Zinc-containing calcium-aluminium double salts

US8168078B2 · kind B2 · utility

Assignee

• NABALTEC AG · DE

Inventors

• Reiner Sauerwein · Fulda, DE
• Alfred Reimer · Bergneustadt, DE
• Ludwig Edenharter · Burglengenfeld, DE
• Manfred Sorgalla · Schwandorf, DE
• Wolfgang Wehner · Ober-Ramstadt, DE

Key dates

• Filing date: May 21, 2009
• Grant date: May 1, 2012
• Expiry date: May 21, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L21/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Neutral calcium-aluminum double salts of the formula (A):Ca2m(Zn2n)Al2(OH)6+2(2m+2n−1)An*oH2O  (A),where the following apply for m and n:m=0.5 to 3 and 0.5m≧n>0; An=CO3, where this may be replaced completely or partially by at least one of the following groups selected from OH, ClO4 and H3CS(═O)2O (triflate) and o=0 to 3. The present invention further relates to their preparation, use in compositions and stabilizer systems and uses thereof.