Armand de Waele
Encyclopedia
Armand de Waele was a British
British people
The British are citizens of the United Kingdom, of the Isle of Man, any of the Channel Islands, or of any of the British overseas territories, and their descendants...

 chemist
Chemist
A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

, noted for his contributions to rheology
Rheology
Rheology is the study of the flow of matter, primarily in the liquid state, but also as 'soft solids' or solids under conditions in which they respond with plastic flow rather than deforming elastically in response to an applied force....

, and after whom the Ostwald-de Waele
Power-law fluid
A Power-law fluid, or the Ostwald–de Waele relationship, is a type of generalized Newtonian fluid for which the shear stress, τ, is given by\tau = K \left^n where:...

 relationship for non-Newtonian fluid
Non-Newtonian fluid
A non-Newtonian fluid is a fluid whose flow properties differ in any way from those of Newtonian fluids. Most commonly the viscosity of non-Newtonian fluids is not independent of shear rate or shear rate history...

s is named.

de Waele was born in Islington
Islington
Islington is a neighbourhood in Greater London, England and forms the central district of the London Borough of Islington. It is a district of Inner London, spanning from Islington High Street to Highbury Fields, encompassing the area around the busy Upper Street...

, London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, in 1887, the son of a Belgian father and French
French people
The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

 mother. He held dual nationality until the age of 21, when he chose to be a British rather than Belgian. He obtained a BSc
BSC
BSC is a three-letter abbreviation that may refer to:Science and technology* Bachelor of Science , an undergraduate degree* Base Station Controller, part of a mobile phone network; see: Base Station subsystem...

  from the Regent Street Polytechnic
University of Westminster
The University of Westminster is a public research university located in London, United Kingdom. Its origins go back to the foundation of the Royal Polytechnic Institution in 1838, and it was awarded university status in 1992.The university's headquarters and original campus are based on Regent...

 then worked in the paint
Paint
Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is converted to an opaque solid film. One may also consider the digital mimicry thereof...

 and linoleum
Linoleum
Linoleum is a floor covering made from renewable materials such as solidified linseed oil , pine rosin, ground cork dust, wood flour, and mineral fillers such as calcium carbonate, most commonly on a burlap or canvas backing; pigments are often added to the materials.The finest linoleum floors,...

 industries. In 1914 he married a Frenchwoman with whom he had two sons, and the same year was conscripted into the Royal Flying Corps
Royal Flying Corps
The Royal Flying Corps was the over-land air arm of the British military during most of the First World War. During the early part of the war, the RFC's responsibilities were centred on support of the British Army, via artillery co-operation and photographic reconnaissance...

.

After the First World War he joined Gestetner
Gestetner
The Gestetner, named after its inventor David Gestetner, is a duplicating machine brand and company.David Gestetner, born in Csorna, Hungary, moved to London, England, and in 1881 established the Gestetner Cyclograph Company to produce stencils, styli, ink rollers, etc. He guarded his invention...

 as Chief Research Chemist, where he remained till 1957 when he retired. During this period he published 30 papers on rheology and patents on duplicating as well as a book. He was a Fellow of the Royal Institute of Chemistry
Royal Institute of Chemistry
The Royal Institute of Chemistry was a British scientific organisation.Founded in 1877 as the Institute of Chemistry of Great Britain, its role was to focus on qualifications and the professional status of chemists, and its aim was to ensure that consulting and analytical chemists were properly...

 and of the Institute of Physics
Institute of Physics
The Institute of Physics is a scientific charity devoted to increasing the practice, understanding and application of physics. It has a worldwide membership of around 40,000....

.

Some Publications

  • http://www.archive.org/details/rubberresinspai00waelgoog R.S. Morrell, A. de Waele (1920) Rubber, Resins, Paints and Varnishes (Van Nostrand)
  • A. de Waele Journal of the Oil & Colour Chemists Association (1923) 6, pp33–69 "Viscometry and Plastometry"
  • US Patent 1744755 (1930) Stencil sheet for use in duplicating
  • US Patent 1828766 (1931) Production of stencil sheets for use in duplicating
  • US Patent 1819078 (1931) Stencil sheet for use in duplicating typewritten or manuscript documents, drawings and the like*US Patent 1910005 (1933) Vulcanized or sulphurized oil composition
  • http://journal.scconline.org/pdf/cc1956/cc007n04/p00336-p00346.pdf Journal of the Society of Cosmetic Chemists (1956) 7, 4, pp336–346 "Introduction to the Rheology of Disperse Systems"
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