1、Study of rosin softening point through thermal treatment for a better

Having this information, a thermal treatment of the maritime pine boards is proposed to modify the internal rosin softening point temperature so as it reaches 60–65 °C.

2、Thermal Stability Evaluation of Resin Acids and Rosin Modified Resins

Rosin is a sustainable resource, which is mainly composed of resin acid. Rosin-modified resin is widely used in adhesives, inks, coatings, and other fields, and its stability is very important for the production, storage, and use of products.

3、Enhanced conversion of rosin to polymerized rosin with reusable

Deep eutectic solvent (DES) composed of ChCl and TfOH was prepared. The DES can highly enhance the conversion of rosin to polymerized rosin. The formation mechanism of DES was investigated by DFT. The reaction mechanism of rosin polymerization over DES was discussed.

4、Modification of the rosin softening point as a function of the duration

In this work, five types of rosins from different sources were studied, verifying the existence of differences that can be inferred in their subsequent use and application as material additives.

5、Assessing the softening behavior of rosin during heating

This study investigates the softening behavior of rosin during heating using variable-temperature low-field nuclear magnetic resonance (LF NMR) technique, aiming to demonstrate the potential of LF NMR in characterizing softening transitions including softening point.

PERMALYN 8120 Rosin Ester

PERMALYNTM 8120 is a pentaerythritol ester of gum rosin which has been chemically modified to have a ring and ball softening point near 120°C. PERMALYNTM 8120 has lower color, better color stability higher heat stability, and higher softening point than typical pentaerythritol rosin esters.

Sustainable thermoplastic road marking paint production from natural

As the temperature of the water increased, the solidified rosin samples within the rings softened, and with the softening of rosin, the balls on top of them fell onto the plate at the bottom of the softening point apparatus.

Study of rosin softening point through thermal treatment for a better

When using heat treatment, it was observed for the first time that the thermal history of the sample can change its softening point temperature. With these results, it could be possible to develop a new strategy to reduce rosin exudation for exterior wood siding.

Enhancement of glycerol rosin ester conversion using zeolite

According to Fig. 5d, the rosin ester softening point increased with temperature due to faster removal of water and volatile compounds at higher temperature. The reaction temperature of 250 °C was therefore adjusted for subsequent experiments.

Study of rosin softening point through thermal treatment for a better

The softening temperature of dried pine resin was analyzed and the results were examined relative to its physico-chemical properties. To achieve this, resin samples were dried under different conditions (60°C, 120°C during 16 h and at 150°C during 24 h).

In numerous fields of modern industry, the performance of materials directly affects product quality and production efficiency. Rosin resin, as a traditional thermosetting resin, is widely used in wood, furniture, construction, and other fields due to its excellent adhesive properties and processability. the relatively low softening point of rosin resin limits its application under high-temperature conditions. modifying rosin resin to improve its heat resistance and stability has become an urgent problem to address.

The purpose of modifying rosin resin is to increase its softening point, enabling it to maintain stable performance at higher temperatures. This not only expands the material’s application range but also reduces production costs and improves economic benefits. By introducing different modifiers or adjusting preparation processes, the heat resistance and mechanical properties of rosin resin can be effectively enhanced while retaining its original adhesive characteristics.

From a chemical structure perspective, the key to modifying rosin resin lies in altering the structure and properties of its molecular chains. For example, incorporating polymer segments with higher softening points through copolymerization reactions can significantly raise the softening point of rosin resin. Additionally, adding specific crosslinking agents or curing agents can strengthen the resin’s network structure, thereby improving its heat resistance and mechanical strength.

In the preparation process, selecting appropriate raw materials and ratios is critical for achieving effective modification. Since rosin resin itself has a low softening point, modifiers that provide additional thermal stability are needed. These modifiers may include thermosetting polymers such as epoxy resins or phenolic resins, which can react chemically with rosin resin under heating conditions to form more stable network structures.

Beyond selecting suitable modifiers, optimizing the preparation process is essential for enhancing modification effects. Careful control of temperature and time during heating ensures thorough resin reaction while avoiding excessive crosslinking, which could degrade performance. Furthermore, adjusting stirring speed, adding catalysts, and other measures can improve the reaction rate and uniformity of the resin, resulting in modified rosin resin with superior properties.

The application prospects of modified rosin resin are promising. With technological advancements and societal development, the demand for high-performance materials continues to grow. Due to its excellent heat resistance and mechanical properties, modified rosin resin can be widely used in electronic packaging materials, automobile manufacturing, aerospace, and other fields. In these areas, high-temperature environments are common, and modified rosin resin can maintain stable performance under such conditions, ensuring product safety and reliability.

modified rosin resin can be employed to fabricate various functional composite materials. By combining it with high-performance materials like carbon fibers or glass fibers, composites with special functions—such as high strength, high toughness, and heat resistance—can be developed. These materials hold significant value in military, aerospace, medical, and other fields.

From an environmental perspective, modified rosin resin also demonstrates substantial potential. The use of bio-based modifiers can reduce reliance on traditional petrochemical products, lower environmental pollution, and make the material more recyclable, minimizing resource waste and aligning with sustainable development goals.

modifying rosin resin not only enhances its heat resistance and mechanical properties but also broadens its application range. This contributes to the advancement of materials science and creates greater social value. In the future, with continuous technological innovation, modified rosin resin is expected to showcase its unique appeal and application potential in even more domains.