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surface coating Flashcards

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1
Q
  • substances that are products of mixtures of film-forming materials, pigments, solvents, and other additives, that are applied to a surface, and then dried, which will yield a thin film that is functional and decorative in sense.
A

surface caoting

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2
Q

comprised of interconnected molecules that
allow the formation of a product that is flexible, adhesive
and tough, when applied to surfaces.

A

surface coating

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3
Q

insoluble particulate materials that
provide colour, opacity, gloss control, rheological
control, and certain functions such as corrosion
inhibition or magnetic moment

A

pigments

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4
Q

reduce the cost of coatings by acting
as a volume filler

A

pigments

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5
Q

primary binders
which provide adhesion and substrate
protection

A

resins

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6
Q

act as carriers for surface coatings such as
paints, varnishes and adhesives

A

solvent

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7
Q

the flavors and spices of a
coating

A

additive

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8
Q

enhance the inherent properties of the
resin

A

addtive

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9
Q

synthetic pigments

A

EGYPTIANS (3000–600 BC)
* Pigments with a wider range of colors
* First synthetic pigment (Egyptian Blue)
* Preservative paints and varnishes

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10
Q

synthetic pigments

A

Egyptian Blue

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11
Q

Quarts, chalk (calcium carbonate), malachite (copper
carbonate) and soda ash are combined and heated to 900 °
C-1000 °C

A

Egyptian blue

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12
Q

resin can be used as varnish, and the addition of oil
apparently dissolve the solvent and turn the solution into
varnish.

A

true

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13
Q

Paints were made in ________ before

A

batches

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14
Q

The need for _________ and __________ accelerate the rate of
scientific discovery

A

anti-corrosive and special coating

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15
Q

the white pigment was discovered that would replace white
lead (1918)

A

Titanium dioxide

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16
Q

middle of 20th century

A

Natural oils were replaced by synthetic resin

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17
Q
  • used in modern car, ships and spacecraft due to its high end anti-corrosion coating propertie ans is odorless and is less toxic.
A

Acrylic polyurethane “enamel”

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18
Q

Composed of epoxy resins and polyamine hardeners

A

epoxy coating

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19
Q

Cross-linking of compounds during curing

A

epoxy coating

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20
Q

Durable and rigid plastic coating

A

epoxy coating

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21
Q

Mechanical properties: hardness, durability, resistance, commonly
used in automotive industry

A

epoxy coating

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22
Q

Mechanical properties: hardness, durability, resistance, commonly
used in automotive industry

A

epoxy coating

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23
Q

Characteristics that can easily be modifified (glossiness or transparency

A

polyutherane coating

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24
Q

Properties: thermosetting, durable, elastic, softer than epocy, higher resistance in abrasion and dents.

A

polyutherane coating

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25
Mechanical properties: hardness, durability, resistance, commonly used ij automotive industry. Commonly used in commercial and automotive industries. * Water-based polyutherane coatings are non-flammable(use in areas where combustion occurs)
polyutherabe coating
26
Commonly used in commercial and automotive industries. Water-based polyutherane coatings are non-flammable(use in areas where combustion occurs)
polyutherane coating
27
Water-based polyutherane coatings are non-flammable(use in areas where combustion occurs)
polyuthetane coating
28
Type of polymer (carbamates)
polyutherane coating
29
Also known as glass coatings, silica coatings, or hydrophobic coatings.
ceramic coating
30
Liquid polymer
ceramic coating
31
Semi-permanent
ceramic coating
32
Properties: Resistance to chemical stains, thermal and UV stability, transparent, non-metallic, easy to clean, non-flammable, hydrophobic
ceramic coating
33
Commonly used in automotive industry, architecture and marine industry.
ceramic coating
34
Reacts with heat-swells or increases volume(insulator)
intumescent coal
35
Classifified based on the surface
intumescent coating
36
With hydrates-thick layer is soft; release water vapor
intumescent coating
37
With sodim silicates or graphite- thick layer is hard; stops fifire and gaskets.
intumescent coating
38
Properties: Retardant, thermal and corrosion protection
intumescent coating
39
Commonly used coastal buildings, ships, marine structures (alloys and steels)
intumescent coating
40
Used to cover buildings, furniture and the likes in general
architectural caoting
41
most used technique for covering metal surfaces in industrial settings
galvanizing method
42
metal used in galvanization process serves as
noble metal
43
coated zinc layer serves
active metal
44
function as cathode
noble metal
45
function as anode
active metal
46
a hot alkali solution is applied to the steel surface to remove common oils and debris
caustic
47
With a hydrochloric acid solution, the surface rust and scales are eliminated
pickling
48
surface oxides are finally eliminated and shielded from potential threats of additional oxidation
fluxing
49
An internal direct current force leads to the anode becoming anodically polarized and the base steel being exposed to the released metal ions in the solution.
refining process
50
inert anode material utilized in the system
electrowinning
51
an electrometallurgical method used to coat metals that cannot be coated using standard refining or winning procedures
molten salt
52
lack of external electrical power
electroless
53
this surface coating technique coats nickel atoms
electroless
54
thin-film layers are created via the vaporization and condensation processes
vapor deposition method
55
high-temperature process that heats a substrate to high temperatures and vaporizes precursor materials onto the target base metal
vapor deposition method
56
high-temperature process that heats a substrate to high temperatures and vaporizes precursor materials onto the target base metal
vapor deposition method
57
base metal is immersed in a chromium-ion solution
chromating process
58
capable of self healing
chromate coating
59
protective film created by the base metal, and certain metals, such as Ti and Al, can develop a shielding oxide coating when anodically polarized by an external electrical source.
anodizing process
60
Type of surface coating that when applied, needs a bunch of layers to be effective
Organic coating
61
Egyptian _____ was the first synthetic pigment made by the Egyptians.
Blue
62
Water-based polyutherane coatings are flammable and are restricted during combustion processes.
False
63
This electrochemical coating method is typically used to coat nickel atoms.
Electroless
64
Term used for surfaces onto which surface coating products are applied
Substrate
65
It is used in modern car, ships and spacecraft due to its high end anti corrosion coating properties, and is widely popular because it is odorless and is less toxic.
Enamel
66
What is the white pigment that would replace white lead (1918)?
Titanium dioxide
67
Intumescent coating with _____ is a type of intumescent coating that forms a soft, thick layer which releases water vapor, making it as a good insulator.
Hydrates
68
Molten Salt is an electrometallurgical method used to coat metals that cannot be coated using standard refining or winning procedures.
True
69
When was the first evidence of painting discovered?
Stone age

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