This data set contains the simulation input files, scripts, and figures data belonging to the publication Alberto Scacchi, Kourosh Hasheminejad, Sousa Javan Nikkhah, and Maria Sammalkorpi. Controlling self-assembling co-polymer coatings of hydrophilic polysaccharide substrates via co-polymer block length ratio, Journal of Colloids and Interfaces (2023). DOI: https://doi.org/10.1016/j.jcis.2023.02.117 Please cite the above publication when using this data set! This work was supported by Business Finland Co-Innovation grant No. 3767/31/2019 (M.S.) and the Academy of Finland through its Centres of Excellence Programme (2022-2029, LIBER) under project no. 346111 (M.S.). We are grateful for the support by FinnCERES Materials Bioeconomy Ecosystem. The authors acknowledge discussions with Anneli Lepo, Kemira Oyj, Finland. Computational resources by CSC IT Centre for Finland and RAMI – RawMatters Finland Infrastructure are also gratefully acknowledged.