from pulp production residues. However, directly obtained tree resins (Figure 2) or terpene resins (Figure 3), which various citrus fruits, are also an option [...] packaging processes or textile lamination, offer biobased proportions of more than 50 % and at the same time enable maintenance-optimized and energy-saving bonding
https://www.jowat.com/es-US/detalle-de-la-sala-de-redaccion/green-bonding-processes/