Michael Brook


Contact via McMaster University


Principaux champs de recherche
Chercheur(e)s associé(e)s
Organisations associées

Projets de recherche récents

Colloidal science aspects of crop protection with active pigment formulations

2016/17-2019/20 • $547,400 • PI,CO
Mixtures of paraffins and certain insoluble pigments help plants and grasses fight fungal diseases and greatly increase grass tolerance to low moisture conditions. This surprising finding has lead to a new family of crop protection chemicals marketed by Suncor (formerly Petro Canada). A team...

Creating Silicones: Exerting Control at Interfaces

2016/17-2019/20 • $364,000 • PI
In spite of their higher cost than organic alternatives, silicone polymers are found in almost every technological area of developed economies because of their unique interfacial behavior. Lacking efficient syntheses, most commercial silicone polymers are ill-defined mixtures with respect to...

Rapid routes to highly branched, interfacially active silicones

2017/18-2019/20 • $192,000 • PI
Silicone polymers are requisite materials in almost every technological area of developed societies, from antifoams, to wound dressings and intraocular lenses. Their susceptibility to acid and base means that facile and practical synthesis leads to complex mixtures of (lower value) materials...

Elemental Analysis Instrument for Characterizing Advanced Polymeric Materials, Nanostructures, and Composites

2018/19 • $85,451 • PI,CO
Accurate measurement of the chemical composition of new materials is absolutely essential for developing new technologies based on those materials. However, for materials like membranes, hydrogels, nanomaterials, or fibrous materials intensively studied by the co-applicants' groups, the most...

Reactive Silicone Inks for 3D Printing Using Microfluidic Mixers

2015/16-2017/18 • $549,500 • PI,CO
3D printing (additive manufacturing) is a disruptive technology making rapid inroads into commercial print-on-demand manufacturing and into the community. Silicones used in applications ranging from contact lenses to computer keyboard springs. They cure into rubbers too slowly to be used as...

NSERC CREATE Biointerfaces Training Program

2011/12-2016/17 • $1,300,000 • PI,CO
Our understanding of the nature of the biological/material interface, or biointerface, impacts all materials in biological media from contact lenses to blood contacting materials to diagnostic test strips and new bioseparation media. The CREATE Biointerfaces Training Program will provide unique...

Thermogravimetric Analysis Instrument

2016/17 • $150,000 • PI,CO
This application requests a thermogravimetric analysis (TGA) instrument that is capable of analyzing air sensitive samples, and can perform mass analysis on evolved gases to allow identification of decomposition products. The requested instrument, a TA Instruments Discovery TGA 550 with a...

Photo-Rheometer for Soft Material Characterization

2016/17 • $114,736 • PI,CO
Canada's strategic areas of innovation in energy, health, information, communication and natural resources, are all reliant upon material advancements. Soft materials, specifically polymers, contribute to many of the new products from these sectors. The underlying information critical to...

Reinforcing automotive rubber with lignin

2016/17 • $25,000 • PI
Rubber is an important constituent of automobiles, and an important Canadian product, including from our sponsor LANXESS. Carbon black has traditionally been used as a reinforcing agent for rubber, although its role is gradually being replaced by silica, which leads to lower rolling resistance,...

NSERC - SENTINEL - Bioactive Paper Strategic Network

2010/11-2015/16 • $7,594,000 • PI,CO
Bioactive paper that can detect and deactivate dangerous bacteria and viruses in food and water will deliver health benefits around the world. Bioactive Paper is a made-in-Canada concept articulated in the first phase (2005-2010) of the Sentinel Bioactive Paper Network, an NSERC strategic...

Exploiting the self-assembly of functional, biocompatible silicones

2011/12-2015/16 • $500,000 • PI
The self-assembly of surface-active molecules (surfactants) is a key process in domains ranging from cleaning applications (e.g., soaps) to biology - cell membranes are comprised of surfactant bilayers. Silicone-based surfactants have exceptional properties, but have only seen limited utility...

qNano: High-Resolution Nanoparticle Size and Charge Characterization

2015/16 • $48,247 • PI,CO
<p>Nanotechnology has led to significant scientific and technological advancements, all driven by the unique properties of materials as their size is reduced to the nanoscale and their surface comprises a significantly higher fraction of the total mass of the material. In this context, having...

Silicone-modified glycogen

2015/16 • $25,000 • PI
Mirexus is developing innovative technology to exploit their key product, a natural glycogen dendrimer produced from corn (CG for corn glycogen). The product, monodisperse poly(saccharidic) nanoparticles of about 70 nm in diameter in water, are highly hydrophilic, and have a very interesting...

20/20: NSERC Ophthalmic Materials Network

2010/11-2014/15 • $4,220,600 • PI,CO
Vision, arguably the most critical of the senses, is dependent on healthy ocular tissues. Unfortunately, disease, aging and congenital defects affect the health of these tissues. 20/20: NSERC Network for the Development of Advanced Opthalmic Materials brings together 11 Canadian researchers from...

Silicone surfactants in laundry formulations

2014/15 • $25,000 • PI
Laundry formulations include a complex mix of ingredients including surfactants, enzymes, builders, pH buffers, bleaches, etc. Dizolve Group Corporation wishes to expand their current offering of highly efficient, low dose, environmentally friendly laundry formulations. Silicones are used to...

