2. collect samples of various fibers. Paste them in a scrapbook and Write
their names and characteristics.
Answers
Rayon is a synthetic fiber, made from natural sources of regenerated cellulose, such as wood and related agricultural products. It has the same molecular structure as cellulose.
Characteristics: Absorbent, Lightweight, Soft
Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose. Under natural conditions, the cotton bolls will increase the dispersal of the seeds.
Characteristics: Absorbent, Lightweight, Soft
Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity
Characteristics: Good insulator, Lightweight, Smooth, Soft
Wool is the textile fibre obtained from sheep and other animals, including cashmere and mohair from goats, qiviut from muskoxen, hide and fur clothing from bison, angora from rabbits, and other types of wool from camelids. Wool consists of protein together with a small percentage of lipids.
Characteristics: Crimp, Elastic, Fire resistant, Soft, Warm
Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate.
Characteristics: Abrasion resistant, Dries quickly, Durable, Lightweight, Strong, Wrinkle resistant
Nylon is a generic designation for a family of synthetic polymers composed of polyamides. Nylon is a silk-like thermoplastic, generally made from petroleum, that can be melt-processed into fibers, films, or shapes
he characteristic features of nylon 6,6 include:
Pleats and creases can be heat-set at higher temperatures.
More compact molecular structure.
Better weathering properties; better sunlight resistance.
Softer "Hand"
High melting point (256 °C, 492.8 °F)
Superior colorfastness.
Excellent abrasion resistance.