特性
聚乙烯醇缩丁醛(PVB)树脂按其分子量大小及缩醛度的不同可分为不同等级
1、高缩醛度PVB树脂
|
指 标
|
挥发份含量
|
不挥发份含量
|
乙烯醇缩丁醛基
|
醋酸乙烯基
|
羟基含量
|
10%粘度
|
酸值
|
|
单位
|
Wt-%
|
Wt-%
|
Wt-%
|
Wt-%
|
Wt-%
|
mpa.s
|
MgKOH/g
|
|
SDL-28B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
9-14
|
≤0.5
|
|
SDL-18B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
14-20
|
≤0.5
|
|
SDL-08B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
20-30
|
≤0.5
|
|
SDL-04B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
30-55
|
≤0.5
|
|
SDL-05B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
35-60
|
≤0.5
|
|
SDL-06B
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
80-110
|
≤0.5
|
|
SDM-01
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
160-260
|
≤0.5
|
|
SD-98
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
50-80
|
≤0.05
|
|
SD-76
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
160-260
|
≤0.05
|
|
SD-75C
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
850-1200
|
≤0.03
|
|
SD-75A
|
≤2.0
|
≥98.0
|
76-85
|
≤3.0
|
12-17
|
1200-1500
|
≤0.03
|
