Plastics

Question 1

20th century, beginning of the plastic era with semi-synthetics

Answer 1

Synthetic plastic era

Question 2

year of the invention of bakelite by leo bakeland

Answer 2

year 1907

Question 3

21st century, new era of environment friendly plastic

Answer 3

Bioplastic era

Question 4

derived from corn starch. can be used to make plastic bags, fibers for clothing, and 3D printing

Answer 4

PLA (polyactic acid)

Question 5

are composed of linear polymer chains without crosslinks between them

Answer 5

Thermoplastics

Question 6

Toys, appliances, telephones, cellphones, microwaves, musical instruments

Answer 6

ABS

Question 7

construction materials, data storage devices, electronic components, and automotive and aviation parts.

Answer 7

Polycarbonate

Question 8

packaging, such as plastic bags, films, geomembranes, bottles, and more.

Answer 8

Polyethylene

Question 9

motorcycle helmet visors, plane windows, aquariums, ports in submersibles, eye-glass lenses and exterior lights

Answer 9

acrylic

Question 10

fabrics, rope, musical instruments, parachutes, flak vests, women’s stockings.

Answer 10

Nylon

Question 11

Commonly used in 3D printing with fused deposition modeling techniques

Answer 11

PLA (Polyactic acid)

Question 12

vinyl sliding on homes and other construction applications such as drain pipes, gutters, and roofing sheets.

Answer 12

Polyvinyl Chloride

Question 13

composites that crosslink and/or the presence of damaged fibers during the recycling process

Answer 13

Thermosets

Question 14

Construction, electrical, packaging, transport, and furniture

Answer 14

5 usage of plastic

Question 15

where the heat-melted plastic raw materials is injected into a mold to take the shape of the mold and then cooled and removed from the mold.

Answer 15

Plastic injection

Question 16

where with the help of heat and pressure, it is ensured that the material passes continuously from the mold and long parts are produced.

Answer 16

Plastic extrusion

Question 17

what makes plastic turn yellow and becomes brittle over time.

Answer 17

Cellulose nitrate

Question 18

plastics are delivered to a material recovery facility (mrf) or handler for sorting into single resin streams to increase product value.

Answer 18

Mechanical recycling

Question 19

special case where condensation polymers such as PET or nylon are chemically reacted to form starting materials.

Answer 19

Chemical recycling

Question 20

Uses plastic water bottles, plastic combs, and plastic containers and repurposes to make fabric. Polyethylene terephthalate; recyclable.

Answer 20

SPI Code 1 (PETE)

Question 21

Uses larger plastic containers, plastic bags, and toys and repurposes to make vinyl tiles, fences. High Density Polyethylene. Recyclable.

Answer 21

SPI Code 2 (HDPE)

Question 22

Uses shoes, plastic tote bags, plumbing materials, gutters and repurposed to make tiles, sheets, and roofing. Polyvinyl Chloride. Recyclable.

Answer 22

SPI Code 3 (V)

Question 23

uses clear wrappers, food packaging, plastic lids, zip bags and repurposed t make building blocks and big plastic trash bins. Low-density Polyethylene.

Answer 23

SPI Code 4 (LDPE)

Question 24

Uses plastic utensils, diapers, and water bottle lids and repurpose to make grinded sheets of plastic fibers, fabric, and storage. Polypropylene. Not recyclable.

Answer 24

PI Code 5 (PP)

Question 25

uses styrofoam container and plastic utensils to turn into binders and styrofoam flooring. not recyclable.

Answer 25

SPI Code 6 (Styrofoam)

Question 26

usually for piping, doors, windows. can resist fire, oils ,or chemicals and can withstand extreme environmental conditions. preferred flooring for its ability t prevent dirt and buildup as well as the breading of microbes.

Answer 26

PVC

Question 27

durable and strong enough to support large weight loads. preferable for damp locations, locations that have to support heavy loads like a garage, or for sport subfloorings like basketball court.

Answer 27

PP

Question 28

provides a firm and strong closed-cell material, provides bounce, cushion, and shock absorption.

Answer 28

Polyethylene

Question 29

used when constructing green or low energy buildings

Answer 29

Polyurethane spray