1、Reactive Extraction Strategy for Synthesizing Dioctyl Phthalate

In this work, the process intensification of reactive extraction strategy is proposed to promote DOP synthesis in a biphasic system, with the halogen-free deep eutectic solvent (DES) [Im:2PTSA] as dual solvent-catalyst.

2、Influence of dioctyl phthalate and phenolic resin on

Abstract: Liquid thermosetting phenolic resin releases volatile organic compounds such as formaldehyde and free phenols during use,polluting the environment,and its viscosity increases during storage,affecting the stability of high manganese steel sliding gates.The magnesium spinel sliding gates were produced using tabular corundum ...

3、Effect of the amounts of DOP used on the Tg of PVC/O

The results show that when the mass ratio of modified silicone to phenolic resin is 5%, the silicone molecular chains and the phenolic resin form a uniform three-dimensional network...

A comprehensive review on modified phenolic resin composites for

Current research on PR modification emphasizes both physical methods, including filler enhancement and fiber reinforcement, and chemical methods, such as copolymerization, grafting, and cross-linking.

Journal of Chemical Engineering and Materials Science

Unsaturated polyester was modified with dioctyl phthalate (DOP) and used as matrix in glass fiber reinforced composite. The effect on the thermal stability of the composite was studied in this work.

Navigating the Use of Dioctyl Phthalate (DOP) in Various Resin Systems

An overview of how Dioctyl Phthalate (DOP) is utilized in processing diverse resin systems beyond PVC, including acetic acid and ABS resins.

Microsoft Word

The effect of plasticization of unsaturated polyester resin using dioctyl phthalate was investigated. The plasticized and un-plasticized polyester were characterized for impact strength,...

Physical and chemical modifications of poly(vinyl chloride) materials

Dioctyl phthalate (DEHP) as one of the mostly used phthalates, accounts for more than 50 % of phthalate ester plasticizers. PVC products plasticized with DEHP have been widely used to produce medical products since 1955.

Molecular simulation of the effect of dioctyl phthalate on the

The mechanical and tribological properties of pure nitrile rubber (NBR) and dioctyl phthalate/nitrile rubber (DOP/NBR) composite materials with mass ratios of 5/95, 10/90, 15/85, 20/80, 25/75, and 30/70 were studied through molecular dynamics simulations at the molecular level.

Effect of Dioctyl phthalate (DOP) Modified Matrix on the Thermal

Unsaturated polyester was modified with dioctyl phthalate (DOP) and used as matrix in glass fiber reinforced composite. The effect on the thermal stability of the composite was studied in this...

Phenolic resin, as one of the oldest thermosetting resins, has long been favored for its excellent high-temperature resistance, electrical insulation, and mechanical strength. traditional phenolic resins tend to deform and crack under high-temperature and high-pressure conditions, limiting their applications in high-performance materials. To overcome this limitation, scientists have explored various modification methods, among which dioctyl phthalate (DOP) is a commonly used modifier. This article reviews the research progress and application prospects of DOP-modified phenolic resin.

Basic Principles of DOP-Modified Phenolic Resin

Dioctyl phthalate is a non-ionic surfactant containing long-chain alkane structures and multiple carbon-hydrogen bonds. When mixed with phenolic resin, DOP molecules penetrate the resin matrix through physical or chemical interactions, enhancing its heat resistance, oil resistance, and chemical stability. The modified properties arise from the hydrophobic nature and good compatibility of DOP molecules, which stabilize the physical and chemical performance of the resin.

Modification Effects and Mechanisms

Studies have shown that DOP significantly improves the thermal stability and mechanical strength of phenolic resin. For example, the thermal decomposition temperature of DOP-modified phenolic resin can increase by approximately 200°C, while maintaining better dimensional stability at elevated temperatures. Additionally, DOP reduces water absorption, thereby improving electrical properties. These enhancements result from strengthened molecular interactions between DOP and phenolic resin, as well as optimized resin structure after modification.

Applications of Modified Phenolic Resin

Due to its superior comprehensive properties, DOP-modified phenolic resin is widely used in aerospace, electronics, automotive manufacturing, and other fields. It serves in components requiring high-temperature stability, such as engine parts, electronic circuit boards, and insulating materials.

Future Prospects

Despite its significant potential, further research is needed for DOP-modified phenolic resin. First, developing more efficient and environmentally friendly modifiers is essential to meet stricter ecological standards. Second, optimizing formulations and preparation processes could further enhance performance and expand applications. Finally, exploring composite modifications with other high-performance materials may achieve even greater synergistic effects.

DOP-modified phenolic resin, as an important advanced material, holds promising applications. With ongoing technological advancements, it is expected to play an increasingly critical role in industrial development.