New Silicones for Microelectronic Applications

2014/15 • $1,572 • PI
Aucun sommaire

Flexible silicone rubber solar cell (FSRSC)

2011/12-2013/14 • $284,298 • PI,CO
Aucun sommaire

633 nm Laser for Raman Instrument

2013/14 • $59,263 • PI,CO
Commercially produced carbon nanotubes are mixtures of multiple nanotube types, which range in conductivity properties from semiconducting to metallic. This mixture of nanotube types is detrimental to commercial applications, as devices require pure samples of either metallic or semiconducting...

Flexible silicone microstructured lenses

2010/11-2012/13 • $404,800 • PI,CO
Optical lenses are required for manydifferent applications in dailylife, ranging from contact lenses to headlamps on automobiles. Most lenses are large, rigid optical materials. We have demonstrated that lenses canbe created photochemicallyin situ within semi-rigid substrates. Byirradiating...

Metal-free, in-mold cure and polymer welding of silicone elastomers

2010/11-2011/12 • $229,480 • PI
Silicone rubbers are widely used in a variety of consumer and biomedical devices. Complex shapes for a variety of applications may be efficiently made using liquid silicone rubber injection molding (LIM). However, silicones are hydrophobic, water repellent materials. In certain applications,...

Silicone elastomer interactions with copper

2011/12 • $25,000 • PI
NUCO specializes in silicone elastomer technology using 'oxime-cure' chemistry, which offer certain advantages over the alternative alkoxy and acetoxy cure systems. However, depending on application conditions, the oxime off-gassing may lead to discolouration of brass, copper or other sensitive...

Silicone biocompatibility from interfacial control

2010/11 • $81,500 • PI
Aucun sommaire

Brevets

PROCEDES ET COMPOSES POUR FORMER DU DIOXYDE DE TITANE MONOLITHIQUE, EVENTUELLEMENT A DOPAGE BIOMOLECULAIRE, A MORPHOLOGIE CONTROLEE UTILISANT DES PROCEDES SOL-GEL

The present invention includes polyol modified titanium compounds, their preparation and use in methods to make biomolecule compatible monolithic tit ania. The invention also includes the use of the biomolecule compatible mono lithic titania in bioanalytic applications, for example in biosensors, chrom atographic columns, microarrays and bioaffinity columns.
Applications connexes: WO2007CA01693, CA20072664218

ELASTOMERES SILICONES MODIFICATEURS DE SURFACE

The present disclosure describes compounds of Formula (I) wherein m is 1 to 6, n is 6 to 10 and R1 is a straight or branch chain siloxane, their use in methods to modify the surface of hydrophobic substrates to render the substrates superhydrophilic and surface-modified substrates.
Applications connexes: CA20102772309, WO2010CA01319

SILICONES QUASI CYCLIQUES SANS SILOXANE

The present application provides a method for the preparation of siloxane oligomers or polymers essentially without the attendant co-generation of cyclic silicone oligomers by the addition of water, alcohols or alkoxysilanes to hydridosiloxanes in the presence of a Lewis acid, of which B(C6F5)3 is particularly suitable example. The mild and selective reaction permits the preparation of small linear and branched siloxane oligomers or polymers. Silicone oligomers provide alternatives to...
Applications connexes: CA20183006651

PROCÉDÉ DE CLIVAGE DE LIAISONS SOUFRE-SOUFRE ET SOUFRE-HYDROGÈNE DANS DES COMPOSÉS ORGANIQUES

La présente invention concerne un procédé à basse température pour réduire les liaisons S-S et/ou S-H dans des composés organiques, y compris des élastomères durcis au soufre, permettant par exemple la déréticulation de l'élastomère et la récupération de polymères organiques à partir de constituants inorganiques.
Applications connexes: WO2020CA50455

RÉSEAUX POLYMÈRES TRANSITOIRES

La présente invention concerne un procédé de préparation d'oligomères ou de polymères de siloxane modifiés par des sucres qui, eux-mêmes, ou après dilution dans un solvant approprié, deviennent épaississants par cisaillement et dissipateurs d'énergie.
Applications connexes: WO2020CA50771

DURCISSEMENT DE SILICONE SANS CATALYSEUR

La présente invention concerne un procédé de préparation d'élastomères de siloxane sans avoir besoin de catalyseurs par la réaction de silicones à modification aminoalkyle ou hydroxyalkyle avec du chlorure cyanurique ou des dianhydrides tels que le dianhydride d'EDTA ou le dianhydride pyromellitique.
Applications connexes: WO2020CA50770

ÉLASTOMÈRES DE SILICONE À DURCISSEMENT RAPIDE, EXEMPTS DE CATALYSEUR

La présente invention concerne un procédé de préparation rapide, sans catalyseur, d'élastomères de silicone à l'aide d'aminoalkylsilicones et d'aldéhydes aliphatiques qui peuvent se dissoudre dans de l'eau à une concentration d'au moins 2 % en poids, dans l'air ou sous l'eau. Les élastomères préparés par ce procédé présentent une bonne stabilité hydrolytique et peuvent être utilisés en tant qu'adhésifs ou agents d'étanchéité hydrophobes sous l'eau.
Applications connexes: WO2020CA51013