1、Development of Polyester
In this study, a thermoplastic polyester-modified thermoset epoxy resin (hybrid resin) was developed for self-organization soldering. The change in chemical structure of the hybrid resins before and after curing, curing reaction, and mechanical properties were investigated.
2、Modification of unsaturated polyester resin by epoxy resin
Unsaturated polyester (UPE) resin is a versatile and widely used cheap thermosetting polymer with multiple characteristics like mechanical properties, thermal stability, chemical resistance, and high industrial application. But one of the drawbacks of UPE is its brittleness and weak crack resistance tendency retard its application in many fields. So to overcome such problems, modification of ...
3、Improving impact strength and fracture toughness of epoxy resin through
Improving impact strength and fracture toughness of epoxy resin through oligoester—A byproduct derived from the unsaturated polyester resin manufacturing process
4、Modification of Unsaturated Polyester Resin : A Review
Abstract – In the last few years, the research activity in composite based on modified unsaturated polyester resin and their structures are remarkably increased. This paper is a review of a modification in unsaturated polyester resins. Due to its great performance in a variety of industries, including construction, marine, aerospace, sports goods, offshore applications, fire resistant ...
Development of Polyester
Novel underfill resins combining a thermoset epoxy resin with thermoplastic polyester resins have been developed for self-organization soldering. Polyester-modified epoxy resins, which are hybrid resins, exhibited minimal viscosity at the melting point of the Sn58mass%Bi solder, with the viscosity dependent on the content and molecular mass of the blended polyester resin. Because the epoxy ...
Preparation of modified epoxy resin with high hydrophobicity, low
This process, when combined with the copolymerization with epoxy resin (E51) using diamino-diphenylmethane (DDM) as the curing agent, resulted in PDMS-modified EP materials with enhanced hydrophobicity, low dielectric, high toughness, and flame retardancy.
Development of Polyester
Abstract Novel underfill resins combining a thermoset epoxy resin with thermoplastic polyester resins have been developed for self-organization soldering.
Polyester containing isocyanate groups—Modified epoxy resin
Low molar mass hydroxyl-terminated polyester was functionalized with isocyanate groups (NCO) and used to improve the impact resistance of epoxy resin (ER) cured with triethylene tetramine (TETA). The...
(PDF) Development of Polyester
Novel underfill resins combining a thermoset epoxy resin with thermoplastic polyester resins have been developed for self-organization soldering. Polyester-modified epoxy resins, which are hybrid resins, exhibited minimal viscosity at the melting point of the Sn58 mass%Bi solder, with the viscosity dependent on the content and molecular mass of ...
Development of Polyester
Novel under・〕l resins combining a thermoset epoxy resin with thermoplastic polyester resins have been developed for self-organization soldering. Polyester-modi・‘d epoxy resins, which are hybrid resins, exhibited minimal viscosity at the melting point of the Snﾂｭ58mass%Bi solder, with the viscosity dependent on the content and molecular mass of the blended polyester resin. Because ...
With the continuous advancement of science and technology, the application of new materials has become increasingly widespread. Among these, polyester-modified epoxy resin has attracted significant attention due to its excellent properties and broad application prospects. Polyester-modified epoxy resin is a composite material that combines high-performance polyester resin with epoxy resin, offering enhanced mechanical strength, better wear resistance, and a longer service life. This article elaborates on the definition, composition, preparation methods, applications, and development trends of polyester-modified epoxy resin.
1. Definition and Composition of Polyester-Modified Epoxy Resin
Polyester-modified epoxy resin is a novel composite material based on polyester resin as the matrix, modified through chemical or physical methods. It integrates the advantages of both polyester and epoxy resins, retaining the high adhesive strength, electrical insulation, and chemical stability of epoxy resin while improving toughness, impact resistance, and wear resistance. In this composite, polyester resin provides the mechanical and processing properties of the base material, whereas epoxy resin contributes superior chemical stability and electrical performance. The synergy between the two components enables polyester-modified epoxy resin to be widely used in multiple fields.
2. Preparation Methods of Polyester-Modified Epoxy Resin
The preparation methods for polyester-modified epoxy resin primarily include two approaches:
- Chemical Modification: Polyester resin and epoxy resin undergo a chemical reaction, leading to cross-linking of molecular chains and forming an interpenetrating network structure.
- Physical Modification: Polyester resin and epoxy resin are mixed physically to achieve a uniform blend. During preparation, reaction conditions and mixing ratios must be strictly controlled to ensure the quality and performance of the final product.
3. Applications of Polyester-Modified Epoxy Resin
Due to its exceptional properties, polyester-modified epoxy resin is widely utilized across various sectors:
- Construction: It serves as a reinforcing material for concrete structures, enhancing structural strength and lifespan.
- Automotive Manufacturing: Used for producing automotive parts such as engine components and transmission system parts.
- Electronics and Electrical Appliances: Applied as a protective layer for circuit boards, improving stability and durability.
- Aerospace: Employed in manufacturing critical components of aircraft and spacecraft. Additionally, it is used in specialized functional materials like wear-resistant coatings and anti-slip coatings.
4. Development Trends of Polyester-Modified Epoxy Resin
Driven by technological progress and market demands, the development trends of polyester-modified epoxy resin focus on:
- High Performance: Improving mechanical properties, thermal stability, and corrosion resistance.
- Green Development: Reducing environmental impact, energy consumption, and emissions during production.
- Multifunctionalization: Developing composites with diverse functionalities to meet broader application needs. In the future, polyester-modified epoxy resin will play a more significant role in aerospace, new energy, biomedical, and other fields.
As a novel composite material with excellent properties, polyester-modified epoxy resin has garnered increasing research interest in its preparation and applications. Through continuous technological innovation and process optimization, its performance will further improve, and its application scope will expand. Looking ahead, polyester-modified epoxy resin will play a vital role in driving the development of new materials industries, advancing technological progress, and addressing societal needs.
