Stora Enso Oyj

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Jens Erdmann

Johannes Ganster

Niklas Garoff

André Lehmann

Robert Protz

Gunnar Engelmann

Johnannes Ganster

The present invention relates to a method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of said fibers. Said method involves applying a water-free spin finish.

Process for the manufacture of a precursor yarn

The invention relates to a method for thermally stabilizing melt-spun PAN precursors. For this purpose, the invention provides a continuous method for producing a thermally stabilized multifilament thread made of a meltable copolymer of polyacrylonitrile (PAN), wherein a pre-stabilized multifilament thread is thermally stabilized and in the process at least temporarily stretched. The invention additionally relates to a thermally stabilized multifilament thread which can be obtained according to a corresponding method and to a carbon fiber which is made of the correspondingly thermally stabilized multifilament thread.

Continuous method for producing a thermally stabilized multifilament thread, multifilament thread, and fiber

The present invention relates to a method for manufacturing a shaped body comprising lignin which may be further processed into intermediate carbon fibers and finally also carbon fibers. Uses of said fibers are also disclosed. The present invention addresses the problem of lignin leaching into a precipitation bath. The solution to this problem is a novel method for minimizing the loss of lignin through the addition of certain salts into the precipitation bath.

Process for the manufacture of a shaped body

The present invention relates to a method for manufacturing thermally stabilized, non-sticky and stretchable fibers, which may be further processed into intermediate carbon fibers and finally also carbon fibers. Uses of said fibers are also disclosed. Also a highly oriented intermediate carbon fiber is disclosed together with a highly oriented carbon fiber.

Fiber and a process for the manufacture thereof

Microstructured composite material, comprising a matrix, comprising at least one sort of a thermoplastic plastic material and, distributed homogenously in the matrix, at least one sort of lignin and/or at least one lignin derivative, characterized in that the at least one sort of lignin and/or at least one lignin derivative is present in particulate form and the cross-sectional area of the particles has a round, approximately round, circular, approximately circular, elliptical or approximately elliptical geometry.

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Berlin, Germany

Jens Erdmann