Some Industrially Important Polymers - Fundamentals of Industrial Chemistry: Pharmaceuticals, Polymers, and Business - page 138

a. HDPE
b. LDPE
c. LLDPE
d. EVA
17. (6 points) Of the four listed, this polyolefin has the best adhesion.
a. HDPE
b. LDPE
c. LLDPE
d. EEA
18. This major polymer is made by an emulsion or suspension radical pro-
cess, and generally has a heat stabilizer added. The polymer has less than
half of its mass from petroleum feedstocks. What is the polymer?
19. ABS terpolymer has good heat stability, toughness, and stiffness. ABS is
an acronym for which three monomers?
20. Thermoset epoxies are commonly made by mixing a bis-epoxy compo-
nent with:
a. a bisphenol
b. a diisocyanate
c. adiamine
d. formaldehyde
21. Toluene 2,4-diisocyanate is formed from the reaction of 2,4-diamino-
toluene with phosgene. Write the structure for toluene 2,4-diisocyanate.
What is it used for?
CH 3
NH 2
NH 2
2,4-diaminotoluene
22. Between nylon 6,6 and PTFE which polymer absorbs more water? Why?
23. What do the letters LLDPE stand for?
24. How is LLDPE made?
a. Ziegler - Natta process
b. radical process
c. TiCl 4 catalyst
d. with a vinyl acetate comonomer