PVC | PLASTICISERS
work to synthesise new products, including renewa- ble-based types. “We see extending the value chain toward specialty products as essential. To this end, we are soon launching a second Research and Development Center (CBR II) to provide solid support for developing new technologies,” accord- ing to a spokeperson for the company.
The company is also working to reduce CO2 emissions related to its products. “We are imple- menting changes within our production facilities to ensure that Segment Oxoplast will benefit from energy utilities produced with a vastly reduced and, periodically, even zero carbon footprint,” says Oxoplast BU director Maciej Budner. Last year, Lanxess completed the acquisition of
Figure 5: Chart showing the relationship between temperature and viscosity in PVC formulations plasticised with a variety of plasticisers tested in a plate-plate viscosimeter. Formulation comprises Solvin 382NG 100 phr, plasticiser 50 phr, Ca/Zn stabiliser 2.5 phr. Source: Varteco/Solvay
Varteco has two production sites in Argentina, as well as offices in Spain. It has recently certified its San Luis production site with the Round Table for Sustainable Soy Chain of Custody Standard, which ensures zero deforestation from soybeans used in its production process. The Innoleic plasticiser portfolio includes: Innoleic E1, a fast-fusing plasticiser developed as an alternative to low molecular weight phthalates and benzoates (Figure 5); Innoleic B5.2 and Innoleic MB25, designed for extrusion processing technologies in flooring, cable, shoes, hoses; and Innoleic B5 and Innoleic MB50, which are intended for plastisol technology. Diego García Touza, Area Business Manager for
Varteco Quimica Iberica in Barcelona in Spain, says one of the most recent and innovative develop- ments using an Innoleic plasticiser was carried out by Safari Klip in Turkey. It developed a bio-leggings apparel collection using a synthetic leather produced with bio-attributed PVC (Inovyn’s Biovyn) and Innoleic B5, which is certified as 100% bio- based under the BioPreferred label.
Specialty focus The Oxoplast business unit within Grupa Azoty is expanding its plasticiser range into specialty products. As of last year, in addition to its Oxoviflex DOTP general-purpose plasticiser, its product portfolio now features the Oxofine line of specialty plasticisers. These include Oxofine DBT, Oxofine TOTM, Oxofine DOA and the first polymeric plasticiser in the portfolio, Oxofine Poly2K. Grupa Azoty says that it is continuing its R&D
24 COMPOUNDING WORLD | August 2022
Emerald Kalama Chemical, the US-based speciality chemicals company. As a result, the plasticiser portfolio of the Polymer Additives division of Lanxess now includes specialty plasticisers based on benzoate chemistry. These are being produced at two production sites in the US and in Europe. The K-Flex dibenzoate plasticiser product line contains a variety of high solvating dibenzoate plasticisers for PVC applications. “K-Flex 850P and K-Flex 975P have found broad utility as fast fusers in numerous applications and have served as tools for formulators to increase fusion speed, compat- ibility, and performance when switching from traditional phthalates to the less compatible phtha- late alternatives, such as DOTP,” according to Lanxess.
“In addition, the K-Flex plasticisers impart
exceptional stain and extraction resistance, especially versus oily solvents. As little as 15% DOTP can be offset using K-Flex 850P or K-Flex
Grupa Azoty is investing to add specialty plasticisers to its existing Oxoviflex general purpose products
www.compoundingworld.com
IMAGE: GRUPA AZOTY
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