Door and window sealing material and preparation method thereof
A sealing material, door and window technology, applied in the field of doors and windows, can solve the problems of fast aging, poor high temperature and low temperature resistance, short service life, etc., to improve high temperature and low temperature resistance, good high temperature and low temperature resistance, The effect of improving the sound insulation effect
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Embodiment 1
[0023] This embodiment relates to a door and window sealing material, including the following raw materials in parts by weight: 30 parts of PVC resin, 15 parts of epoxy resin, 5 parts of polyisobutylene, 2 parts of fumed silica, 7 parts of dibutyl phthalate, 5 parts of filler, 2 parts of paraffin, 1 part of magnesium oxide, 3 parts of zinc oxide, 1.5 parts of ultraviolet absorber, 0.1 part of light stabilizer, 0.3 part of stearic acid, 0.2 part of carbon black, 0.5 part of titanium dioxide, and 0.2 part of photocatalyst.
[0024] Wherein, the ultraviolet absorber is a benzotriazole ultraviolet absorber.
[0025] Wherein, the filler is calcium carbonate.
[0026] Wherein, the light stabilizer is a hindered amine light stabilizer.
[0027] A method for preparing the door and window sealing material, comprising the steps of:
[0028] (1) Weigh PVC resin, epoxy resin, polyisobutylene, fumed silica, dibutyl phthalate, filler, paraffin wax, magnesium oxide, zinc oxide, ultraviolet...
Embodiment 2
[0034] This embodiment relates to a door and window sealing material, including the following raw materials in parts by weight: 50 parts of PVC resin, 25 parts of epoxy resin, 13 parts of polyisobutylene, 8 parts of fumed silica, 18 parts of dibutyl phthalate, 10 parts of filler, 4 parts of paraffin, 2 parts of magnesium oxide, 5 parts of zinc oxide, 2.5 parts of ultraviolet absorber, 0.5 part of light stabilizer, 0.7 part of stearic acid, 0.6 part of carbon black, 4 parts of titanium dioxide, 3 parts of photocatalyst.
[0035] Wherein, the ultraviolet absorber is a benzotriazole ultraviolet absorber.
[0036] Wherein, the filler is bentonite.
[0037] Wherein, the light stabilizer is a hindered amine light stabilizer.
[0038] A method for preparing the door and window sealing material, comprising the steps of:
[0039] (1) Weigh PVC resin, epoxy resin, polyisobutylene, fumed silica, dibutyl phthalate, filler, paraffin wax, magnesium oxide, zinc oxide, ultraviolet absorber,...
Embodiment 3
[0045]This embodiment relates to a door and window sealing material, including the following raw materials in parts by weight: 35 parts of PVC resin, 18 parts of epoxy resin, 7 parts of polyisobutylene, 4 parts of fumed silica, 11 parts of dibutyl phthalate, 7 parts of filler, 2.5 parts of paraffin, 1.4 parts of magnesium oxide, 3.3 parts of zinc oxide, 1.7 parts of ultraviolet absorber, 0.2 parts of light stabilizer, 0.4 parts of stearic acid, 0.3 parts of carbon black, 1.7 parts of titanium dioxide, and 1.5 parts of photocatalyst.
[0046] Wherein, the ultraviolet absorber is a benzotriazole ultraviolet absorber.
[0047] Wherein, the filler is a mixture of silica micropowder and talcum powder.
[0048] Wherein, the light stabilizer is a hindered amine light stabilizer.
[0049] A method for preparing the door and window sealing material, comprising the steps of:
[0050] (1) Weigh PVC resin, epoxy resin, polyisobutylene, fumed silica, dibutyl phthalate, filler, paraffin w...
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