Abstract: The present disclosure relates to a barrier composition comprising a modified or unmodified starch, a plasticizer, and an MFC, and to a method for producing the barrier composition and the use thereof, such as in a multi-layer structure comprising the barrier composition and a carrier layer. Methods for producing a multi-layer structure comprising a barrier composition are also disclosed, and can be applied in order to obtain an article that comprises the multi-layer structure.
Type:
Application
Filed:
July 29, 2021
Publication date:
October 5, 2023
Applicants:
SUZANO S.A, FUNDAÇÃO UNIVERSIDADE FEDERAL DE SÃO CARLOS - UFSCAR
Inventors:
Germano Andrade SIQUEIRA, Richieli Teles VIEIRA, Vitor Hugo DE LIMA, Alessandra De Almeida LUCAS, Francys Kley Vieira MOREIRA, Gustavo Adolfo Duarte URUEÑA
Abstract: The present invention relates to a method of synthesis of zeolitic LTA adsorbents containing intercrystalline mesoporosity and controlled particle size, which can, for example, be used in natural gas dehydration processes, seeking to comply not only with the specifications on moisture content in the natural gas, but also improving the efficiency of the gas drying process in regard to the adsorption kinetics, not compromising the adsorption capacity, water selectivity, and the regeneration cycles of the adsorbent. Another possible application of these compounds is as the support for catalysts for oil refining processes. The method of obtaining the zeolitic adsorbent solids, the purpose of this invention, consists of including an aging step of the reaction mixture in conjunction with the addition of N,N-dimethyl-N-[3-(trimethoxysilane)propyl]octadecyl ammonium chloride (TPOAC) to the reaction mixture.
Type:
Application
Filed:
August 6, 2021
Publication date:
February 24, 2022
Applicants:
Petróleo Brasileiro S.A. - Petrobrás, FUNDAÇÃO UNIVERSIDADE FEDERAL DE SÃO CARLOS - UFSCAR
Inventors:
Darley Carrijo De Melo, Wilson Mantovani Grava, Dilson Cardoso, Jailson De Arruda Araújo