Explosion-proof heat-insulation TPU film for automobile glass, and preparation method thereof
A technology of automotive glass and absorbent, which is applied in the field of explosion-proof and heat-insulating TPU film and its preparation. It can solve the problems of unsatisfactory adhesion and peeling force, poor weather resistance, poor transparency, etc., and achieve excellent explosion-proof and scratch resistance. The characteristics and preparation method are scientific and reasonable, and are beneficial to the effect of industrial production
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[0050] Example 1
[0051] An explosion-proof and heat-insulating TPU film that can be used for automobile glass and a preparation method thereof are prepared from the following raw materials by mass percentage:
[0052]
[0053] The TPU masterbatch is made from the following mass fraction raw materials plus 0.02% catalyst T-9:
[0054]
[0055] Wherein the reaction hard segment is 43%, the r value (NCO / OH molar ratio) is 0.995, and the preparation method is as follows:
[0056] (1) adding oligomeric diol, ultraviolet absorber, light stabilizer, antioxidant and plasticizer into the reactor A, and the material temperature is controlled at 110 ° C; adding diisocyanate to the reactor B, the material The temperature is controlled at 75°C; the chain extender is added to the reaction kettle C, and the material temperature is controlled at 75°C; then the materials in the three reaction kettles A and B are injected into the small screw in proportion to prepolymerize, and the catal...
Example Embodiment
[0058] Example 2
[0059] An explosion-proof and heat-insulating TPU film that can be used for automobile glass and a preparation method thereof are prepared from the following raw materials by mass percentage:
[0060]
[0061] The TPU masterbatch is made from the following mass fraction raw materials plus 0.02% catalyst T-9:
[0062]
[0063] The reaction hard segment is 43%, the r value (NCO / OH molar ratio) is 0.995, and the preparation method is the same as that of Example 1.
Example Embodiment
[0064] Example 3
[0065] An explosion-proof and heat-insulating TPU film that can be used for automobile glass and a preparation method thereof are prepared from the following raw materials by mass percentage:
[0066]
[0067]
[0068] The TPU masterbatch is made from the following mass fraction raw materials plus 0.02% catalyst T-9:
[0069]
[0070] The reaction hard segment is 43%, the r value (NCO / OH molar ratio) is 0.995, and the preparation method is the same as that of Example 1.
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