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Flame-retardant thermoplastic polyurethane plastic, flame retardant and application

A flame retardant and plastic technology, applied in the field of new flame retardant TPU plastics, can solve the problems of plastic physical and mechanical properties decline, high cost of flame retardant TPU preparation, limit the use of flame retardant TPU, etc., to achieve small physical properties and good solubility , weaken the effect of plasticizing side effects

Inactive Publication Date: 2020-11-10
南通诺为新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high addition of flame retardant makes the preparation cost of flame retardant TPU very high, and at the same time the physical and mechanical properties of plastics decrease, which limits the use of flame retardant TPU

Method used

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  • Flame-retardant thermoplastic polyurethane plastic, flame retardant and application
  • Flame-retardant thermoplastic polyurethane plastic, flame retardant and application
  • Flame-retardant thermoplastic polyurethane plastic, flame retardant and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0023]

[0024] tributylmethyl ammonium dibutyl phosphate

[0025] 3% tributylmethyl dibutylammonium phosphate and TPU pellets were melt blended with an extruder. The extruder is also equipped with a liquid feeder, and the extrusion temperature is slightly lower than the processing temperature of pure TPU resin. Then the injection molding machine prepared the samples and tested the flame retardancy.

Embodiment example 2

[0027]

[0028] The processing and testing process of the above implementation case 2 is similar to that of case 1 and will not be repeated here. Wherein, the compound is 1-ethyl-3-methylimidazolium diethylphosphate compound.

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Abstract

The invention discloses a novel flame-retardant thermoplastic polyurethane plastic (flame-retardant TPU), and components, preparation and application thereof. Specifically, the flame-retardant TPU disclosed by the invention comprises polyether type TPU and polyester type TPU, the TPU flame retardant disclosed by the invention comprises an ionic liquid component, and the ionic liquid can be a single ionic liquid component, can be shared by several ionic liquids, and can also be a mixture of the ionic liquid and a traditional flame retardant. The flame-retardant TPU plastic plate disclosed by the invention can be applied to the fields of automobiles, buildings, national defense, aviation and the like.

Description

technical field [0001] The invention relates to a novel flame-retardant TPU plastic. Specifically, the patent of the present invention discloses a new type of flame retardant based on ionic liquid structure and its application in TPU plastics, which belongs to the technical field of polymers and flame retardants. Background technique [0002] Thermoplastic polyurethane elastomer (TPU) is a polymer synthetic material with flexible segments and hard segments. According to the type of polyol, it is divided into polyether TPU and polyester TPU. The ability and easy rotation make it have better flexibility at low temperature and excellent hydrolysis resistance; while polyester TPU is more excellent in tensile strength, tear strength, wear resistance and bacteria resistance. . TPU is widely used in many fields of the national economy, such as shoe materials, automobiles, construction, pipes and other industries, and its output is increasing year by year. [0003] However, TPU i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08K5/19C08K5/521C08K5/3445
CPCC08K5/19C08K5/3445C08K5/521C08L2201/02C08L75/04
Inventor 徐延杰李莉
Owner 南通诺为新材料科技有限公司
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