C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08K 3/38 (2006.01) C08K 5/13 (2006.01) C08K 7/18 (2006.01) C08L 29/04 (2006.01) C08L 33/24 (2006.01) C11D 17/04 (2006.01) C12N 11/04 (2006.01) C12N 11/10 (2006.01)
Patent
CA 2609757
Water-soluble films useful for packaging and encapsulating various products are provided. The packaged and encapsulated products are released when the film dissolves in water. The films incorporate copolymers of vinyl alcohol units and sulfonic acid units at molecular weights and monomer incorporation levels providing improved water solubility characteristics in the presence of certain compounds, especially borate containing compounds. The films are particularly useful for packaging detergent products and encapsulating detergent component such as enzymes.
L'invention concerne des films hydrosolubles utiles pour emballer et encapsuler divers produits. Les produits emballés et encapsulés sont libérés lorsque le film se dissout dans l'eau. Les films incorporent des copolymères d'unités d'alcool vinylique et d'unités d'acide sulfonique à des poids moléculaires et des niveaux d'incorporation de monomères assurant une amélioration des caractéristiques d'hydrosolubilité en présence de certains composés, en particulier des composés contenant du borate. Les films sont particulièrement utiles pour emballer des produits détergents et encapsuler un composant détergent tels que des enzymes.
Celanese International Corporation
Sekisui Specialty Chemicals America Llc
Smart & Biggar
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