Kraiburg kicks off program to develop renewables-based TPEs

Kraiburg kicks off program to develop renewables-based TPEs

Kraiburg TPE is embarking on what it describes as an ambitious campaign to develop custom-engineered thermoplastic elastomers containing variable proportions of renewable raw materials.

Kraiburg TPE is embarking on what it describes as an ambitious campaign to develop custom-engineered thermoplastic elastomers containing variable proportions of renewable raw materials. By developing customer-specific and application-specific compounds using renewable raw materials, Kraiburg TPE is aiming to meet the growing demand for environmentally-friendly and sustainable thermoplastic elastomers.

Kraiburg TPE sees tremendous potential for custom-engineered thermoplastic elastomers with adjustable proportions of renewable raw materials of up to 90%, both in the consumer market and also in the industrial and automotive markets.
Kraiburg points out that “bio” is a broad term that is by no means synonymous with “sustainable” in the sense of a strategy for saving resources and protecting the environment. Because even renewable raw materials also have carbon footprints, as well as water footprints, that can have an impact on the environmental balance, depending on their provenance and the way they are grown. Factors that play a decisive role here include irrigation, fertilizers, transport energy and energy consumed for reprocessing.

“Part of the challenge involves taking into account the environmental balance of the materials’ whole life cycles, including their impact on ecosystems and people’s health,” emphasizes CEO Franz Hinterecker from Kraiburg TPE. “It has also become apparent that what our customers expect from the properties of ‘biomaterials’ varies widely depending on the application – while at the same time we have to meet strict criteria regarding the materials’ conformity and performance.”

Kraiburg TPE’s modular system makes it possible to develop customer-specific materials with different proportions of renewable raw materials. Typical performance characteristics that are also relevant here include mechanical properties such as tensile strength and elongation, as well as processability, heat resistance and adhesion to ABS/PC or PP and PE, for example. The requirements are determined in close collaboration with each customer and translated into a sustainable and cost-effective solution by our developers.

In classical approaches, it is technically possible to produce bio-based materials with very high proportions of renewable raw materials. However, materials of this kind usually suffer from very high raw materials costs, while providing only very limited mechanical properties. However, the modular system has now enabled Kraiburg TPE to resolve this contradiction almost completely by following a new, innovative approach beside the classical one.

The initial pilot projects based on the classical approach are showing a trend towards bio-based, certifiable proportions of 20% and more. Their potential use extends to all TPE applications in the consumer, industry and automotive markets. Examples range from toothbrushes and hypoallergenic elastic watch straps to fender gaskets.

Kraiburg TPE sees tremendous potential for custom-engineered thermoplastic elastomers with adjustable proportions of renewable raw materials of up to 90%, both in the consumer market and also in the industrial and automotive segments.

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