Anti-impact automobile front baffle shock pad and preparation method thereof
A technology of impact resistance and front baffle, which is applied in the field of auto parts preparation, and can solve the problems of general shock absorption effect and poor impact strength
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example 1
[0049] (1) Place a three-necked flask with a stirring device in an oil bath, put boric acid, silicone oil and polystyrene particles into the three-necked flask at a mass ratio of 12:10:3, and raise the temperature of the oil bath to 190 °C, start the stirring device and stir the reaction at a speed of 300r / min for 20h to obtain a pre-reactant;
[0050] (2) After mixing the above-mentioned pre-reactants and epoxy soybean oil in a mass ratio of 20:1, at a temperature of 190°C, continue to stir and react at a speed of 100r / min for 1h. After the reaction, a self-made antibiotic impact damping glue;
[0051] (3) Mix corn flour and water at a mass ratio of 1:5, then add calcium chloride with 1% corn flour mass, adjust the pH to 6.7, then add 2% corn flour mass amylase and 1% corn flour mass The glucoamylase was heated to 35°C, heat-preserved and enzymatically hydrolyzed for 4 hours, then discharged, heated to boil and cooled naturally to obtain corn saccharification liquid;
[005...
example 2
[0057] (1) Place a three-necked flask with a stirring device in an oil bath, put boric acid, silicone oil and polystyrene particles into the three-necked flask at a mass ratio of 12:10:3, and raise the temperature of the oil bath to 192 °C, start the stirring device and stir the reaction at a speed of 320r / min for 21h to obtain a pre-reactant;
[0058] (2) After mixing the above-mentioned pre-reactants and epoxidized soybean oil in a mass ratio of 20:1, at a temperature of 192°C, continue to stir and react at a speed of 120r / min for 1h. After the reaction, a self-made antibiotic impact damping glue;
[0059] (3) Mix corn flour and water at a mass ratio of 1:5, then add calcium chloride with 1% corn flour mass, adjust the pH to 6.8, then add 2% corn flour mass amylase and 1% corn flour mass The glucoamylase was heated to 37°C, heat-preserved and enzymatically hydrolyzed for 4 hours, then discharged, heated to boil and cooled naturally to obtain corn saccharification liquid;
...
example 3
[0065] (1) Place a three-necked flask with a stirring device in an oil bath, put boric acid, silicone oil and polystyrene particles into the three-necked flask at a mass ratio of 12:10:3, and raise the temperature of the oil bath to 195 °C, start the stirring device and stir the reaction at a speed of 350r / min for 22h to obtain a pre-reactant;
[0066] (2) After mixing the above-mentioned pre-reactants and epoxidized soybean oil in a mass ratio of 20:1, at a temperature of 195° C., continue to stir and react at a speed of 150 r / min for 1 hour. After the reaction, a self-made antibiotic impact damping glue;
[0067] (3) Mix corn flour and water at a mass ratio of 1:5, then add calcium chloride with 1% corn flour mass, adjust the pH to 6.8, then add 2% corn flour mass amylase and 1% corn flour mass The glucoamylase was heated to 40°C, heat-preserved and enzymatically hydrolyzed for 5 hours, then discharged, heated to boil and cooled naturally to obtain corn saccharification liq...
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