1、Using SBS/terpene‐styrene resin blends as a novel high‐viscosity
To improve the inferior stability in high‐viscosity asphalt prepared using styrene‐butadiene‐styrene block copolymer (SBS) and to simplify the preparation process, a novel high‐viscosity modifier...
2、Preparation and Properties of High
In this research, a novel high-viscosity asphalt (HVA) is developed using renewable modifiers to reduce its environmental impact and cost over traditional polymer modifiers such as styrene-butadiene-styrene and Tafpack super.
3、Using SBS/terpene‐styrene resin blends as a novel high‐viscosity
To improve the inferior stability in high-viscosity asphalt prepared using styrene-butadiene-styrene block copolymer (SBS) and to simplify the preparation process, a novel high-viscosity modifier (STP) was prepared with SBS, terpene-styrene resin (TSR) and plasticizer.
4、Chemical characterization of asphaltene structures derived from resins
This study investigates the chemical structural changes of asphalt fractions during aging, with a focus on resins-converted asphaltenes (RCAs), aiming to clarify the conversion mechanism and address controversies over molecular transitions.
Using SBS/terpene
To improve the inferior stability in high-viscosity asphalt prepared using styrene-butadiene-styrene block copolymer (SBS) and to simplify the preparation process, a novel high-viscosity modifier (STP) was prepared with SBS, terpene-styrene resin (TSR) and plasticizer.
Preparation and Properties of High
In this research, a novel high-viscosity asphalt (HVA) is developed using renewable modifiers to reduce its environmental impact and cost over traditional polymer modifiers such as styrene-butadiene-styrene and Tafpack super.
Abstract
Firstly, the effects of different N-HVM dosing on the general physical properties of asphalt were investigated by needle penetration, softening point, 5 ℃ ductility, 60 ℃ dynamic viscosity, 135...
Preparation and Properties of High
In this research, a novel high-viscosity asphalt (HVA) is developed using renewable modifiers to reduce its environmental impact and cost over traditional polymer modifiers such as...
Preparation and Properties of High
In this research, a novel high-viscosity asphalt (HVA) is developed using renewable modifiers to reduce its environmental impact and cost over traditional polymer modifiers such as styrene-butadiene-styrene and Tafpack super.
Preparation and Properties of High
Preparation and Properties of High-Viscosity Asphalt Using WTR, Terpene Resin, and APAO Journal of Testing and Evaluation ( IF 0.8 ) Pub Date : 2023-02-23 , DOI: 10.1520/jte20220601
In modern industry and construction, terpene resins and asphalt stand out as two critical synthetic materials, each with distinct properties and applications. Terpene resins, characterized by their unique physical and chemical traits, play vital roles in coatings, adhesives, and composite materials. Meanwhile, asphalt, prized for its exceptional adhesive strength and durability, is widely used in road paving, waterproofing, and infrastructure development. This article explores the chemical foundations and applications of these materials, highlighting their significance in contemporary material science.
Terpene Resins: Nature’s Polymeric Marvel Terpene resins are high-molecular-weight polymers formed via the polymerization of terpene compounds—natural products abundantly found in plant resins. Their molecular structures consist of repetitive units containing one or more carbon atoms linked by double bonds. This configuration endows terpene resins with properties such as high viscosity, strong adhesion, and excellent thermal resistance. Industrially, they form tough, elastic coatings that protect surfaces, making them indispensable in coatings, adhesives, and composites.
Asphalt: Petroleum’s Versatile Asset Asphalt, a petroleum derivative, comprises hydrocarbons of varying molecular weights, including paraffins, aromatics, and minor non-hydrocarbon components. Its key attributes—viscoelasticity and adhesive tenacity—make it irreplaceable in road construction. When mixed with aggregates (e.g., gravel, crushed stone), asphalt forms asphalt concrete, renowned for stability and load-bearing capacity. This versatility cements its status as the go-to material for highways, bridges, airport runways, and other critical infrastructure.
Synthesis Pathways: From Raw Materials to Polymers Though distinct, the production of terpene resins and asphalt both involve transforming raw materials into polymers.
- Terpene Resins: Extraction of terpene compounds from plants precedes their conversion into monomers or prepolymers. Catalyzed polymerization then yields high-molecular-weight resins, with reaction conditions (temperature, pressure, catalysts) critical to performance.
- Asphalt: Its manufacturing is more complex, involving原油蒸馏（distillation）、脱蜡（dewaxing）、催化裂化（catalytic cracking）等步骤。通过添加抗氧化剂、稳定剂等添加剂，可调整沥青性能以满足特定需求。
Applications: Complementary Roles in Industry
- Terpene Resins: Their heat resistance, chemical inertness, and adhesive properties make them ideal for:
- High-temperature/chemical-resistant coatings.
- High-strength, elastic adhesives.
- Advanced applications like electronic encapsulants and aerospace bonding agents.
- Asphalt: Dominates infrastructure due to unmatched durability and adhesion:
- Roads, railways, and runways rely on asphalt concrete for stability under harsh conditions.
- Waterproofing systems benefit from its malleability and weather resistance.
Synergy in Modern Materials** Terpene resins and asphalt are pillars of industrial and construction materials. While terpene resins leverage natural chemistry for coatings and composites, asphalt’s engineered durability underpins global infrastructure. As material science advances, these polymers will continue evolving, driving innovation and shaping a resilient built environment.
