FOAMABLE COMPOSITIONS AND METHODS FOR FABRICATING FOAMED ARTICLES

In one aspect, a foamable composition is disclosed, which comprises a base polymer, talc and a citrate compound blended with the base polymer. In some embodiments, the concentration of the talc in the composition is in a range of about 0.05% to about 25% by weight, e.g., in a range of about 2% to ab...

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Hauptverfasser: GLEW Charles, M, ROSA Nicolas, M, GLEW Charles, A
Format: Patent
Sprache:eng ; spa
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Zusammenfassung:In one aspect, a foamable composition is disclosed, which comprises a base polymer, talc and a citrate compound blended with the base polymer. In some embodiments, the concentration of the talc in the composition is in a range of about 0.05% to about 25% by weight, e.g., in a range of about 2% to about 20%, or in a range of about 3% to about 15%, or in a range of about 5% to about 10%. Further, the concentration of the citrate compound in the composition can be, for example, in a range of about 0.05% to about 3% by weight, or in a range of about 0.02% to about 0.9% by weight, or in a range of about 0.03% to about 0.8% by weight, or in a range of about 0.04% to about 0.7% by weight, or in a range of about 0.05% to about 0.6% by weight. En un aspecto, se divulga una composición espumable, que comprende un polímero base, un talco y un compuesto de citrato mezclado con el polímero base. En algunas modalidades, la concentración del talco en la composición está en un rango de aproximadamente 0.05% a aproximadamente 25% en peso, por ejemplo, en un rango de aproximadamente 2% a aproximadamente 20%, o en un rango de aproximadamente 3% a aproximadamente 15%, o en un rango de aproximadamente 5% a aproximadamente 10%. Además, la concentración del compuesto de citrato en la composición puede estar, por ejemplo, en un rango de aproximadamente 0.05% a aproximadamente 3% en peso, o en un rango de aproximadamente 0.02% a aproximadamente 0.9% en peso, o en un rango de aproximadamente 0.03% a aproximadamente 0.8% en peso, o en un rango de aproximadamente 0.04% a aproximadamente 0.7% en peso, o en un rango de aproximadamente 0.05% a aproximadamente 0.6% en peso.