PP Process Overview Flashcards
1
Q
Structure of polypropylene?
A
- Atactic Polypropylene
- Isotactic Polypropylene
- Sydiotactic Polypropylene
2
Q
Type of polypropylene?
A
- Homopolymer
- Block copolymer
- Random copolymer
3
Q
Polymerization reaction (T, P)?
A
70 - 80 C, 12 - 30 K/G
4
Q
License?
A
P1,2 Hypol I, P3 HyPol II
5
Q
Section#100?
A
Catalyst Preparation
6
Q
Section#200?
A
Polymerization
7
Q
Section#300?
A
Drying
8
Q
Section#500?
A
Pelletizing
9
Q
Propylene source?
A
NPC, TOC, ROC, ARC
10
Q
Ethylene source? alyst
A
TOC, HDPE
11
Q
Hydrogen source?
A
HDPE
12
Q
Hexane source?
A
HDPE
13
Q
Main catalyst?
A
TK, RK, DQ
14
Q
Raw materials?
A
C3, C2, H2, HX, Catalyst, Additive (Stabilizer)
15
Q
Preparation of main catalyst?
A
The main catalyst is prepared by prepolymerization and dilution by hexane.