Preparation method and driving method of shape-memory polycaprolactone foam
A technology of polycaprolactone and driving method, which is applied in the field of preparation of shape-memory polycaprolactone foam, can solve problems such as low production efficiency, complex process, and difficult control, and achieve low cost, simple foaming process, and excellent shape The effect on memory performance
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specific Embodiment approach 1
[0023] Specific embodiment one: the preparation method of a kind of shape memory polycaprolactone foam of this embodiment is carried out according to the following steps:
[0024] 1. Dissolve polycaprolactone in dichloromethane, stir at room temperature until completely dissolved, and obtain a solution with a mass concentration of polycaprolactone of 30%, then add benzamide peroxide, and stir at room temperature until dispersed Uniformly, obtain polycaprolactone solution; The mass ratio of described benzamide peroxide and polycaprolactone is (10~20):100;
[0025] 2. Pour the polycaprolactone solution obtained in step 1 into the mold, then put it into a microwave oven, and heat it under the condition that the microwave output power is 650W-750W and the microwave intensity is 2400MHz-2500MHz. The heating time does not exceed 2min. After cooling down, a shape-memory polycaprolactone foam is obtained.
[0026] The shape-memory polycaprolactone foam prepared in this embodiment is ...
specific Embodiment approach 2
[0031] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the mass ratio of benzamide peroxide and polycaprolactone described in step 1 is 15:100. Other steps and parameters are the same as those in the first embodiment.
specific Embodiment approach 3
[0032] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the output power of the microwave in step 2 is 700W. Other steps and parameters are the same as those in Embodiment 1 or 2.
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