Your Professional Chain Extender Supplier
Niujiao Chemical specializes in supplying a variety of chemical products, focusing on the research and development, production and trade of various chemical raw materials and products, relying on superior product quality exported to more than countries and regions.The product series mainly includes rubber accelerators, rubber antioxidants, rubber curing agents, water treatment additives, carbon black environment-friendly gold extraction agents and other categories.
![CAS 92-87-5 | [1,1'-Biphenyl]-4,4'-diamine](/uploads/41540/page/small/cas-92-87-5-1-1-biphenyl-4-4-diamine8c8a8.jpg?size=354x0)
Why Choose Us
Broad Market
The Our products are exported to more than 100 countries and regions such as the United States, the United Kingdom, France, Japan, Russia, South America, Southeast Asia and Africa.
Custom Service
We understand that each customer may have unique requirements. We have the flexibility to customize our rubber additives to meet specific formulation needs, ensuring optimal compatibility and performance in various rubber applications.
High-Quality Manufacturing
Our manufacturing facilities employ advanced technologies and adhere to stringent quality control measures. We prioritize quality in every step of the production process, ensuring consistent and high-performance rubber additives that meet international standards.
Wide Range of Applications
Our products are widely used is widely used in rubber, leather, cable, plastic, pharmaceutical, water treatment and other industries.
Increased flexibility: Chain extenders help increase the flexibility of adhesives, which is beneficial in applications requiring deformation resistance.
Improved impact resistance: They contribute to improving the impact resistance of adhesives, preventing cracking and breakage.
Increased fatigue resistance: They help adhesives resist wear caused by cyclic loads, thus extending their service life.
Enhanced adhesion: Chain extenders can increase the adhesives’ ability to bond to a variety of substrates.
Improved durability: They contribute to the durability of adhesive joints in adverse environmental conditions.
Specification
|
Appearance: |
Colorless to yellowish liquid |
|
Viscosity (25 ℃, mpas): |
50-10000 |
|
The specific gravity (25 ℃): |
1.05-1.10 |
|
PH value: |
6.5-6.8 |
|
Refractive index (nD25): |
1.410-1.450 |
|
Epoxy value: |
0.1,0.3,0.6,0.9 |
Chain extenders typically react with terminal groups of polymer chains, such as hydroxyl or amino groups. The reaction may involve addition or condensation reactions. For example, epoxy chain extenders are widely used in recycled polyethylene terephthalate (rPET). The epoxy groups of the chain extender can react with the carboxyl or hydroxyl groups at the chain ends of rPET. This reaction not only increases the molecular weight of the polymer but also improves its melt strength and mechanical properties. As a result, the rPET modified with epoxy chain extenders can be used in more demanding applications, such as high- strength packaging materials and engineering plastics.
Construction industry
Used in adhesives for installing coatings and panels, where flexibility and strength are required.
Automotive industry
In vehicle manufacturing, chain extenders are employed in adhesives to bond parts and components subject to stresses and movements.
Aerospace industry
In aerospace applications, these additives are used to enhance vibration and fatigue resistance.
Electronics industry
Common in the production of adhesives used in bonding electronic components, where durability is essential.
Renewable energy industry
Used in adhesives for the construction and repair of renewable energy systems, such as solar panels and wind turbines.
Transportation
FAQ
We're professional chain extender manufacturers in China, specialized in providing high quality products and service. We warmly welcome you to buy cheap chain extender from our factory. For quotation and free sample, contact us now.
DBTU, Accelerator TRA, C30H28N2S4