发明名称 |
PULVERLACK UND DESSEN VERWENDUNG ZUR INNENBESCHICHTUNG VON VERPACKUNGSBEHAELTERN UND ZUR SCHWEISSNAHTABDECKUNG |
摘要 |
The object of the invention is a powdered varnish which: 1) contains at least one polyester with an acid number of 25 to 120 mgKOH/g and an OH number > 10 mgKOH/g and at least one epoxy resin with an epoxy equivalent weight of 400 to 3000; 2) for covering weld seams has such a grain size distribution that at least 90 % mass of the powdered varnish particles have a particle size between 1 and 100 mu m, the maximum particle size of the powdered varnish particles is </= 150 mu m, the average size of the powdered varnish particles lies between >20 and 60 mu m and the gradient of the grain distribution curve at the knee is >50, or 3) for the internal coating of packaging containers has such a grain sized distribution that at least 90 % mass of the powdered varnish particles have a particle size of between 1 and 60 mu m, the maximum size of the powdered varnish particles is </= 100 mu m, the average size of the powdered varnish particles lies between 5 and 20 mu m and the gradient of the grain distribution curve at the knee is > 100.
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申请公布号 |
DE4038681(A1) |
申请公布日期 |
1992.06.11 |
申请号 |
DE19904038681 |
申请日期 |
1990.12.05 |
申请人 |
BASF LACKE + FARBEN AG, 4400 MUENSTER, DE |
发明人 |
JANDEL, LOTHAR, DR.;KRAUSE, SIEGFRIED, DR.;RADEMACHER, JOSEF, DR., 4400 MUENSTER, DE |
分类号 |
C09D;C09D5/03;C09D163/00;C09D167/00 |
主分类号 |
C09D |
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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