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Polybutylene terephthalate (PBT) and Polyethylene terephthalate (PET) are widely used engineering thermoplastics known for their good mechanical strength and thermal properties. However, their inherent brittleness can limit their use in high-impact applications. NINGBO INNO PHARMCHEM CO.,LTD. offers advanced solutions, specifically GMA-grafted polyolefin elastomers, to address this challenge through effective PBT PET reinforcement and toughening modification.
The effectiveness of GMA-grafted polyolefin elastomers in modifying PBT and PET stems from their unique chemical architecture. The polyolefin elastomer backbone provides a flexible, rubbery phase, while the grafted glycidyl methacrylate (GMA) groups introduce reactive epoxy functionalities. When compounded with PBT or PET, these epoxy groups readily react with the hydroxyl and carboxyl end-groups of the polyester chains. This reactive grafting process creates strong covalent bonds at the interface between the elastomer and the polyester matrix.
This reactive compatibilization is crucial for several reasons. Firstly, it significantly improves the dispersion of the elastomer particles within the polyester matrix, leading to a finer and more stable morphology. Secondly, the strong interfacial adhesion prevents the debonding of elastomer particles under stress. Instead, the elastomer phase can absorb energy through cavitation and plastic deformation, effectively increasing the impact strength of the PBT/PET blend. This makes these GMA-modified polymers excellent polyester toughening agents.
The advantages extend to performance at varying temperatures. As a low-temperature toughening modifier, the rubbery nature of the polyolefin phase allows the material to remain ductile and resistant to fracture even when exposed to cold conditions, a significant improvement over unmodified polyesters. This property is critical for automotive components, consumer electronics, and outdoor applications.
NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing cutting-edge polymer additives that drive innovation. Our GMA-grafted polyolefin elastomers are engineered to deliver superior results in PBT/PET reinforcement and toughening applications. By partnering with us, manufacturers can access advanced materials that enhance product durability, performance, and reliability. Exploring the benefits of these specialized additives is a strategic step towards developing next-generation polyester-based products.
Manufacturing Facilities
Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
