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Silicone Resins

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WACKER produces and markets silicone resins under the brand name SILRES®. Silicone resins are classified as organopolysiloxanes and consist of an irregular three-dimensional network composed of mainly tri- or tetra-functional units.

These organopolysiloxanes are very stable due to the strength of the Si-O bond. Silicone resins can be combined with many organic polymers, and this makes it possible to tailor a large number of properties to the intended application, e.g. curing behavior, flexibility, adhesion, and resistance to weathering.

SILRES® silicone resins are available in different product forms:

  • Silicone resin emulsions
  • Silicone resin solutions
  • Silicone resin copolymers

The organic substituents bonded to the silicon atom can be varied to provide important macroscopic properties.

Examples:

  • Heat resistance
  • Outstanding oxidation resistance
  • Water-repellency with simultaneous vapor permeability
  • Outstanding mechanical properties
  • Ideal dielectric behavior
  • Permanent resistance to weathering and UV radiation
  • Very low VOC content (volatile organic compounds)

SILRES® silicone resins can be used to formulate highly durable, water-repellent facade coatings.

The resistance of SILRES® silicone resins to high temperatures makes them ideal for use in heat-resistant coatings.

SILRES® silicone resins serve in a variety of applications, such as:

  • Binders for silicone resin emulsion paints and plasters
  • Binders for industrial coatings
  • Binders for organic fillers, e.g. pre-ceramics
  • Binders for fabrics or textile webs in the composites industry
  • Impregnating agents for electrical windings
  • Hydrophobic agents for masonry protection
  • Modifiers for alkyd, epoxy, polyester and acrylic paints.
  • Release agents for the plastics industry

Silicone Resin Emulsions

On mineral building substrates and coatings, silicone resin emulsions form a stable three-dimensional network that is weatherable and water-repellent and is firmly held to the mineral substrate by strong chemical bonds. This silicone resin network is key to their versatility as binders for masonry protection applications. Now that products are increasingly required to be environmentally and user-friendly – which essentially means they must have a low VOC content (volatile organic compounds) – water-based heat-resistant coatings are growing in importance. Coatings formulated with silicone resin emulsions have a much-reduced volatiles content compared with those made with traditional solvent-based resins.

Silicone Resin Solutions

Traditional silicone resin solutions are very easy to use, because they dry very rapidly in air and offer good adhesion and initial hardness. Low-solvent silicone resin products are available, though, for formulating high-solids coatings. Silicone resin solutions are chiefly used for heat-resistant coatings and weatherable topcoats.

Silicone Resin Copolymers

The properties of organic resins, especially alkyd, polyester, epoxy and acrylic-based types, can be greatly enhanced by modification with silicone resins. Thus, depending on the type of organic resin, the coatings produced with silicone resin copolymers are more resistant to heat, weathering and UV radiation. In addition, these coatings are often more economical for end customers due to their longer lifetime.

