Henkel further invests in its largest Indian manufacturing facility

Henkel Adhesives Technologies India Private Limited (Henkel India) announced the completion of Phase III of its manufacturing facility in Kurkumbh, near Pune, Maharashtra. The Kurkumbh site, which was launched in 2020, serves the growing demand of Indian industries for high-performance solutions in adhesives, sealants, and surface treatment products. The new Loctite plant, named after Henkel's renowned brand Loctite, was inaugurated by Mark Dorn, Executive Vice President, Henkel Adhesive Technologies, along with other Senior Management members of the company.

Henkel Adhesive Technologies entered the Indian market in 1996 and is a significant growth driver for this business today. Henkel has been expanding its presence in the country through consistent strategic investments to meet the rapid growth. Today, the company has a strong footprint in India and operates five manufacturing sites, two innovation centers, a customer experience center, a packaging academy, and an application center for the footwear industry.

The new Loctite plant in the Kurkumbh manufacturing site reflects Henkel's vision to drive growth in the Indian market. The plant will serve Indian businesses, further localize the product portfolio, and thus, reduce dependence on imports. It will also help address the supply-demand gap of high-performance adhesive solutions for the manufacturing, maintenance, repair and overhaul (MRO), and automotive components sectors. Henkel Adhesive Technologies is well-positioned to meet the demand arising in these fast-growing market sectors.

Speaking on the launch, Mark Dorn, Executive Vice President at Henkel Adhesive Technologies, said, “India has emerged as a focus market for Henkel globally. The new Loctite plant highlights our vision to emerge in the country as a self-reliant global market player with a strong local presence. With continued investments, efficient supply chains, and customer-focused solutions, Henkel is committed to driving growth in India and building ecosystems of innovative and sustainable solutions with our partners and customers.”

The Kurkumbh site also showcases Henkel's dedication to the local community as a responsible corporate citizen. It meets the highest standards of sustainability and is LEED Gold certified, a rare feature among chemical plants. In addition, Henkel aims to achieve carbon-neutrality in Kurkumbh for Scope 1 and 2 emissions by 2030. To support this ambition, the site has signed a green electrical energy Power Purchase Agreement and installed on-site solar panels.

source:Henkel

Today's KNOWLEDGE Share : New Thermoresponsive Adhesive for Pain-free Wound Dressings:

Today's KNOWLEDGE Share

New Thermoresponsive Adhesive for Pain-free Wound Dressings:

In a project funded by the Baden-Wuerttemberg Foundation, researchers at the University of Freiburg have developed an innovative adhesive polymer for wound dressings that adheres securely under temperature control but is easy to remove. This approach enables dressings to adhere firmly to the skin or wound site at body temperature without restricting the patient's freedom of movement.

However, when the dressing is cooled, such as with a cold pack, it can be removed very easily and without pain. Additionally, no adhesive residue remains on the healing tissue. The adhesive material's property of "switchable stickiness" is achieved through a crystallization process.

Adhesive Made of Copolymers and PVA Fatty Acid Esters:

The research team at the Institute of Macromolecular Chemistry at the University of Freiburg, led by prof. Dr. Rolf Mülhaupt and prof. Dr. Thorsten Steinberg, who supervised the project from a medical perspective at the Freiburg University Medical Centre, developed an adhesive consisting of copolymers and polyvinyl alcohol (PVA) fatty acid esters with crystallizable side chains and varying compositions.

The strategy is based on thermoresponsive polymers, which are solid at room temperature and molten at body temperature, exhibiting adhesion only in the molten state. Cooling induces crystallization of these side chains, resulting in a loss of adhesion to the skin. Crystallization causes physical cross-linking of the material, significantly inhibiting adhesion to the skin while increasing the material's cohesion. This allows the dressing to be removed in one piece without leaving any adhesive residue and without causing pain.

Simultaneously, the volume is reduced, decreasing the contact surface between the wound dressing and the skin, facilitating detachment.

Suitable for Burn and Infected Wounds:

In application, the material changes due to body heat and adheres accordingly. By applying a cold pack, the material crystallizes and no longer adheres to the skin. The material does not enter the wound. This wound dressing is particularly suitable for burns, allergic or sensitive skin, or infected wounds, as it prevents skin injuries or detachment. This type of wound dressing is also ideal for inpatient wound treatment or for large wounds, as it leaves no adhesive residue and exhibits excellent biocompatibility.

A patent application has been submitted for this invention (WO2023/ 134899A1). The Technologie-Lizenz-Büro (TLB) GmbH supports the scientists at the University of Freiburg and the Baden-Wuerttemberg Foundation in patenting and marketing the current development. TLB has been commissioned to commercialize this pioneering technology and offers manufacturers of wound care materials the options of licensing, purchasing the patent, or collaborating on further development.

Source: Universität Freiburg/adhesives.specialchem.com

Argonne-led Research Working Toward Reducing Electronic Waste With Biodegradable Luminescent Polymers

From your car’s navigation display to the screen you are reading this on, luminescent polymers a class of flexible materials that contain light-emitting molecules are used in a variety of today’s electronics. Luminescent polymers stand out for their light-emitting capability, coupled with their remarkable flexibility and stretchability, showcasing vast potential across diverse fields of application.

However, once these electronics reach their end use, they are discarded, piling up in landfills or buried underground. Recycling this electronic waste is complex, requiring expensive and energy-inefficient processes. Although there is an economic incentive to recycle the key semiconducting materials in this case, luminescent polymers there has been no method to achieve this due to the challenge of designing those materials at the molecular level.

