Heat preservation method for land-based fishing ground
A fishery, land-based technology, applied in animal husbandry, application, fish farming, etc., can solve the problems of poor anti-aging comprehensive performance, large infrastructure projects, etc., and achieve benefits for artificial breeding, simple construction, and good water resistance Effect
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Embodiment 1
[0045] Modified calcium carbonate whiskers are prepared by the following steps:
[0046] Step B1: Mix the silane coupling agent KH550 and ethanol according to the dosage ratio of 10mL: 17.5mL to prepare a modified liquid for later use; take calcium carbonate whiskers and deionized water according to the dosage ratio of 10g: 24.5mL to obtain a dispersion liquid for later use;
[0047] Step B2: Add the modified liquid and dispersion liquid into the reactor, control the temperature at 67°C, stir at 300r / min, reflux for 5 hours, and when the reaction is complete, filter the reaction liquid with suction and put the filter cake in a vacuum drying oven for control The drying temperature is 50° C., and drying is carried out to constant weight to obtain modified calcium carbonate whiskers.
Embodiment 2
[0049] The waterproof membrane comprises the following raw materials in parts by weight:
[0050] 55 parts of PVC particles, 25 parts of PVDF particles, 18.5 parts of butyl rubber, 1.5 parts of PE wax, 1.15 parts of modified calcium carbonate whiskers (prepared in Example 1), 0.75 parts of plasticizer, 0.13 parts of antioxidant, antioxidant 0.15 parts; 0.11 parts of calcium zinc stabilizer;
[0051] The waterproof membrane is prepared by the following steps:
[0052] Step A1: Put butyl rubber and anti-aging agent into the internal mixer after crushing, control the temperature at 155°C, stir at 60r / min, masticate until the Mooney viscosity reaches 61, and obtain the rubber compound;
[0053] Step A2: Stir and mix PVC granules, PVDF granules, plasticizers, calcium-zinc stabilizers and antioxidants, then add the mixture to the rubber, control the temperature at 170°C, stir at 100r / min, banbury 1.2 h, adding modified calcium carbonate whiskers to the internal mixer during the ba...
Embodiment 3
[0056] The waterproof membrane comprises the following raw materials in parts by weight:
[0057] 58 parts of PVC particles, 27 parts of PVDF particles, 20 parts of butyl rubber, 1.7 parts of PE wax, 1.2 parts of modified calcium carbonate whiskers (prepared in Example 1), 0.75 parts of plasticizer, 0.15 parts of antioxidant, antioxidant 0.16 parts; 0.13 parts of calcium zinc stabilizer;
[0058] The waterproof membrane is prepared by the following steps:
[0059] Step A1: Put butyl rubber into pulverization and anti-aging agent into the internal mixer, control the temperature at 157°C, stir at 65r / min, masticate until the Mooney viscosity reaches 59, and obtain the rubber compound;
[0060] Step A2: Stir and mix PVC granules, PVDF granules, plasticizers, calcium-zinc stabilizers and antioxidants, then add the mixture to the rubber, control the temperature at 175°C, stir at 110r / min, and banbury for 1.5 h, adding modified calcium carbonate whiskers to the internal mixer duri...
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