HARSH ENVIRONMENT COATINGS HISTORY An address prepared for the
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HARSH ENVIRONMENT COATINGS HISTORY An address prepared for the HARSH ENVIRONMENT COATINGS HISTORY An address prepared for the Presentation Transcript

  • HARSH ENVIRONMENT COATINGS HISTORY An address prepared for the SCANZ 2003 Convention by Peter Walters
  • PREHISTORIC CAVE PAINT
  • ~30,000 BP
    • Chauvet -Pont-d’Arc c ave
  • ~30,000 B P
    • Chauvet -Pont-d’Arc cave
    • No binder or mixed with clay wall
  • ~30,000 B P
    • Chauvet -Pont-d’Arc cave
    • No binder or mixed with clay wall
    • Charcoal & mineral oxides
  • ~30,000 B P
    • Chauvet -Pont-d’Arc cave
    • No binder or mixed with clay wall
    • Charcoal & mineral oxides
    • Applied by hand or charcoal stick
  • ~17,000 B P
    • Lascaux cave
  • ~17,000 BP
    • Lascaux cave
    • Natural manganese and iron oxide pigmentation
  • ~17,000 BP
    • Lascaux cave
    • Natural manganese and iron oxide pigmentation
    • No binder
  • ~17,000 BP
    • Lascaux cave
    • Natural manganese and iron oxide pigmentation
    • No binder
    • Applied by horsehair brush
  • FIRST RECORDED MARINE COATING
  • ~6,000 BP
    • Noah’s ark
  • ~6,000 BP
    • Noah’s ark
    • Earliest written account of coating
  • ~6,000 B P
    • Noah’s ark
    • Earliest written account of coating
    • Natural pitch
  • ~6,000 B P
    • Noah’s a rk
    • Earliest w ritten a ccount of c oating
    • N atural p itch
    • Had to l ast at l east 190 d ays
  • ~5,000 BP
  • ~4,000 BP
  • ~2,000 BP
  • THE MODERN ERA
  • 1777-1779
    • First iron bridge
  • 1777-1779
    • First iron bridge
    • 1787: Deep lead colour for iron
  • 1777-1779
    • First iron bridge
    • 1787: Deep lead colour for iron
    • 1950: 3 coats bituminous paint
  • 1777-1779
    • 1787: Deep lead colour for iron
    • 1950: 3 coats bituminous paint
    • 1980: 5 coats, Tung oil phenolic MIO finish
  • 1777-1779
    • 1980: 5 coats, Tung oil phenolic MIO finish
    • 1999: two contrasting colour coats of urethane alkyd MIO finish
  • 28 th December 1879 Tay Bridge Disaster
  • 21/12/1882 - 5/3/1890 First Substantial Steel Structure
  • Quebec Bridge 1917
  • 21/12/1882 - 5/3/1890 First Substantial Steel Structure
  • 1887 Supports Reach Intended Height
    • All steelwork was scraped down and dipped in hot boiled linseed oil at the workshop
  • 1888 - 1889 C antilever Arms Extended From Base
    • Dipped in hot boiled linseed oil
    • 1 coat red lead in linseed oil primer
  • SEPTEMBER 1889 Cantilever Arms Almost Touching
    • Dipped in hot boiled linseed oil
    • 1 coat red lead in linseed oil primer
    • Interiors: 2 coats white lead paint
  • 6 NOVEMBER 1889 Cantilevers Touch
    • Dipped in hot boiled linseed oil
    • 1 coat red lead in linseed oil
    • Externals: 2 coats Forth Bridge red oxide of iron
  • 5 MARCH 1890 Firth of Forth Rail Bridge Inaugurated
  • FORTH BRIDGE RED OXIDE OF IRON Used until Mid 1970’s Finest Quality Spanish Red Oxide (Minimum 88% Fe2O3) 68% Boiled Linseed Oil 28% Turpentine & Driers 4% Volume Solids = 95%
  • FORTH BRIDGE RED OXIDE Used mid 1970’s to mid 1990’s Styrenated Alkyd Industrial Enamel Red Oxide Volume Solids = 65%
  • Forth Bridge Maintenance
  • Painters at work in the 1950s
  • Painters at work today
  • Repainting the Forth Bridge
  •  
  • THE END
  • References (1/2):
    • www.culture.gouv.fr/culture/arcnat/chauvet/en/
    • www.culture.fr/culture/arcnat/lascaux/en/index3.html
    • The New English Bible, Oxford University Press 1970.
    • www.scotland.gov.uk/pages/news/junior/jxa_12.aspx.
    • www.forthbridges.org.uk/railbridgemain.htm.
    • By e-mail in private communication with Colin Mitchell-Rose from Craig & Rose Ltd.
    • www.pbs.org/wgbh/buildingbig/wonder/structure/firth_of_forth.html.
    • www.lawrieweb.com/ea/ea02.html
  • Reference (2/2):
    • History of Painting by Russ Godfrey. The New Zealand Painter & Decorator, August 1991, P.16.
    • PCI, Paint & Coatings Industry. Century of Paint. January 2000, pp 54.
    • www.cyber-antiques.net/ironbridge.htm
    • www.virtual-shropshire.co.uk/ironbridge-tour/025c.htm
    • By e-mail in private communication with David de Haan, Deputy Director, Ironbridge Gorge Museum Trust.
    • www.heritage.scotsman.com
    • Things we Need - Paint
    • www.goldengate.org
    • Chinese lacquer: an age-old polymer. Shell Polymers Vol 6, No 2 1982.
    • filebox.vt.edu/users/aschaeff/tay/tay.html
    • www.ironbridge.org.uk