1、Advances in Rosin

Gum rosin is the non-volatile residue remaining after distillation of tree resin obtained by tapping of living trees. Tall oil rosin is a by-product of wood pulping in the kraft process. Gum rosin accounts for ca. 60% of world rosin production, whereas tall oil rosin is ca. 35%.

2、Synthesis and characterization of natural rosin

The encapsulation of modified rosin resin on nano-SiO 2 and crosslinked hydrophilic polymer on rosin resin was investigated after extraction for 24 h with acetone and water, respectively.

3、Improved hydrophobic and physicochemical properties of maleated rosin

Herein, maleated rosin (MR) and glycerol were combined with corn starch to produce thermoplastic starch (TPS) to enhance its mechanical and water resistance properties.

4、Design and Characterization of Sustainable PLA

Overall, UP resin enables fine tuning of the structure–property relationships of PLA without compromising stability, offering a sustainable route for developing bio-based polymer systems with enhanced mechanical performance and potential use in future biomimetic material designs.

Improved hydrophobic and physicochemical properties of maleated rosin

Herein, maleated rosin (MR) and glycerol were combined with corn starch to produce thermoplastic starch (TPS) to enhance its mechanical and water resistance properties.

Thermal Stability Evaluation of Resin Acids and Rosin Modified Resins

Thermal stability and reactivity of three resin acids (levopimaric acid, neoabietic acid, and dehydroabietic acid) and four rosin-modified resins were studied using an accelerating rate calorimeter (ARC).

Rosin Product Review

The ratio of these isomers depends on the collection method and the species of the tree from which the rosin is produced. The molecular weight of the rosin is quite different compared with hydrocarbon resins. Rosin is classified into three main types; gum rosin, wood rosin and tall rosin.

Chemical and Mechanical Properties for Rosin

terials. Rosin is a low-cost wood resin extracted from conifers. In this paper, based on FTIR and Raman analyses, the spectra of natural Rosin resin and some hybrid res

Maleated rosin‐derived advanced materials: preparation, properties and

In this review, the chemical properties of maleopimaric acid (MPA) and its methyl ester (MMP) was studied, data on the methods of synthesis of imides, amides, and amidoimides of acid are systematized. Oxidation reactions and ozonolysis with the participation of monomethyl ether MPA are presented.

Chemical and Mechanical Properties for Rosin

Rosin is a low-cost wood resin extracted from conifers. In this paper, based on FTIR and Raman analyses, the spectra of natural Rosin resin and some hybrid resins with volume proportions of 45, 55 and 65% Rosin were studied.

Rosin-modified resins, as a critical industrial material, play vital roles in numerous fields due to their unique physical and chemical properties. This article explores the physicochemical characteristics of rosin-modified resins, including key attributes such as thermal stability, mechanical properties, and chemical resistance.

Rosin, a natural macromolecular compound primarily composed of lignin, features a complex molecular structure. Modified resins synthesized through reactions with rosin retain its fundamental chemical properties while introducing new functional characteristics. These properties expand their application potential in coatings, adhesives, composites, and other industries.

1. Thermal Stability

Thermal stability is a crucial indicator of the practical value of rosin-modified resins. Since rosin tends to degrade at high temperatures, incorporating heat-resistant groups (e.g., polyamide) via graft copolymerization or increasing the resin’s molecular weight can significantly enhance thermal stability. For instance, introducing heat-resistant groups into rosin chains improves heat deflection temperature (HDT) and thermo-oxidative stability.

2. Mechanical Properties

The mechanical performance of modified resins directly impacts their practical applications. Rosin-modified resins typically exhibit high tensile strength and toughness, enabling them to withstand significant external forces without fracturing. Adjusting the rosin-to-resin ratio, adding fillers, or incorporating plasticizers can further optimize mechanical properties.

3. Chemical Resistance

In many industrial scenarios, modified resins must resist corrosion from acids, bases, salts, and other chemicals. Introducing specific cross-linking agents or functional groups (e.g., carbamate groups) enhances chemical resistance. For example, carbamate-modified resins demonstrate improved acid tolerance.

4. Processability

Processability is essential for widespread adoption. Modified resins should enable low-temperature processing (e.g., extrusion, injection molding) and offer good fluidity and miscibility for uniform blending with other components.

5. Environmental Performance

In an era of heightened environmental awareness, eco-friendliness is a key evaluation criterion. Using bio-based or renewable raw materials and adopting green manufacturing processes reduce environmental pollution during production. Additionally, recyclability minimizes ecological impact during usage.

6. Application Areas

Rosin-modified resins are widely used across industries due to their superior properties:

• Coatings: Provide excellent adhesion, wear resistance, and weatherability.
• Adhesives: Enhance bonding strength.
• Electronics: Serve as encapsulants to protect components from moisture and oxidation.
• Automotive: Improve mechanical performance and durability of plastic parts.

As a versatile polymer material, rosin-modified resins demonstrate immense potential across diverse sectors owing to their exceptional physicochemical properties. Ongoing research to refine and optimize these properties will drive innovation and opportunities in related industries.