| Customization: | Available |
|---|---|
| Feature: | Biodegradable |
| CAS No.: | 9009-54-5 |
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What is Polyurethane Resin?
Polyurethanes are a class of block copolymers. They are synthesized from three different reagents: a polyol, a di- or multi-isocyanate, and a chain extender.
Polyurethane is a versatile polymeric material chosen for adhesives and sealants due to its durability, tough bonds, and high peel strength. PU resins give you the freedom to modify the modulus and elongation required to meet specific applications.
Polyurethane adhesives have grabbed a good market share in footwear, construction, and general manufacturing industries. One of the largest applications of PU adhesives is in footwear where high bond strengths to PVC compositions are needed.
In contrast to epoxies, they can be either thermoplastics or thermosets.
In many cases they are block copolymers containing chemically connected hard and soft blocks (segments).
Polyurethane resin comes in two main kinds-rigid and flexible. Each has unique traits for different uses. Knowing the types of polyurethane resin helps choose the right one for your needs.
Rigid polyurethane resins are tough and durable. They work well where strength and durability are needed. These resins are in insulation and electronics. They resist harsh conditions well.
In construction, they help keep buildings warm, saving energy. ZDSpoxy has top-notch rigid polyurethane resins for different industries.
Flexible polyurethane resins, however, are known for being soft and flexible. They're used in furniture and car interiors for comfort. These resins make products that are both strong and cozy. They're ideal for items we use every day. From soft sofas to car seats, flexible polyurethane adds comfort and durability.
ADVANTAGES
Polyurethane resin leads innovation in many areas. It shows its power in different fields by transforming modern applications.
The automotive polyurethane applications are vast, improving both inside and outside of vehicles. They are used in seats, dashboards, and bumpers. This makes driving safer and more comfortable.
Polyurethane resin in medical devices is key for its safety and toughness. It's used in things like catheters and wound dressings. These items help keep patients safe and heal faster.
In electronics, polyurethane resin's great for insulating. It helps circuit boards last longer and protects them. So, electronic devices work better and longer.
Polyurethane resin in construction means better insulation. It's in panels, sealants, and glues. These help buildings use less energy and be eco-friendly.
Many everyday items come from polyurethane resin. It's in furniture and shoes because it's tough yet comfy. This makes these items last longer and feel better.
In textiles, polyurethane resin is used for special fabrics. These fabrics are waterproof but breathe. They make clothes, shoes, and outdoor gear better and longer-lasting.
The aerospace world uses polyurethane resin for lighter materials. These help planes use less fuel and perform better. It's in the cabin and parts that make the plane strong.
Renewable energy benefits from polyurethane resin in wind turbines. It makes them stronger and more flexible. This helps them produce energy longer and more efficiently.
9, In the Marine ApplicationsMarine uses of polyurethane resin include boats and coatings. These fight off water and rust, making boats last longer and work better.
Artists and designers love polyurethane resin for its flexibility. They use it for both beautiful sculptures and practical furniture. Its ability to take any shape makes it perfect for creativity.
| Industry | Application Example |
|---|---|
| Automotive | Seats, Dashboards |
| Medical | Catheters, Implants |
| Electronics | Circuit Boards, Coatings |
| Construction | Insulation Panels, Sealants |
| Consumer Goods | Furniture, Footwear |
| Textiles | Waterproof Fabrics |
| Aerospace | Cabin Interiors, Structural Components |
| Renewable Energy | Wind Turbine Blades |
| Marine | Boat Hulls, Coatings |
| Art and Design | Sculptures, Furniture |
SPECIFICATION
Appearance: light yellow to clear liquid
| Model | Solid Content (wt%) |
Viscosity (mPa.s 25ºC) |
Amine Value (mgKOH/g) |
Color (Fe-Co color std) |
Solvent used |
| PU-35A | 30±1 | 200-500 | ≤3.5 | ≤3 | Ethyl acetate, Isopropanol |
| PU-35B | 600-900 | ≤2 | |||
| PU-35C | 910-1300 | ≤2 |
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Property
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Solvent Based Polyurethane
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Aqueous Polyurethane
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Physical state
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Solution
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Particles dispersed in water
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% Solids
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15-18%
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30-65%
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Viscosity
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50-1000
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1000-5000
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Polar monomeric groups
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No
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Yes
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Toxicity, flammability, and explosion hazard
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Yes
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No
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Coalescing solvent (cosolvent)
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Unnecessary
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Often necessary
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Presence of foam
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Sometimes
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Yes; use of defoaming agents is usually necessary
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Drying mechanism
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Simple evaporation of solvent
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Evaporation of water followed by interdiffusion of polymer particles
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Drying time
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Short (little energy required)
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Long (more energy required)
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Stability at low temperatures
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Yes (freezing can be reversed)
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No (Irreversible freezing)
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Stability of the adhesive once applied (e.g., moisture and heat resistance)
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High
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Medium (unless crosslinked)
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Adhesive properties
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Excellent
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Excellent
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The following questions and answers can help you learn more about us:
a. What kind of company are we?
Hebei Chijiang Import and Export Co., Ltd. Is a new type of company integrating production and trade.
b. Where is the port of export?
Our main ports are Shanghai,Tianjin, and Qingdao ports
c. Whether the product is single?
In fact, for each chemical raw material, we have different grades and corresponding prices, and we have a very detailed product catalog, if you are interested in our products, we can give you a detailed introduction.
d. Why should I choose your company?
For this question, I WANT to know that what's your expectation about price, quality, the factory, and last but not least, about the sales person you are talking to. /deadly, if all things are right, or at least 80% are right,you will know which one is the right one.
Warmly welcome friends to inquire about our products. We are looking forward to establishing a mutually beneficial business relationship with you!
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