Polymer wax powder with self-repairing function, and preparation method thereof
A polymer and self-repairing technology, which is applied in the field of polymers, can solve the problems of coating material adhesion, flexibility, surface hardness, and large-scale application of materials, and achieve obvious self-repairing effect, hardness improvement, and prolongation. The effect of service life
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Embodiment 1
[0031] A method for preparing polymer wax powder with self-repairing function, characterized in that the preparation method comprises the following steps:
[0032] 1) Mix the ingredients
[0033] Polyethylene wax, allyl bisphenol A epoxy resin, hydroxyalkylamide, silane coupling agent, carboxyl-terminated saturated polyester and accelerator are mixed, and the weight proportion of each component is:
[0034] Polyethylene wax 55 parts
[0035] Allyl bisphenol A shrink epoxy resin 15 parts
[0036] Hydroxyalkylamide 1.5 parts
[0037] Allyltrimethoxysilane 2 parts
[0038] Allyltriethoxysilane 1 part
[0039] 0.5 parts by weight of γ-methacryloxypropyltrimethoxysilane
[0040] Carboxyl-terminated saturated polyester 20 parts by weight
[0041] Nanoscale zinc oxide 2 parts by weight
[0042] Tetraisobutyl titanate 2 parts by weight
[0043] Zinc acetylacetonate 1 part by weight
[0044] 2) Melt extrusion
[0045] Add above-mentioned batching into twin-screw extruder, coo...
Embodiment 2
[0062] The preparation method of the present embodiment is the same as that of Example 1, except that the parts by weight of each component are different, as follows:
[0063] Polyethylene wax 75 parts
[0064] Allyl bisphenol A shrink epoxy resin 20 parts
[0065] 2 parts hydroxyalkylamide
[0066] Allyltrimethoxysilane 2 parts
[0067] Vinyltriethoxysilane 1 part
[0068] 0.5 parts by weight of γ-methacryloxypropyltrimethoxysilane
[0069] Carboxyl-terminated saturated polyester 15 parts by weight
[0070] Nanoscale zinc oxide 2 parts by weight
[0071] 1 part by weight of tetraisobutyl titanate
[0072] Zinc acetylacetonate 1 part by weight
[0073] Add the above-mentioned self-healing functional polymer wax powder into the epoxy polyester powder coating,
[0074] E-12 bisphenol A glycidyl ether epoxy resin (Anhui Shanfu 604U) 108 kg
[0075] Polyester (New Chinese French 6055) 160 kg
[0076] Leveling agent 5 kg
[0077] 701B 4kg
[0078] Benzoin 2 kg
[0079] S...
Embodiment 3
[0085] The preparation method of the present embodiment is the same as that of Example 1, except that the parts by weight of each component are different, as follows:
[0086] Polyethylene wax 60 parts
[0087] Allyl bisphenol A shrink epoxy resin 10 parts
[0088] 1 part hydroxyalkylamide
[0089] Allyl triethoxysilane 1 part
[0090] Vinyltriethoxysilane 1 part
[0091] 0.5 parts by weight of γ-methacryloxypropyltrimethoxysilane
[0092] Carboxyl-terminated saturated polyester 10 parts by weight
[0093] Nanoscale zinc oxide 1 part by weight
[0094] 1 part by weight of tetraisobutyl titanate
[0095] Add the above-mentioned self-healing functional polymer wax powder into the epoxy polyester powder coating,
[0096] E-12 bisphenol A glycidyl ether epoxy resin (Anhui Shanfu 604U) 108 kg
[0097] Polyester (New Chinese French 5086) 108kg
[0098] Leveling agent 4 kg
[0099] 701B 3.2kg
[0100] Benzoin 1.7 kg
[0101] Self-healing wax powder 40 kg
[0102] Barium ...
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