publication . Thesis

Thermo-analytical and physico-chemical characterisation of organoclays and polymer-clay nacomposites.

Cunningham, Andrew.;
Open Access English
  • Publisher: Sheffield Hallam University,
  • Country: United Kingdom
Abstract
A variety of modified clay minerals have been screened to determine their effectiveness as agents for the production of polystyrene-clay nanocomposites. The n-alkylammonium and n-alkyltrimethylammonium surfactants employed to compatibilise the aluminosilicate layers of the minerals were shown to degrade through a series of stages and mechanisms to yield a hydrocarbon product mixture consisting of a homologous series of saturated and unsaturated hydrocarbons, also, the dehydrocyclisation (DHC) of fragmented alkyl chains was shown to lead to the production of various ring compounds which included substituted cycloalkenes, benzene and toluene.The thermal stability ...
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2.1.2.1 Na-MCBP / Quaternary Ammonium Exchange.

2.1.2.2 Tal5-MMT (C15A), Ta20-MMT (C20A) and Bz-MMT (C10A).

2.1.2.3 Silane m odified MMT (Scott-Bader).

2.1.2.4 Phenylphosphonic a cid (PPA) m odification of Kaolin.

2.2.3.1 PSCN - Sample Mass and Mixing speed.

2.2.3.2 PSCN - 1st Cure Profile.

2.2.3.3 PSCN - 2nd Cure Profile.

2.4.1.1 XRD Theory.

2.4.1.2 XRD Analysis.

2.4.1.3 XRD Experimental Parameters. Thermogravimetric Analysis (TGA).

2.4.2.1 Thermal Analysis Theory.

2.4.2.2 TGA Analytical Process.

2.4.2.3 TGA Experimental Parameters. Evolved gas Analysis (EGA) by Thermogravimetric-Mass Spectrom etry (TG-MS).

2.4.3.1 EGA by TG-MS.

2.4.3.2 Mass spectrom eter. 2.4.3.2.1 Ion Source. 2.4.3.2.2 Ion analyser (Quadrupole). 2.4.3.2.3 Mass d e te cto r.

29 references, page 1 of 2
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