1、Research progress on modification of phenolic resin

In recent years, more and more researchers have focused on the discussion of the properties of modified phenolic resins and gradually ignored the research on the synthesis processes that can affect the molecular structure and properties of phenolic resins.

2、Modified Rosin Phenolic Resin Series

FOREVEREST® Modified Rosin Phenolic Resins are made by gum rosin and through the condensation-polymerization process with alkylphenols, formaldehyde, polyol and other ingredients. It has characters of high molecular weight, low acid value, and honeycomb structure.

3、Study and Application of Guangxi Rosin

It combines the superior thermal resistance, electrical insulation, and chemical resistance of phenolic resin with the enhanced processing performance and mechanical strength provided by rosin modification, making it an ideal raw material for manufacturing high-performance composites.

4、Rosin Modified Phenolic Resin

This series of resins, modified by phenol and aldehyde, is made from high quality gum rosin. These products feature high molecular weight, high viscosity, high solubility, and high viscoelasticity. They are widely used for offset printing ink.

Structure of Rosin

Rosin-modified phenolic resins are composite materials formed by combining rosin with phenolic resins. They inherit the good heat resistance and electrical insulation of phenolic resins while introducing rosin to enhance processability and mechanical strength.

ROSIN MODIFIED PHENOLIC RESIN

This product can be polymerized by vegetable oil to make phenolic paints with fast drying, good hardness and high gloss. It can improve the adhesion and reduce the cost for pressure-sensitive adhesive, hot-melt adhesive and other bonding agents.

Development in the Modification of Phenolic Resin by Renewable

Herein this review is studied to be made concerning the replacement of phenol and aldehyde compounds in the phenolic resin. Cardanol is a phenol-based by-product having an unsaturated alkyl...

ROSIN

Patent Document 3 discloses a method for reacting a monoester obtained by partially esterifying a mixture of a rosin and an animal or vegetable oil fatty acid with a monoalcohol with a polyhydric alcohol and a phenol formaldehyde initial con-densate.

Development in the Modification of Phenolic Resin by Renewable

Herein this review is studied to be made concerning the replacement of phenol and aldehyde compounds in the phenolic resin. Cardanol is a phenol-based by-product having an unsaturated alkyl chain and is thus a promising renewable substitute for the development of phenolic resin.

Rosin

Introducing rosin into nonylphenol phenolic resin can not only improve the thermal stability of the resin but also significantly enhance its processing performance.

Rosin Phenolic Resin for Pigment Modification

In the vigorous development of modern industry, pigments, as one of the foundational materials in coatings, plastics, composites, and many other products, directly influence the quality and application scope of final products. Rosin phenolic resin, a synthetic resin with a long history, is widely used in pigment modification due to its unique physical and chemical properties, such as excellent thermal stability, electrical insulation, and mechanical strength. These modifications enhance the dispersibility, wear resistance, and weather resistance of pigments. This article explores the application and significance of rosin phenolic resin in pigment modification.

1. Basic Characteristics of Rosin Phenolic Resin

Rosin phenolic resin is a thermosetting resin synthesized from rosin and phenolic resin through chemical reactions. It exhibits good thermal stability, maintaining its shape at high temperatures, along with excellent electrical insulation and moisture resistance. These properties make it an ideal choice for pigment modification.

2. The Necessity of Pigment Modification

Pigments play a critical role in coatings, plastics, and composites. pigments have inherent limitations, such as small particle size, high surface energy, and susceptibility to flocculation and agglomeration. These issues affect dispersibility, fluidity, and the performance of final products. modifying pigments is essential to improving their properties.

3. Applications of Rosin Phenolic Resin in Pigment Modification

1. Improving Dispersibility: Rosin phenolic resin forms a stable coating layer on pigment particles, reducing direct contact between pigments and minimizing flocculation and agglomeration. Its molecular structure provides ample space to accommodate pigment particles, promoting uniform dispersion in the matrix.

2. Enhancing Durability: By forming a protective layer on pigment surfaces, rosin phenolic resin shields pigments from environmental factors (e.g., UV radiation, oxygen, moisture), extending their lifespan.

3. Boosting Wear Resistance: Due to its high hardness and wear resistance, rosin phenolic resin significantly improves pigment resilience under friction or impact, reducing wear-related losses.

4. Optimizing Fluidity: Appropriate viscosity ensures even distribution of pigments in coating systems. Rosin phenolic resin can be adjusted to achieve optimal fluidity during preparation.

4. Case Studies of Practical Applications

Rosin phenolic resin has been successfully applied in modifying various pigments, such as in automotive paints, architectural coatings, and plastic inks. These modifications not only enhance pigment performance but also substantially improve product quality and performance.

rosin phenolic resin plays a vital role in improving pigment performance. By selecting suitable resin types and processing conditions, efficient pigment modification can be achieved to meet diverse application requirements. With ongoing advancements in material research and technology, rosin phenolic resin is expected to have a greater impact on pigment modification, driving the development of related industries.