Press Release: June 2017

Troy Corporation introduces the latest addition to its line of TroyCare™ Customized Preservative Solutions developed specifically for personal care and cosmetics applications: the new TroyCare™ ID-series. The new TroyCare™ ID-series is based on DMDM Hydantoin and IPBC in varying ratios. These customized blends are globally approved for most rinse-off and many leave-on formulations. With the expanding portfolio of Customized Preservative Solutions, formulators can now select a preservative in a choice of chemistries and active ratios. These preservative solutions offer the optimum levels of bactericide, fungicide, and boosting agents, yielding the lowest total preservative cost and fewer formulating challenges. 

“Offering flexibility to formulators is the core of the philosophy behind TroyCare™ Customized Preservative Blends,” says David Koehl, Global Business Manager – Personal Care at Troy Corporation. “The new ID-Series offers even more options for formulators, and remarkably low cost-in-use,” continues Koehl. TroyCare™ Customized Preservative Solutions can be optimized for specific formulations or formulation types. Preservation costs can be decreased while reducing or eliminating formulating challenges. 

Utilizing market-accepted ingredients with global approvals and strong safety profiles, TroyCare™ Customized Preservative Solutions bring excellent performance and reduced cost-in-use. Every formulation is unique.  

TroyCare™ advanced antimicrobials for personal care applications offer optimum performance at low use levels, cost-efficiency, and environmental responsibility. Incorporating the leading antifungal and antibacterial technologies available, TroyCare™ antimicrobials enhance the value of a wide scope of personal care and cosmetics products, including creams and lotions, body washes, gels, shampoo, mascara, eyeliner, personal care wipes, and more. 

Troy Corporation, founded in 1950, is a leading worldwide microbial control company, with products available in over 100 countries worldwide. Troy is the inventor of IPBC, which has been supplied to the personal care and cosmetics industry for over 30 years, and provides low cost and reliable protection for products and manufacturing processes.


PPCJ: June 2017

Lonza, a world leader and supplier of biocides, has been awarded the 2017 Ringier Technology Innovation Award for Proxel LS Preservative. The Ringier Technology Innovation Award for the coatings industry is a professional award in China that recognises products or technologies contributing to environmental protection and sustainable development. This Lonza biocide was one of nine winners in the additives category. 

Proxel LS Preservative is the next-generation wet-state preservation product that offers MIT-free broad spectrum performance at dosages that do not invoke the EUH208 allergen phrase. This next generation preservative is designed to address the challenging global regulatory requirements, while providing robust protection. Proxel LS Preservative is also expected to be in line with China’s upcoming green label regulation proposal. 

In accepting the award at a ceremony on May 24, 2017 in Shanghai (CN), Sandy Huang, Business Director of Coatings and Composites, Lonza China, said: “We are committed to the development of new actives and formulations to align with the ever changing stringent global regulations. Guided by market demands, we collaborate with our customers to continue to innovate and bring new products to the market.” 


European Coatings: June 2017

In the course of the systematic re-evaluation of all available biocidal active substances which is being carried out under the biocidal products regulation, it is emerging that the range of suitable active ingredients for in-can preservatives is narrowing more and more. With no major innovations expected in the biocides market, a bottleneck is looming that threatens the future of water-borne technologies according to a paper by Dr Christof Walter, German Paint and Printing Ink Association (VdL), Martin Glöckner, German Construction Chemicals Industry (Deutsche Bauchemie) and Dr Axel Heßland, German Adhesives Industry Association (Industrieverband Klebstoffe). 

Recent decades have seen solvent-borne products largely being superseded by their water-borne counterparts in adhesives, paints, coatings and construction chemicals, as well as many other products that can be processed as liquids. However,  welcome this development may be in terms of protection of occupational health, consumers and the environment, there is a downside to the replacement of organic solvents by water: susceptibility to mould and bacteria. Consequently, it is essential that products be protected against microbial attack.


Even when the level of industrial hygiene is very high, the introduction of germs and spores can never be completely ruled out, e.g. via the residual water content of pigments and fillers. Colonisation generally renders such products unfit for purpose and so they have to disposed of at great cost. This can be prevented by using suitable biocidal active ingredients (in-can preservatives), an approach that makes many water-borne technologies practicable in the first place.

