#Textile chemistry

2021-01-13

RUDOLF GROUP launches bio-based DWR performance from natural sources

The RUDOLF GROUP is an uncontested agent of positive change especially when it comes to pioneering technologies that help transforming the textile and fashion industries. A shining example of conscious leadership played by the RUDOLF GROUP over the past decades is the invention and introduction of fluorine-free Durable Water Repellency (DWR) for textile and apparel. Since 2003, the RUCO?-DRY product line has gradually convinced the industry that water-resistance can be achieved through the study and replica of natural models.

“Biomimicry and the study of lotus leaves and bird’s feathers were instrumental in developing the very first fluorine-free DWR’s” says Dr. Gunther Duschek, Managing Director at RUDOLF GROUP.

Fifteen years later, RUDOLF GROUP does it again and takes a significant leapfrog. It pushes the boundaries of R&D well beyond fluorine-free, embraces nature and introduces water repellent performance entirely based on natural components. “We are launching two brand new, distinctive product propositions entirely manufactured from natural sources that do not compete with human and/or animal nutrition” continues Dr. Duschek.

RUCO®-DRY BIO CGR is an absolute breakthrough and the first Durable Water Repellent (DWR) agent based on plant-derived processing wastes. In fact, RUCO®-DRY BIO CGR is made of natural waste that accumulates as by-product during the processing of cereal grains in the food industry. The leftover material that would otherwise be disposed of is refined to create a powerful water and stain repellent textile finish.

“By turning natural waste into DWR we have optimized the biologic character of RUCO®-DRY BIO CGR where the active component is made of more than 90% bio carbon” states Dr. Dirk Sielemann, R&D Director at RUDOLF GROUP. He continues: “Although most of the product is composed by recycled biomass, RUCO®-DRY BIO CGR meets the performance and durability of conventional water repellent textile finishes”.

RUCO®-DRY BIO NPE is an equally outstanding product innovation where DWR is entirely based on a carefully selected mix of natural plant extracts. The well-balanced mix of plant-based ingredients combines excellent water and stain repellent effects with breathability and a natural handfeel.

Unlike other 100% renewable raw materials, those used in the making of RUCO®-DRY BIO NPE are chemically and genetically non-modified and are not used as food, feed or fuel. Furthermore, all of the plant extracts that compose RUCO®-DRY BIO NPE are subject to a strict conservation and sustainability framework. “That’s why the supply of RUCO®-DRY BIO NPE is likely to remain limited to the creation and marketing of performance outdoor and sports apparel programs embedding state-of-the-art sustainable technology” concludes Dr. Duschek.

Both RUCO®-DRY BIO CGR and RUCO®-DRY BIO NPE are marketed through the BIO-LOGIC trademark, registered by RUDOLF GROUP.

RUDOLF appoints Marcos Furrer as CEO, Dr Gunther Duschek as CTOO and Dr Oliver Kusterle as CSO – Dr Wolfgang A. Schumann becomes Chairman of the Board of Directors

RUDOLF, a leading global medium-sized specialty chemical company, is adopting a new management structure at the beginning of 2025 to accelerate the implementation of its strategic goals. The aim remains to further strengthen RUDOLF‘s international market position and to sustainably, expand the company‘s innovative strength in an increasingly dynamic competitive environment.

RUDOLF introduces innovative digital pigment printing toolbox

RUDOLF, a world leader in speciality chemicals, announces a development in digital textile printing with the introduction of its new Digital Pigment Printing Toolbox. Continuous research and development enables RUDOLF to offer products with maximum performance and minimum environmental impact. Interest in digital pigment printing is growing because it has the advantage over other printing technologies of eliminating one process step. With pigment printing, there is no need for posttreatment, which means that the water required for post-treatment can be saved.

RUDOLF wins Responsible Care Federal Competition 2023

The innovative company RUDOLF has been honoured for its outstanding achievements in the field of sustainability and environmental protection and has won the coveted Responsible Care Federal Competition 2023 in the category SME. In line with the theme „Our sustainable and economical use of energy“, RUDOLF is investing in a new refrigeration plant to supply cooling water for production at its headquarters in Geretsried.

Zschimmer & Schwarz at ITMA Asia in Singapore

At ITMA Asia in October 2025, Zschimmer & Schwarz will present 100 % bio-based spin finishes from the LERTISAN range designed for hygiene nonwovens, and HYDROSET ECO-DRY, a bio-based wicking agent that delivers excellent moisture management for synthetic fabrics. For dye fixation on polyamide, the company has developed a sustainable, plant-based product completely free from phenol, bisphenol, and formaldehyde. The patented aftertreatment agent ZETESAL ECO-FIX PA ensures durable and reliable fixation, particularly on dark shades.

Covestro and Heraeus Precious Metals collaborate to enable safer, more sustainable antimicrobial textile coatings

Laboratory tests reveal that AGXX antimicrobial surface technology from Heraeus Precious Metals is fully compatible with Impranil® PU dispersions which are part of the waterborne INSQIN® textile coating technology from Covestro, paving the way for more sustainable antimicrobial textile coatings. This discovery comes at a key moment for the textile coatings industry. As the sharing economy continues to grow, more people are coming into regular contact with high-use surfaces, creating ideal conditions for bacteria, viruses, and other microorganisms to thrive.

Archroma launches the first truly durable silicone softener for cotton that stays silky soft for longer: SILIGEN® D2W LIQ C

Archroma, a global leader in specialty chemicals towards sustainable solutions, today launched SILIGEN® D2W LIQ C, the industry’s first truly durable silicone softener for cellulosic as well as cotton-lycra blended knits. Designed to keep the fabric soft and elastic for an extended usage, it is ideal for textile and fashion applications where long-lasting comfort and breathability are important, from undergarments and sleepwear to baby and children’s clothing, dresses and trousers, activewear, T-shirts and towels.

BCI warns against ‘dangerous dilution’ of EU corporate directives

The approval of the European Commission’s Omnibus I proposal by the European Parliament’s Committee on Legal Affairs, accepting controversial changes to key sustainability directives is of great concern. These changes, namely to the Corporate Sustainability Reporting Directive (CSRD) and the Corporate Sustainability Due Diligence Directive (CSDDD), threaten to significantly dilute business reporting and due diligence obligations.

Pioneering open-source framework shows how early innovation drives a just and net-zero fashion future

The non-profit H&M Foundation, in collaboration with Accenture, has unveiled From Signals to Systems Change, an insight report calling on the fashion industry to rethink its role in transformation. At its core is the Reimagined System Map, a pioneering open-source framework that visualises how early-stage innovation could drive a just and net-zero textile future.

Groz-Beckert showcases textile innovation at ITMA Asia + CITME 2025 in Singapore

From October 28 to 31, 2025, the global textile industry will gather at ITMA Asia + CITME at the Singapore Expo, where Groz-Beckert will present its latest highlights and innovations across its six product areas – Knitting, Weaving, Nonwovens, Tufting, Sewing, and Spinning – at Hall 5, Booth B301.