aqueous oligomeric aminoalkyl- and vinylbenzylamino-functional silane hydrolysate with multifunctional properties
Typical Applications
VPS 2978 is a mulitfunctional organic compound in which the silanol groups can be bonded to an inorganic substrate and the organophilic amino groups can interact with a suitable polymer or resin.
Examples of suitable inorganic substrates are:
Examples of suitable polymers or resins are:
VPS 2978 finds application in many industries. Advantages arise in water-based systems.
Examples are:
Examples of suitable inorganic substrates are:
- glass, glass fibers, glass beads and glass wool
- mineral wool
- metals
- and various fillers like quartz, wollastonite or ATH
Examples of suitable polymers or resins are:
- Thermosets like epoxy, phenolic, furanic and melaminic resins
- Thermoplastics like PA, PBT, EVA, PPS, MAPE, MAPP, PVB, acrylates
- Elastomers like silicones
VPS 2978 finds application in many industries. Advantages arise in water-based systems.
Examples are:
- as a size constituent of glass fiber/glass fabric composites or mineral wool insulating materials
- as a primer or additive for sealants and adhesives
- as a pretreatment or an additive to mineral-filled thermoplastic compounds
- as a glass and metal primer
- as a primer and/or additive for paints and varnishes to improve adhesion to the substrat
Benefits at a glance
VPS 2978 is an aqueous oligomeric multifunctional product, that contains
Important product effects that can be achieved through the use of VPS 2978 are:
Important processing effects that can be achieved through the use of VPS 2978 are:
Advantages that can be realized compared to conventional organoalkoxy functional silanes:
Improved workplace safety
Less complex processing parameters
Easy application and formulation
- reactive secondary amino groups
- reactive styrenic double bonds
- antistatic cationic centers
- and reactive silanol groups.
Important product effects that can be achieved through the use of VPS 2978 are:
- Improved mechanical properties: e.g. flexural strength, tensile strength, impact toughness, modulus of elasticity
- improved electrical properties: e.g. dielectric constant, specific volume resistance
- improved temperature stability at the inorganic/organic interphase (>300°C)
Important processing effects that can be achieved through the use of VPS 2978 are:
- better polymer wetting
- elongated gelation time of resins
- immediate solubility in water
Advantages that can be realized compared to conventional organoalkoxy functional silanes:
Improved workplace safety
- flash point of product is >=95°C
- only < 1 wt.-% alcohols are liberated during processing by VPS 2978
Less complex processing parameters
- process conditions are not bound to ignition limits of the liberated alcohols
- more reliable process due to prevented steps of hydrolysis and condensation of the alkoxysilanes
- better space-time yield due to a ready to use aqueous, oligomeric product
- no additional removal or separation of the released alcohol needed
Easy application and formulation
- product can be directly mixed in water based polymer, filler or binder systems
Product Details
Technical Data Sheets
Further Information
Storage:
It is recommended to store VPS 2978 above 4°C.
VPS 2978 has a flash point > =95°C and can be stored and transported advantageously according to different local requirements, compared to flammable liquids (Category 2, 3 and 4), as the most established monomeric alkoxysilane materials are.
VPS 2978 has a flash point > =95°C and can be stored and transported advantageously according to different local requirements, compared to flammable liquids (Category 2, 3 and 4), as the most established monomeric alkoxysilane materials are.
Packaging:
VPS 2978 is supplied in 25 kg PE cans and 200 kg drums.
Shelf life:
VPS 2978 has a shelf life of at least 12 months from delivery in an originally sealed can or drum.