Formaldehyde removing buffer strip for closure of elevator car door
A buffer strip and car door technology, which is applied in the field of formaldehyde removal buffer strips for elevator car door closure, can solve problems such as improper adjustment of safety touch panels, presence of formaldehyde, and health hazards, achieving high practical value, increasing plasticity, reducing noise and noise effect
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Embodiment 1
[0036] A formaldehyde-removing buffer strip and its preparation method;
[0037] The technical problem to be solved by the present invention adopts the following technical solutions to realize:
[0038]A formaldehyde-removing buffer strip for elevator car door closing, including the following specific technical solutions: The formaldehyde-removing buffer strip for elevator car door closing provided by the present invention includes the following components by mass: 11 parts of easy-mixing tank black, foam regulator DLFO. 5 parts, 15 parts of petrolatum, 10 parts of light calcium carbonate, 17 parts of antimony trioxide, 13 parts of zinc myristate, 6 parts of hydrocarbyl benzoate, 9 parts of salicylic acid, 30 parts of clay, 5 parts of carrageenan , 10 parts of diatom mud, 12 parts of activated carbon, 8 parts of nano-modified alkyd resin, 1.5 parts of impact modifier ACM, 1 part of polyethylene wax, 0.7 parts of hydrocarbyl benzoate, 1 part of anti-aging agent, butyl 77 parts...
Embodiment 2
[0057] A formaldehyde-removing buffer strip for elevator car door closure;
[0058] The technical problem to be solved by the present invention adopts the following technical solutions to realize:
[0059] A preparation method for an elevator car door closing formaldehyde-removing buffer strip, comprising the following steps:
[0060] (1) Butadiene rubber, nano-modified alkyd resin is added in the mixed acid solution of 85 times of its weight, and described mixed acid is to be made up of 60% carbonic acid and 88% hydrochloric acid solution that mass ratio is 3.5:1, in Sonicate at 55°C for 17 minutes, filter, wash the precipitate twice with water, and dry in vacuum at 75°C for 30 minutes to obtain acidified modified butylpyridine rubber;
[0061] (2) Get 47% of the weight of the above-mentioned acidified modified butylpyridine rubber, mix it with easy-to-mix tank black, foam regulator DLF, vaseline, light calcium carbonate, antimony trioxide, zinc myristate, and add to the wei...
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