Potassium Soap of Disproportionated Rosin DRS K 80

Disproportionated rosin (DPR) is compound of dehydroabie acid and dihydroabtice acid, the DPR is processed through catalytic reaction of gum rosin on proper temperature. In the synthetic rubber industry, DPR is used as emulsifier in the producing of various products including styrene-butadiene rubber, chloroprene rubber, acrylonitrile-butadiene rubber and acrylonitrile-butadiene-styrene rubber. Using DPR as an emulsifier, rubber product will improve in cohesion, and the endurance to heat will increase for 25%. The endurance to both abrasion and laceration of this rubber is better than ordinary styrene-butadiene rubber. The cohesion will be greatly enhanced if blended with natural rubber.

A comparative study of α- and γ-functional silane coupling agents in silica-filled SBR vulcanized with conventional sulfur systems shows that the effects of silanes on vulcanization kinetics and their coupling effects depend on their structure and location. Rubber reactive groups. All tested silanes containing mercapto or sulfide functional groups resulted in improvements in tensile properties and affected the cure kinetics of the systems used.

Rosin modified maleic anhydride resin is a slight yellow transparent solid, which is adducts of gum rosin and maleic anhydride through the esterification by glycerol or pentaerythritol.   

HC52100 C5 Resin - Low-molecular-weight, slightly yellow granules; modified aliphatic C5 hydrocarbon resin used worldwide as the primary binder in hot-melt road-marking paints. High toughness, rigidity and adhesion; creates a smooth, non-cracking surface. Year-round stability: excellent compatibility with pigments, fillers and rosin; remains flexible in winter and non-softening in summer. Superior weatherability: water-proof, UV-resistant and chemical-resistant for premium-grade markings.

In the DCPD resin based on hydrogenated reaction producing DCPD resin with high bright, light color, has the advantages of good thermal stability; Widely use in hot melt adhesive industry.  

Felcosil-779: low-dust, 10–14 µm particles with 130–160 m²/g surface area deliver high reinforcement for stronger, clearer, heat-resistant HTV silicone rubber.

Crosile®-7270 is a low-viscosity silane polymer featuring methacryloxy and methoxy groups, designed to improve adhesion between films and substrates such as glass and metals. It is widely applicable, including in photovoltaic (PV) module encapsulant systems.

Felcosil-EC 150 is hydrophilic fumed silica with a specific surface area of 150m²/g. It is a kind of high purity white colloidal powder.