Methyl Hydrogen Silicone Fluid

Basic Product Information

• Product Name: Methyl hydrogen siloxane
• Appearance: Colorless to pale yellow transparent oily liquid.

TYPICAL PROPERTIES

Appearance	colorless transparent liquid
Viscosity (25℃),mm2/s	20-250
H% (wt)	0.04-1.45
Volatile content(150℃,3h),%	≤11

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Physical Properties

Low Viscosity: 50–500 cSt

High-Temperature Resistance: Stable from -30°C to 200°C

Excellent Spreadability: Ensures uniform surface coverage

Chemical Properties

Reactive Si-H Bonds: Enable the formation of durable functional films on fiber surfaces via cross-linking reactions, enhancing material durability.

Product Functions

• Water & Oil Repellent Treatment

Imparts durable water and oil repellency to fabrics.

• Softening & Smoothing Treatment

Significantly enhances fabric hand feel and improves smoothness.

• Antistatic Treatment

Reduces fiber friction-induced static electricity, enhancing wearing comfort.

• Abrasion Resistance Enhancement

Reduces fiber abrasion and extends textile service life.

Applications

• Apparel Fabrics: Outdoor jackets, sportswear, premium suits.
• Home Textiles: Upholstery fabrics, curtains, bedding.
• Industrial Textiles: Filter materials, protective clothing, automotive interiors.
• Specialty Fabrics: Medical textiles, flame-retardant fabrics.

Core Advantages

Advantage	Textile Value	Data Support
Durable Water Resistance	Water repellency retention >90% after 50 washes	Water contact angle ≥130° (AATCC 22)
Ultra-Soft Hand Feel	40% improvement in fabric softness	Validated by sensory evaluation + mechanical testing
Energy Efficiency	Low-temperature curing (120°C × 1 min)	30% energy saving vs. conventional processes
Multifunctional Integration	Single-step process achieves waterproofing + softening + antibacterial effects	Passes ISO 20743 antibacterial testing
Eco-Safety	PFOS/PFOA-free; compliant with ZDHC standards	OEKO-TEX® Class I certification

Market Value

Global Market Overview

• Market Size

2023 Market Size: USD 380–420 million

Share of Textile Auxiliaries Market: 12–15%

Projected 2025 Size: USD 500–550 million (CAGR 8–10%)

• Regional Distribution

Asia-Pacific Dominance (65%): China accounts for 55% of global production capacity.

Europe’s Premium Market: Commands 30–50% price premium.

North America’s Technological Leadership: Holds 40% of global patents.

Technological Innovation Value

• Eco-Friendly Product Development

Solvent-Free Formulations:

Water-based emulsions with ≥40% solid content

VOC content ≤50 g/L

Biodegradability:≥60% degradation rate within 28 days

EU Eco-label certified products

• High-Performance Modification Technologies

Hyperbranched Structures:

Molecular weight distribution ≤1.05

30% improvement in finishing efficacy

Nano-Composite Systems:

SiO₂ nanoparticle reinforcement

5–8× enhancement in abrasion resistance

• Smart Functionalization

Thermochromic Applications:

Color transition range: 30–40°C

Emerging market in sportswear

Humidity-Responsive Materials:

Moisture permeability change ≥3000 g/m²/24h

Dedicated products for medical dressings

Development Trends & Forecasts

• Technology Directions

Bio-based Raw Materials:

30% substitution with castor oil derivatives

40% reduction in carbon footprint

Digital Twin Integration:

50% efficiency gain in process optimization

60% shorter product development cycles

• Market Opportunities

Sustainable Fashion:

Growing demand for recycled fiber treatments

Estimated 2025 market size: USD 280 million

Medical Textiles:

Antiviral functional products

CAGR 15–18%

• Policy Drivers

China’s 14th Five-Year Plan:

Green manufacturing subsidies

20% stricter energy efficiency standards

EU REACH Regulations:

2025 restricted substance list update

8–10% increase in compliance costs

Experimental Data & Case Studies

Outdoor Apparel Applications

• Experimental Data:

Hydrostatic Resistance: >10,000 mm (ISO 811)

Moisture Permeability: >8,000 g/m²/24h (ASTM E96)

Tested on hydrogen silicone oil-treated outerwear fabrics.

