C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 9/04 (2006.01) C08G 12/42 (2006.01) C08K 9/08 (2006.01)
Patent
CA 2417624
Surface-modified fillers are described characterized by the fact that the fillers represent reactive inorganic fillers and the modifying agent represents an amphiphilic aminoplastic- ether polymer or copolymer of the structural type Image in which: Z denotes the same or different aminoplastic central units based on melamine-formaldehyde or urea-formaldehyde derivatives; n = 10 to 500; R denotes the group - (O-CH2-CH2]m O-S in which m = 5 to 500 and S represents a substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group.
L'invention concerne des matières de charge à surface modifiée, caractérisées par le fait que ce sont des matières de charge inorganiques réactives et que l'agent de modification est un polymère ou un copolymère d'éther aminoplaste amphiphile de structure (I), dans laquelle Z signifie des unités centrales aminoplastes, identiques ou différentes, à base de dérivés de formaldéhyde-mélamine ou de formaldéhyde-urée; n= 10 à 500; R représente le groupe [O-CH2-CH2]mO-S, où m= 5 à 500 et S signifie un groupe aralkyle, alkaryle, aryle ou alkyle, substitué ou non substitué.
Coutelle Helmut
Dick Stefan
Dziwok Klaus
Kramer Inge
Schall Norbert
Fetherstonhaugh & Co.
Sued-Chemie Ag
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