A multifunctional amine compound, its preparation method and application

CN119191994BActive Publication Date: 2026-07-10WANHUA CHEM GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WANHUA CHEM GRP CO LTD
Filing Date
2024-09-19
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Polyurethane flexible foam is prone to deformation in high temperature and high humidity environments, polyurethane urea coatings have poor water resistance, and catalytic cracking gasoline has insufficient stability, making it difficult to meet the new quality standards.

Method used

Multifunctional amine compounds are used as crosslinking agents in polyurethane foam systems to improve indentation hardness and resistance to damp heat; as crosslinking agents in polyurethane urea coatings to improve high-temperature water resistance; and as antioxidants in gasoline to increase the induction period and storage stability of gasoline products.

Benefits of technology

It improves the durability and hardness of polyurethane foam, enhances the water resistance of polyurethane urea coatings, and improves the storage stability of gasoline.

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Abstract

The application provides a multifunctional amine compound, a preparation method and application thereof. The compound is 4-[(4-sec-butylaminophenyl)methyl]-N-[4-[(4-sec-butylaminophenyl)methyl]phenyl] aniline, and the structure is The multifunctional secondary amine compound of the application can be used as a crosslinking agent of a polyurethane foam system, has the characteristics of improving the indentation hardness, moisture heat aging resistance and durability of the foam; can be used as a crosslinking agent of a polyurethane urea coating system, has the characteristic of improving the high temperature water resistance; and can be used as a gasoline antioxidant, has the characteristics of increasing the induction period of oil products and improving the storage stability.
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