1、Study on the properties of chitosan

A series of chitosan-modified epoxy resins were synthesized using various structures of diisocyanates as crosslinkers, diglycidyl ether of bisphenol A (EP), and biomass chitosan as reaction raw materials. Compared to the traditional EP, all chitosan-modified epoxy resins exhibited excellent mechanical and corrosion resistance properties.

2、Hydroxyl

1、Investigation of hydroxyl In this study, epoxy resin (EP-51) was modified using hydroxyl-terminated polydimethylsiloxane (HTPDMS), which possesses a low surface energy due to its -Si-O- bonds, to improve the hydrophobicity and toughness of the coating.

3、Synthesis and Modifications of Epoxy Resins and Their

This article is designed to review the developments in synthesis, modifications, and properties of epoxy monomers derived from both petroleum and renewable resources. It begins with the ...

4、Research on Properties of Silicone

A kind of organosilicon intermediate was prepared using isophorone diisocyanate (IPDI), hydroxyl silicone oil (HSO), and hydroxyethyl acrylate (HEA). The organosilicon modification of epoxy resin was realized by introducing a −Si–O– group into the side chain of epoxy resin by chemical grafting. The effects of organosilicon modification of epoxy resin on the mechanical properties ...

5、Improving Epoxy Resin Performance Using PPG and MDI by One

The toughening modification of epoxy resin by polyurethane prepolymer (PU) can effectively solve the disadvantage of high brittleness in its application. In this study, a convenient way to toughen epoxy resins was explored, and the monomers PPG and MDI for the synthesis of polyurethane prepolymers were used for a one-step modification of epoxy resins. The test results of viscosity and ...

Toughened and reinforced the petroleum

Significant improvements in the fracture resistance of epoxy resins are highly desirable for various applications, but there is a “seesaw” between toughness and other properties. In this study, we incorporated a bio-based thermotropic liquid crystal epoxy precursor (THMT-EP) containing multi-aromatic s-triazine structure derived from vanillin into petroleum-based counterpart tetraglycidyl ...

Development of self

Keywords: Low-viscosity and low-density epoxy resin Resin toughening Self-generated proppant Performance evaluation Hydraulic fracturing is a critical technology for the economic development of unconventional oil and gas reservoirs. The main factor inuencing fracture propping and reservoir stimulation effect is proppant fl performance.

Preparation and physical properties of CeO2 doped and modified epoxy

The title is mechanical properties and toughening mechanism of epoxy resin enhanced by n-CeO2 nanoparticles.

Unleashing the Power of Bio

A bio-based thermotropic liquid crystal epoxy resin (THMT-EP) was used to modify petroleum-based epoxy resin (E51), which significantly improved the impact strength of the blended system, as well as the thermal stability, mechanical strength, and flame retardant properties. It addressed the dilemma of sacrificing other properties for toughened epoxy resin.

Epoxy resins modified with palm oil derivatives — preparation and

The formation of a two phase system is a result of the difference between reacti-vity of terminal epoxy groups in the resin and epoxy groups located centrally in the modified oil in relation to ...

In modern industry, materials science plays a pivotal role. It not only determines the quality and performance of products but also directly impacts industrial production efficiency and safety. Within this field, modified petroleum resins and epoxy resins, as two critical synthetic materials, are indispensable. This article delves into the characteristics of these materials and their practical applications.

Modified Petroleum Resins Modified petroleum resins are high-molecular polymers derived from chemically treating byproducts of petroleum processing. They boast excellent thermal stability, mechanical strength, and chemical inertness. Given the finite nature of petroleum resources, developing and utilizing these materials has become a global priority. Through modification, petroleum resins can be used to produce coatings, adhesives, insulating materials, and more, which are widely applied in construction, automotive manufacturing, electronics, and other sectors.

Epoxy Resins Epoxy resins, primarily composed of bisphenol A, are thermosetting plastics renowned for their exceptional physical and chemical properties. Their superior adhesion, electrical insulation, and corrosion resistance have made them indispensable in electronic encapsulation, coatings, composites, and other fields. With technological advancements, epoxy resins are increasingly used in aerospace, biomedical engineering, and other high-tech domains.

Applications and Advantages In practice, both materials demonstrate unique strengths. For instance, in construction, waterproof coatings made from modified petroleum resins are favored for their weather resistance and ease of application. In electronics, epoxy resins are the top choice for packaging due to their electrical performance and mechanical durability. Additionally, epoxy-based composites like carbon fiber-reinforced plastics (CFRP) enhance material strength while reducing weight—a critical advantage for aerospace innovation.

Challenges and Innovations challenges persist. Petroleum resin production may cause environmental pollution, while curing epoxy resins releases harmful gases. To address these issues, scientists are advancing eco-friendly manufacturing processes and developing low- or zero-volatile epoxy variants.

Future Prospects Looking ahead, the applications of modified petroleum resins and epoxy resins will expand further with advancements in materials science. Continued research and innovation promise to better meet societal needs, enhancing convenience and security in daily life and work.

On the journey of exploration and application, modified petroleum resins and epoxy resins resemble two harmonious movements in a symphony—interwoven and mutually enhanced, composing a magnificent chapter in modern industry. In the future, we anticipate even greater potential from these materials as they drive human progress.