1、Easily modified polyamine resin: Its synthesis and adsorption

A highly efficient polyamine-modified resin (marked as Merrifield resins-TEPA-Et) was synthesized by simply modified Merrifield resins with TEPA and bromoethane, and was first used for rhenium recovery from sulfate media.

2、Epoxy Additives and Polyamides

Complex modified amines and polyamides capable of emulsifying and curing liquid epoxy resins at ambient temperature. Also used with solid resins including a high molecular weight waterborne dispersion included in this product guide. Used in aqueous and low-VOC coatings upon both concrete and steel.

3、Synthesis of innovative epoxy resin and polyamine hardener

We present an innovative breakthrough encompassing synthesis, characterization, and age monitoring of epoxy resin and polyamine hardener microcapsules to form a dual-component system for self-healing anticorrosion coatings.

SANHO CHEMICAL CO., LTD.─ Biobased Polymer

Non-Reactive Polyamide Resin (Polyamide for Ink Vehicle,Polyamide For Hot-Melt),Hardener For Epoxy Resin (Reactive Polyamide Resin,Modified Polyamine and its adduct,Solution Type Polyamide Resin),Special Hardener For Epoxy Resin (Waterborne Curing Agent)

Modified Epoxy Polyamine Resins

Modified epoxy polyamine resins are a class of highly cross-linked polymers prepared using epoxy resins as the matrix, with specific modifiers and curing agents added.

Polyethyleneimine modified ammonium polyphosphate toward polyamine

To expand the application of ammonium polyphosphate (APP) in epoxy resin (EP), hyperbranched polyethyleneimines (PEI) were selected to modify it via cation exchange reaction.

Photochromic functionalization of polyetheramine

In this work, a SP derivative (YBSP), which contains a meta-dinitrobenzene structure, was synthesized and doped into polyetheramine-cured epoxy resin materials.

ANCAMINE® 2752

Ancamine® 2752 is a modified polyamine designed for use as an ambient curing agent in two-component liquid epoxy systems. It is especially suitable for use in concrete primers for industrial flooring applications.

Polysilazane

POLYAMINE HARDENERS MODIFIED WITH POLYSILAZANE FOR EPOXY RESINS. A reaction product of an organic polyamine and a polysilazane, characterized in that it comprises at least one newly formed silicon-nitrogen bond.

Amine Curing Agents

At Epoxy Chemicals, Inc., we are committed to pushing the boundaries of innovation in the field of curing agents for epoxy formulated products. Our team of experts specializes in researching and developing unique solutions to meet the needs of the construction, flooring, and composite industries.

Epoxy Resin-Modified Polyamine Solutions

Epoxy resin, known for its excellent physicochemical properties, has been widely applied in many fields. Polyamine, due to its unique molecular structure, can form a stable crosslinked network with epoxy resin, endowing materials with superior mechanical strength, wear resistance, and chemical resistance. combining epoxy resin with modified polyamine solutions can produce novel composite materials with exceptional performance, meeting the demands of modern industries for high-performance materials.

1. Preparation of Epoxy Resin-Modified Polyamine Solutions

1. Raw Material Selection

The primary task in preparing modified polyamine solutions is selecting appropriate raw materials. Commonly used epoxy resins include bisphenol A type and phenolic epoxy type, while modified polyamines often involve polyamines, polyamides, and other compounds. The properties of these raw materials directly affect the final product’s performance. For example, the choice of polyamine influences the curing speed and mechanical properties of the resin, whereas the selection of polyamide affects its heat resistance and chemical stability.

2. Mixing Ratio

The ratio of epoxy resin to modified polyamine must be adjusted according to practical needs. Generally, increasing the content of modified polyamine enhances the resin’s mechanical strength and chemical resistance but may reduce its toughness and flexibility. Thus, the optimal mixing ratio must be determined experimentally.

3. Reaction Conditions

Controlling reaction temperature, time, and other factors is critical. Excessive or insufficient reaction temperatures can degrade resin performance, while prolonged reaction times may lead to over-crosslinking, compromising applicability. Suitable reaction conditions must therefore be explored through experimentation.

2. Performance of Epoxy Resin-Modified Polyamine Solutions

1. Mechanical Properties

These solutions exhibit excellent mechanical properties, such as high strength, hardness, and toughness, making them highly promising for manufacturing advanced materials.

2. Heat Resistance

Modified polyamine solutions typically offer high heat resistance, maintaining stability at elevated temperatures. This enables their use in aerospace, automotive, and other high-temperature environments.

3. Chemical Resistance

The solutions also demonstrate strong resistance to chemicals, withstanding corrosion from various substances. This characteristic underscores their value in industries like chemical engineering and petroleum.

3. Application Fields

Due to their outstanding properties, epoxy resin-modified polyamine solutions are widely employed across diverse sectors. In aerospace, they are used for aircraft shells and engine components; in automotive applications, they serve in brake and transmission systems; in electronics, they are utilized for circuit boards and connectors. Additionally, they are integral to manufacturing high-performance composites, such as carbon fiber-reinforced plastics (CFRP) and glass fiber-reinforced plastics (GFRP).

Epoxy resin-modified polyamine solutions represent a new class of materials with vast application potential. By optimizing raw material selection, mixing ratios, and reaction conditions, solutions with exceptional mechanical, thermal, and chemical properties can be developed. Their remarkable performance and versatility highlight significant opportunities across industries. Further research into their preparation methods and characteristics is crucial for advancing high-performance materials.