Method for detecting rheological properties of resin
A technology of rheological properties and detection methods, applied in the directions of flow characteristics, measuring devices, instruments, etc., can solve the problems of high price and high production cost, and achieve the effect of optimizing production process and saving costs.
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Embodiment 2
[0032] A method for detecting rheological properties of resin, comprising the steps of:
[0033] 1) Accurately weigh 0.6~1.0g of the resin sample, press it into a sheet with a diameter of 25mm and a thickness of 1mm with a tablet press, and set aside;
[0034] 2) At room temperature, coat the surface of the rotor of the rotational rheometer with a release agent;
[0035] 3) Place the resin sample on the sample plate of the rotational rheometer, start the rotational rheometer, set the rheological temperature rise program, the resin semi-cured temperature rise program judges the operable window of the sample in the production process, and the initial temperature of the equipment is set to 80°C. Set the zero gap and load the sample. After the sample is loaded, the heating program is divided into two stages. The first stage is from 80°C to 150°C, the heating rate is 2°C / min, and the temperature is constant for 10 minutes; the second stage is from 150°C to ~190°C ℃, constant tempe...
Embodiment 3
[0040] A method for detecting rheological properties of resin, comprising the steps of:
[0041] 1) Accurately weigh 0.6~1.0g of the resin sample, press it into a sheet with a diameter of 25mm and a thickness of 1mm with a tablet press, and set aside;
[0042] 2) Place the resin sample on the sample tray of the rotational rheometer, start the rotational rheometer, set the rheological heating program, according to the sample test requirements, it is divided into a resin semi-cured heating program and a full-cured heating program, and the resin semi-cured heating program Program, from 80°C to 150°C, the heating rate is 2°C / min; the resin full curing temperature rise program is divided into two stages, the first stage is from 80°C to 150°C, the heating rate is 2°C / min, and the temperature is constant for 10 minutes; In the second stage, the temperature is raised from 150°C to ~190°C, and the temperature is kept constant for 10 minutes;
[0043] 4) At the end of the test, disasse...
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