Nanometer graphene ultraviolet light-moisture curing composition and preparation method thereof
A nano-graphene and moisture curing technology, which is applied in the field of electronic component material engineering, can solve the problem that thermally conductive resins cannot meet the heat dissipation requirements of high-power electronic equipment, and achieve excellent heat dissipation, fast curing speed, and excellent thermal conductivity.
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[0040] The preparation method of described nano-graphene ultraviolet-moisture curing composition comprises the following steps:
[0041] (1) Accurately weigh various raw materials according to the formula ratio;
[0042] (2) Add acrylic resin, ethyl isocyanate acrylate, isocyanate silane, acrylic monomer, photoinitiator, nano-graphene, and additives into the reaction kettle in sequence, fill with nitrogen to protect and stir, and discharge after stirring evenly ;
[0043] (3) The obtained nano-graphene UV-moisture curing composition is stored in vacuum packaging.
Embodiment 1
[0046] Hyperbranched oligomer 48 parts
[0047] 16 parts ethyl isocyanate acrylate
[0048] Isocyanatopropylmethyldimethoxysilane 4 parts
[0049] 23 parts of isononyl acrylate
[0050] Camphorquinone 1 part
[0051] Nano graphene 7 parts
[0052] 1 part spherical silica
[0053] Preparation:
[0054] Accurately weigh various raw materials according to the proportion of the formula. Spherical silicon dioxide is added into the reaction kettle in turn, filled with nitrogen to protect and stir, and the material is discharged after stirring evenly. Store in vacuum pack.
Embodiment 2
[0056] Polybutadiene urethane acrylate 20 parts
[0057] Hydrophobic urethane acrylate 15 parts
[0058] Hyperbranched Oligomer 15
[0059] Ethyl isocyanate acrylate 10 parts
[0060] 1 part trimethoxysilylpropyl isocyanurate
[0061] Acrylic polydibutylene 10 parts
[0062] Tricyclodecane dimethanol diacrylate 12 parts
[0063] Methyl benzoylformate 2 parts
[0064] Nano graphene 13 parts
[0065] 2 parts organic bentonite
[0066] Preparation:
[0067] Accurately weigh various raw materials according to the formula ratio, first polybutadiene urethane acrylate, hydrophobic urethane acrylate, hyperbranched oligomer, ethyl isocyanate acrylate, trimethoxysilylpropyl Acrylate, polydibutylene acrylate, tricyclodecane dimethanol diacrylate, methyl benzoylformate, nano-graphene, and organic bentonite were added to the reaction kettle in sequence, filled with nitrogen to protect and stir, and discharged after stirring evenly. Store in vacuum pack.
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