CTPB Carboxyl-terminated Polybutadiene Functional Polymer with Excellent Adhesion Chemical Resistance and Versatile Applications
Price:
Negotiable
MOQ:
500g, 1kg or 25kg for sample, 1000kg for commercial order
Delivery Time:
In 3 working days
Brand:
Zorui
Product Description
CTPB / Carboxyl-terminated Polybutadiene
Product Overview
Carboxyl-Terminated Polybutadiene (CTPB) is a high-performance polymer featuring functional carboxyl groups at the terminal ends of its polybutadiene chains. This versatile thermoplastic elastomer is widely utilized in adhesives, sealants, coatings, and rubber products due to its exceptional mechanical properties and chemical resistance.
Physical and Chemical Specifications
| Property | Specification |
|---|---|
| Chemical Formula | C4H6O2 (approximate for CTPB) |
| Appearance | Pale yellow to brown elastomer |
| Molecular Weight | Varies (typically 1000 - 5000 g/mol) |
| Density | Approximately 0.89 g/cm³ |
| Softening Point | 185 - 200 °C |
| Solubility | Soluble in organic solvents; insoluble in water |
| Viscosity | Varies based on molecular weight |
| Storage Condition | Store in a cool, dry place, away from moisture and light |
| Shelf Life | 1-2 years when stored properly |
Product Functions
- Adhesive Component: Provides excellent adhesion properties in various bonding applications
- Sealant Material: Used in sealants due to its flexibility and resistance to environmental factors
- Modifier for Rubber: Enhances the properties of rubber compounds by improving elasticity and toughness
- Plasticizer: Acts as a plasticizer in formulations, improving flexibility and workability
Application Areas
- Adhesives and Sealants: Commonly used in construction, automotive, and aerospace industries for high-performance bonding
- Coatings: Employed in protective coatings and paints due to its durability and chemical resistance
- Rubber Products: Incorporated into rubber formulations to improve performance characteristics in tires and gaskets
- 3D Printing: Used in filament production for 3D printing applications requiring high elasticity
Manufacturing Process
- Raw Material Sourcing: Derived from the polymerization of 1,3-butadiene using controlled reactions to terminate in carboxyl groups
- Polymerization: CTPB is synthesized through anionic polymerization or free-radical polymerization methods under controlled conditions
- Termination Reaction: The polymer chains are terminated with carboxylic acid functional groups to produce CTPB
- Purification: The product undergoes purification to remove unreacted materials and improve performance characteristics
- Quality Control: Rigorous testing ensures compliance with industry standards for quality, purity, and performance
Why Choose Our CTPB
- High Quality: Our CTPB products are manufactured under stringent quality controls to ensure reliability and effectiveness
- Technical Expertise: Our knowledgeable team provides formulation support and technical assistance across various applications
- Competitive Pricing: We offer attractive pricing structures suitable for both bulk orders and specialty formulations
- Sustainability: Committed to environmentally responsible practices in sourcing and manufacturing
Frequently Asked Questions
What is CTPB used for?
CTPB is primarily used in adhesives, sealants, coatings, and rubber products due to its excellent mechanical properties and adhesion qualities.
Is CTPB safe for industrial use?
Yes, CTPB is used in various industrial applications; however, safety guidelines should always be followed during handling.
How should CTPB be stored?
Store in a cool, dry place away from moisture and light to maintain stability and performance.
What is the shelf life of Carboxyl-Terminated Polybutadiene?
The typical shelf life is approximately 1-2 years when stored properly.
Can I request samples for testing?
Yes, samples are available upon request. Please contact us for more information.
Product Visuals
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanxi Zorui Biotechnology Co., Ltd.
Location
Huiquan Square F14, No.1450 SH Caohejing Hi-Tech Park, Datong, Shanxi, China
Contact Person
Julie