|
|
|
Glycol (글리콜)
: 글리콜은 폴리올의 원료이며 우레탄 반응의
쇄 연장제로 작용한다.
|
Name
|
Structure
|
Mw
|
Function
|
|
|
Ethylene Glycol
|
HO-(CH2)2-OH
|
|
|
|
1.2
PG
|
1.2 Propylene
Glycol
|
|
76.1
|
2
|
|
1.3
BD
|
1.3-Butane Diol
|
HO-CH2-CH2-CH( OH)-CH3
|
90.1
|
2
|
|
1.4
BD
|
1.4-Butane Diol
|
HO-(CH2)4-OH
|
90.1
|
2
|
|
N
P G
|
Neopentyl glycol
|
(CH3)2C(CH2OH)2
|
104.2
|
2
|
|
D
E G
|
Diethylene
Glycol
|
HO-CH2-CH2-O-CH2-CH2-OH
|
106.1
|
2
|
|
M
P D
|
3-Methyl-
1.5-Pentanediol
|
HO-CH2-CH2-CH(CH3)-CH2-CH2-OH
|
118.2
|
2
|
|
1.6
HD
|
1.6-Hexane
Diol
|
HO-(CH2)6-OH
|
118.2
|
2
|
|
T
M P
|
Trimethylol
propane
|
|
134.2
|
3
|
|
|
Polyol
(폴리올)
:
일반적으로 Polymeric glycol 은 Urethane 의 화학 구조 중에서
Soft segment
부분을 이루며 Resin의
elasticity 과 Softness 를 결정한다.
(1) Polyester type
2 염기산 + Glycol → Polyester + H2O
HOOC~COOH + 2
OH~OH → HO-COO-COO-OH + 2
H2O
2
염기산의 종류
Adipic Acid HOOC-(CH2)4-COOH
Sebasic
acid HOOC-(CH2)8-COOH
Isophthalic
Acid HOOC-(C6H4)-COOH
|
Product
|
Component
|
OH. V
|
Acid. V
|
Mw
|
H2O %
|
|
EPE-1020
|
EG
/ AA
|
107-117
|
Max.
0.5
|
1,000
|
Max.
0.1
|
|
EPE-2030
|
1.2PG
/ AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
EPE-2040
|
1.4BG
/ AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
EPE-2024
|
EG,1.4BG
/ AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
EPE-2050
|
NPG
/ AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
EPE-2060
|
MPD
/ AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
EPE-2089
|
DEG/IPA,AA
|
52-60
|
Max.
0.5
|
2,000
|
Max.
0.1
|
|
특수
에스테르
|
poly
- ε - caprolacton diol
|
|
기
타
|
성분별,
분자량별 주문 생산 가능
|
|
|
(2) Polyether type
|
Name
|
Product
|
Structure
|
Mw
|
|
|
PEG
|
PEG-1000
PEG-2000
|
HO-{CH2CH2O)n-H
|
|
Polyethylene
Glycol
|
|
PPG
|
PP-750
PP-1000
PP-2000
|
HO-{CH2CH-(CH3)-O}nH
|
750
1,000
2,000
|
Polypropylene
Glycol
|
|
GP
|
GP-1000
GP-3000
|
┌CH2O(CH2CH2O)nH
├CH2O(CH2CH2O)nH
└CH2O(CH2CH2O)nH
|
1,000
3,000
|
Polyoxypropylenetriol |
|
PTMG
|
PTG-1000
PTG-2000
|
HO-{-(CH2)4-O}nH
|
1,000
2,000
|
Polytetramethylene
Glycol
|
|
EPO
|
EPE-28EP
|
-
|
2,000
|
EO/PO
|
|
EPE-55EP
|
-
|
2,000
|
EO/PO
|
|
BPE
|
Blended ether polyol
|
|
|
|
|
Contents |
|
|
|
+
Glycol |
|
+ Polyol
|
|
-
Polyester
|
|
-
Polyether
|
|
|
|
