100851 ⎘
Characterised by the use of condensation polymers of aldehydes or ketones ; Derivatives of such polymers Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
FOAM MOLDING COMPOSITION, FOAM MOLDED BODY, ELECTRIC WIRE, METHOD FOR PRODUCING FOAM MOLDED BODY AND METHOD FOR PRODUCING ELECTRIC WIRE