Well.. Who is coping who.. ? First of all, not sure what your trying to infer with your link to Alibaba.. That link takes me to a vendor selling non disposable cloth diapers called Mothers choice ? How is this related?
Second.. Google search the statement " “gel blocks”, the phenomenon that describes the impossibility of moving liquids once a SAP particle gets saturated." You will find it is used in many different places. It seems to be a generic description of what and how a Surface Cross Linker works in SAP ( Super Absorbent Particles) here is one example. Disposable Products Manufacturing Handbook