Silyl-terminated Polyethers
Silyl-terminated polyethers are designed for non-isocyanate and moisture curable
polymer systems. Sealants based on Silyl-terminated polyethers have found regular
use in both construction and industrial applications.
Standard one component formulation :
|
Component
|
Parts (wt)
|
|
Silyl-terminated polyethers
|
100
|
|
Plasticizer
|
55
|
|
Calcium Carbonate
|
120
|
|
Titanium Dioxide
|
20
|
|
Thixotropic agent
|
2
|
|
Antioxidant
|
1
|
|
UV absorber / Hindered Amine
|
2
|
|
Dehydrating agent
|
2
|
|
Adhesion Promoter
|
3
|
|
Hardening catalyst
|
2
|
For improved stability and resistance to thermal and UV degradation, formulations
based on these products generally contain both an antioxidant and UV absorber, as
seen in the following standard one component formulation.
