نتایج جستجو برای: solid state polymerized polyamide

تعداد نتایج: 1011215  

2015
Mahroo Vojdani Rashin Giti

The purpose of this article was to review the biocompatibility, physical, and mechanical properties of the polyamide denture base materials. An electronic search of scientific papers from 1990-2014 was carried out using PubMed, Scopus and Wiley Inter Science engines using the search terms "nylon denture base" and "polyamide denture base". Searching the key words yielded a total of 82 articles. ...

N.sitophila was grown under controlled conditions of solid state and submerged fermentation on Sago hampas. The optimum conditions of protein enrichment previously established for sugar beet pulp was used for this study. Under this condition the protein content of Sago hampas under solid state increased from 1.4 to 14.45% (W/W) whereas for Sago hampas and Sago starch, the protein content under ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2012
Daniel R Dreyer Daniel J Miller Benny D Freeman Donald R Paul Christopher W Bielawski

Herein we propose a new structure for poly(dopamine), a synthetic eumelanin that has found broad utility as an antifouling agent. Commercially available 3-hydroxytyramine hydrochloride (dopamine HCl) was polymerized under aerobic, aqueous conditions using tris(hydroxymethyl)aminomethane (TRIS) as a basic polymerization initiator, affording a darkly colored powder product upon isolation. The pol...

2010
Zengshe Liu Sevim Z. Erhan

Ring-opening polymerization of epoxidized soybean oil (ESO) catalyzed by boron trifluoride diethyl etherate (BF3 OEt2) in methylene chloride was conducted in an effort to develop useful biodegradable polymers. The resulting polymerized ESO (PESO) were characterized using infrared (IR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), H NMR, C NMR, solid st...

Journal: :ACS nano 2018
Wei Liu Mani Ulaganathan Ibrahim Abdelwahab Xin Luo Zhongxin Chen Sherman Jun Rong Tan Xiaowei Wang Yanpeng Liu Dechao Geng Yang Bao Jianyi Chen Kian Ping Loh

Two-dimensional (2-D) polymer has properties that are attractive for energy storage applications because of its combination of heteroatoms, porosities and layered structure, which provides redox chemistry and ion diffusion routes through the 2-D planes and 1-D channels. Here, conjugated aromatic polymers (CAPs) were synthesized in quantitative yield via solid-state polymerization of phenazine-b...

Journal: :ACS Sustainable Chemistry & Engineering 2022

A naturally derived monomer, allylated gallic acid (AG), was herein proposed as a monomer for interfacially polymerized thin-film composite nanofiltration membranes. We investigated the synthesis of polyester membranes by varying concentration AG and reaction time with trimesoyl chloride. In addition, we demonstrated polyesteramide film using mixture m-phenylene diamine, although there are few ...

Journal: :Composites Part A-applied Science and Manufacturing 2021

In Resin Transfer Molding (RTM), resin precursors of thermoset or, more recently, thermoplastic polymers are generally employed, raising issues related to the chemical reaction taking place during and after part processing. this study, already polymerized polyamide-6 with low melt-viscosity (~30 Pa·s at 280 °C), is injected pressure (<30 bar) in a custom-made mold, so as impregnate glass fabric...

Journal: :journal of dentistry, shiraz university of medical sciences 0
mahroo vojdani biomaterial research center, school of dentistry, shiraz university of medical sciences, shiraz, iran. rashin giti postgraduate student, dept. of prosthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran.

the purpose of this article was to review the biocompatibility, physical, and mechanical properties of the polyamide denture base materials. an electronic search of scientific papers from 1990-2014 was carried out using pubmed, scopus and wiley inter science engines using the search terms “nylon denture base” and “polyamide denture base”. searching the key words yielded a total of 82 articles. ...

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