Cold laminating film with shape memory characteristic
A cold lamination film and memory technology, which is applied in the field of cold lamination films with shape memory properties, can solve the problems of corrosion resistance and ultraviolet erosion resistance of images that cannot be photographed, no antibacterial properties, and embrittlement of cold lamination films. Anti-ultraviolet light aging performance, enhanced antibacterial and mildew resistance, and long service life
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Embodiment 1
[0025] A preparation process of a cold lamination film with shape memory properties, the preparation process of the cold lamination film with shape memory properties comprises the following steps:
[0026] 1) Dissolve hydroxyacrylic resin, polycaprolactone diol and additives in excess butyl acetate solution, stir evenly, and heat and stir in a water bath at 40°C for 10 minutes to obtain a uniform mixture;
[0027] 2) Add curing agent and catalyst to the homogeneous mixed solution obtained in step 1), mix and stir, and reflux to collect the refluxed liquid under the condition of 35°C water bath, until the solution system changes from colorless to slightly yellow or turbid, stop, and add to Add the reflux liquid dropwise to the solution system until the solution has no turbidity and returns to colorless, and a thick slurry is obtained;
[0028] 3) Put the thick slurry obtained in step 2) into a flat vulcanizer for hot pressing, preheat at 160°C for 8 minutes, hold the pressure a...
Embodiment 2
[0032] A preparation process of a cold lamination film with shape memory properties, the preparation process of the cold lamination film with shape memory properties comprises the following steps:
[0033] 1) Dissolve hydroxyacrylic resin, polycaprolactone diol and additives in excess butyl acetate solution, stir evenly, and heat and stir in a water bath at 50°C for 5 minutes to obtain a uniform mixture;
[0034] 2) Add curing agent and catalyst to the homogeneous mixed solution obtained in step 1), mix and stir, and reflux to collect the refluxed liquid under the condition of 40°C water bath, until the solution system changes from colorless to slightly yellow or turbid, stop, and add to Add the reflux liquid dropwise to the solution system until the solution has no turbidity and returns to colorless, and a thick slurry is obtained;
[0035]3) Put the thick slurry obtained in step 2) into a flat vulcanizer for hot pressing, preheat at 170°C for 5 minutes, hold the pressure at ...
Embodiment 3
[0039] A preparation process of a cold lamination film with shape memory properties, the preparation process of the cold lamination film with shape memory properties comprises the following steps:
[0040] 1) Dissolve hydroxyacrylic resin, polycaprolactone diol and additives in excess butyl acetate solution, stir evenly, and heat and stir in a water bath at 50°C for 10 minutes to obtain a uniform mixture;
[0041] 2) Add curing agent and catalyst to the homogeneous mixed solution obtained in step 1), mix and stir, and reflux to collect the refluxed liquid under the condition of 40°C water bath, until the solution system changes from colorless to slightly yellow or turbid, stop, and add to Add the reflux liquid dropwise to the solution system until the solution has no turbidity and returns to colorless, and a thick slurry is obtained;
[0042] 3) Put the thick slurry obtained in step 2) into a flat vulcanizer for hot pressing, preheat at 165°C for 5 minutes, hold the pressure a...
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