課程名稱︰高分子化學
課程性質︰選修
課程教師︰陳文章
開課學院：工學院
開課系所︰化工系
考試日期（年月日）︰101/11/05
考試時限（分鐘）：100
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1. Please explain the following term briefly(2points each, 34 total)
(a) Branched polymers
(b) Block copolymers
(c) Glass trabsition temperature
(d) Crosslinked polymers
(e) Graft copolymers
(f) Stereoregular polymers
(g) Elastomer
(h) Condensation polymerization
(i) Addition polymerization
(j) Interfacial polymerization
(k) Ziegler-Natta polymerization
(l) Metallocene-Induced polymerization
(m) Photopolymerization
(n) Ring-opening polymerization
(o) Thermoplastics
(p) Living polymers
(q) Polymer blend
2. For the "Condensation polymerization", please answer the following questions
(a) Please describe three general reaction schemes of "Polyamide" synthesis
(Note:include at least one ring opening reaction) (6 points)
(b) Please describe how to obtain a high molecular weight polyamide product
by condensation polymerization and what is the requirement for the rea-
ctant composition? Why the reaction must obey the composition require-
ment? (4 points)
(c) List the general formulas of Polyester, Polycarbonate, Polyanhydride,
Polyamide and Polyurethane. (2 points each, total 10)
3. For the "Free-radical polymerization", please answer the following questions
(a) Please describe the three steps of reaction mechanism for the monomer
"methyl methacrylate"(MMA). (Note: free-radical from initiator could
be expressed as R。) (5 points)
(b) Please write down the reaction schemes of the head to head, head to tail,
and tail to tail for the monomer CH2=CHX.(3 Points) Which one of the
above has the most possibility to exist on the main chain of polymer?(2)
4. For the "Anionic polymerization", Please answer the following questions
(a) Please give two examples for the initiator and its chemical structure.
(3 points)
(b) For the anionic polymerization monomer CH2=CHR, please describe the
Characteristic of the R group(3 points)
(c) Please describe how to choose appropriate monomers (A,B,C) for
synthesizing a tri-block copolymer ABC by anionic polymerization.
(4 points) (Hint: order of electron affinity)
6. For the "Ziegler-Natta polymerization", please answer the following
questions. (
(a) What are the two major compositions of the catalyst?(2 points)
Give an example for the catalyst(3 points)
(b) Please instantiate the possible factors which affect the polymer
stereoregularity. (5 points)
7. Please describe the reasons for main chain and side chain reactions of
synthetic polymers and give an example for each. (5 points each, 10 total)
8. Describe a general reaction mechanism for the ring-opening polymerization
of trioxane. (5 points)
9. Describe the type of monomers suitable for photolytic polymerization
(2 points) and advantages for such polymerization. (3 points)
10. How would you distinguish experimentally between an amorphous, a
crystalline, a crosslinked polymer? (5 points)
(Hint: answer the questuin more detail aboyut the aspect of temperature
difference)
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