Fibers and Dyes Flashcards
Lecture 13
1
Q
T/F: Fiber is a general term used for plant products
A
True
2
Q
What are animal fibers made of?
A
Collagen and Keratin
3
Q
T/F any long strong cell can be used for textile fiber
A
False: it has to be able to adhere to each other when twisted and twist into longer strands
4
Q
Cotton fibers are produced on…..
A
Seeds
5
Q
What did the permanent press do?
A
treated the fibers with methanol which cross linked cellulose
6
Q
What is Rayon?
A
artificial silk
7
Q
Is cotton old world or new world?
A
Both
8
Q
What are bast fibers
A
Fibers from anywhere other than the xylem
9
Q
What is retting?
A
Separate plant fibers from the stem
10
Q
the earliest written use of dyes was found in
A
China
11
Q
What is the Innsbruck manuscript?
A
a how to on how to dye
