Degradable material and manufacturing method for three-way valve/dosing device of infusion set
A technology for a three-way valve and an infusion set is applied in the field of degradable materials and preparation methods for the three-way valve/dosing device of the infusion set, and achieves the effect of saving input cost and electricity consumption in production
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[0030] Example 1 Injection molding method of degradable infusion set three-way valve / dosing device:
[0031] The first step, vacuum drying: vacuum-dry the degradable substrate pellets of formula 1, formula 2 or formula 3 at 50-55° C. for 4 hours, and set aside.
[0032] The second step, injection molding: add the dried degradable substrate pellets of formula 1, formula 2 or formula 3 to an injection molding machine for injection molding.
[0033] The barrel temperature is set as: feed inlet 155-165°C, compression section 160-170°C, metering section 160-175°C, nozzle 155-170°C;
[0034] Mold temperature: 20-30°C;
[0035] Injection pressure: 55-90Mpa;
[0036] Injection time: 40-45 seconds;
[0037] Holding time: 0-4 seconds;
[0038] The screw speed is: 180 rpm;
[0039] Obtain the infusion set three-way valve / dosing device that adopts the degradable base material of formula 1, formula 2 or formula 3 to make.
[0040] The above-mentioned embodiment has described the thre...
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