Paper hydrophobization + patent + silicone
WebMay 15, 2024 · (a) untreated native filter paper, (b) native filter paper treated with TOS and (c) TOS-coated paper modified by SDS. The hydrophobic siliconized surface was probably covered by surfactants with the alkyl chain, resulting in changing into the hydrophilic surface with the hydrophilic groups. WebThe proposed aqueous emulsions contain the following components: components (A), selected from (A1) C1-C20- alkyl-C2-C6-alkoxysilanes and (A2) alkoxy groups containing organopolysiloxane; (B)...
Paper hydrophobization + patent + silicone
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WebApr 27, 2024 · Hydrophobization of paper intended for packaging. ... materials such as silicone, titanium oxide and other materials ... Patent Application Publication (2006) US … WebAccording to the present invention a hydrophobic paper is manufactured by adding a sizing additive at the wet end of a paper manufacturing process. The sizing additive is based …
WebAs a means to impart hydrophobicity, there are two main challenges. First, one has to figure out a way to convey a water-reactive hydrophobic compound in a water phase. The second challenge is that energy needs to be expended in a subsequent drying step. WebJun 1, 2024 · The standard process for hydrophobization of paper is sizing where hydrophobic sizing agents are applied either to the surface of the paper (surface sizing) [ …
WebMay 13, 2024 · There are known methods of paper hydrophobization using alkoxysilanes with substituents (e.g., isocyanate [23,24] ... In addition, the new granulated silicone … WebA new method of paper hydrophobization was evaluated based on a coating agent containing a water emulsion of triethoxymethylsilane with standard starch solutions. The effects of different concentrations on the hydrophobic properties of the resulting
WebHydrophobization fiber of the invention is poly- with the methyl hydrogen being crosslinked using zinc stearate as crosslinking agent by making The film of the elastomer silicone of …
Web1. In a process for the hydrophobization by means of an organohalosilane, steam and inert gas in a fluidized bed reactor of a pyrogenically produced silica made from a silicon … stanford public health clinic albuquerqueWebJun 25, 2013 · The hydrophobization of cellulose by internal and surface sizing might be insufficient to meet the requirements for water resistance of packaging materials. Then, conventional barrier coatings should become rather thick, with accumulation of chemicals and/or poor recyclability that change the environmental impact. perspective corporationWebThe invention relates to a process for the hydrophobization of particulate solid containing Si-OH groups and the use of the hydrophobic particulate solid obtained in a process for the preparation... stanford public health phdWebA new method of paper hydrophobization was evaluated based on a coating agent containing a water emulsion of triethoxymethylsilane with standard starch solutions. The … perspective custom methodWebDec 1, 2024 · Paper is an inherent hydrophilic material due to the hydroxyl groups contained in cellulose, which limits its applications in packaging materials. This study proposed a simple one-step method for preparing hydrophobic paper by introduction of chitin nanocrystals (ChNCs) and hexadecyltrimethoxysilane (HDTMS). perspective cubesWebYet another method of giving paper hydrophobic properties utilizes resins containing silicon, which form silicate nanoparticles in situ from tetraethoxysilane and … perspective databaseWebJPS5877887A JP57165186A JP16518682A JPS5877887A JP S5877887 A JPS5877887 A JP S5877887A JP 57165186 A JP57165186 A JP 57165186A JP 16518682 A JP16518682 A JP 16518682A JP S5877887 A JPS5877887 A JP S5877887A Authority JP Japan Prior art keywords lipophobization hexafluoropropyl hydrophobization oxy manufacture Prior art … perspectivedepthtoviewz