Tetraethyl orthosilicate-containing dispersion coating — water vapor and liquid water barrier properties-Reference-Cited by-同舟云学术

Tetraethyl orthosilicate-containing dispersion coating — water vapor and liquid water barrier properties

Published:2021-10-01 Issue:9 Volume:20 Page:583-595
ISSN:0734-1415
Container-title:September 2021
language:en
Short-container-title:TJ

Author:

MESIC BEKO,CAIRNS MATHEW,JOHNSTON JAMES,PATEL MEETA

Abstract

An aqueous styrene-butadiene latex dispersion coating containing in-situ processed tetraethyl orthosilicate (TEOS) applied on paperboard demonstrated improved water barrier performance. Coatings containing TEOS equivalent to 0.8% silicon dioxide (SiO2; dry basis) exhibited water vapor performance of < 25 g/m2/day (23°C, 50% relative humidity [RH]) and liquid water barrier performance Cobb 1800 s of < 6 g/m2, when applied as a single-layer 18 g/m2 coating. Cobb 1800 s barrier performance was still good (< 11 g/m2) at coat weights of 7–10 g/m2. The use of filler materials such as kaolin improved the vapor barrier properties of the coating, but this was not critical to the liquid water barrier properties.

Publisher

TAPPI

Subject

Mechanical Engineering,General Materials Science,Media Technology,General Chemical Engineering,General Chemistry

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