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LIQUID FORMULATION FOR THE PREPARATION OF A TANNIN-BASED THERMOSETTING FOAM, METHOD FOR OBTAINING SUCH A FORMULATION AND FOAM OBTAINED FROM SUCH A FORMULATION
LIQUID FORMULATION FOR THE PREPARATION OF A TANNIN-BASED THERMOSETTING FOAM, METHOD FOR OBTAINING SUCH A FORMULATION AND FOAM OBTAINED FROM SUCH A FORMULATION
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机译:用于制备基于单宁的热定型泡沫的液体配方,获得该配方的方法以及从该配方获得的泡沫
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摘要
The invention relates to a liquid formulation for the preparation of a tannin-based thermosetting foam, which contains a mixture of at least one hydrolysable tannin and at least one condensed tannin, lignin, water, a hardener and a surfactant agent. The total quantity of tannins in the formulation is between 8 and 60% by weight, and the quantity of lignin is between 4 and 30% by weight, with respect to the total weight of the formulation. Said formulation makes it possible to prepare a foam, by curing, with advantageous mechanical properties.
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