KURARAY LIQUID RUBBER
Elastomers / KURARAY LIQUID RUBBER
KURARAY LIQUID RUBBER
Reactive plastisizer for rubber compounds.
About Kuraray Liquid Rubber
Kuraray’s Liquid Rubber is a high-viscosity synthetic rubber crafted from isoprene, butadiene, and styrene. It’s clear, nearly odourless, and has low VOC levels. Available in functionalised forms, in rubber compounding with a notably higher molecular weight than typical plasticisers. They can co-vulcanize with base rubber and notably minimise migration.
Industries Used
Kuraray’s Liquid Rubber is a versatile solution for various industrial applications, offering enhanced durability and flexibility. It provides robust, reliable, and efficient performance across various products and manufacturing processes, ensuring quality and consistency.
Enhancing durability and flexibility in automotive products like tires and hoses.
Provides clear, durable, and strong adhesion in various coatings and applications.
Ensuring safe and effective use in healthcare products like medical films and tubing.
Offering improved elasticity and durability in athletic gear and footwear.
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Standard grades and properties
| Category | Type | Grade | Structure | Number of functional groups per molecule | Molecular weight | Viscosity (Pa• s, 38ºC) | Glass transition temperature (ºC) |
|---|---|---|---|---|---|---|---|
| LIR (Isoprene) | Homopolymer | LIR-30 LIR-50 |  | – – | 28,000 54,000 | 70 500 | -63 -63 |
| Block copolymer | LIR-390 |  | – | 48,000 | 400 | -95 | |
| Carboxylated | LIR-403 |  | 3 | 34,000 | 200 | -60 | |
| LIR-410 |  | 10 | 30,000 | 430 | -59 | ||
| UV curable | UC-102M |  | 2 | 17,000 | 30 | -60 | |
| UC-203M | 3 | 35,000 | 190 | -60 | |||
| Latex | LIR-700 |  | – | 28,000 | 7.5 (at 25ºC) (Solid cont.= 60wt%) | -63 | |
| Homopolymer | LBR-302 LBR-307
LBR-352 |  | – | 5,500 8,000 26,000 | 0.6 1.5 40 | -85 -95 -95 | |
| LBR (Butadiene) |  | – | 9,000 5,500 | 6 5.5 | -60 -49 | ||
| L-SBR (St/Bd) | Random Copolymer | L-SBR-820 L-SBR-841 |  | – – | 8,500 10,000 | 350 100 (at 60ºC) | -14 -6 |
Applications
Non Tyre Rubber Products
Rubber compounding
Industrial & construction
Adhesives & coatings
Oil modification
Sealants
Polymer Modification
Conveyor Belt
Key Characteristics
- Colourless, Transparent, and Low VOC
- Co-Vulcanizable and avoids bleeding
- Enhances Processability
- Reduces Mixing Time
- Strong Tack and Adhesive Properties
- Functionalised Grades Available
- Low Glass Transition Temperature (Tg)
- Rubber-Like Soft Properties at Low Temperatures
Key Characteristics
- Colorless, Transparent, and Low VOC: Kuraray Liquid Rubbers are clear and colourless, offering aesthetic versatility for products. They also have low Volatile Organic Compounds (VOC), making them environmentally friendlier and safer.
- Co-Vulcanizable and Reduces Migration: These rubbers can co-vulcanize, meaning they can undergo a process to become more durable and stable. They also minimise migration, enhancing the shelf life of products by maintaining their quality and structure.
- Enhances Processability: Kuraray Liquid Rubbers make the manufacturing process smoother and more efficient, ensuring that products can be created easily and consistently.
- Reduces Mixing Time: The rubbers are formulated to blend easily with other materials, cutting down the time needed for mixing and thus speeding up production timelines.
- Strong Tack and Adhesive Properties: They exhibit strong tackiness and adhesive qualities, ensuring that products can bond well and maintain their structure, especially in applications that require sticking or binding.
- Functionalised Grades Available: Different functionalised grades of Kuraray Liquid Rubbers cater to specific needs, offering versatility and customisation in various applications.
- Low Glass Transition Temperature (Tg): With a low glass transition temperature, these rubbers remain flexible and retain their properties even in cooler temperatures, ensuring functionality across diverse environments.
- Rubber-Like Soft Properties at Low Temperatures: Even in lower temperatures, Kuraray Liquid Rubbers maintain a soft, rubber-like quality, ensuring that products remain flexible and durable.
Know More About Kuraray's Liquid Rubber
Learn more about Kuraray’s Liquid Rubber with our detailed brochure.
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