Bio-based flame-retardant furan epoxy resin and preparation method thereof

A technology of furan epoxy resin and deoxyfuran epoxy resin, which is applied in the field of bio-based flame-retardant furan epoxy resin and its preparation, can solve the problems of easy generation of toxic gas and relatively few studies on flame retardancy, and achieve the goal of realizing Efficient utilization, strong substitutability, and high biological safety

Active Publication Date: 2019-09-17
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resulting phosphorus-bromine composite flame-retardant epoxy resin has a good flame-retardant effect, but the disadvantage is that it is easy to produce toxic gases at high temper

Method used

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  • Bio-based flame-retardant furan epoxy resin and preparation method thereof
  • Bio-based flame-retardant furan epoxy resin and preparation method thereof
  • Bio-based flame-retardant furan epoxy resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0053] Example 1

[0054] Weigh furan epoxy resin BOF (2.4g, 10mmol) in the reaction flask, and then add nitrogen to it. After removing the oxygen component, add 4,4'-diaminodiphenylsulfone (44DDS, 1.2g, 5mmol) under a nitrogen atmosphere. ) Further remove the air, mix thoroughly, and heat up to 140°C to melt and mix the two evenly. Pour the material uniformly into a stainless steel mold plate, move the mold plate into a nitrogen curing box at 185°C, cure for 3 hours, and then cool naturally under a nitrogen atmosphere to obtain a yellow transparent epoxy resin polymer (crosslinking density of 2.38mol / dm 3 ). The maximum heat release rate of the micro combustion calorimetry (MCC) experiment result is 175W / g( Figure 8 ). The characteristic infrared absorption peak of the prepared bio-based flame-retardant furan epoxy resin: 681cm -1 (δ, C-H, Ar), 786cm -1 (δ, C-H, Ar), 1095cm -1 (vs, C-O-C, ether), 1200cm -1 (vs, C-O-C, furan), 1282cm -1 (v as , C-O-C, ether), 1354cm -1 (v ...

Example Embodiment

[0055] Example 2

[0056] Weigh the furan epoxy resin OmbFdE (3.5g, 10mmol) in the reaction flask, and add nitrogen to it. After removing the oxygen component, add 4,4'-diaminodiphenyl sulfone (44DDS, 1.2g, 5mmol) under a nitrogen atmosphere. ) To further remove the air, mix thoroughly, and heat up to 130°C to melt the two and mix them evenly. Pour the material uniformly into a stainless steel mold plate, move the mold plate into a nitrogen curing box at 175°C, cure for 4 hours, and then cool naturally in a nitrogen atmosphere to obtain a yellow opaque epoxy resin polymer (crosslinking density of 2.16mol / dm 3 ). The maximum heat release rate of Micro Combustion Calorimetry (MCC) is 223W / g.

Example Embodiment

[0057] Example 3

[0058] Weigh the furan epoxy resin BOF (2.4g, 10mmol) in the reaction flask, and pour nitrogen into it. After removing the oxygen component, add 3,3'-diaminodiphenylsulfone (33DDS, 1.2g, 5mmol) under a nitrogen atmosphere. ) To further remove the air, mix thoroughly, and heat up to 130°C to melt the two and mix them evenly. Pour the material uniformly into a stainless steel mold plate, move the mold plate into a nitrogen curing box at 170°C, cure for 3 hours, and then cool down naturally in a nitrogen atmosphere to obtain a yellow transparent epoxy resin polymer (crosslinking density of 3.62mol / dm 3 ). The maximum heat release rate of the micro combustion calorimetry (MCC) experiment result is 112W / g( Figure 8 ). The characteristic infrared absorption peak of the prepared bio-based flame-retardant furan epoxy resin: 690cm -1 (δ, C-H, Ar), 786cm -1 (δ, C-H, Ar), 1070cm -1 (vs, C-O-C, ether), 1208cm -1 (vs, C-O-C, furan), 1290cm -1 (vas, C-O-C, ether), 1363cm...

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Abstract

The invention discloses flame-retardant furan epoxy resin and a preparation method thereof, and belongs to the technical field of polymer compounds. The flame-retardant furan epoxy resin is prepared from furan epoxy resin monomers which are prepared through derivation of hydroxymethylfurfural. The preparation method comprises the specific steps: performing melting and uniform mixing on the furan epoxy resin monomers of different structures and curing agents of different types, and then performing injection molding, heating and solidification so as to obtain the flame-retardant furan epoxy resin with superior performance. A bulk solidification method is adopted directly, the operation flow is simple, the curing time is short, and the obtained bio-based epoxy resin polymer material has excellent performance.

Description

technical field [0001] The invention belongs to the technical field of polymer compounds, and in particular relates to a bio-based flame-retardant furan epoxy resin and a preparation method thereof. Background technique [0002] Epoxy resin polymers are usually cross-linked and polymerized by epoxy resin monomer materials and curing agents, and are widely used in coatings, adhesives, and electronic and electrical industries, multi-component composite materials, and engineering technology research fields. On the whole, due to the high brittleness and flammability of epoxy resin polymers, its application in special industries is largely limited. Traditional flame retardant materials mainly solve the above flame retardant problems by adding specific auxiliary flame retardants. Commonly used flame retardants mainly include halogen-based flame retardants and phosphorus-containing flame retardants. Halogen-based flame retardant materials have reduced UV stability, and are prone t...

Claims

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Application Information

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IPC IPC(8): C08G59/26C08G59/50
CPCC08G59/26C08G59/504
Inventor 郭凯孟晶晶曾禹舜方正欧阳平凯
Owner NANJING UNIV OF TECH
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