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lf af11 amino modified fluorosilicone fluid
lf af11 amino modified fluorosilicone fluid

LF-AF11 Amino-Modified Fluorosilicone Fluid

Silfluo LF-AF11 is an amino-modified fluorosilicone fluid, combining reactive amino groups grafted onto a polytrifluoropropylmethylsiloxane backbone.

The fluorosilicone backbone delivers the extreme oleophobicity, ultra-low surface tension, and solvent resistance characteristic of fluoropolymer chemistry; the amino functional groups provide substrate affinity, fiber anchoring, and the softening performance associated with amino silicone finishing agents — a dual-property combination not achievable with either amino silicone or fluoropolymer alone.

Viscosity (200–3,000 mPa·s) and amine value (0.1–0.4 mmol/g) are customizable to match specific textile finishing or defoaming formulation requirements.

Typical Technical Properties of LF-AF11 Amino-Modified Fluorosilicone Fluid


Silfluo Code:

LF-AF11

Chemical Name:

Synonyms:

Amino-Modified Fluorosilicone Fluid

Amino-Functionalized Fluorosilicone Oil; Amino-Modified Polytrifluoropropylmethylsiloxane

Appearance

Transparent or translucent viscous liquid

Viscosity (25°C, mPa.s)

200 ~ 3000

Amine Value (mmol/g)

0.1 ~ 0.4

Refractive Index (25°C, nD25)

1.3800 ± 0.01

pH Value:

7.0 ~ 8.0

* Can customize according to the requirements.


Applications of LF-AF11 Amino-Modified Fluorosilicone Fluid


  • Premium Textile Finishing Agent

    Used as fabric finishing agent for woven and nonwoven textiles requiring simultaneous oil repellency, solvent resistance, and soft hand-feel. Amino groups anchor durably to fiber surfaces (cotton, wool, nylon, polyester) via ionic or covalent interaction, maintaining performance through repeated washing cycles. Fluorosilicone backbone provides oil and water barrier properties superior to standard amino silicone finishes. Applied via padding, exhaustion, or spray in dilute aqueous emulsion at typical use levels of 1–5% owf; optimize concentration and pH for specific fiber and fabric construction.

  • Defoamer for Textile Dyeing and Printing

    Used as defoaming agent in textile printing and dyeing processes involving high-shear agitation, elevated temperature, and surfactant-rich aqueous systems where standard silicone defoamers lose efficacy. Ultra-low surface tension of the fluorosilicone backbone enables rapid foam film destabilization in harsh chemical environments. Typical addition level 0.01–0.1% in the process bath; verify compatibility with dye and auxiliary chemistry before full-scale use.


Dimension

LF-AF11 (Amino Fluorosilicone)

Standard Amino Silicone

Backbone

Fluorosilicone (–CF₂CF₂CH₂– side chain)

PDMS

Surface tension

Ultra-low — fluoropolymer level

Low — silicone level

Water repellency

Excellent

Good

Oil and solvent repellency

Excellent

Poor

Fiber softening

Good

Excellent

Defoaming in aggressive media

Excellent

Moderate

Emulsifiability

High

High

Primary advantage

Oil + water + solvent resistance with softness

Maximum softness; lower cost


Parameter

Range

Effect

Viscosity

200–3,000 mPa·s

Higher viscosity — thicker film; greater substantivity

Amine value

0.1–0.4 mmol/g

Higher amine value — stronger fiber anchoring; more reactive


Package &Storage of LF-AF11 Amino-Modified Fluorosilicone Fluid


  • In 100g, 1kg, 5kg, 10kg pail

  • Storage: Store in a cool, dark, and dry environment at low temperatures. Ensure containers are tightly sealed when not in use to preserve chemical stability.

  • Shelf Life: 12 months from the date of production under proper storage conditions.

  • Transportation: Classified and shipped as a non-hazardous chemical.



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