Cross Link - Definition - Law Dictionary Home Dictionary Definition cross-link

Definition :

a covalent bond that links two chains of atoms or two sections of one chain in a polymeric molecule the cross link is created by a third bond in a monomer unit in addition to the two bonds forming the polymeric chain a cross link may be internal to a single chain rather than between two otherwise unlinked chains as ultraviolet irradiation creates cross links between the two chains of a DNA double helix many enzymes have cross links formed by disulfide bonds polystyrene resins have their porosity controlled by the proportion of cross links Called also cross linkage