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公开(公告)号：DE2644732A1
公开(公告)日：1978-04-06
申请号：DE2644732
申请日：1976-10-04
Applicant: BASF AG
Inventor： MAIER SIEGFRIED DIPL ING DR , ROTHER EBERHARD DIPL CHEM DR , POTTGIESSER HERMANN DIPL CHEM , RESCH HERMANN ING GRAD
Abstract: Dust-free and non-caking granular materials, especially broken granules from fertilisers and salts are prepared by applying coatings consisting of polymer mixtures. The granular materials have applied to them aqueous suspensions or solutions of a) urea-aldehyde condensation products and/or alkylol ureas and b) polyenes, the amount of solid applied being from 0.3 to 4.0% by weight, based on the amount of granular material.
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