1、High

Subsequently, PU in varying ratios was chemically modified with epoxy resin (EP) to prepare a series of PU grafted EP composites. A light-heat dual-curing system SR was then developed, and the effects of different PU ratios on the performance of SR were systematically studied.

2、Modified One

Modified one-component PU resin is a high-molecular-weight compound polymerized from PU as the base monomer. It exhibits excellent mechanical properties, wear resistance, chemical corrosion resistance, and good processability.

3、Modified PU Structure Adhesive 1

Features of Modified PU Structure Adhesive 1 System WINNATE/WINCURE Advantage ·Anti-moisture, non-foaming ·No VOC (non-plasticizer, non-thinner) ·Self-reinforcement and flame retardant ·Compatible with inorganic, metal, polar resin (PC/PET/PMMA/Nylon) Application Structural adhesive for rigid bonding of rock plate & wall tile

4、Single

Currently, a wide range of single-component polyurethane sealants [22–40], including ones modified with silanes and other components, both filled and clear, are industrially produced globally.

Sikagard® PU UR (W)

Sikagard® PU UR (W) is a single component, coloured, waterborne modified polyurethane resin based surface coating containing an organic in-film preservative

One

Yele water based one-component polyurethane resin series products, has film forming characteristics of soft,wear-resistant, bending resistance. Advantages: High gloss, soft to the touch, dry and transparent. Packaging specifications: 200L or 250L iron drums, other customized packaging can be agreed. Technical data: Application:

Manufacturing and Performance Evaluation of Polyurethane Composites

In this study, glass fiber reinforced composite laminates using one-part and two-part PU resin are manufactured using vacuum-assisted resin transfer molding (VARTM) process. A new generation two-part thermoset PU resin system is investigated and compared with commercial one-part PU resin systems.

Preparation of Polyurethane Monolithic Resins and Modification with a

Resins of polyurethane were prepared from vegetable oils (crambe and castor) and modified by adding green corrosion inhibitor (condensed tannin).

Preparation and Performance Enhancements of Low

On this basis, epoxy resin was added through two methods; one approach was that epoxy resin was directly added to Component A (EPU-WG), and the other was that epoxy resin and isocyanate were firstly prepared as a prepolymer as Component B (EPUP-WG).

Polyurethane (PU) Resins in Coatings and Inks: Overview and Benefits

Find the perfect Polyurethane (PU) Resins! Explore properties, benefits and top products for Coatings and Inks portfolio.

Modified One-Component PU Resin

With the continuous advancement of technology, polymer materials have found increasingly widespread applications across various fields. Among them, modified one-component polyurethane (PU) resin, as a novel high-performance polymer material, has garnered significant attention due to its unique properties and broad application prospects. This article provides a detailed introduction to the fundamental concepts, classifications, performance characteristics, and application fields of modified one-component PU resin.

I. Basic Concept

Modified one-component PU resin is a high-molecular-weight compound polymerized from PU as the base monomer. It exhibits excellent mechanical properties, wear resistance, chemical corrosion resistance, and good processability. Compared to traditional two-component PU resins, modified one-component PU resin offers higher cross-linking density and superior mechanical properties, making it advantageous in many high-performance applications.

II. Classification

Based on different application requirements, modified one-component PU resin can be classified according to its performance characteristics. Common classification methods include:

1. By Hardness:

   • Soft PU: Primarily used in footwear, furniture, toys, and other fields, offering excellent elasticity and flexibility.
   • Hard PU: Mainly applied in industrial products, sports equipment, and other areas, characterized by high hardness and wear resistance.

2. By Viscosity:

   • Low-viscosity PU resin is suitable for applications requiring good fluidity, such as coatings and adhesives.
   • High-viscosity PU resin is used in fields demanding high adhesion and wear resistance.

3. By Color:

   • Light-colored PU resin is commonly used in decorative materials and footwear.
   • Dark-colored PU resin is preferred for industrial products, automotive parts, and similar applications.

III. Performance Characteristics

Modified one-component PU resin possesses the following key features:

1. Excellent Mechanical Properties: High cross-linking density and robust mechanical strength enable superior tensile strength, tear resistance, and wear resistance, making it suitable for high-performance scenarios.

2. Good Processability: Its excellent fluidity and ease of processing allow for versatile shaping methods, including extrusion, injection, and calendering, offering flexibility during manufacturing.

3. Chemical Resistance: Resistant to a wide range of chemicals, providing advantages in chemically sensitive applications.

4. Environmental Friendliness: Synthesized using eco-friendly raw materials, it is free from harmful substances and has minimal environmental impact, making it ideal for green applications.

IV. Application Fields

Due to its unique properties, modified one-component PU resin is widely used in the following areas:

1. Footwear: Employed in sports shoes, casual shoes, and other footwear due to its wear resistance and flexibility. It is also used for insoles, outsoles, and other components.

2. Furniture: Utilized in sofas, mattresses, and home furnishings for its elasticity and durability. It also serves in decorative elements and armrests.

3. Sports Equipment: Applied in sports shoes, basketball shoes, and sports器材 (equipment) due to its hardness and wear resistance. It is also used in balls and sports gear.

4. Industrial Products: Used in automotive parts, gears, and bearings to enhance durability and reliability, leveraging its adhesion and wear resistance.

5. Decorative Materials: Common in wallpaper, floor leather, and furniture decorations for its aesthetic appeal and functionality.

modified one-component PU resin stands out as a high-performance polymer material with exceptional mechanical properties, wear resistance, chemical corrosion resistance, and processability. Its broad application prospects are evident across numerous fields. With ongoing technological advancements and the development of new materials, modified one-component PU resin is poised to play an even greater role in more diverse applications in the future.