1、低熔融粘度C

Abstract: A O/W type C-5 petroleum resin emulsion was prepared with paraffin wax as viscosity regulator and blend of nonionic emulsifier. Effect of HLB value and concentration of emulsifier on stability, droplet size, viscosity and surface tension of the petroleum resin emulsion were examined.

2、PetrChem12_17.pdf

Abstract—The hydrogenation of petroleum resins (PRs) and the possibilities of using light hydrogenated PRs as components of hot-melt adhesives and pressure-sensitive adhesives have been...

3、Rheology, mechanical properties and peel adhesion of hot

By adding the C5 petroleum resin up to 20 wt%, the initial strength increased. Also, The addition of C5 petroleum resin acted like a plasticizer, leading the melt viscosity of polyurethane adhesive to decrease.

C5 Petroleum Resin

C5 aliphatic resins, are suitable for SIS, EVA, MPO, APAP, NR ect based adhesive, HMPSA, tapes and labels. Resins are the alternative of part ExxonMobil, Kolon and Zeon grades resin. C5 aliphatic resin with light color, low order, is designed for hot melt road marking paint.

DCPD Hydrogenated Petroleum Resin P

DCPD hydrogenated petroleum resin is a colorless, transparent, thermoplastic, alicyclic petroleum resin produced by polymerization, hydrogenation, refining and other processes of dicyclopentadiene under certain temperature and pressure conditions.

High Softening Point Hydrogenated Petroleum Resin

FUCLEAR FP-100 is a water–white hydrogenated C9 hydrocarbon resin with the characteristics of high softening point, low melt-viscosity and narrow molecular weight distribution, which is developed by FORMOSAN UNION CHEMICAL CORP. using its proprietary.

Hydrogenated Petroleum Resin C5, C9

C5 hydrogenated petroleum resin has good viscosity, compatibility, thermal stability and light stability, and can improve the adhesive performance of adhesives, is an essential tackifying component of many adhesives.

hydrogenated petroleum resin for adhesive, tires, rubber

BTack H420 is a DCPD hydrogenated petroleum resin, primarily generated through the polymerization of dicyclopentadiene and other components, resulting in a low-molecular-weight polymer. It is utilized in high-end rubber products, such as radial tires, and other rubber compounding applications.

Hydrogenation Process for Producing Light Petroleum Resins

The hydrogenation of petroleum resins (PRs) and the possibilities of using light hydrogenated PRs as components of hot-melt adhesives and pressure-sensitive adhesives have been surveyed.

Puyang Kairuide Petroleum Resins Co., Ltd.,

In adhesive and sealant industry, hydrogenated C9 petroleum resin has good thermal stability and good compatibility with EVA,SBS,SIS and other resins, so it is widely used in hot melt adhesive and pressure sensitive adhesive field.

Low Melt Viscosity of Hydrogenated Petroleum Resin

In today’s efficiency- and performance-driven era, advancements in material science have brought revolutionary changes to industries. Hydrogenated petroleum resin (HPR), as a critical synthetic material, has long been a focus for researchers aiming to optimize its properties. This article explores how chemical modifications can reduce the melt viscosity of HPR, thereby enhancing its effectiveness in specific applications.

1. Overview of Hydrogenated Petroleum Resin

Hydrogenated petroleum resin is a high-molecular-weight compound derived from petroleum cracking products through hydrogenation. It exhibits excellent heat resistance, electrical insulation, and mechanical strength, making it widely used in coatings, adhesives, and hot melt adhesives. due to its molecular chain structure, HPR tends to degrade at high temperatures, leading to increased melt viscosity, which negatively impacts its processing and application performance.

2. Importance of Reducing Melt Viscosity

Melt viscosity is a key factor affecting the processability of HPR. Excessively high viscosity not only complicates processing, increases energy consumption, but also risks compromising product appearance and performance. reducing melt viscosity is crucial for improving the overall performance of HPR.

3. Chemical Modification Methods

To lower the melt viscosity of HPR, researchers have developed several chemical modification approaches, including:

1. Incorporating Flexible Segments: Introducing flexible chains such as polyethers or polyamides into the HPR backbone reduces intermolecular forces and chain entanglement, thereby improving flowability and processability.

2. Copolymerization Modification: Copolymerizing HPR with materials like polyvinyl alcohol or polystyrene creates compatible copolymers that lower melt viscosity while retaining desirable properties.

3. Crosslinking Modification: Adding crosslinking agents (e.g., multifunctional organosilicon compounds) forms a network structure, enhancing thermal stability and mechanical strength while reducing melt viscosity.

4. Surfactant Modification: Incorporating non-ionic surfactants minimizes electrostatic interactions between chains, reduces entanglement, and improves flow characteristics.

4. Practical Application Cases

Industrial implementations of these modifications have successfully reduced HPR’s melt viscosity, enhancing its performance in coatings and adhesives. For example, one company integrated flexible segments into HPR, maintaining high-temperature processability and adhesion for advanced coatings. Others employed copolymerization to produce HPR with improved heat resistance and mechanical strength, suitable for surface treatment of high-temperature industrial equipment.

Reducing the melt viscosity of hydrogenated petroleum resin is vital for optimizing its performance in specialized applications. Chemical modifications—such as flexible segment incorporation, copolymerization, crosslinking, and surfactant addition—effectively lower viscosity while preserving or enhancing other properties. As material science advances, HPR’s performance will likely continue to improve, driving greater contributions to industrial and technological progress.