Update | products AIRLESS SPRAYING


Telansen adds new sprayers


Telansen Coating Machin- ery, formerly Shanghai Coating Equipment, has added a two –component model to its range of industrial pneumatic airless sprayers suitable for applications such as internal and external pipe coating. The range of pneumatic


and compressed air-driven airless sprayers feature high pressure operation and large tip sizes that make them well suited to the application of thick liquids such as primers, anti-cor- rosion, high inorganic zinc, epoxy iron red, and peelable coatings. They are suitable for connection to hoses up to 150m long, allowing simple application in internal coating projects. According to the


company, the units offer long service life due to the use of a durable plunger pump body that provides a long stroke, large output volume, and low direction- changing frequency. ❙ www.airlessprayer.com


ENGINEERING PLASTICS New PEEK line for O&G sector


Luvocom EOG is a new line of PEEK compounds from Germany-based Lehmann&Voss formulated specifically for demanding applications in the oil & gas and energy industries. Developed to meet the need for high


Lehmann & Voss offers O&G firms easier processing PEEK grades


www.pipeline-coating.com


performance and low risk in material selection, the new compounds are said to offer unlimited life expectancy at


240°C (464°F) in downhole environmen- tal conditions (per NORSOK M-710 Standard). The Luvocom EOG family of com- pounds is said to offer easier processing, up to 50% shorter annealing times and reduced wear when compared to traditional PEEK compounds. ❙ www.lehvoss.de


December 2016 | PIPELINE COATING 29 RESIN ADDITIVES Silicone flexes epoxy benefits


Milliken subsidiary SiVance has launched SiVance C2010 resin, a new reactive silicone designed to create highly durable epoxy-silicone hybrid coating formulations. According to the compa-


ny, SiVance C2010 is a high-performance material that helps extend the flexibility and impact resistance of protective coatings used in harsh operating environments such as undersea drilling, hydraulic fracturing and chemical manufacturing. Compared to coatings made with competitive products, hybrid formulations incorpo- rating SiVance C2010 resin are said to enable formulators to avoid the cracking, delamina- tion and blistering problems that lead to corrosion and failure of metal pipes, tanks and equipment. “While epoxies for protec-


tive coatings have been enhanced over the years, they are approaching their limits,” says Jeff Jones, SiVance business development director. “At the same time requirements for today’s extremely demanding


SiVance’s C2010 resin improves flexibility of epoxy-based coatings


environments are escalating.” According to


SiVance, epoxies are susceptible to cracking and


delamination when exposed to heat, chemicals and hot water due to their brittle structure, in turn caused by their high crosslink density. Replacing part of an epoxy coating system with SiVance C2010 silicone resin – which is more flexible, thermally stable and hydrophobic than epoxy – cre- ates a hybrid that can better absorb stress from reverse impact and thermal shock. Ever-deeper undersea drilling operations, for example, subject coatings to higher temperatures and pressures. SiVance says that laboratory tests under these


conditions have shown that bisphenol-A epoxy-silicone hybrid formulations made with SiVance C2010 resin far surpass typical bisphenol-A epoxy formulations in flexibility (conical mandrel bend test and a three-point bend test) and reverse impact performance (ASTM D2794). These improvements are achieved with only a


minor decrease in other


critical properties. While organic modifiers and other reactive silicones provide similar flexibility upon curing, the company claims this declines more rapidly than SiVance C2010 resin under exposure to demanding environmental extremes. SiVance C2010 resin uses


a proprietary structure that makes it broadly compatible with aliphatic epoxies and aromatic epoxies such as bisphenol-A, bisphenol-F and phenol novolacs. It is available globally in commer- cial quantities. ❙ www.millikenchemical.com/sivance


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