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BASF Unveils Bio-based Copolyamide with Better Transparency for Soft Packaging

Published on 2017-04-28. Author : SpecialChem

BASF's Ultramid® Flex F38 L is an entirely new and partly bio-based copolyamide. Because of its softness and transparency even at low temperatures and low humidity, this polyamide is ideally suited for soft packaging.

  • Tear and puncture resistance are also increased in an even softer film.
  • Films made of Ultramid® Flex F are even soft immediately after processing and without conditioning. 
  • This offers huge advantages for film processing at low temperatures and low humidity.

Comparison of Softness Properties of Various Ultramid Products
Comparison of Softness Properties of Various Ultramid Products

Sustainable Packaging Solutions


A quarter of the raw material used for the monomer is sourced from regionally-grown rapeseed oil. Ultramid® Flex F38 L supports the trend towards more sustainable packaging solutions. For the packaging industry, the new Ultramid® Flex F unlocks entirely new opportunities for launching bio-based products onto the market.

Enhanced Properties Open-up New Areas of Application


With a CO2 and O2 permeability 15 times higher than in conventional polyamide 6, the new Ultramid® Flex F38 L possess considerably changed barrier properties. For example, Ultramid® Flex F is ideally suited for use as cheese ripening bags.

Thanks to its high flexibility and softness, the new Ultramid® can also be used to produce soft vacuum and shrink bags. The product also allows for conventional stretching ratios in deep-drawing processes – without any stress whitening.

In addition to its use in the food industry, the new Ultramid® Flex F is the ideal solution for a wide array of technical films that are characterized by sufficient ductility and tear strength even at lower temperatures.

Processing


Ultramid® Flex F38 L has considerably higher melt stability than conventional polyamides, allowing for an outstanding bubble stability and higher blow-up ratio. These processing properties enable users to optimize the entire film structure.

BASF at Interpack 2017 in Düsseldorf


At Interpack 2017 in Düsseldorf from May 4 to 10, 2017, BASF experts will be showcasing a wide range of products and innovations from their packaging portfolio at booth 43 in hall 10, including the new Ultramid® Flex F38 L.

Ultramid Products for Wide-ranging Applications


  • With more than 60 years of experience, BASF is the leading supplier of high-quality polyamides and polyamide intermediates for the engineering plastics, film, fiber and monofilament industries.
  • The product portfolio includes Ultramid® B (polyamide 6), Ultramid® C (polyamide 6/6.6 copolymer) and Ultramid® A (polyamide 6.6). The product offerings are supplemented by technical services for our customers.

BASF operates Ultramid® polymerization plants in Ludwigshafen, Germany; Antwerp, Belgium; Freeport, Texas/USA; and Shanghai, China.

About BASF


BASF creates chemistry for a sustainable future. It combines economic success with environmental protection and social responsibility. The approximately 114,000 employees in the BASF Group work on contributing to the success of our customers in nearly all sectors and almost every country in the world. Its portfolio is organized into five segments: Chemicals, Performance Products, Functional Materials & Solutions, Agricultural Solutions and Oil & Gas. BASF generated sales of about €58 billion in 2016. BASF shares are traded on the stock exchanges in Frankfurt (BAS), London (BFA) and Zurich (BAS).

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Source: BASF
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