Epoxy resin curing agent
An epoxy resin curing and nano titanium dioxide technology, which is applied in the field of epoxy resin curing agent, can solve the problems of inapplicability for fast operation, inability to meet fast adhesion, slow curing reaction speed, etc., and achieves enhanced toughness, small shrinkage deformation, and reaction fast effect
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Embodiment 1
[0010] An epoxy resin curing agent, the composition of the epoxy resin curing agent is: by weight: acid anhydride: 40%, boron trifluoride 45%, toughening agent 10%, diluent 5%.
[0011] The toughening agent is carboxyl liquid nitrile rubber, carboxyl-terminated liquid nitrile rubber, polysulfide rubber, liquid silicone rubber, polyether, polysulfone, polyimide, nano calcium carbonate or nano titanium dioxide.
[0012] The diluent is polypropylene glycol diglycidyl ether, phenyl glycidyl ether or ethylene glycol diglycidyl ether.
Embodiment 2
[0014] An epoxy resin curing agent, the components of the epoxy resin curing agent are: by weight: acid anhydride: 45%, boron trifluoride 40%, toughening agent 5%, diluent 10%.
[0015] The toughening agent is carboxyl liquid nitrile rubber, carboxyl-terminated liquid nitrile rubber, polysulfide rubber, liquid silicone rubber, polyether, polysulfone, polyimide, nano calcium carbonate or nano titanium dioxide.
[0016] The diluent is polypropylene glycol diglycidyl ether, phenyl glycidyl ether or ethylene glycol diglycidyl ether.
Embodiment 3
[0018] An epoxy resin curing agent, the composition of the epoxy resin curing agent is weight percentage: acid anhydride: 50%, boron trifluoride 40%, toughening agent 5%, diluent 5%.
[0019] The toughening agent is carboxyl liquid nitrile rubber, carboxyl-terminated liquid nitrile rubber, polysulfide rubber, liquid silicone rubber, polyether, polysulfone, polyimide, nano calcium carbonate or nano titanium dioxide.
[0020] The diluent is polypropylene glycol diglycidyl ether, phenyl glycidyl ether or ethylene glycol diglycidyl ether.
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