A single-component formaldehyde-free setting agent for mineral wool and a method for determining its pot life.

By mixing formaldehyde-free binders with silane coupling agents and other additives, a highly stable single-component setting agent was prepared, solving the problems of formaldehyde pollution and discontinuous production in the mineral wool industry, and realizing the application of environmentally friendly and efficient setting agents.

CN116410674BActive Publication Date: 2026-06-30JIANGSU AKST NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202111636561.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-29
Publication Date
2026-06-30
Estimated Expiration
2041-12-29

AI Technical Summary

Technical Problem

Traditional setting agents used in the mineral wool industry contain formaldehyde, which leads to environmental and health problems. Furthermore, existing setting agents need to be prepared on-site, resulting in discontinuous production, high costs, and unstable quality.

Method used

A single-component sizing agent with long-term stability was prepared by mixing formaldehyde-free adhesive with compatible reactive silane coupling agents, water-repellent agents, and dust-proofing oils, and laboratory testing methods were provided to assess its service life.

Benefits of technology

This environmentally friendly single-component setting agent has a shelf life of over 6 months, solving the environmental problems of traditional setting agents, improving production continuity and quality stability, and reducing testing and switching costs.

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Abstract

This application provides a single-component formaldehyde-free styling agent specifically for mineral wool and a method for detecting its shelf life. The formaldehyde-free styling agent uses a formaldehyde-free binder as the matrix component, mixed with a compatible reactive silane coupling agent. Optionally, it also includes water-repellent agents and dust-proofing oils, etc., to produce a mineral wool product styling agent with long-term stability. This styling agent not only avoids the use of formaldehyde at the source, meeting environmental protection requirements, but also has a shelf life of more than 6 months, or even more than 12 months. This changes the traditional industry situation where styling agents need to be prepared on demand, providing a "ready-to-use" styling agent, realizing the mass production of single-component styling agents, thereby ensuring the quality stability of the styling agent. The detection method provided in this application can realize laboratory testing of the shelf life of mineral wool styling agents without the need for production line testing.
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