Preparation method of flame-retardant antistatic coal mine ventilating pipeline
A flame retardant, antistatic, and ventilation duct technology, which is applied in the field of ventilation duct preparation, can solve the problems of poor flame retardancy and antistatic performance of ventilation ducts, and achieve the effects of inhibiting flammable gas, improving electrical conductivity, and delaying thermal degradation.
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example 1
[0024] In parts by weight, put 20 parts of 200-mesh conductive carbon black powder and 40 parts of absolute ethanol in a three-necked flask with a stirrer, then put the three-necked flask into a water bath, heat up to 60°C, and start stirring After stirring and mixing at a speed of 300r / min for 10 minutes, add 6 parts of silane coupling agent KH-570 into the three-necked flask, heat and stir for 1 hour to obtain the product, filter the product with suction, remove the filtrate, and put it in an oven. Heat up to 100°C and dry for 7 hours to obtain modified conductive carbon black; take poplar wood and put it into a wood grinder for 30 minutes, pass through a 80-mesh standard sieve to obtain sieved poplar wood powder, put the sieved poplar wood powder into an oven to heat up to 60°C, dried for 6 hours to obtain dried poplar wood powder; in parts by weight, mix 90 parts of poplar wood powder, 20 parts of maleic anhydride, 20 parts of polypropylene, 10 parts of rotten wood powder a...
example 2
[0026]In parts by weight, put 25 parts of 200-mesh conductive carbon black powder and 42 parts of absolute ethanol in a three-necked flask with a stirrer, then put the three-necked flask into a water bath, heat up to 65°C, and start stirring After stirring and mixing at a speed of 310r / min for 12 minutes, add 7 parts of silane coupling agent KH-570 to the three-necked flask, keep stirring and react for 1.5 hours to obtain the product, filter the product with suction, remove the filtrate, and put it in an oven , heated to 105°C, dried for 7.5 hours to obtain modified conductive carbon black; put the poplar wood into a wood grinder and crushed it for 35 minutes, passed through a 90-mesh standard sieve to obtain sieved poplar wood powder, and put the sifted poplar wood powder into an oven Heating to 65°C and drying for 6.5 hours to obtain dry poplar wood powder; in parts by weight, mix 95 parts of poplar wood powder, 22 parts of maleic anhydride, 25 parts of polypropylene, 12 part...
example 3
[0028] In parts by weight, put 30 parts of 200-mesh conductive carbon black powder and 45 parts of absolute ethanol in a three-necked flask with a stirrer, then put the three-necked flask into a water bath, heat up to 70°C, and start stirring After stirring and mixing at a speed of 330r / min for 15 minutes, add 8 parts of silane coupling agent KH-570 into the three-necked flask, keep warm and stir for 2 hours to obtain the product, filter the product with suction, remove the filtrate, and put it in an oven. Heat up to 110°C and dry for 8 hours to obtain modified conductive carbon black; take poplar wood and put it into a wood grinder to pulverize for 40 minutes, pass through a 100-mesh standard sieve to obtain sieved poplar wood powder, put the sieved poplar wood powder into an oven to heat up To 70°C, dry for 7 hours to obtain dry poplar wood powder; in parts by weight, mix 100 parts of poplar wood powder, 25 parts of maleic anhydride, 30 parts of polypropylene, 15 parts of rot...
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