution preparation step, Brinker et al [47] briefly explained that the sol-gel process involved the use of solid inorganic or metal organic compounds as precursors in a solvent forming a colloidal dispersion. For more detail, in aqueous or organic solvents, these precursors were hydrolyzed and condensed to form inorganic polymers (network) composed of oxo (M-O-M) or hydroxo (M-OH-M) bonds.…”

Section: Sol-gel Synthesis Processmentioning

confidence: 99%

“…Thus, the sol-gel process is low-cost and efficient in energy consumption and much easier to prepare using normal calcination process compared to the vacuum process. The most significant advantage of sol-gel over other established coating methods is its ability to tailor the microstructure of the deposited film [47] at low temperatures. This paper reviews the developments in the synthesis of flat-plate SSA materials produced by sol-gel methods.…”

Section: Introductionmentioning

confidence: 99%

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Amri

Jiang

Pryor

et al. 2014

Renewable and Sustainable Energy Reviews

144

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“…However, for deposition of sensor material on the inside of containers, or when several different sensor materials are to be deposited in separate areas on the same surface, these coating methods are not feasible. In present commercial applications of this sensor technology 4,5 patches with sensor material are fabricated and manually glued to the inside of containers.…”

Section: Introductionmentioning

confidence: 99%

“…Coatings of sol-gel material can be produced using dip-, spray-, or spin-coating [5][6][7], and homogeneous thin films of sol-gel sensor material, which are required for obtaining fast and uniform response times of the optical sensors, have been demonstrated on dip-coated substrates [4]. However, for deposition of sensor material on the inside of containers, or when several different sensor materials are to be deposited in separate areas on the same surface, these coating methods are not feasible.…”

Section: Introductionmentioning

confidence: 99%

Controlled deposition of sol–gel sensor material using hemiwicking

Mikkelsen

Marie

Hansen

et al. 2011

J. Micromech. Microeng.

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Optical sensors are fabricated by depositing liquid sol-gel sensor material on a polycarbonate surface, which has been decorated with arrays of periodic micropillars. Using the principle of hemiwicking, the liquid material is spread, guided by the surface structures, to homogeneously fill the volume between the surface structures and form a liquid film with a thickness determined by the height of the micropillars. After evaporation of solvents, a uniform layer of sensor material resides on the surface. This fabrication method enables easy and reproducible deposits of isolated spots of different sensor materials of precise thickness to be made on plastic surfaces, and it provides an improved method for fabricating cheap optical sensors integrated in disposable lab containers.

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Fundamentals of sol-gel dip coating

Cited by 587 publications

References 7 publications

Wearable and Washable Conductors for Active Textiles

Wearable and Washable Conductors for Active Textiles

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Controlled deposition of sol–gel sensor material using hemiwicking

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