Results 1 to 10 of about 21,363 (295)

Effects of household water-repellent agents and number of coating layers on the physical properties of cotton woven fabrics. [PDF]

open access: yesPLoS ONE, 2023
The increased interest in outdoor activities has prompted the demand for water-repellent fabrics that can withstand various environmental factors. In this study, the water repellency and physical properties, namely thickness, weight, tensile strength ...
Seyeon Kim   +5 more
doaj   +2 more sources

Water-entry pressure in water repellent soils: a review [PDF]

open access: yesE3S Web of Conferences, 2020
Water repellent soils can be naturally promoted (e.g. after wildfires) or synthetically induced by mixing with hydrophobic compounds (e.g. polydimethylsiloxane).
Xing Xin, Lourenço Sérgio D.N.
doaj   +5 more sources

Strength and Water-Repelling Properties of Cement Mortar Mixed with Water Repellents [PDF]

open access: yesMaterials, 2021
In this study, the compressive strength and water contact angle of mortar specimens prepared by mixing two types of water repellent with ordinary Portland cement (OPC) and rapid-hardening cement mortar were measured before and after surface abrasion.
Hyeju Kang, Sukpyo Kang, Byoungky Lee
openaire   +2 more sources

Basic physical and mechanical properties of water repellent sand-clay mixed soil

open access: yesYantu gongcheng xuebao, 2023
The water repellent soil has many excellent properties. At present, its use is mainly aimed at the water repellent sand. In order to expand the application scope of the water repellent soil, a series tests are carried out. The results show that the loose
YANG Song 1, HUANG Yinghao 2
doaj   +1 more source

Impact force of post-fire debris flows over erodible beds [PDF]

open access: yesE3S Web of Conferences, 2023
After wildfire events, water repellent soil is often found in the subsurface layer of channel bed in the burnt area. Debris flows generated from burnt basins and ensuing entrainment of the channel bed pose imminent threat to infrastructure and human ...
Zheng Min   +3 more
doaj   +1 more source

Anti-paste Bag Performance of Water-repellent Filter Media in High-humidity Environments Considering Ultra-low Emissions

open access: yesAerosol and Air Quality Research, 2023
This study performed surface treatment of Flumex, polyimide, and membrane-covered aramid (chosen as test substrates) by the C8-1833 water-repellent agent.
Zhongkai Yu   +3 more
doaj   +1 more source

ATTRACTANT AND REPELLENT EFFECT OF EXTRACTS OF WATER AND HEXAN OF CUMIN AND FENNEL SEEDS ON KHABRA BEETLE TROGODERMA GRANARIUM (EVERT) [PDF]

open access: yesMesopotamia Journal of Agriculture, 2012
Result of attractant and repellent effect at three concentration 1 ,3 and 5 % of water and hexen cumin and Fennel seeds extracts on Khabra larvae feeding on wheat seeds, showed that both extract types had repellent effect at all concentrations ...
Wafa abid yehya
doaj   +1 more source

Synthesis and Performance Analysis of Green Water and Oil-Repellent Finishing Agent with Di-Short Fluorocarbon Chain

open access: yesMolecules, 2023
A novel fluorine-containing water-repellent agent (OFAE-SA-BA) was designed and synthesized by emulsion copolymerization, which was used to replace the commercial long fluorocarbon chain water-repellent agent.
Yanli Li   +6 more
doaj   +1 more source

Influence of Water-Repellent Treatment with Silicon Resin on Properties of Concrete

open access: yesAdvances in Materials Science and Engineering, 2019
Although studies on water-repellent properties of silicon resin (SR) on cement-based materials have received tremendous attention around the world in recent years, they mainly focus on individual properties of water-repellent concrete treated with SR ...
Yupeng Tian   +5 more
doaj   +1 more source

Peningkatan ketahanan suhu dingin kulit atasan sepatu melalui pengurangan daya penyerapan air dan pengaruhnya terhadap sifat fisik dan morfologi

open access: yesMajalah Kulit, Karet, dan Plastik, 2017
A research has been undertaken to increase the cold resistance of upper leather by decreasing its water absorption ability. Fluorinated acrylic polymer, a water repellent substance, was added at fatliquoring and finishing stages of upper leather with ...
Prayitno, Emiliana Kasmudjiastuti
doaj   +1 more source

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