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Articles by Peter Budd
A refinery in a thin film
Skip to main content Main content starts here Abstract Many chemicals, pharmaceuticals, and petrochemicals must be isolated from a mixture of various molecules. Traditional separation processes such as distillation not only require a great deal of energy but also generate large amounts of greenhouse gases (1). An attractive alternative is reverse osmosis that filters liquid solutions through a semipermeable, thin membrane by applying pressure.
A Dominant Mutation in Gαs‐Protein Increases Hair Pigmentation
The mutant Gαs protein leads to increased pigmentation in melanocytes in culture, which is not further enhanced by stimulation of MC1R, suggesting melanogenesis is saturated in the mutant. Study of mouse mutations has enabled the dissection of molecular pathways in melanocyte development and cell biology and mutagenesis screens have discovered additional mouse mutations that inform on melanocyte biology.
Impact of Polymer Topology on Physical Aging of Thin Film Composite Membranes Based on PIM-1, cPIM-1, and Associated Blends
Introduction Click to copy section linkSection link copied! The archetypal polymer of intrinsic microporosity, PIM-1, has been extensively studied in membranes for gas separation applications since its initial report in 2004, (1) with self-standing membranes exhibiting a large scatter in initial CO2 permeability (typically 3000–9000 barrer) and CO2/N2 selectivity (12–28) across different studies (Figure S1 and Table S1).
Stiffening and softening of freshly prepared and aged CTA, PTMSP, and PIM‐1 films exposed to volatile compounds
1 INTRODUCTION Polymer-based separation membranes are frequently prepared from polymers which are in the glassy state at ambient temperature, such as from cellulose triacetate (CTA), poly[1-(trimethylsilyl)-1-propyne] (PTMSP), the archetypal polymer of intrinsic microporosity (PIM-1), Matrimid®, polyacrylonitrile (PAN), poly(ether imide) (PEI), poly(sulfone) (PSf), or Nafion.1-6 This, however, implies that the relaxation of the glasses, which causes changes in their properties and depends on...
Gateley - Beware of ‘change of banking details’ fraudulent schemes
As a listed business, delivering results is a must. However, for Gateley, delivering results is not just about delivering financial results. As a signatory to the Better Business Act, we believe that we can be a force for good, benefitting our people, clients, communities and the environment while also delivering profit.
The potential of polymers of intrinsic microporosity (PIMs) and PIM/graphene composites for pervaporation membranes
Abstract Pervaporation (PV), a membrane process in which the feed is a liquid mixture and the permeate is removed as a vapour, offers an energy-efficient alternative to conventional separation processes such as distillation, and can be applied to mixtures that are difficult to separate, such as azeotropes. Here the principles of pervaporation and its industrial applications are outlined.
Correction to Hydroxyalkylaminoalkylamide PIMs: Selective Adsorption by Ethanolamine- and Diethanolamine-Modified PIM-1
Correction to Hydroxyalkylaminoalkylamide PIMs: Selective Adsorption by Ethanolamine- and Diethanolamine-Modified PIM-1Macromolecules, Article ASAPDOI: 10.1021/acs.macromol.7b02289Publication Date (Web): November 8, 2017Copyright © 2017 American Chemical Society ACS AuthorChoice - This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
Cinderella of the Polymer World
Water- soluble polymers - whether derived from nature or entirely man-made - tend to get forgotten Handbook of industrial water soluble polymers Peter A Williams (ed) Oxford: Blackwell Publishing | 2007 | 331pp | ?99.50 (HB) | ISBN 9781405132428 Reviewed by Peter Budd Mention the word ’polymer’ and we usually think of things like polythene bags, polystyrene cups and plastic pipes, none of which show an affinity for water.
Cinderella of the Polymer World
Handbook of industrial water soluble polymers Peter A Williams (ed) Oxford: Blackwell Publishing | 2007 | 331pp | ?99.50 (HB) | ISBN 9781405132428 Reviewed by Peter Budd Mention the word ’polymer’ and we usually think of things like polythene bags, polystyrene cups and plastic pipes, none of which show an affinity for water. Water- soluble polymers - whether derived from nature or entirely man-made - tend to get forgotten, despite the numerous useful jobs they do.
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