▎ 摘　　要

NOVELTY - Continuous fiber reinforced polyhexahydrotriazine three-dimensional (3D) printing thermal conductive composite material is claimed. The continuous fiber-reinforced polyhexahydrotriazine resin is 3D printing thermal conductive composite material through 3D printing technology, and continuous fiber-reinforced polyhexahydrotriazine resin 3D printing thermal composite materials are printed, the tensile strength of the thermally conductive composite material is ≥ 1200 MPa, and the thermal conductivity in the direction parallel to the fibers in the plane is ≥ 80 W/(m.K), the 3D printing thermal conductive composite materials are composed of 25-75 vol.% thermal conductive continuous fiber filaments or tapes, 5-30 vol.% thermal conductive fillers and 20-70 vol.% intrinsic thermal conducting polyhexahydrotriazine resin matrix (I) and/or (II). USE - The continuous fiber reinforced polyhexahydrotriazine 3D printing thermal conductive composite material is useful in the technical field of 3D printing of composite materials. ADVANTAGE - The continuous fiber reinforced polyhexahydrotriazine 3D printing thermal conductive composite material has excellent thermal conductivity, mechanical properties, and chemical resistance; and the thermal conductive composite material is degraded and recycled under special conditions. DETAILED DESCRIPTION - Continuous fiber reinforced polyhexahydrotriazine three-dimensional (3D) printing thermal conductive composite material is claimed. The continuous fiber-reinforced polyhexahydrotriazine resin is 3D printing thermal conductive composite material through 3D printing technology, and continuous fiber-reinforced polyhexahydrotriazine resin 3D printing thermalcomposite materials are printed, the tensile strength of the thermally conductive composite material is ≥ 1200 MPa, and the thermal conductivity in the direction parallel to the fibers in the plane is ≥ 80 W/(m.K), the 3D printing thermal conductive composite materials are composed of 25-75 vol.% thermal conductive continuous fiber filaments or tapes, 5-30 vol.% thermal conductive fillers and 20-70 vol.% intrinsic thermal conducting polyhexahydrotriazine resin matrix of formula (I) and/or (II). R1-R3= e.g. 4-methyl-N-(4-methylphenyl)benzamide, 4-methyl-N-4-(4-methylphenoxy)phenylbenzamide, 1-N,4-N-bis(4-methylphenyl)benzene-1,4-dicarboxamide, N,2-bis(4-methylphenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxamide, 4-methylphenyl 4-methylbenzoate or 1,2,3-trimethyl-5-(3,4,5-trimethylphenyl)benzene; and R4 = e.g. 1,3,5-tris(4-methylphenyl)-5-phenylbenzene, 1,3,5-trimethyl-2,4,6-tris(4-methylphenyl)-6-phenylbenzene, 2,4,6-tris(4-methylphenyl)-6-phenylphenol, 1,3,5-tris(3,5-diethyl-4-methylphenyl)benzene or 2,4,6-tris(4-methylphenyl)pyridine.