文档介绍：Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
白碳黑及硅烷偶联剂
Dr. Ewe-Hong Tan
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep 2002/Slide
ULTRASIL
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
沉降法白碳黑
Stage1:水玻璃
1000oc
Sio2 Na2 CO3
Naosio +cO
Stage2:白碳黑
Na20SiO2+H2SO4-SiO2+Na,SO4+H,.
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 2
ULTRASIL
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
硅胶生产工艺流程
筒仓
造粒
滤
碾
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 3
UULTRASIL
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
产品概览
品名BET比表面积CTAB比表面积
粒径
DBP值湿度
商标名
Ultrasil 360
Silica B
165
Ultrasil VN2 GR
Silica C
170
Ultrasil
Silica D
170
160
240
Ultrasil
GR
N774
N550
42
42
56
<1
N110
初始颗粒大小
Silica a Silica b Silica C
N774
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 4
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
相关性能指标
比表面积(BET)
·水含量
物理形态
盐含量
H值
:
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 5
ULTRASIL
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
白碳黑比表面积对橡胶产品性能的影响
硫化速率
拉伸
表面积
表面积
面积
表面积
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep 2002/Slide
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
最大吸水量
白碳黑吸水量
吸水量[
ULTRASIL VN2
吸水量%
30°c(B6°F)
0
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 7
ULTRASIL
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
含水量对硫化过程的影响
扭矩
60
43
00
时间,mn
Dr. Ewe- Hong Tan-AT1-Asia/ Applied Technology Advanced Fillers
Sep, 2002/Slide 8
Reinforcement with Silicas
degussa
Advanced Fillers and Pigments
pH值的影响
低pH值
更长的硫化时间
高pH值
·更短的硫化时间
·更快的硫化速率