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C-DONOR

Chemical Name:  Cyclohexyl-Methyl-Dimethoxyl Silane
Molecular Formula:   C9H20O2Si
Molecular Weight:  188.34
CAS No.:   17865-32-6 





Specification:

 

 

Appearance

Colorless transparent liquid

 

Purity (%)

99.5  min

 

Refraction rate(n25   )
D

1.4360-1.4380

 

Specific gravity  (25℃, g/cm3)

0.945-0.950

 

Moisture content  (ppm)

100 max

 

Methanol content (%)

0.1 max

 

Chloride content  (%)

0.003 max

 

Application:


CMMS acts as a good external donor in propylene polymerization, can improve catalyst activity and
stereo-selectivity and prolong catalyst life.

 

Packaging:


180 kg net weight/steel drum or per customer's request.

 

 

D-DONOR

 

Introduction:


Chemical Name:  Di-Cyclopentyl-Dimethoxy Silane (DCPDMS) Molecular Formula:   C12H24O2Si
Molecular Weight:  228.4
CAS No.:   126990-35-0


Specification:

 

 

Appearance

Colorless transparent liquid

 

Purity (%)

99.0  min

 

Refraction rate(n25   )
D

1.4640-1.4660

 

Moisture content  (ppm)

100 max

 

Methanol content (%)

0.1 max

 

Specific gravity  (25℃, g/cm3)

0.980-0.990

 

Application:


DCPDMS is widely used together with the 4th generation Ziegler-Natta catalyst for propylene polymerization.  D-donor is used in the synthesis as a stereoregularity control agent.

 

Packaging:


180 kg net weight/steel drum or per customer's request.

 

 

N-DONOR

 

Introduction:


Chemical Name:  n-Propyltrimethoxysilane (NPTMS) Molecular Formula:   C6H16O3Si
Molecular Weight:  164.28 
CAS No.:   1067-25-0




Specification

 

 

Appearance

Colorless transparent liquid

 

Purity (%)

98.0 min

 

Color (mg Pt-Co/L)

30 max

 

Refraction rate(n25   )
D

1.3910 ± 0.0050

 

Specific gravity  (20℃, g/cm3)

0.9380 ± 0.0050

 

Application


NPTMS is an important base rawmaterial for sol-gel processing. Contains propyl group which can improve products’ organic character. Can also be used as a stereo-regulator for Ziegler-Natta-catalysts to increase the isotactic index in polypropylene.

 

Packaging


180 kg net weight/steel drum or tailor made

 

B-DONOR

 

Introduction:


Chemical Name:  Di-Isobutyldimethoxysilane(DIB) Molecular Formula:   C10H24O2Si
Molecular Weight:  204.39
CAS No.:   17980-32-4


Specification

 

  Appearance

Colorless transparent liquid

 

Purity (%)

99.0 min

 

Moisture content  (ppm)

100 max

 

Specific gravity  (20℃, g/cm3)

0.855 – 0.865

 

Application


It’s used as a stereo-regulator for Ziegler-Natta-catalysts to increase the isotactic index in polypropylene.

 





Packaging


170 kg net weight/steel drum
or tailor made

 

 

P-DONOR

 

Introduction:


Chemical Name:  Di-Isopropyledimethoxysilane(DIP) Molecular Formula:   C8H20O2Si
Molecular Weight:  176.33
CAS No.:   18230-61-0


Specification

 

 

Appearance

Colorless transparent liquid

 

Purity (%)

99.5 min

 

Moisture content  (ppm)

100 max

 

Specific gravity  (20℃, g/cm3)

0.870 – 0.880

 

Application


It’s used as a stereo-regulator for Ziegler-Natta-catalysts to increase the isotactic index in polypropylene.

 

Packaging


170 kg net weight/steel drum or tailor made