摘要:
Melamine-formaldehyde foams comprise from 80% to 98% by weight of an inorganic filling material, wherein the % by weight are based on the total weight of inorganic filling material plus melamine-formaldehyde precondensate used for foam production.
摘要:
Foams and moldings comprising foamed support materials selected from the group consisting of polyurethane resins, polyester resins, epoxides and also fiber nonwovens, woven materials and open-cell, two- and three-dimensional networks composed of mineral, animal, vegetable and chemical (natural/synthetic) fibers or mixtures thereof comprising melamine/formaldehyde resins as foamable reactive resin.