Wear-resistant flame-retardant TPU and preparation method thereof
A technology of calcium carbonate and modified seaweed, which is applied in the field of TPU, can solve the problem of low wear resistance of TPU, achieve good wear resistance and flame retardancy, improve wear resistance, improve affinity and binding force
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[0067] Preparation Example 1
[0068] A modified seaweed fiber, obtained by the following method:
[0069] Step 1: Soak 1kg of seaweed fiber in saturated magnesium hydroxide solution, ultrasonicate for 10min, soak for 1d, and centrifuge;
[0070] Step 2: place the seaweed fibers obtained in step 1 in ethanol, add 0.15kg of phenolic resin and 0.1kg of titanium dioxide with a weight of seaweed fibers, stir for 10min, heat to 50°C, add 50g of seaweed fibers with a weight of Glyceryl tristearate, stirred for 20 min, cooled to room temperature, separated and dried to obtain modified seaweed fibers.
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[0071] Preparation Example 2
[0072] A modified seaweed fiber, obtained by the following method:
[0073] Step 1: Soak 1kg of seaweed fiber in saturated magnesium hydroxide solution, sonicate for 20min, soak for 2d, and centrifuge;
[0074] Step 2: place the seaweed fibers obtained in step 1 in ethanol, add 0.1kg of phenolic resin and 0.05kg of titanium dioxide with a weight of seaweed fibers, stir for 15min, heat to 60 ° C, add a weight of 10g of seaweed fibers. Glyceryl tristearate, stirred for 10 min, cooled to room temperature, separated and dried to obtain modified seaweed fibers.
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[0075] Preparation Example 3
[0076] A modified seaweed fiber, obtained by the following method:
[0077] Step 1: Soak 1kg of seaweed fiber in saturated magnesium hydroxide solution, ultrasonicate for 15min, soak for 1.5d, and centrifuge;
[0078] Step 2: place the seaweed fibers obtained in step 1 in ethanol, add 0.12kg of phenolic resin and 0.08kg of titanium dioxide weighing seaweed fibers, stir for 12min, heat to 55°C, add 35g of seaweed fibers. Glyceryl tristearate, stirred for 15 min, cooled to room temperature, separated and dried to obtain modified seaweed fibers.
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