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About Paint
What is paint?
ï‚— 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. It is most commonly
 used to protect, color or provide texture to objects.
History
ï‚— In 2011, South African archeologists reported finding a
 100,000 year old human-made ochre-based mixture
 which may have been used like paint.[1] Cave
 paintings drawn with red or yellow ochre,
 hematite, manganese oxide, and charcoal may have
 been made by early Homo sapiens as long as 40,000
 years ago.
ï‚— Ancient colored walls at Dendera, Egypt, which
 were exposed for years to the elements, still
 possess their brilliant color, as vivid as when they
 were painted about 2,000 years ago. The
 Egyptians mixed their colors with a gummy
 substance, and applied them separate from each
 other without any blending or mixture. They
 appeared to have used six colors: white, black,
 blue, red, yellow, and green. They first covered
 the area entirely with white then traced the
 design in black, leaving out the lights of the
 ground color. They used minium for red, and
 generally of a dark tinge.
ï‚— Pliny mentions some painted ceilings in his
 day in the town of Ardea, which had been
 done prior to the foundation of Rome. He
 expresses great surprise and admiration at
 their freshness, after the lapse of so many
 centuries.

ï‚— Paint was made with the yolk of eggs and
 therefore, the substance would harden and
 stick onto the surface it is applied to.
 Pigments were made from plants, sands,
 and different soil types.
Requirement

ï‚— Pigments - Pigments are granular solids incorporated
 into the paint to contribute color, toughness, texture,
 give the paint some special properties or simply to
 reduce the cost of the paint. Alternatively, some paints
 contain dyes instead of or in combination with
 pigments.

ï‚— Granular-small pieces
Requirements
ï‚— Binder, vehicle, or resins
ï‚— The binder, commonly referred to as the vehicle, is the
 actual film forming component of paint. It is the only
 component that must be present; other components
 listed below are included optionally, depending on the
 desired properties of the cured film.
ï‚— Solvent
ï‚— The main purposes of the solvent are to adjust the curing
 properties and viscosity of the paint. It is volatile and does
 not become part of the paint film. It also controls flow and
 application properties, and affects the stability of the paint
 while in liquid state. Its main function is as the carrier for the
 non volatile components. In order to spread heavier oils (i.e.
 linseed) as in oil-based interior housepaint, a thinner oil is
 required.
ï‚—Additives
ï‚—Besides the three main categories of
 ingredients, paint can have a wide
 variety of miscellaneous additives,
 which are usually added in very
 small amounts and yet give a very
 significant effect on the product
About Paint

More Related Content

About Paint

  • 2. What is paint? ï‚— 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. It is most commonly used to protect, color or provide texture to objects.
  • 3. History ï‚— In 2011, South African archeologists reported finding a 100,000 year old human-made ochre-based mixture which may have been used like paint.[1] Cave paintings drawn with red or yellow ochre, hematite, manganese oxide, and charcoal may have been made by early Homo sapiens as long as 40,000 years ago.
  • 4. ï‚— Ancient colored walls at Dendera, Egypt, which were exposed for years to the elements, still possess their brilliant color, as vivid as when they were painted about 2,000 years ago. The Egyptians mixed their colors with a gummy substance, and applied them separate from each other without any blending or mixture. They appeared to have used six colors: white, black, blue, red, yellow, and green. They first covered the area entirely with white then traced the design in black, leaving out the lights of the ground color. They used minium for red, and generally of a dark tinge.
  • 5. ï‚— Pliny mentions some painted ceilings in his day in the town of Ardea, which had been done prior to the foundation of Rome. He expresses great surprise and admiration at their freshness, after the lapse of so many centuries. ï‚— Paint was made with the yolk of eggs and therefore, the substance would harden and stick onto the surface it is applied to. Pigments were made from plants, sands, and different soil types.
  • 6. Requirement ï‚— Pigments - Pigments are granular solids incorporated into the paint to contribute color, toughness, texture, give the paint some special properties or simply to reduce the cost of the paint. Alternatively, some paints contain dyes instead of or in combination with pigments. ï‚— Granular-small pieces
  • 7. Requirements ï‚— Binder, vehicle, or resins ï‚— The binder, commonly referred to as the vehicle, is the actual film forming component of paint. It is the only component that must be present; other components listed below are included optionally, depending on the desired properties of the cured film.
  • 8. ï‚— Solvent ï‚— The main purposes of the solvent are to adjust the curing properties and viscosity of the paint. It is volatile and does not become part of the paint film. It also controls flow and application properties, and affects the stability of the paint while in liquid state. Its main function is as the carrier for the non volatile components. In order to spread heavier oils (i.e. linseed) as in oil-based interior housepaint, a thinner oil is required.
  • 9. ï‚—Additives ï‚—Besides the three main categories of ingredients, paint can have a wide variety of miscellaneous additives, which are usually added in very small amounts and yet give a very significant effect on the product