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Biorefineries - from biofuels to the chemicalization of agricultural products

100%
Kijeński J.
Polish Journal of Chemical Technology
|
2007
|
vol. 9
|
issue 3
42-45
EN
The recent research into the viable economy in sustainable energy from renewable sources has prompted a review into the potentials of Polish-oriented raw material sources as a catalyst for technological advance, product diversification and consumer satisfaction. The elongation of the process chain in vegetable (rape seed, potato), alcohol additives and glycerin processing has been found to drastically improve energy balances for the short processing methods adopted presently and can make Poland self sustainable in the future.
2
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Studies of properties of polypropylene/halloysite composites

63%
Szczygielska A., Kijeński J.
Polish Journal of Chemical Technology
|
2011
|
vol. 13
|
issue 3
61-65
EN
The results of the studies on the synthesis, mechanical and thermal properties of polypropylene composites with various amount of halloysite filler are presented. Halloysite (HNT) belongs to the silica type characterized by a two-layer 1:1 structure. This work was aimed to develop a method for the modification of halloysite in its prime use as a filler for polypropylene by extrusion. The composites contain 1, 3, 5 and 7 wt.% of HNT. The degree of crystallinity of the composites decrease with increasing halloysite content. The results confirm the expectations that composites of interesting physicochemical, mechanical and thermal properties can be obtained. The mechanical properties studied show that the filler modification method used leads to the synthesis of polymer composites of improved thermal and mechanical properties.
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