UFlex Chemicals business secures India patent for new process to derive Epoxy Ester Resin

Derivation of Epoxy Ester Resin

The Chemicals Business organization of Uflex appear securing of a patent (Patent No 354903) on 'A process for the preparation of Epoxy Ester Resin' in accordance with the provisions of the Patents Act, 1970. This is the first patent for chemicals business ever in India, and it will exist because applying for a global patent in due form of time. UFlex' Chemicals Business organisation is a leading manufacturer of inks, coatings, and adhesives for flexible packaging, cartons, labels, and paperboard.

UFlex' new patent volition ensure technical advancement in providing a process for resin training wherein no wastewater treatment is required, which is a meaning movement in the direction of sustainability. Furthermore, Epoxy Ester Resin prepared by this process will be used in radiation curing or energy curing, and therefore curing will be faster, different the typical Epoxy Ester resin, which is thermally cured and takes a longer time too beingness uneconomical. With enhanced stability of coating and its chemical resistance attributes, a total of 16 claims take been taken under this patent.

On securing this patent, Rajesh Bhasin, joint president, Chemicals Division, Uflex, said, "We are extremely delighted with the continued strengthening of our R&D prowess. The issuance of this patent is some other step in the evolution of a robust portfolio for our business. This is part of our initiative to backward integrate, using our inherent strengths. Such initiatives help us to have greater control on product quality and supply security. This unique achievement is all because of the progressive approach, years of difficult work, and delivery."

Epoxy Ester resins are known for their employ in coatings, paints, and adhesives. Before this patent was registered, conventionally, Epoxy Ester resin is produced in a two-phase process. The first stage is condensation, which generates a lot of salt that is removed through several h2o washings, resulting in a high effluent generation. Typically, wastewater contains 50,000-95,000 ppm TDS and 50,000-60,000 ppm COD, which, therefore, requires large capital investment for wastewater treatment plants adding to the majuscule expenditure and operating expense of the process Epoxy resin preparation. In the second stage of a conventional process, Epoxy resin is converted into Epoxy Ester resin with the esterification procedure, which results in the formation of undesirable Epoxy Ester resin, which has a nighttime color and odor.

Still, UFlex' newly invented and patented approach arrests the challenges posed in a conventional method every bit the Epoxy ester produced has no wastewater generation, no smell, and neither a dark colour, which is good for fast curing coatings with efficient, cost-effective processing.

Epoxy Resins are gaining supremacy over the conventional use of Vinyl Esters and polyesters in the flexible packaging industry also as in first printing areas. Epoxy Resins deliver performance aspect in five key areas – amend adhesion by allowing to bond to the reinforcement or core; superior mechanical backdrop imparting college forcefulness and stiffness; improved resistance to fatigue and microcracking issues; reduced degradation from water ingress. Epoxy Resins take a bottom shrink power by up to l% in comparison to Vinyl Esters and Polyesters; and increased resistance to osmosis, which is manner ameliorate than Vinyl Ester and polyesters.

**ppm- parts per 1000000; TDS – total dissolved solid; COD – chemical oxygen demand

The Chemicals Business organisation of UFlex that was incorporated in 1994 and headquartered in Noida is the leading provider of flexible packaging inks, h2o-based, solvent-less, and solvent-based adhesives, and specialty UV and LED coatings with the full range of UV and LED inks/coatings for sheetfed offset, letterpress and narrow web application serving customers beyond the world. Noida and Jammu plants are accredited with several certificates—such as ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 50001:2018, and ISO 31000:2018. Its state-of-the-fine art R&D center is NABL (ISO/IEC 17025:2017) accredited and recognized past the Department of Science and Engineering, Government of India. The verticals' prime focus remains on developing sustainable applied science, customized products, nutrient-safety toluene-free compliant inks every bit per IS 15495:2020, and providing on-site support to our customers.

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