Granular material comprising a carboxymethylcellulose binder

By using carboxymethyl cellulose as a binder and combining it with a wet granulation method, the stability and disintegration problems of granular materials during storage and transportation were solved. This enabled rapid disintegration and release of active ingredients upon contact with moisture, overcoming the shortcomings of traditional binders and reducing costs and performance instability.

CN122422280APending Publication Date: 2026-07-17OMYA INT AG

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
OMYA INT AG
Filing Date
2024-12-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing granular materials are not stable enough during storage and transportation, and are difficult to disintegrate quickly when exposed to moisture in agricultural applications. Traditional binders such as sodium lignosulfonate have high costs, color and odor problems, while alternative binders such as molasses, starch and clay have problems with unstable performance or difficulty in procurement.

Method used

Carboxymethyl cellulose is used as a binder, and granular materials are prepared by wet granulation. By controlling the viscosity and amount of the binder, the structural integrity is maintained during storage and the material disintegrates rapidly upon contact with moisture, thus avoiding the disadvantages of traditional binders.

Benefits of technology

It achieves stability of granular materials during storage and transportation, while rapidly disintegrating upon application to ensure timely release of active ingredients, and avoids color and odor issues, reducing binder usage and costs.

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Abstract

本发明涉及包含至少一种颗粒材料和羧甲基纤维素粘结剂的粒状材料、用于制备其的湿法造粒方法、该粒状材料的用途以及羧甲基纤维素粘结剂用于对颗粒材料造粒的用途。该粒状材料的粒料具有足够高的硬度以在储存和运输期间保持稳定,同时它们在施用和暴露于水分时快速崩解,这通过使用0.1‑3重量%的羧甲基纤维素钠粘结剂来实现,该粘结剂在4重量%溶液中的粘度为40‑2,000mPa·s和 / 或在2重量%溶液中的粘度为10‑500mPa·s。所得到的粒状材料可用在农业中或草场上(例如用于输送营养物或活性剂)以及作为动物饲料。
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