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Chemistry > Bitumen > Flashcards

Bitumen Flashcards

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1
Q

How to improve penetration grade

A

Adhesiveness
durability
elasticity
deform resistancy
high viscosity at high temperature
Flexability at low

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2
Q

Bitumen compositions

A

•Saturates
•Aromatics
•Resins
•Asphaltnes

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3
Q

Saturates

A

softens the bitumen.

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4
Q

Aromatics

A

• the compounds that give bitumen its fluidity

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5
Q

Resins

A

• Inhibit the oxidation of bitumen,when oxidized
• convert to the Asphaltnes
• affects thickness and stiffness

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6
Q

Asphaltnes

A

•give bitumen its thickness and make bitumen hard.

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7
Q

Polymers

A

long chains molecules made from repeating monomers

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8
Q

monomers

A

small simple molecules that combine to form polymers

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9
Q

natural polymers

A

found in nature

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10
Q

synthetic polymers

A

man-made

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Chemistry (5 decks)

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