C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/10 (2006.01) A61L 15/32 (2006.01) A61L 15/60 (2006.01)
Patent
CA 2107216
Substantially water-insoluble, crosslinked polypeptides containing 15 to 85 mole % of amino acid residues such as glutamic acid, aspartic acid, phosphoserine, phosphohomoserine, phosphotyrosine, phosphotheonine, phosphoasparagine, or phosphoglutamine and 15 to 85 mole % of amino: acid residues such: as lysine, arginine, asparagine, glutamine serine or tyrosine, in which the degree of crosslinking is sufficient to result in a substantially water-insoluble polypeptide with the ability to absorb a I % aqueous NaCI solution in an amount of at least 20 times the weight of the polypeptide, are useful as superabsorbents in devices such as diapers, etc.
Polypeptides réticulés, pratiquement insolubles dans l'eau, renfermant de 15 à 85 % de moles de résidus d'amino-acides, comme l'acide glutamique, l'acide aspartique, la phosphosérine, la phosphohomosérine, la phosphotyrosine, la phosphothéonine, la phosphoasparagine ou la phosphoglutamine, et de 15 à 85 % en moles de résidus d'amino-acides, comme la lysine, l'arginine, l'asparagine, la glutamine sérine ou la tyrosine; le degré de réticulation est suffisant pour former un polypeptide pratiquement insoluble dans l'eau, avec la capacité d'absorber une solution aqueuse de NaCl 1 % à raison d'au moins 20 fois le poids de polypeptide; ils sont utiles comme superabsorbants dans des articles, comme les couches, etc.
Donachy Julie
Sikes C. Steven
Swabey Ogilvy Renault
University Of South Alabama
LandOfFree
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