Obtención de resinas fenólicas termoestables de lignina extraída del bagazo de la caña de azúcar.

Authors

  • Sandra León Departamento de Química, Universidad Nacional, Heredia, Costa Rica
  • Franklin Sanabria Polymer de Costa Rica S.A.

Abstract

Polymerized thermostable resins were obtained from legnine, extracted from sugar cane bagasse. This was done in two stages:

  1. The lignine  is phenolized by reaction in an acid medium.
  2. The lignine is then reacted during the molding operation, with hexamethylentetraamine, that acts like a crosslinking agent.
Some properties of the synthetized resins were determinate; it a was found that the best formulation consist of 46,0% of resin (phenollignine), 34,5% of bagasse, 13,8% of hexamethylentetraamine, 3,7% of magnesium oxide and 2,0% of zinc stearate.

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Published

1988-01-01

How to Cite

Obtención de resinas fenólicas termoestables de lignina extraída del bagazo de la caña de azúcar. (1988). Uniciencia, 5(1-2), 47-52. https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/6717

Issue

Section

Original scientific papers (evaluated by academic peers)

How to Cite

Obtención de resinas fenólicas termoestables de lignina extraída del bagazo de la caña de azúcar. (1988). Uniciencia, 5(1-2), 47-52. https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/6717

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