Adequate range of biocidal active ingredients needed

From a cursory glance at the list of in-can preservatives that are undergoing or have received authorisation as part of the review of existing active substances, it would seem that they are available in sufficient number. The problem is that not all active ingredients are suitable for all applications. Thus, sensitivity to oxidation and stability in the correct pH range play a role, but odour and possible discolouration also need to be considered. In addition, most active ingredients target certain organisms only. In order that gaps may be avoided and resistance build-up prevented, what is needed is a kind of "tool box” of biocidal active ingredients, which are each employed at different concentrations. The maxim governing the use of biocides is "as little as possible, as much as necessary”. If the biocidal concentrations are too low, the biocides will not be effective at all or there is a risk that resistance will build up, as we have seen in the field of antibiotics.

Which active ingredients are still available?

For the time being, essentially two classes of compounds can still be used (see box), namely isothiazolinones and formaldehyde releasers. With the classification of formaldehyde as a category 1B carcinogen, formaldehyde releasers have come under considerable pressure. As for isothiazolinone-based preservatives, harmonised classification and labelling led to the imposition several years ago of a substance-specific labelling threshold of 15 ppm for CMIT/MIT (3:1 mixture) – the most effective active substance in this class. As a result, CMIT/MIT has been extensively replaced by other active ingredient combinations (e.g. those based on MIT; see box). As CMIT has a markedly higher skin sensitisation potential than MIT, the number of sensitisation cases has declined markedly in recent years.

However, the opinion of the ECHA Risk Assessment Committee is that a labelling threshold of 15 ppm should also apply to MIT. This raises the fear that an upper threshold of 15 ppm will be imposed on DIY applications, as happened in the case of CMIT/MIT, during active ingredient authorisation. When one considers that MIT (as opposed to CMIT/MIT) is not effective at that concentration, this would be tantamount to a ban on MIT. Given the limited availability of alternative substances – for which further restrictions can be expected (see box) – manufacturers would be forced to use CMIT/MIT instead of MIT-based preservatives, a step that would not chime with consumer and occupational health and safety because of the heightened sensitisation potential. 


Unfortunately, the innovations which authorities often call for cannot be conjured up out of a hat. In most cases, occupational hygiene alone will not solve the problem. What is more, there are applications in which it is simply impossible to have a germ-free environment, such as in some printing processes where the ink is in contact with the paper via the rollers. New, innovative active ingredients are needed. Yet innovations in the biocides market are unlikely in view of the huge research effort needed, enormous fees for authorising active substances, uncertainty over whether the active ingredient will ultimately be granted authorisation, and the comparatively small market for in-can preservatives.

A holistic approach is required

For this reason, the Association of the German Paint and Printing Ink Association (VdL), the German Construction Chemicals Industry (Deutsche Bauchemie) and the German Adhesives Industry Association (Industrieverband Klebstoffe) are advocating a holistic approach to the evaluation of biocidal active ingredients which takes their high functional benefits into account. In the absence of an holistic approach, the future of water-borne technologies is under threat. The use of active substances with a higher sensitising potential or even reversion back to solvents would be a huge step backwards in terms of occupational, environmental and consumer protection. The manufacturing industry is therefore appealing to all stakeholders to do everything in their power to ensure that this retrograde step is not taken and that the positive progress made in recent years continues and is not jeopardised.


Adhesives & Sealants: June 2017 

PPG has completed the sale of its Mexico-based Plaka plasterboard and cement-board business to Knauf International GmbH. 

PPG acquired the Plaka business in 2014 as part of its acquisition of Consorcio Comex, S.A. de C.V. Plaka, with approximate sales of $30 million in 2015. The company manufactures plasterboard, cement board and drywall primarily for the Mexican construction market. The business employs about 200 people and operates two manufacturing facilities in Querétaro, Mexico.


European Coatings News: June 2017

Sika is setting up production in Africa and is opening a concrete admixtures factory. Plans are already being made to add a mortar products manufacturing line. The company’s aim in establishing a local supply chain in the East African state Tanzania, which has a population of 50 million, is to benefit from planned investments in infrastructure.

Paul Schuler, Regional Manager EMEA and designated CEO: "By  establishing a new concrete admixtures and mortar production plant in the metropolis of Dar es Salaam, we are gaining an early foothold as a local producer in this growth market. In Tanzania, as in other African countries, major infrastructure projects are either in progress or at the planning stage, and we intend to supply our products to these projects. With currently 19 national subsidiaries and 17 factories we have established a comprehensive presence in Africa.”

The growth in construction in Tanzania is being driven by extensive investments in energy supplies and logistics infrastructure such as port installations and railways. Plans include the building of a 2,200 kilometer rail network and total investments of just under CHF 8 billion. Forecasts indicate that the Tanzanian construction sector is set to grow by just under 7% in 2017 and by 8% a year in the period up to 2025.