发明名称 |
AQUEOUS SHELLAC SOLUTION OR DISPERSION |
摘要 |
The invention relates to an aqueous solution or dispersion with high shellac content. The aqueous shellac solution or dispersion is characterized in that it has a pH value of 2 to 4.2, and contains: 1 to 60 %wt. shellac; 0.1 to 3 %wt. of at least one water-soluble film former; 0.1 to 1 %wt of at least one acid-resistant gel former; and water bringing the total to 100 %wt. In accordance with the invention, the solution is produced by the following method: particle-shaped shellac is added to an aqueous solution and homogenized by stirring at 10 to 1500 rev/min, at a temperature of 5 to 20 ~C. Said aqueous solution has a pH value of 2 to 4.2 and contains at least one water-soluble film former and at least one acid-resistant gel former. The shellac solution or dispersion can be used in the paint and varnish industry, the food industry and in cosmetics.
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申请公布号 |
CA2295165(A1) |
申请公布日期 |
1999.02.11 |
申请号 |
CA19982295165 |
申请日期 |
1998.07.21 |
申请人 |
LANCASTER GROUP GMBH |
发明人 |
GOLZ-BERNER, KARIN;ZASTROW, LEONHARD |
分类号 |
A23G1/30;A23G1/00;A61K8/04;A61K8/73;A61K8/96;A61K8/98;C08J3/05;C08L93/02;(IPC1-7):C08L93/02 |
主分类号 |
A23G1/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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