The present invention relates to a particulate absorbent polymer material having at least one of the following properties: i) a maximum APCi × 10 sec value 1.6) for at least one number i selected from the group of integers from 2 to 12 (= APCmax)； ii) a value 12 for the sum total of all APCi × 10 sec values for all numbers i from the group of integers from 2 to 12 (= APCsum)； wherein the APCi × 10 sec value is defined as follows: APCi × 10 sec = QIi × 10 sec value2 × PIi × 10 sec value where - the QIi × 10 sec value is the value of the swell index determined as per the herein described test method i × 10 seconds after adding the 0.9% by weight NaCl solution, and - the PIi × 10 sec value is the value of the permeability index determined as per the herein described test method i × 10 seconds after adding the 0.9% by weight NaCl solution. The present invention also relates to an absorbent core containing such a particulate absorbent polymer material, a hygiene article, a process for producing an absorbent core and also an absorbent core obtainable by this process.本發明係關於一種微粒吸收聚合物材料，其具有以下性質之至少一者：i)對於至少一選自整數2至12之數字i，最大APCi×10 sec值(=APCmax值)係1.6；ii)對於選自整數2至12之所有數字i，所有APCi×10 sec值的總和(=APCsum值)係12；其中該APCi×10 sec值之定義如下：APCi×10 sec=QIi×10 sec值2×PIi×10 sec值其中- 該QIi×10 sec值係以此處所述之測試方法於加入0.9重量%之氯化鈉溶液後i×10秒所測得之膨脹指數的值，以及- 該PIi×10 sec值係以此處所述之測試方法於加入0.9重量%之氯化鈉溶液後i×10秒所測得之滲透性指數的值。本發明亦關於一種包含該微粒吸收聚合物材料之吸收芯材、一種衛生用品、一種製造吸收芯材之方法以及一種由該方法所獲得之吸收芯材。
