Composition for hydrogel, hydrogel and use thereof

   
   

A composition for hydrogels which comprises (A1) a copolymer which comprises 25 to 97 mol % of unit (a) derived from a compound represented by formula (1) and 3 to 75 mol % of unit (b) derived from a monomer represented by formula (2) and is soluble in aqueous media and (B) a polymer which has hydrophilic groups such as hydroxyl or carboxyl groups and is soluble in aqueous media; and a hydrogel comprising the composition. (X represents a divalent organic residue; Y represents alkyleneoxy, etc.; Z, R.sup.1, R.sup.2, R.sup.3, R.sup.4, and L.sup.2 each represents hydrogen, etc.; and L.sup.1 represents --C.sub.6 H.sub.4 --, etc.) ##STR1##

Una composición para los hydrogels que abarca (A1) un copolímero que abarque 25 a 97 mol de % de la unidad (a) derivados de un compuesto representado por el fórmula (1) y 3 a 75 mol de % de la unidad (b) derivó de un monomer representado por el fórmula (2) y es soluble en medios acuosos y (b) un polímero que tiene grupos hidrofílicos tales como oxhidrilo o grupos carboxyl y es soluble en medios acuosos; y un hydrogel que abarca la composición. (X representa un residuo orgánico bivalente; Y representa alkyleneoxy, el etc.; Z, R.sup.1, R.sup.2, R.sup.3, R.sup.4, y L.sup.2 cada uno representa el hidrógeno, el etc.; y L.sup.1 representa -- C.sub.6 H.sub.4 --. etc.) ## del ## STR1

 
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