Epoxy resin and preparation method thereof, curing agent and preparation method thereof, cured epoxy resin and preparation method thereof
A technology of epoxy resin and curing agent, which is applied in the fields of epoxy resin and its preparation, cured epoxy resin and its preparation, can solve the problems that cycloaliphatic epoxy resin is difficult to apply, and achieve good strength and toughness, Good toughness, good insulation effect
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[0034] The preparation method of the epoxy resin provided by the present invention comprises mixing the primary mixed raw materials, the second mixed raw materials and the third mixed raw materials, in parts by weight, the primary mixed raw materials include 350-420 parts of glycidyl hexahydrophthalate and poly 390-400 parts of propylene glycol diglycidyl ether, 5-15 parts of silane coupling agent as the second-mix raw material, 250-300 parts of quartz powder and 160-180 parts of the first flame retardant.
[0035] Optionally, the silane coupling agent includes γ-glycidyltrimethoxysilane. Optionally, the first flame retardant includes aluminum hydroxide.
[0036] Specifically, the following processes are included:
[0037] S1. Put the initial mixed raw materials in a stirring device and mix them at a speed of 50-200r / min for 10-30min and mix them evenly to obtain a resin initial mixture.
[0038]Specifically, glycidyl hexahydrophthalate and polypropylene glycol diglycidyl et...
Embodiment 1
[0068] This embodiment provides an epoxy resin and a preparation method thereof, a curing agent for curing the above epoxy resin and a preparation method thereof, and a cured epoxy resin and a preparation method thereof.
[0069] The preparation method of the epoxy resin provided by the present embodiment comprises:
[0070] Put 400 g of glycidyl hexahydrophthalate and 400 g of polypropylene glycol diglycidyl ether in a planetary stirring device, stir at a low speed of 200 r / min for 10 min, mix and disperse evenly, and obtain a resin primary mixture.
[0071] γ-epoxypropyltrimethoxysilane 10g, hydroxyl-terminated polydimethylsiloxane 40g, nitrile rubber core-shell particles 120g, octamethylcyclotetrasiloxane 12g, cyclopolydimethylsiloxane Add 40 g of alkane, 48 g of linear polydimethylsiloxane, and 4 g of non-ionic polymeric fluorine-containing surfactant into the resin primary mixture, and stir and disperse at a high speed in a planetary stirring device at a speed of 1500 r / m...
Embodiment 2
[0081] This embodiment provides an epoxy resin and a preparation method thereof, a curing agent for curing the above epoxy resin and a preparation method thereof, and a cured epoxy resin and a preparation method thereof.
[0082] The preparation method of the epoxy resin provided by the present embodiment comprises:
[0083] Put 350 g of glycidyl hexahydrophthalate and 390 g of polypropylene glycol diglycidyl ether in a planetary stirring device, stir at a low speed of 50 r / min for 30 min, mix and disperse evenly, and obtain a resin primary mixture.
[0084] 5g of γ-epoxypropyltrimethoxysilane, 45g of hydroxyl-terminated polydimethylsiloxane, 80g of nitrile rubber core-shell particles, 5g of octamethylcyclotetrasiloxane, and cyclopolydimethylsiloxane Add 20 g of alkane, 80 g of linear polydimethylsiloxane, and 15 g of non-ionic polymeric fluorine-containing surfactant into the resin primary mixture, and stir and disperse at a high speed in a planetary stirring device at a spee...
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Abstract
Description
Claims
Application Information
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