Halogen-free flame-retardant TPU cable material as well as preparation method and application thereof

A technology for cables and flame retardants, which is applied in the field of low-smoke halogen-free flame-retardant TPU cable materials and their preparation, can solve the problems of mechanical properties, aging resistance and hydrolysis resistance of flame-retardant TPU materials, and TPU materials are flammable and very poor. It is difficult to meet the problems of cables, etc., to ensure product quality, good compatibility, and reduce uneven mixing.

Inactive Publication Date: 2021-04-30
福建汇得新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN109385071A discloses a TPU material whose flame retardant performance reaches V0 level of vertical combustion and its preparation method. The invention is to directly mix the powder phosphorus nitrogen flame retardant system with the TPU material to obtain the flame retardant TPU material. This production method can solve the problem of TPU The material is flammable, but the

Method used

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  • Halogen-free flame-retardant TPU cable material as well as preparation method and application thereof
  • Halogen-free flame-retardant TPU cable material as well as preparation method and application thereof
  • Halogen-free flame-retardant TPU cable material as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] In this embodiment, a halogen-free flame-retardant TPU cable material is provided, and the preparation raw materials of the halogen-free flame-retardant TPU cable material include the following components by weight:

[0052]

[0053] Wherein the B flame retardant is aluminum hypophosphite and melamine cyanurate modified by a controlled radical silane hyperdispersant.

[0054] The preparation method of B flame retardant is:

[0055] After heating the temperature of the high mixer to 80°C, stop heating, dry aluminum hypophosphite and melamine cyanurate with a mass ratio of 4:9 in an oven at 105°C for 2 hours, then pour it into the high mixer and mix it, and pour it onto the surface of the mixture Add a hydrophobic modifier, stir and mix at 800 rpm, stop stirring when the temperature of the high mixer rises to 120°C, and discharge while hot to obtain the B flame retardant.

[0056] The preparation method of the halogen-free flame-retardant TPU cable material comprises ...

Embodiment 2

[0061] In this embodiment, a halogen-free flame-retardant TPU cable material is provided, and the preparation raw materials of the halogen-free flame-retardant TPU cable material include the following components by weight:

[0062]

[0063] Wherein the B flame retardant is aluminum hypophosphite and melamine cyanurate modified by a controlled radical silane hyperdispersant.

[0064] The preparation method of B flame retardant is:

[0065] After heating the temperature of the high mixer to 100°C, stop heating, dry the aluminum hypophosphite and melamine cyanurate with a mass ratio of 4:11 in an oven at 105°C for 2 hours, then pour it into the high mixer for mixing, and pour it onto the surface of the mixture Add the hydrophobic modifier, stir and mix at 900 rpm, stop stirring when the temperature of the high mixer rises to 120°C, and discharge while hot to obtain the B flame retardant.

[0066] The preparation method of the halogen-free flame-retardant TPU cable material co...

Embodiment 3

[0071] In this embodiment, a halogen-free flame-retardant TPU cable material is provided, and the preparation raw materials of the halogen-free flame-retardant TPU cable material include the following components by weight:

[0072]

[0073] Wherein the B flame retardant is aluminum hypophosphite and melamine cyanurate modified by a controlled radical silane hyperdispersant.

[0074] The preparation method of B flame retardant is:

[0075] After heating the temperature of the high-mixer to 90°C, stop heating, dry aluminum hypophosphite and melamine cyanurate with a mass ratio of 2:3 in an oven at 110°C for 2.5 hours, then pour into the high-mixer for mixing, and add to the mixture Add a hydrophobic modifier to the surface, stir and mix at 1000 rpm, stop stirring when the temperature of the high mixer rises to 115°C, and discharge while hot to obtain the B flame retardant.

[0076] The preparation method of the halogen-free flame-retardant TPU cable material comprises the fo...

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Abstract

The invention provides a halogen-free flame-retardant TPU (thermoplastic polyurethane) cable material as well as a preparation method and application thereof. The halogen-free flame-retardant TPU cable material is prepared from the following raw materials in parts by weight: 54 to 79 parts of a thermoplastic polyurethane elastomer, 7 to 11 parts of a flame retardant A, 7 to 18 parts of a flame retardant B, 5 to 10 parts of a compatilizer and 1 to 5 parts of a smoke suppressant, The flame retardant A is a phosphorus flame retardant, and the flame retardant B is a modified phosphorus-nitrogen composite flame retardant. The halogen-free flame-retardant TPU cable material disclosed by the invention not only has good flame retardance and smoke suppression, but also has the characteristics of migration resistance, hydrolysis resistance and high flexibility, and is suitable for multiple fields of cables, shoe materials or medical materials and the like.

Description

technical field [0001] The invention belongs to the technical field of thermoplastic polyurethane elastomers, and relates to a halogen-free flame-retardant TPU cable material and its preparation method and application, in particular to a low-smoke halogen-free flame-retardant TPU cable material and its preparation method and application. Background technique [0002] Thermoplastic polyurethane elastomer is a new type of (AB)n block linear copolymer. The English name is Themoplastic Polyurethane, referred to as TPU. It is widely used in many fields such as cables, shoe materials, films, and medical treatment. [0003] In the field of cables, because TPU material is a flammable material, the limiting oxygen index (LOI) is only about 20%, and there are many disadvantages such as serious dripping, easy to continue burning, large smoke, strong and toxic smell, etc. With the emphasis on environmental protection and safety in various fields, although the traditional bromine antimo...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08L75/06C08L51/00C08L51/06C08K5/5333C08K3/20C08K9/06C08K3/32C08K5/3492C08K13/06C08K5/523H01B3/30
CPCC08L75/08C08L75/06H01B3/302C08L2201/02C08L2201/22C08L2203/202C08L2205/03
Inventor 钱洪祥钱建中周伟王强史献峰万鹏程
Owner 福建汇得新材料有限公司
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