TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: Polymer foams incorporating fibrous ingredients are disclosed.

SOLUTION: Se describen espumas poliméricas que incorporan ingredientes fibrosos.

PROBLEM: The block copolymers are modified with a salt forming group.

SOLUTION: Los copolimeros de bloques son modificados con un grupo formador de sal.

PROBLEM: Heating system for liquids for industrial and/or domestic use.

SOLUTION:
SISTEMA DE CALENTAMIENTO DE LIQUIDOS PARA USO INDUSTRIAL Y/O DOMESTICO.