silicone adjuvant

Basic Product Information

• Product Name: Silicone Adjuvant
• Appearance: Colorless to pale yellow transparent oily liquid.

TYPICAL PROPERTIES

Appearance	Colorless to pale yellow transparent liquid
Viscosity (25℃),mm2/s	25-35
SurfaceTension     (0.1%wt),mN/m	＜20.5

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Physical Properties

• Appearance: Light yellow transparent liquid
• Viscosity: 300–3,000 mPa·s (customizable)
• Dispersibility: Easily soluble in water, alcohols, and non-polar solvents
• Temperature Resistance: Stable at -20°C ~ 150°C

Chemical Properties

• Active Groups: Polyether segments provide dynamic surface tension regulation capability
• Compatibility: Synergistic with anionic/nonionic surfactants without precipitation
• Environmental Protection: Passed GB/T 21879 biodegradability test (degradation rate >90% within 28 days)

Product Functions

• Rapid Defoaming: Low surface tension (<25 mN/m) rapidly pierces foam films.
• Long-Acting Antifoaming: Uniformly disperses in the system to continuously inhibit foam regeneration.
• System Stability: Resistant to acids and alkalis (pH 2-12) and electrolytes, suitable for harsh environments.
• Flexible Compounding: Can be used as a concentrated masterbatch or directly added to terminal defoamers.

Applications

Industry	Application Scenarios	Solved Pain Points
Wastewater Treatment	Aeration tanks, sludge dewatering	Eliminate biochemical foam to enhance oxygen transfer efficiency and process stability.
Food Processing	Fermentation tanks, sugar solution boiling	Inhibit foam overflow to prevent raw material waste, compliant with FDA 21 CFR 178.2010 food contact safety standards.
Paper Industry	Pulping, coating processes	Reduce paper surface defects (pinholes, fish eyes), improve sheet smoothness and yield, and minimize production waste.
Coatings & Inks	Water-based coating production, printing	Eliminate micro-foam-induced defects (craters, orange peel) in coatings to enhance film gloss and printing dot clarity.
Chemical Production	Petrochemical distillation, pesticide formulations	Suppress foam generated by highly volatile organic compounds (VOCs) to ensure distillation efficiency and pesticide formulation stability.
Biopharmaceuticals	Fermentation, extraction & purification	Reduce foam inhibition on microbial activity to improve product yield and minimize contamination risks during purification.

Core Advantages

Performance Indicators	Parameters/Effects	Test Standards	Competitor Comparison
Defoaming Speed	<5 seconds (0.1% addition)	ASTM D892-18	3 times faster than mineral oil-based products
Antifoaming Durability	>120 minutes (dynamic cycle test)	ISO 696-2020	50% longer-lasting than polyether-based products
Temperature Resistance	No performance degradation at 150℃	GB/T 17323	Suitable for high-temperature processes
Compatibility	Stable coexistence with 5% NaCl solution	Internal Control Standard	Solves defoaming challenges in electrolyte systems
Addition Amount	Effective at 0.01%-0.5%	—	Comprehensive cost reduced by 30%

Market Value

Core Performance Value Dimensions

• Defoaming/Antifoaming Performance

Defoaming Speed: <3 seconds (0.1% addition)

Antifoaming Durability: >120 minutes

Temperature Range: 0–150℃

• System Compatibility

pH Range: 2–13

Electrolyte Tolerance: >20% NaCl

Organic Solvent Stability

• Environmental Characteristics

Biodegradation Rate (28 days): >65%

Acute Toxicity (LD50): >5000 mg/kg

VOC Content: <50 ppm

Market Driver Matrix

• Industrial Demand Growth

Global Defoamer Market Size to Reach $4.2B by 2025

Water Treatment Sector CAGR: 8.5%

Annual Growth in Food Industry Demand: 7–9%

• Technical Substitution Trends

Substitution Space for Traditional Silicone Defoamers: $1.1B

Premium Capacity of Composite Products: 25–40%

Upgrades Driven by Environmental Regulations

• Economic Benefits

Usage Concentration Reduced by 30–50%

Processing Costs Lowered by 20–35%

System Operational Efficiency Improved by 15–25%

Technology Development Trends

• Functional Complexity

Dual Defoaming-Antifoaming Functionality

Bactericidal-Defoaming Composite

Dispersing-Defoaming Synergy

• Green Innovation

Application of Bio-Based Raw Materials

Degradable Structure Design

VOC-Free Formulations

• Intelligent Direction

Condition-Responsive Defoaming

Self-Regulating Concentration Control

Online Monitoring Systems

Experimental Data & Case Studies

Experimental Data

Test System	Blank Sample Foam Height (mm)	H-8228 Treated Foam Height (mm)	Antifoaming Rate
Papermaking Black Liquor (60℃)	210	25	88.1%
Fermentation Medium	185	15	91.9%
Water-Based Coatings	150	10	93.3%

Typical Application Cases

• White Water Circulation System in Paper Mill

Issue: Traditional defoamers caused oil spots on paper and required frequent replenishment.

Solution: Applied 0.03% H-8228 compounded emulsion.

Results:

Foam height reduced from 200mm to 30mm;

Defoamer usage decreased by 40%, annual cost savings of CNY 120,000.

• Beer Fermentation Process

Process Parameters: Added 0.08% H-8228 to the fermentation tank CIP system.

Outcomes:

Effective volume utilization of fermentation tanks increased by 15%;

Yeast activity remained unaffected (survival rate >99%).

Preparation Process, Core Technologies, and Precautions

Efficient Preparation Process System

• Catalytic Reaction System

Nano-platinum catalytic system (particle size: 2–3nm)

Supercritical CO₂ reaction medium (32MPa, 50℃)

Microchannel continuous flow process (residence time <5min)

• Precision Purification Technology

Molecular distillation-crystallization coupling

Multi-stage membrane separation (50–200kDa)

Subcritical water extraction purification

• Nano-Dispersion Technology

High-pressure microjet (250–300MPa)

Phase inversion temperature control

Microfluidic precise emulsification

Key Core Technical Breakthroughs

• Rapid Defoaming Technology

Low surface tension (22–24mN/m)

Enhanced interfacial film penetration

Promoted bubble coalescence

• Long-Acting Antifoaming Technology

Dynamic surface activity regulation

Stable interfacial adsorption layer

Surface migration inhibition

• Broad-Spectrum Compatibility Technology

pH stability (1–14)

Electrolyte tolerance (>25% salinity)

Temperature adaptability (-20–150℃)

Technical Index Breakthroughs

• Defoaming Performance

Defoaming speed: <2 seconds

Antifoaming time: >180 minutes

Minimum effective concentration: 50ppm

• Stability

Storage stability: >24 months

Thermal stability: 150℃/4h

Mechanical stability: 3000rpm/30min

• Safety and Environmental Protection

Biodegradation rate: >70%

Acute toxicity: LD50>10000mg/kg

VOC content: <10ppm

Precautions

• Storage: Avoid freezing, store sealed below 40℃ (shelf life: 18 months).
• Compatibility Testing: Conduct small-scale tests for new systems; avoid direct mixing with high-concentration oxidizers.

Packaging & Ordering

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