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Low-calorific-value and flame-retardant thermoplastic elastomer composition

An elastomer and composition technology, applied in the field of flame retardant materials, can solve problems such as unsatisfactory mechanical properties and processability, and achieve the effects of low thermal decomposition smoke density, low combustion calorific value, and less harmful gases

Active Publication Date: 2018-03-20
上海睿麒塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the alkali metal hydroxide flame retardant is used, the mechanical properties and processability are often unsatisfactory

Method used

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  • Low-calorific-value and flame-retardant thermoplastic elastomer composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The components of the low calorific value flame retardant elastomer composition of this embodiment include 60 parts of hydrated magnesium aluminum oxide, 10 parts of phenyl silicone oil, 5 parts of SBS, 5 parts of SBS-MAH, 2 parts of coupling agent solution, 3.5 parts of zinc borate in water 2 parts, 0.5 parts of polytetrafluoroethylene powder.

[0024] The manufacturing method includes the following steps:

[0025] Step 1. Add hydrated magnesium aluminum oxide, 3.5 hydrated zinc borate and silane coupling agent solution into a high-speed mixer and mix for 20±2 minutes at a mixing temperature of 100-120° C. and a mixing speed of 1300 r / min. Discharging, cooling to room temperature to obtain activated powder;

[0026] Step 2. Add SBS, SES-MAH, and phenyl silicone oil to a high-speed mixer and mix for 15±2min at 60-80°C. The mixing speed is 650r / min. Add activated powder and polytetrafluoroethylene powder and continue mixing for 5±1min. Speed ​​1300r / min, discharge, obt...

Embodiment 2

[0030] The components of the low calorific value flame retardant elastomer composition of this embodiment include 70 parts of hydrated magnesium aluminum oxide, 15 parts of phenyl silicone oil, 10 parts of SBS, 2 parts of SEBS-MAH, 1 part of coupling agent solution, 3.5 parts of zinc borate in water 1 part, 0.2 part of polytetrafluoroethylene powder.

[0031] Manufacturing method is the same as embodiment 1.

Embodiment 3

[0033] The components of the low calorific value flame retardant elastomer composition of this embodiment include 80 parts of hydrated magnesium aluminum oxide, 20 parts of phenyl silicone oil, 8 parts of SEBS, 3 parts of SEBS-MAH, 1.5 parts of coupling agent solution, 3.5 parts of zinc borate in water 2 parts, 0.5 parts of polytetrafluoroethylene powder,

[0034] Manufacturing method is the same as embodiment 1.

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Abstract

The invention belongs to the technical field of flame-retardant materials and aims to provide a low-calorific-value and flame-retardant thermoplastic elastomer composition. According to the low-calorific-value and flame-retardant thermoplastic elastomer composition provided by the invention, through the technical means of synergistic flame retardation of a plurality of components, elastomer plastifying and flow aiding, inorganic powder activation, extrusion blending of a plurality of components and the like, the components such as flame-retardant inorganic substances are uniformly dispersed ina highly plasticized elastomer continuous phase. The activation, flow aiding, dispersion and molding of the powder of the components in the composition are realized under the effect of high-speed mixing and melt mixing. The prepared elastomer composition has excellent flame retardation and shock resistance, high hot melting fluidity and remarkably high cost performance. The elastomer compositionis in a form of regular particles, and the particles are free of adhesion, thereby facilitating conveying in a processing process.

Description

technical field [0001] The invention belongs to the technical field of flame retardant materials, and relates to a low calorific value flame retardant elastomer composition. Background technique [0002] Thermoplastic elastomer material is a type of elastomer that has the elasticity of rubber at room temperature and can be plasticized at high temperature. It can be directly molded to prepare soft rubber parts, cushioning parts or shock-absorbing parts, and can also be used together with other plastic materials. Mixing or compounding improves the toughness and impact resistance of plastic products. Generally, thermoplastic elastomers are flammable. When a fire occurs, a large amount of heat can be released, accompanied by smoke and poisonous gas. In the prior art, halogen-based and phosphorus-nitrogen-based flame retardants are used to flame-retardant elastomers, which have good flame-retardant effects, but when a fire occurs, heat release is still significant, and a large a...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L53/02C08L51/00C08L27/18C08K9/06C08K3/22C08K3/38
CPCC08K2003/2224C08K2003/2227C08K2003/387C08L83/04C08L2201/02C08L2205/035C08L53/02C08L53/025C08L51/006C08L27/18C08K9/06C08K3/22C08K3/38
Inventor 翟道兴
Owner 上海睿麒塑业有限公司
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