Dynasylan® 4148
Dynasylan® 4148 helps to control rheological properties and to reduce viscosity in highly-filled polymer systems, like aluminum trihydroxide-filled polyesters or SMC-pastes.
Contrary to most other organofunctional silanes, Dynasylan® 4148 features chemical polarity yet remaining chemically not reactive. Such a product is used as a hydrophilic compatibilizer rather than a covalent adhesion promoter.
Dynasylan® 4148 permits workable viscosities at well over 250 phr aluminum trihydroxide loading in unsaturated polyester resins. Further more, Dynasylan® 4148 can be used as anti-settling agent for corrosion inhibitors in glycol based cooling agents.
As a non-coupling silane Dynasylan® 4148 can also be used as a slipping agent to simply modify a surface.
Product information
Type
Additive
Sub type
Pigment wetting & dispersing
Markets
Technologies
High solids (solventborne)
Solventborne
Solventfree
Waterborne
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Technical Data Sheets
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