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NACE Level 1 > Coating Types > Flashcards

Coating Types Flashcards

1
Q

Acrylics convertible or non convertible

A

Non convertible

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2
Q

Acrylics curing mechanism

A

Coalesces

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3
Q

Acrylics # of compounds

A

1

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4
Q

What are the characteristics of acrylic paint?

A

Excellent weathering and UV resistance
Can be applied as coalescence curing emulsions/water dispersions

Decorative rather than corrosion resistance

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5
Q

Alkyds organic or non organic?

A

Organic

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6
Q

Alkyds convertible or non convertible?

A

Convertible

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7
Q

Alkyds curing mechanism is?

A

Oxidation

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8
Q

Alkyds # of compounds?

A

2

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9
Q

What is a characteristics of an alkyd coating?

A

Referred to as oil based paints
Advantages - single packaged materials
Broad range of colours

Disadvantages - can be very slow curing products
Limited thickness per coat

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10
Q

Chlorinated rubber organic or non organic?

A

Organic

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11
Q

Chlorinated rubber convertible or non convertible?

A

Non convertible

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12
Q

Curing mechanism for chlorinated rubber is?

A

Evaporation

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13
Q

of compounds in chlorinated rubber is?

A

1

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14
Q

What are the characteristics of chlorinated rubber?

A

Large quantities of VOCs
not widely used anymore.
Evaporation curing
Excellent resistance to water, sunlight, and many chemicals

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15
Q

Epoxy organic or non organic?

A

Organic

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16
Q

Epoxy convertible or non convertible?

A

Convertible

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17
Q

Curing mechanism of epoxy?

A

Polymerization

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18
Q

of components for epoxy?

A

2

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19
Q

What are the characteristics of epoxy?

A

Two component epoxy resin (base) and curing agent (converter)
Can be solvent based, water based or solvent free

Excellent adhesion, chemical and water resistance and wet adhesion
Amine cured epoxies are especially sensitive to amine blush

Chalking with atmospheric (UV) exposure

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20
Q

Furan organic or non organic?

A

Organic

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21
Q

Furan convertible or non convertible?

A

Convertible

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22
Q

Characteristics of furan?

A

not common
Resins made from organic material
Broad range of chemical resistance
Blend with cement to form a trowelable mortar
Applied by bricklayers not coating applicators

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23
Q

Latex emulsion organic or non organic

A

Organic

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24
Q

Latex emulsion convertible or non convertible?

A

Non convertible

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25
Q

Curing mechanism for latex emulsion

A

Coalescence

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26
Q

Characteristics of latex emulsion?

A

Low humidity needed.

Resins normally thermoplastic resin types

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27
Q

Phenolic organic or non organic

A

Organic

28
Q

Phenolic convertible or non convertible?

A

Convertible

29
Q

Characteristics of phenolic?

A

Immersion service

Typically used where low pH environments and higher temperatures are factors

Excellent resistance to acids

30
Q

Polyaspartic organic or non organic?

A

Organic

31
Q

Polyaspartic convertible or non convertible?

A

Convertible

32
Q

Curing mechanism for polyaspartic is?

A

Polymerization

33
Q

of compounds in polyaspartic?

A

2

34
Q

Characteristics of polyaspartic is ?

A

Low VOC system
Pot life 5min to several hours
Films builds 15mils in a single pass

35
Q

Polyester organic or non organic

A

Organic

36
Q

of compounds is polyester coating?

A

2

37
Q

Characteristics of polyester coating?

A 
Industrial and marine grade. 
Short pot life.
Petroleum storage tank linings.
High abrasions resistance 
Glass flake reinforced high build coating
Excellent moisture resistance
38
Q

Polysiloxanes organic or non organic?

A

Both organic and inorganic

39
Q

Polysiloxanes convertible or non convertible

A

Convertible

40
Q

Characteristics of polysiloxanes coating are?

A

Used in services with abrasion, chemicals, extreme UV and high temperatures

Three major categories

1) inorganic polysiloxanes
2) epoxy-polysiloxanes hybrids
3) acrylic-polysiloxanes hybrids

41
Q

Polyurethane organic or non organic?

A

Organic

42
Q

Polyurethane convertible or non convertible

A

Convertible

43
Q

Curing mechanism for polyurethane is?

A

Polymerization

44
Q

of components for polyurethanes are?

A

2

45
Q

Characteristics of polyurethanes are?

A

Two major types - aliphatic : resistant to UV
Aromatic - chemical resistance in immersion
Excellent gloss

Many hazards is isocyanate
Available with variety of curing times

46
Q

Polyureas organic or non organic

A

Organic

47
Q

Polyureas curing mechanism is?

A

Polymerization

48
Q

Polyureas # of components are?

A

2

49
Q

Characteristics of polyureas coatings are?

A

Very flexible, short cure time

Most require the use of an epoxy primer on steel

50
Q

Silicones organic or non organic

A

Non organic

51
Q

Characteristics of silicone coatings are?

A

Resist high temp and UV
Used as foul-release coating in marine industry
Formed by chemical modification of quarts, sand or silicon
Most Require heat to cure but some cure at ambient temperatures.

52
Q

Vinyl esters organic or non organic?

A

Organic

53
Q

of compounds in vinyl esters coating

A

2

54
Q

Characteristics of vinyl esters coating?

A

Lining , short pot life, excellent abrasion resistance

55
Q

Inorganic zinc organic or non organic?

A

Non organic

56
Q

Inorganic zinc curing mechanism?

A

Hydration ( CO2)

57
Q

of compounds in inorganic zinc

A

2

58
Q

Characteristics or inorganic zinc?

A 
High temp resistance 400 degrees Celsius 
Self healing
Does not adhere to its self
Widely used primer for steel structures
Provides cathodic protection 
Resistant to different chemicals
59
Q

Organic zinc organic or non organic?

A

Organic

60
Q

of compounds in organic zinc

A

2

61
Q

Characteristics of organic zinc

A

Doesn’t take humidity to cure
Organic resin with zinc filler examples epoxy, polyurethane etc
Limited cathodic protection factor

62
Q

Vinyls organic or non organic

A

Organic

63
Q

Vinyls convertible or non convertible

A

Convertible

64
Q

Characteristics of vinyl coating is?

A

Earliest coating
We’re used on highway bridges and extensively in the marine industry
Contain large amount of VOCs

65
Q

Acrylics organic or non organic?

A

Organic

NACE Level 1 (25 decks)

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