PPT LQ2 PT2

Question 1

Polymers is made up of repeating units called

Answer 1

Monomers

Question 2

Characterized by their relatively large molecular masses (10,000 to 100,000 atoms per molecule)

Answer 2

Polymers

Question 3

Ancient greek polus =
Meros=

Answer 3

Many much & parts

Question 4

Two types of polymers

Answer 4

Natural and synthetic

Question 5

Extracted from living organisms such as plants and animals

Answer 5

Natural polymers

Question 6

Protein (amino acids) nucleic acids (nucleotides) carbohydrates (glucose)

Answer 6

Natural polymers

Question 7

Synthesize in lab

Answer 7

Synthetic polymers

Question 8

Nylon in clothing, silicone in kitchenware, and polyethylene terephthalate (pet) in beverage bottles

Answer 8

Synthetic polymers

Question 9

Classification of polymers

Answer 9

Thermoplastic, elastomer, thermoset

Question 10

Comparatively weak intermolecular interaction

Answer 10

Thermoplastic

Question 11

Soften when heated and then return to its initial state when cooled

Answer 11

Thermoplastic

Question 12

Linear or somewhat branched

Answer 12

Thermoplastic

Question 13

Credit cards, car bumpers, insulation, and food packaging

Answer 13

Thermoplastic

Question 14

“Sets” or solidifies permanently; heating cannot change its shape

Answer 14

Thermosetting

Question 15

Construction and cars, glues, boat hulls, toys, and varnishes

Answer 15

Thermosetting

Question 16

Easily stretched to several times their unstretched length and quickly revert to their initial state upon removal of applied tension

Answer 16

Elastomers

Question 17

Cross linked

Answer 17

Elastomers

Question 18

Rubber bands and other elastics

Answer 18

Elastomers

Question 19

VULCANIZATION
WAS DISCOVERED
BY CHARLES
GOODYEAR

Answer 19

1839

Question 20

PARKESINE, THE
FIRST SEMI-
SYNTHETIC
POLYMER, WAS
CREATED BY
ALEXANDER
PARKES

Answer 20

1862

Question 21

BAKELITE, THE
FIRST COMPLETELY
SYNTHETIC
POLYMER, WAS
CREATED BY LEO
BAEKELAN

Answer 21

1907

Question 22

MACROMOLECULAR
THEORY WAS
PROPOSED BY
HERMAN
STAUDINGER

Answer 22

1920

Question 23

POLYETHYLENE
WAS CREATED BY
ICI (IMPERIAL
CHEMICAL
INDUSTRIES); LED
TO HDPE AND LDPE

Answer 23

1933

Question 24

NYLON WAS
SYNTHESIZED BY
WALLACE
CAROTHERS

Answer 24

1935

Question 25

TEFLON WAS ACCIDENTALLY DISCOVERED BY

Answer 25

Dr. Roy J plunkett (1938)

Question 26

On 1963 ____ WERE INVENTED

Answer 26

ZIEGLER-NATTA CATALYSTS

Question 27

ADVANCEMENT OF CUSTOM POLYMER SYNTHESIS

Answer 27

1970

Question 28

BIODEGRADABLE AND BIO-BASED POLYMERS AS WELL AS SMART POLYMERS

Answer 28

Present

Question 29

CAN BE GREATLY INFLUENCED BY THE UNIFORMITY AND PURITY OF THE MONOMERS

Answer 29

Final polymer

Question 30

Impurities FOR INSTANCE, CAN CAUSE

Answer 30

DISCOLORATION, DECREASED STRENGTH, OR IRREGULAR TEXTURE

Question 31

CAN BE AFFECTED BY VARIABLES LIKE TEMPERATURE, PRESSURE, AND PROCESS LENGTH

Answer 31

Molecular and crystallinity

Question 32

CAN CAUSE THERMAL DEGRADATION; INADEQUATE TEMPERATURES CAN PREVENT FULL POLYMERIZATION

Answer 32

Excessive heat

Question 33

AID IN THE MONITORING OF MULTIPLE FACTORS DURING THE POLYMERIZATION PROCESS

Answer 33

Strict quality assurance procedures

Question 34

END-OF-LINE TESTING AND IN-LINE MONITORING GUARANTEE THAT ANY DEPARTURES FROM THE INTENDED STANDARDS CAN BE QUICKLY IDENTIFIED AND FIXED

Answer 34

Quality control

Question 35

DEPENDING ON THE PROCESS, TEMPERATURES IN THE SYNTHESIS OF POLYPROPYLENE PLAY AROUND

Answer 35

50 to 80 degrees

Question 36

HIGH PRESSURES—TYPICALLY BETWEEN

Answer 36

1000 to 1,500 psi

Question 37

ALSO CRUCIAL FOR POLYMERIZATION

Answer 37

Energy intake and heat

Question 38

Polymer products established in

Answer 38

1959

Question 39

In 1959, ____ reinforced plastic (FRP)

Answer 39

Polyster resin and auxiliaries to the ph fiberglass

Question 40

This technolgy Started operations in 2006

Answer 40

Chemrez technologies

Question 41

Sells comprehensive range of resins, powder coatings, and eleochemicals

Answer 41

Chemrez technologies

Question 42

These are the powder coating of chemrez technologies

Answer 42

Oleochemicals and resins

Question 43

This corporation was established in 1994

Answer 43

JG Summit Olefins Corp

Question 44

Dominant player in the petrochemical industry in the philippines

Answer 44

JG Summit Olefins Corporation

Question 45

Runs the nation’s first and only naptha cracker facility

Answer 45

JG Summit Olefins Corporation

Question 46

Smaller molecules Heart of polymerization reaction

Answer 46

Monomers

Question 47

What are the raw materials

Answer 47

Monomers, homopolymer, co-polymer

Question 48

Made up of the same monomer

Answer 48

Homopolymer

Question 49

Made up of different monomer

Answer 49

Co-polymer

Question 50

Initiator to start the polymerization reactions

Answer 50

Ziegler natta catalyst

Question 51

The product of the reaction often needs to be subjected to separation through ____ to remove impurities and unreacted monomers depending on the desired polymer product.

Answer 51

distillation, solvent extraction, or filtration

Question 52

are utilized to control the temperature of the reaction and to condense the unreacted monomers from the recycling stream for reuse

Answer 52

Heat exchangers

Question 53

To separate the polymer from solvents such as water, it could be filtered through the use of . This applies a vacuum to pull the liquid through a filter, leaving the solid polymer behind.

Answer 53

vacuum filters

Question 54

Even after filtration, some moisture is still left from the polymer product. This will go through a dryer to remove moisture residue. One of the most common dryers used for polymer products is the

Answer 54

centrifugal dryer

Question 55

Like all processing plants, polymer production also utilizes ____ to transport substances from one place to another.

Answer 55

fluid flow

Question 56

Some plants aim to produced polymers with distinct forms. The product polymer could go through an _____ before drying. An _____ is a machine that melts, mixes, conveys, and shapes polymers into a continuous form for a wide range of applications.

Answer 56

extruder

Question 57

used to scrub off undesired or toxic substances from vent gases produced from the process.

Answer 57

Scrubber

Question 58

produced in the production process is later treated in a wastewater treatment facility designed for treating wastewater from production plants.

Answer 58

Wastewater

Question 59

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