• Case Study:

Leading International Outdoor Brand:

Adopted hydrogen silicone oil finishing agent, achieving BlueSign® certification and driving 35% sales growth.

Luxury Home Textile Applications

• Experimental Data:

Friction Coefficient: Reduced to 0.15 (untreated: 0.35)

Anti-Pilling Performance: Improved to Grade 4–5 (GB/T 4802.1)

Tested on hydrogen silicone oil-treated silk fabrics.

• Case Study:

Premium Home Textile Brand:

Applied to high-end bedding series, resulting in 50% increase in customer repurchase rate.

Medical Textile Applications

• Experimental Data:

Blood Penetration Resistance: >5 min (YY/T 0506)

Bacterial Barrier Rate: >99% (ISO 22610)

Tested on surgical drapes with hydrogen silicone oil coatings.

• Case Study:

Top 3 Domestic Medical Dressing Manufacturer:

Replaced imported products, achieving 40% cost reduction while maintaining performance.

Preparation Process, Core Technologies & Precautions

Preparation Process

• Basic Synthesis Process

Raw Material System:

Primary Raw Materials:

Dimethyl dichlorosilane (≥99.8% purity)

Methyl hydrogen dichlorosilane (hydrogen content ≥99.5%)

Auxiliary Materials:

Hexamethyldisiloxane (end-capping agent)

Platinum-based catalyst (Pt content: 50–100 ppm)

• Hydrolysis & Polycondensation

Process Parameters:

Temperature control: 25–30°C (±0.5°C)

pH adjustment: 4.5–5.5 (acetic acid/sodium acetate buffer system)

Molar ratio: Si-H/Si-CH₃ = 0.15–0.35

Key Equipment:

Enamel reactor (with variable-frequency stirring)

Online pH monitoring system

• Molecular Weight Control

Chain Termination:

Hexamethyldisiloxane dosage: 1–3%

Molecular weight distribution (PDI ≤1.25)

Process Optimization:

Stepwise heating (30°C → 60°C → 90°C)

Vacuum devolatilization (-0.095 MPa, 120°C)

Functional Modification Technologies

• Polyether Modification

Grafting Process:

Allyl polyoxyethylene ether (EO/PO = 3:1)

Platinum-catalyzed addition (80–90°C, 4–6h)

Performance Metrics:

Cloud point (1% aqueous solution) ≥95°C

Surface tension ≤22 mN/m

• Amino Modification

Reaction System:

Allylamine (primary amine content ≥90%)

Isopropanol solvent system

Key Controls:

Amine value: 0.8–1.2 mmol/g

Yellowing index ≤1.5 (ΔYI)

• Epoxy Modification

Key Techniques:

Glycidyloxypropyltrimethoxysilane

Solvent-based reaction (toluene reflux)

Application Properties:

Epoxy value: 0.25–0.35 eq/100g

40% improvement in cotton fiber binding strength

Core Process Technologies

• Precision Hydrogen Content Control

Analytical Methods:

Infrared spectroscopy (Si-H characteristic peak at 2160 cm⁻¹)

Chemical titration (accuracy ±0.02%)

Control Methods:

Fine-tuning raw material ratios (±0.5%)

Reaction termination timing control

• Low-Viscosity Technology

Process Innovations:

Molecular sieve selective adsorption (3Å pore size)

Supercritical CO₂ extraction (pressure: 8–10 MPa)

Product Specifications:

Viscosity at 25°C: 50–100 cSt

Volatile content ≤0.3%

• Microemulsification Technology

Emulsification System:

Nonionic surfactant (HLB 12–14)

Co-emulsifier (C₈–C₁₀ alcohol)

Process Parameters:

High-pressure homogenization (80–100 MPa)

Particle size distribution (D90 ≤100 nm)

Precautions

Avoid direct mixing with cationic auxiliaries.

Storage temperature: 5–30°C; prevent freezing.

Packaging & Ordering

Packaging: 200kg/1000kg plastic drums (customizable).