COMPOSITION USED FOR PRODUCING FOAM MATERIALS BASED ON TANINS, FOAM MATERIAL OBTAINED FROM SUCH COMPOSITION AND METHOD FOR PRODUCING THIS FOAM MATERIAL

摘要

1. A composition for the manufacture of a foam containing tannins of the flavonoid type, mainly the type of propobindinidinidine and / or profiztinidin, in an amount of from 40 to 45 wt.% Of the composition, furfuryl alcohol, a blowing agent and a catalyst, characterized in that it contains furfuryl alcohol in an amount of more than 20 wt% of the composition and does not contain formaldehyde. 2. A composition according to claim 1, characterized in that the blowing agent has a boiling point of from 30 ° C to 100 ° C, preferably from 40 ° C to 60 ° C. 3. A composition according to claim 2, characterized in that the blowing agent contains ethyl ether, pentane and / or a mixture of pentane isomers. A composition according to claim 3, characterized in that the blowing agent is diethyl ether. The composition according to any one of paragraphs. 1-4, characterized in that the catalyst is a catalyst based on an organic or inorganic acid. A composition according to claim 5, characterized in that the catalyst is p-toluenesulfonic acid. A composition according to claim 5, characterized in that the catalyst is trichloroacetic acid. The composition according to claim 1, characterized in that the content of the blowing agent is more than 5 wt.% And the content of the catalyst is less than 16 wt.% Of the composition. The composition according to claim 1, characterized in that it further comprises water in an amount of from 0% to 15 wt.% Of the composition. A composition according to claim 8 or 9, characterized in that it further comprises an isocyanate, such as polymeric diphenylmethanediisocyanate. 11. Organic tannin-based foam, characterized in that it is obtained from the composition according to any one of paragraphs. 1-10.12. A method of manufacturing an organic foam used as