| http://www.w3.org/ns/prov#value | - The prepolymers formed by the process according to the present invention may be applied to any suitable substrate such as paper, cardboard and other cellulosic materials such as wood, particle board and the like; metals such as copper, aluminium, tin plate and mild steel; concrete products such as building blocks, pipes and concrete buildings; synthetic plastics such as polypropylene; natural poly
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