Produktempfehlungen

Produkte
Technische Daten
Produktmerkmale
Refractive index Viscosity, kinematic pH Appearance Emulsifier type Content Anwendung Produkttyp Regulatorisch Spezifische Merkmale
BELSIL® eco EG 3001 - - - - - - - - - - - - - - - -
BELSIL® eco REG 1102 - - - - - - - - - - - - - - - -
BELSIL® eco TMS 803 - - - - - - - - - - - - - - - -
BELSIL® EG 1200 - - - - - - - - - - - - - - - -
BELSIL® EG 3000 - - - - - - - - - - - - - - - -
BELSIL® EG 6000 - - - - - - - - - - - - - - - -
BELSIL® PMS MK POWDER - - - - - - - - - - - - - - - -
BELSIL® REG 1102 - - - - - - - - - - - - - - - -
BELSIL® REG 1103 B - - - - - - - - - - - - - - - -
BELSIL® RG 100 - - - - - - - - - - - - - - - -
BELSIL® RG 90 - - - - - - - - - - - - - - - -
BELSIL® SPR 45 VP 1.55[1] 1.55[1] - - - - - - - - - - - - - -
BELSIL® TMS 803 - - - - - - - - - - - - - - - -
LIOSIL® eco MQ 803 - - - - - - white Powder white Powder - - - - - Pulver technisch -
SILRES® 610 - - - - - - colorless flakes[4] colorless flakes[4] - - - - - - - -
SILRES® BS 45 - - - - approx. 5 approx. 5 milky, white[5] milky, white[5] - - ~ 54 wt. %[8] ~ 54 wt. %[8] - - - -
SILRES® BS 54 - - - - approx. 5 approx. 5 milky, white - milky, white[5] milky, white - milky, white[5] - - - - - - - -
SILRES® HK 46 - - 40 - 60 mm²/s[13] 40 - 60 mm²/s[13] - - clear, colorless to slightly yellow solution clear, colorless to slightly yellow solution - - - - - - - -
SILRES® HP 2000 - - 100 - 400 mm²/s[13] 100 - 400 mm²/s[13] - - clear, yellowish liquid clear, yellowish liquid - - - - - - - -
SILRES® HP 2020 - - approx. 120 mm²/s approx. 120 mm²/s - - clear, colorless to yellowish liquid clear, colorless to yellowish liquid - - - - - - - -
SILRES® IC 232 1.5 - 1.505[2] 1.5 - 1.505[2] - - - - clear, light straw-colored liquid clear, light straw-colored liquid - - - - - - - -
SILRES® IC 368 1.5 - 1.505[3] 1.5 - 1.505[3] - - - - clear, light straw-colored liquid clear, light straw-colored liquid - - - - - - - -
SILRES® IC 678 1.5 - 1.505[3] 1.5 - 1.505[3] - - - - clear, light straw-colored liquid clear, light straw-colored liquid - - - - - - - -
SILRES® IC 701 - - - - - - - - - - - - - - - -
SILRES® IC 836 - - - - - - - - - - - - - - - -
SILRES® IC 900 - - - - - - - - - - - - - - - -
SILRES® KX - - - - - - clear, colorless to slightly yellow solution clear, colorless to slightly yellow solution - - - - - - - -
SILRES® M 51 E - - - - - - white milky emulsion white milky emulsion nonionic nonionic 50 - 54 %[9] 50 - 54 %[9] Hitzebeständig: wässrig, Witterungsbeständigkeit Emulsionen - -
SILRES® MP 50 E - - - - - - white milky emulsion white milky emulsion nonionic nonionic < 8 %[10] < 8 %[10] - - - -
SILRES® MPF 52 E - - - - 7 - 9 7 - 9 white milky emulsion white milky emulsion nonionic nonionic 52 - 63 %[9] 52 - 63 %[9] - - - -
SILRES® MSE 100 - - - - - - clear, low-viscous liquid clear, low-viscous liquid - - - - - - - -
SILRES® REN 100 - - - - - - Colorless to yellowish Colorless to yellowish - - - - - - - -
SILRES® REN 168 - - - - - - - - - - - - - - - -
SILRES® REN 80 - - - - - - clear, colorless to slightly yellow solution clear, colorless to slightly yellow solution - - - - - - - -
SILRES® SY 231 1.5 - 1.505[3] 1.5 - 1.505[3] - - - - clear, light straw-colored liquid clear, light straw-colored liquid - - - - - - - -
SILRES® SY 285 CN - - - - - - - - - - - - - - - -
SILRES® SY 287 CN - - - - - - - - - - - - - - - -
SILRES® SY 300 - - - - - - - - - - - - - - - -
SILRES® SY 409 - - - - - - clear solution clear solution - - - - - - - -
