Dynasylan® HYDROSIL 2775 is an organosilicon compound (aqueous oligomeric aminoalkylfunctional silane hydrolysate) based on water as the solvent and contains no volatile organic constituents.
Dynasylan® HYDROSIL 2775 contains both primary and secondary amino-functional groups. The triaminofunction of this silane is preferred to be used in the following resin systems: epoxy-, polyurethane-, imide-, phenol-, polyamide-, polyphenylene oxide and polyvinyl chloride.
Typical Applications
Dynasylan® HYDROSIL 2775 is a bifunctional organic compound in which the silanol groups can be bonded to an inorganic substrate and the organophilic aminoalkyl-functional group can interact with a suitable polymer or resin.
Examples of suitable inorganic substrates are:
Examples of suitable polymers or resins are:
Dynasylan® HYDROSIL 2775 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
- Elastomere like silicones
Dynasylan® HYDROSIL 2775 finds application in many industries. Advantages arise in water-based systems.
Examples are:
- as a glass and metal primer
- as a size constituent of glass fiber/glass fabric composites or mineral wool insulating materials
- as an additive to foundry resins and abrasives
- as a pretreatment or an additive to mineral-filled thermoplastic compounds
- as an additive for adhesives and sealants to improve adhesion to the substrate
- as an additive and/or primer for paints and varnishes to improve adhesion to the substrate
Benefits at a glance
The particular advantages of Dynasylan® HYDROSIL 2775 compared with the corresponding monomeric amino-functional alkoxysilanes are:
Important product effects that can be achieved by using Dynasylan® HYDROSIL 2775 are:
Dynasylan® HYDROSIL 2775 helps to improve processing properties such as:
- Alcohol content of ≤ 1% guarantees nonflammability, safe handling and minimal volatile organic constituents emisssion.
- No hydrolysis chemistry is needed as Dynasylan® HYDROSIL 2775 is a ready-to-use aqueous silane hydrolysate.
- Easily diluted with water to adjust to target concentration.
- Adaptable in a broad pH range.
Important product effects that can be achieved by using Dynasylan® HYDROSIL 2775 are:
- Improved mechanical properties - flexural strength, tensile strength, impact strength and modulus of elasticity.
- Improved resistance - to moisture and corrosion.
- Improved adhesion - by excellent surface wetting of inorganic substrates and optimal reaction with organic polymers.
Dynasylan® HYDROSIL 2775 helps to improve processing properties such as:
- Nonflammability - making almost no particular equipment safety precautions necessary.
- Better filler dispersion - leading to increased filler content during compounding.
Product Details & Documents
Technical Data Sheets
Further Information
Storage:
It is recommended to store Dynasylan® HYDROSIL 2775 above 4 °C.
Dynasylan® HYDROSIL 2775 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.
Dynasylan® HYDROSIL 2775 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:
Dynasylan® HYDROSIL 2775 is supplied in 25 kg PE cans and 200 kg drums.
Shelf life:
Dynasylan® HYDROSIL 2775 has a shelf life of minimum 12 months from delivery in an originally sealed can or drum.