A laying pipe and its preparation process
A pipe laying technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve problems such as not easy to be found, short service life, environmental pollution, etc., to improve service life, prevent surface rust, and improve bonding force Effect
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Embodiment 1
[0038] This embodiment prepares a kind of modified polypropylene particles, and the specific preparation process is as follows:
[0039] Step A1: Mix allyl chloride and phosphoric acid into the reactor, then add absolute ethanol and potassium iodide into the reactor, fill the reactor with nitrogen to discharge the air in the reactor, heat in a water bath to 32°C, and control the stirring speed 180r / min, reacted for 3h, then passed ammonia gas into the reaction solution until the pH of the reaction solution was 6, left to separate the liquid, took the lower liquid phase, stirred at room temperature for 5h, volatilized the absolute ethanol in the reaction solution, and prepared Obtain polymerized monomer, wherein, the usage ratio of allyl chloride, phosphoric acid, absolute ethanol and potassium iodide is 1mol: 1.1mol: 8mL: 1.3g;
[0040] Step A2: Take polymerized monomer and acetone into the reactor, then add azobisisobutyronitrile, seal the reactor, control the stirring speed ...
Embodiment 2
[0043] This embodiment prepares a kind of modified polypropylene particles, and the specific preparation process is as follows:
[0044] Step A1: Mix allyl chloride and phosphoric acid into the reactor, then add absolute ethanol and potassium iodide into the reactor, fill the reactor with nitrogen to discharge the air in the reactor, heat in a water bath to 35°C, and control the stirring speed 200r / min, reacted for 4h, then passed ammonia gas into the reaction solution until the pH of the reaction solution was 7, left to separate the liquid, took the lower liquid phase, stirred at room temperature for 7h, and volatilized the absolute ethanol in the reaction solution to prepare Obtain polymerized monomer, wherein, the usage ratio of allyl chloride, phosphoric acid, dehydrated alcohol and potassium iodide is 1mol: 1.2mol: 10mL: 1.5g;
[0045] Step A2: Take polymerized monomer and acetone into the reactor, then add azobisisobutyronitrile, seal the reactor, control the stirring sp...
Embodiment 3
[0048]This embodiment prepares a kind of modified polypropylene particles, and the specific preparation process is as follows:
[0049] Step A1: Mix allyl chloride and phosphoric acid into the reactor, then add absolute ethanol and potassium iodide into the reactor, fill the reactor with nitrogen to discharge the air in the reactor, heat in a water bath to 37°C, and control the stirring speed 240r / min, reacted for 5h, passed ammonia gas into the reaction solution until the pH of the reaction solution was 7, left to separate the liquid, took the lower liquid phase, stirred at room temperature for 8h, and volatilized the absolute ethanol in the reaction solution to prepare Obtain polymerized monomer, wherein, the usage ratio of allyl chloride, phosphoric acid, absolute ethanol and potassium iodide is 1mol: 1.3mol: 12mL: 1.7g;
[0050] Step A2: Take polymerized monomer and acetone into the reactor, then add azobisisobutyronitrile, seal the reactor, control the stirring speed at 2...
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