Suzhou Ke Sheng Tong
New Materials Technology Co., Ltd
Bio-SAH™ 342 Liquid Carbodiimide, PU Enhancement Solution
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Bio-SAH™ 342 Liquid Carbodiimide, PU Enhancement Solution

Bio-SAH™ 342 Liquid Anti-Hydrolysis Additive for Polyurethane is a cutting-edge solution designed to enhance the durability and performance of polyurethane products. Formulated to resist hydrolysis, this additive prolongs the lifespan of polyurethane materials, making them more resilient in challenging environments. The liquid form of the additive allows for easy integration into polyurethane formulations, ensuring a seamless and efficient manufacturing process. Ideal for industrial applications where polyurethane products are exposed to moisture or harsh conditions, Bio-SAH™ 342 offers superior protection and reliability. Upgrade your polyurethane products with this innovative additive and experience enhanced quality and longevity.
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  • Bio-SAH™ 342Liquid

  • Bio-SAH™

  • Bio-SAH™ 342Liquid

Bio-SAH™ 342Liquid is an innovative liquid-form hydrolysis stabilizer designed to protect ester-based polymers from moisture degradation. As a high-efficiency plastic additive, it extends the lifespan of polyurethane (PU), PET, PLA, and other engineering plastics in demanding environments.


Key Features

  1. Superior Hydrolysis Resistance

    • Forms a protective barrier against water molecule attack on ester groups.

    • Maintains polymer integrity in high-humidity and high-temperature conditions.

  2. Liquid Formulation Advantages

    • Easier handling and more uniform dispersion than powder additives.

    • No dust generation, improving workplace safety.

  3. Enhanced Thermal Stability

    • Effective at processing temperatures up to 250°C.

    • Prevents thermal degradation during polymer processing.

  4. Broad Material Compatibility

    • Works effectively with PU, PET, PBAT, PLA, and other polyesters.

    • Compatible with both biodegradable and conventional plastics.

  5. Eco-Friendly Composition

    • Contains bio-based components.

    • Complies with REACH, RoHS, and FDA regulations.


Primary Functions

  • Moisture Protection: Prevents hydrolytic chain scission in ester-based polymers.

  • Mechanical Property Preservation: Maintains tensile strength and elongation.

  • Process Stability: Reduces viscosity variation during processing.

  • Sustainability Support: Enhances durability of biodegradable plastics.


Product Description

Bio-SAH™ 342Liquid is a clear to slightly yellow viscous liquid with excellent flow properties. Its unique liquid formulation ensures homogeneous distribution throughout polymer matrices without requiring special mixing equipment. The product is non-volatile and non-migrating, making it ideal for long-term applications.

Technical Specifications:

  • Appearance: Clear to pale yellow liquid

  • Active Content: ≥85%

  • Viscosity (25°C): 500-1500 mPa·s

  • Density (20°C): 1.05-1.15 g/cm³

  • Flash Point: >150°C


Applications

  1. Polyurethane Systems

    • Elastomers: Improves hydrolytic stability in automotive parts.

    • Foams: Extends service life of mattress and insulation foams.

  2. Packaging Materials

    • PET Bottles: Enhances resistance to hot-fill processes.

    • Biodegradable Films: Protects PLA/PBAT films in humid conditions.

  3. Textile Fibers

    • Increases wash resistance of PET fibers.

  4. Engineering Plastics

    • Protects nylon and polyester components in electronic and automotive applications.


Advantages Over Competing Products

Easier Processing: Liquid form simplifies incorporation into polymer systems.
Higher Efficiency: Provides better dispersion and more consistent results than powder alternatives.
Long-Term Protection: Continues to function throughout product lifespan.
Versatile Application: Suitable for multiple polymer types and processing methods.


Recommended Dosage

  • Polyurethanes: 0.5-2% by weight

  • PET/PLA/PBAT: 0.3-1.5% by weight

  • Nylon/Engineering Plastics: 1-3% by weight

Note: Optimal dosage depends on polymer type, processing conditions, and end-use requirements.


Why Choose Bio-SAH™ 342Liquid?

As a next-generation hydrolysis stabilizer, Bio-SAH™ 342Liquid combines exceptional performance with user-friendly liquid processing. It represents the perfect solution for manufacturers seeking to enhance product durability while simplifying production processes.

Contact us today for technical consultation or sample requests!

Introducing our Polymeric Carbodiimide Liquid Anti-hydrolysis Additive, Bio-SAH™ 342Liquid, specially designed for use in Polyurethane (PU) applications. Crafted with utmost precision, this professional-grade product offers a range of exceptional features to enhance the performance and longevity of your PU materials.

Our Polymeric Carbodiimide Liquid Anti-hydrolysis Additive, Bio-SAH™ 342Liquid, acts as a powerful shield against hydrolysis, ensuring that your PU materials remain intact and resistant to water damage. This additive effectively prevents the degradation caused by moisture, thus extending the lifespan of your PU products.

With its liquid form, our Bio-SAH™ 342Liquid is easy to handle and incorporate into your PU manufacturing process. Its compatibility with PU systems allows for seamless integration, enabling you to effortlessly enhance the hydrolysis resistance of your final products.

Polyurethane (PU) Aare susceptible to hydrolysis, especially when exposed to moisture over time. To counteract the effects of hydrolysis in polyurethane formulations, various anti-hydrolysis additives can be incorporated. Here are some common types of anti-hydrolysis additives used for polyurethane:

  1. Isocyanate Blocking Agents: Blocking isocyanate groups within the polyurethane formulation can protect against hydrolysis. Blocking agents, such as phenols or alcohols, react with unreacted isocyanate groups, preventing their exposure to moisture.

  2. Stabilizers and Antioxidants: Hindered phenols, phosphites, and other antioxidant compounds are often used to stabilize polyurethanes against oxidative degradation, including hydrolysis. These additives help scavenge free radicals and protect the polymer from the effects of water exposure.

  3. Silane Coupling Agents: Silane-based additives can enhance the moisture resistance of polyurethane by improving the adhesion between the polymer matrix and fillers or reinforcing materials. This can create a hydrophobic surface that reduces water absorption.

  4. Moisture Scavengers: Certain additives are designed to actively scavenge and absorb moisture within the polyurethane formulation. These moisture scavengers can help prevent water from participating in hydrolytic reactions.

  5. Chain Extenders: Incorporating chain extenders can improve the resistance of polyurethane to hydrolysis. Chain extenders promote cross-linking between polymer chains, enhancing the material's overall stability.

  6. Polymer Modification: Modifying the polyol or isocyanate components of the polyurethane formulation can enhance its resistance to hydrolysis. For example, incorporating hydrophobic segments or using specialized polyols can reduce water absorption.

When formulating polyurethane with anti-hydrolysis properties, it's crucial to consider the specific application, processing conditions, and environmental exposure. The effectiveness of these additives may vary based on the intended use of the polyurethane product. Manufacturers often conduct extensive testing to ensure that the chosen anti-hydrolysis additives provide the desired protection without compromising other essential properties of the polyurethane.


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