Overcoming this challenge was the motivation behind the newest Nature Sustainability publication led by researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, along with collaborators at the University of Chicago, Purdue University and Yale University. The team developed a strategy to design luminescent polymers with high light-emitting efficiencies from the start that are both biodegradable and recyclable. They do so by incorporating a chemical called tert-butyl ester into the luminescent polymers, which can break down when exposed to heat or mild acid.

In short, this chemical enables the recycling of the material while maintaining high light-emitting functions.

The team then used a device to test the material’s external quantum efficiency, an indicator of light source performance. It scored an impressive 15.1% in electroluminescence, a tenfold increase from the existing degradable luminescent polymers.

At the end of life, this new polymer can be degraded under either mild acidic conditions (near the pH of stomach acid) or relatively low heat treatment (> 410 F). The resulting materials can be isolated and remade into new materials for future applications.

The team aims to make future electronics more sustainable (easier to degrade or recycle) and not just design for current function. They also want to expand the usability of these products into other fields.

Next steps for scaling the technology include moving it from the lab to electronics such as cell phones and computer screens with continued testing.

The team noted this is only a first step in the process, but with electronic waste, every step counts. They hope that more attention will be paid to designing electronics with sustainability in mind, especially since this depolymerization proof of concept was so successful.

source:Argonne National Laboratory/businesswire.com

Today's KNOWLEDGE Share : Hengshen carbon fibre cables

Today's KNOWLEDGE Share 

Hengshen carbon fibre supports one of the world’s tallest bridges:

The first main cable strand of the Huajiang Canyon Bridge, one of the world’s highest bridges under construction located in China’s Guizhou province, was successfully installed, realizing stress monitoring by using grating optical fibre (composite carbon fibre filament) on the 2,378-metre-long main cable.

The intelligent carbon fibre cables used in the project were jointly designed by Hengshen, China’s major carbon fibre and composite materials producer, and Three Gorges University, and manufactured by Hengshen. The company underlines that “this fully proves Hengshen’s technical strength and product quality, and highlights the company’s competitiveness and influence in the field of intelligent monitoring of carbon fibre composite materials.”

The application of this stress and strain monitoring technology on a long-span suspension bridge is the first of its kind in the world, taking a key step towards innovation and empowerment of intelligent condition monitoring for suspension bridges, according to Hengshen.

The smart cable is a fibre optic array sensing device installed in the main cable strands of the bridge to perform condition monitoring of the main cable. It is equivalent to the “nervous system” of the bridge’s main cable. The safety of the main body of the bridge is monitored through the stress changes of the cable strands. A network fibre is also configured to monitor the temperature and humidity of the cable’s internal environment. The aim is to monitor and understand whether the internal environment of the cable affects the durability of the main cable and whether the outer protection of the main cable is damaged. In addition, the smart cable is also equipped with a dehumidification system to ensure that the internal humidity of the main cable is within a reasonable range, to effectively protect the main cable, preventing corrosion, and extending its service life. 

“With the continuous development of science and technology, Hengshen people will keep on making improvements and breakthroughs to help the rapid development of intelligent health monitoring of suspension bridges in China“, says Hengshen. The company has five thousand-ton carbon fibre production lines with an annual production capacity of 5,000 tons of carbon fibre. The product portfolio covers raw silk, carbon fibre, sizing agents, fabrics, liquid resins, adhesives, prepregs, carbon fibre composite parts, and aviation composite structural parts. 

source:Hengshen/jeccomposites.com

TYPE 4 COMPOSITE H2/CNG Cylinder

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Dentsply Sirona Introduces Adhesive with Moisture Control

Dentsply Sirona has introduced Prime&Bond Active, a universal adhesive designed to enhance the reliability of dental restorations by managing moisture levels during application. The product's adhesive chemistry technology is designed to ensure consistent performance across diverse moisture conditions, supporting strong adhesive bonds without compromising simplicity or predictability.

Prime&Bond Active's blend of hydrophobic and hydrophilic properties help the product overcome the surface tension of water, which allows the adhesive to spread evenly across dentin and into dentinal tubules in a uniform, homogenous layer that leaves a strong, reliable bond after air-drying. This "active spreading" minimizes the risk of dry spots that can lead to postoperative sensitivity or micro leakage. 

To reduce the risk of patient sensitivities, the formula is created without 2-hydroxyethl methacrylate (HEMA), TGDMA or bisphenol.

source:dentaltown.com

Kineco's Composite Hull mounted SONA DOME in Anti Submarine Warfare

Kineco Ltd., a leading flag bearer of "Make in India" Mission achieved yet another milestone, when the 1st of 16 Kineco make Composite Hull mounted Sonar Dome was fitted to 'Anti Submarine Warfare- Shallow Water Craft' corvettes. (ASWSWC).

These indigenously developed Sonar domes manufactured by Kineco at its Goa India based manufacturing facilities, have been supplied to Bharat Electronics Ltd, Bangalore to be fitted to 'Shallow Water Craft' class Corvettes being built at GRSE and CSL Shipyards for Indian Navy.

The Sonar domes and Sonars are designed by DRDO with Sonar domes manufactured by Kineco's skilled workforce, mitigating the dependency on imports, is touted as one of the most successful stories of the 'MAKE IN INDIA' Mission and ‘Atmanirbhar Bharat’ initiatives showcasing prowess of Indian engineering and journey towards self-reliance in Defence.

source:Kineco Ltd