SILRES® WH - - - - approx. 6 approx. 6 milky, white[6] milky, white[6] - - approx. 54 wt. %[8] approx. 54 wt. %[8] - - - -
SILRES® 603 - - - - - - - - - - - - - - - -
SILRES® 604 - - - - - - - - - - - - - - - -
SILRES® 64558 VP - - - - - - - - - - - - - - - lösemittelhaltig, hitzebeständig, kondensationsvernetzend, wasserabweisend, Schnelle Aushärtung unter Hitze, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® BS 1603 CN - - 130 - 300 mm²/s[14] 130 - 300 mm²/s[14] - - clear, colorless to slightly yellow[7] clear, colorless to slightly yellow[7] - - - - - - - -
SILRES® BS 1703 SQ - - 130 - 300 mm²/s[14] 130 - 300 mm²/s[14] - - clear, colorless to slightly yellow[7] clear, colorless to slightly yellow[7] - - - - - - - -
SILRES® BS 50 - - - - - - milky, white[5] milky, white[5] - - 50.0 wt. %[11] 50.0 wt. %[11] - - - -
SILRES® BS 60 - - - - approx. 7 approx. 7 milky, white[5] milky, white[5] - - - - - - - -
SILRES® BS 7070 - - - - - - - - - - - - - - - -
SILRES® BS 710 - - - - - - - - - - - - - - - -
SILRES® BS 97 - - - - - - white, milky liquid white, milky liquid - - 50.0 wt. %[12] 50.0 wt. %[12] - - - -
SILRES® H44 - - - - - - - - - - - - - - - lösemittelfrei, hitzebeständig, kondensationsvernetzend, wasserabweisend, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® H60 A/B - - - - - - - - - - - - - - - lösemittelfrei, niedrige Viskosität, hitzebeständig, wasserabweisend, flüssig, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® H62 C - - - - - - - - - - - - - - - lösemittelfrei, niedrige Viskosität, einkomponentig, hitzebeständig, wasserabweisend, flüssig, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® HP 2000 LV - - 100 - 400 mm²/s[13] 100 - 400 mm²/s[13] - - clear, yellowish liquid clear, yellowish liquid - - - - - - - -
SILRES® K - - - - - - - - - - - - - - - lösemittelhaltig, hitzebeständig, kondensationsvernetzend, wasserabweisend, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® MK FLAKES - - - - - - - - - - - - - - - lösemittelfrei, hitzebeständig, kondensationsvernetzend, wasserabweisend, UV- & verwitterungsbeständig, elektrisch isolierend
SILRES® MK POWDER - - - - - - - - - - - - - - - hitzebeständig, kondensationsvernetzend, wasserabweisend, UV- & verwitterungsbeständig, elektrisch isolierend, lösemittelfrei
SILRES® REN 50 - - - - - - clear, colorless to slightly yellow liquid clear, colorless to slightly yellow liquid - - - - - - - -
SILRES® REN 60 - - - - - - clear, colorless to slightly yellow liquid clear, colorless to slightly yellow liquid - - - - - - - -
SIPELL® RE 55 M - - - - - - - - - - - - - - - -
WACKER® 1035 - - - - - - colorless, clear to opaque colorless, clear to opaque - - - - - - - -
WACKER® 1038 - - - - - - clear, colorless clear, colorless - - - - - - - -
WACKER® E 37 - - - - - - milky milky nonionic / anionic nonionic / anionic - - - - - -
WACKER® MQ 803 TF - - - - - - white powder white powder - - - - - - - -
WACKER® TPR - - - - - - clear clear - - - - - - - -
Legend
[1] Refractive index (film) | 25 °C ,  [2] Refractive index | 25.0 °C ,  [3] Refractive index | 25 °C ,  [4] Optical appearance,  [5] Appearance | ASTM D 412,  [6] appearance and color | ASTM D 412,  [7] Appearance and color,  [8] Solid content,  [9] Solids content,  [10] Solvent content (xylene),  [11] Active content,  [12] Active substance,  [13] Viscosity, kinematic | 25 °C ,  [14] Viscosity, kinematic | DIN 51562-1  

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