A kind of gsx glue for sealing filter material and the method for automatically coating sealing filter material
An automatic coating and filter material technology, which is applied in coatings, adhesives, and devices for coating liquid on the surface, can solve problems such as poor temperature resistance, low efficiency, and poor flexibility, and achieve high temperature resistance and flexibility. Good, good flexibility effect
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Embodiment 1
[0035] After the PPS chemical fiber felt is sewn into a cylindrical shape by an automatic sewing thread, the sewing needle eye is sealed and coated with the automatic sealing method of the present invention.
[0036] The raw material components of the GSX glue used to seal the filter material include: 30 parts of polycarbonate diol, 30 parts of pure MDI, 0.1 part of catalyst dibutyltin dilaurate and 3 parts of filler fumed silica, the parts are parts by mass number;
[0037] Preparation of GSX glue for sealing the filter material: Stir and heat the polycarbonate diol to 100°C, and at the same time turn on the vacuum pump, so that the polyol is distilled under reduced pressure for 1 hour under the condition of a vacuum degree of 0.1MPa, and the dehydration is completed. Then add pure MDI to the dehydrated polycarbonate diol and stir, then raise the temperature to 60° C. and react for 1 h. After the reaction is completed, add catalyst dibutyltin dilaurate and filler fumed silic...
Embodiment 2
[0044] After the PPS chemical fiber felt is sewn into a cylindrical shape by an automatic sewing thread, the sewing needle eye is sealed and coated with the automatic sealing method of the present invention.
[0045] The raw material components of the GSX glue used to seal the filter material include: 30 parts of neopentyl adipate diol, 30 parts of pure MDI, 0.1 part of catalyst dibutyltin dilaurate and 3 parts of filler fumed silica. The stated parts are parts by mass;
[0046] Preparation of GSX glue for sealing filter material: Stir and heat polyneopentyl adipate diol to 100°C, and at the same time turn on the vacuum pump to make polyol distilled under reduced pressure for 1h under vacuum degree of 0.1MPa, and dehydrate complete. Then add pure MDI to the dehydrated polycarbonate diol and stir, then raise the temperature to 60° C. and react for 1 h. After the reaction is completed, add catalyst dibutyltin dilaurate and filler fumed silica while stirring, and distill under ...
Embodiment 3
[0053] After the PPS chemical fiber felt is sewn into a cylindrical shape by an automatic sewing thread, the sewing needle eye is sealed and coated with the automatic sealing method of the present invention.
[0054] The raw material components of the GSX glue used to seal the filter material include: 30 parts of polytetrahydrofuran ether glycol, 30 parts of pure MDI, 0.1 part of catalyst dibutyltin dilaurate and 3 parts of filler fumed silica, the parts are parts by mass number;
[0055] Preparation of GSX glue for sealing filter material Stir and heat the polytetrahydrofuran ether glycol to 100°C, and at the same time turn on the vacuum pump to make the polyol undergo vacuum distillation for 1 hour under the condition of vacuum degree of 0.1MPa, and the dehydration is completed. Then add pure MDI to the dehydrated polycarbonate diol and stir, then raise the temperature to 60° C. and react for 1 h. After the reaction is completed, add catalyst dibutyltin dilaurate and filler...
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Abstract
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