Water-based environment-friendly flame-retardant adhesive and preparation method thereof
A flame-retardant, adhesive technology, used in adhesives, polyurea/polyurethane adhesives, polymer adhesive additives, etc., can solve the problems of easy hydrolysis, poor weather resistance, short interior use time, and poor fire resistance and fire resistance. , to achieve the effect of long open time, fast drying and good weather resistance
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[0045] The present invention also provides a preparation method of a water-based environmentally friendly flame-retardant adhesive, which comprises the following steps:
[0046] Add water-based polyurethane emulsion and pH stabilizer to the reaction kettle according to the above mass parts, and stir for 10-20 minutes;
[0047] Add flame retardant and stir for 10-20 minutes;
[0048] Add anti-hydrolysis agent and stir for 10-20 minutes;
[0049] Add hydrophilic fumed silica and stir for 30-60 minutes;
[0050] Add VAE emulsion and stir for 15-20 minutes;
[0051] Add water-based tackifying resin and stir for 15-20 minutes;
[0052] Add defoamer and stir for 10-20 minutes;
[0053] Then add 0.2-0.5 parts of rheology modifier, stir evenly, and filter out the material.
[0054] In order to ensure that the aqueous fumed silica is fully and uniformly wetted and dispersed, for example, after adding the aqueous fumed silica, the silica is dispersed by shaking, mechanical stirring...
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