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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

Active Publication Date: 2020-11-24
东莞市稳畅电子制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the related technologies mentioned above, the inventor believes that there is a defect that the wear resistance of TPU is not high

Method used

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  • Wear-resistant flame-retardant TPU and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

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.

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.

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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PUM

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Abstract

The invention discloses wear-resistant flame-retardant TPU and a preparation method thereof. The wear-resistant flame-retardant TPU is prepared from TPU, modified alginate fiber, epoxy resin, polytetrafluoroethylene, a plasticizer, a curing agent, iron stearate, calcium carbonate and silicone oil. The preparation method comprises the following steps: coating the surface of the modified alginate fiber with the silicone oil, uniformly mixing the TPU, epoxy resin, polytetrafluoroethylene and plasticizer, adding the curing agent, iron stearate and calcium carbonate, continuing mixing, and finallyadding the modified alginate fiber to obtain the wear-resistant flame-retardant TPU. The wear-resistant flame-retardant TPU disclosed by the invention has the advantages of better wear resistance andflame retardance.

Description

technical field [0001] The present application relates to the field of TPU, in particular to a wear-resistant and flame-retardant TPU and a preparation method thereof. Background technique [0002] Thermoplastic polyurethane elastomer rubber is also called TPU, which has a wide range of hardness, wear resistance, oil resistance, transparency and good elasticity. TPU can be reprocessed, and TPU products made of TPU have outstanding bearing capacity, impact resistance and shock absorption performance. [0003] In the related art, in the preparation process of thermoplastic polyurethane elastomer rubber, each raw material is mixed evenly, and then kneaded, so that each colloid (raw thermoplastic polyurethane elastomer), powder (filler) and liquid (silicone oil) raw material are mixed. Smelted into block TPU, the obtained TPU has better mechanical properties. [0004] In view of the above-mentioned related art, the inventor believes that there is a defect that the wear resista...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08L5/04C08L63/00C08L27/18C08L83/04C08L61/06C08K13/06C08K9/00C08K9/04C08K3/26C08K5/098C08K3/22C08K5/103C08K5/11C08K5/1539
CPCC08L75/04C08L2201/02C08L2205/035C08L2205/16C08K2003/2241C08K2003/2224C08K2003/265C08L5/04C08L63/00C08L27/18C08L83/04C08L61/06C08K13/06C08K9/00C08K9/04C08K3/26C08K5/098C08K3/22C08K5/103C08K5/11C08K5/1539
Inventor 韦文成
Owner 东莞市稳畅电子制品有限公司
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