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A kind of elastic flame-retardant composite fabric and its preparation method and application

A flame retardant composite and fabric technology, applied in the field of composite fabrics, can solve problems such as the difficulty of reaching a smoke density level below 75, the inability to achieve the combustion characteristics of passenger car interior materials, and affecting the mechanical properties of materials, achieving strong adhesion and safe use. , the effect of high color fastness

Active Publication Date: 2016-12-07
HIGHTEX CO LTD ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the materials used for vehicle interior decoration and seat covers include artificial leather, genuine leather and polyester fabrics as the surface layer, and soft polyurethane foam as the elastic layer. The addition of a large amount of additives not only affects the mechanical properties of the material, but also makes it difficult to achieve a smoke density level below 75 during combustion, which greatly increases the hidden danger of fire. serious harm to the life safety of
In addition, if these materials are used as vehicle interior decoration and seat covers, etc., they will not meet the relevant national standard "Combustion Characteristics of Passenger Car Interior Materials" to be implemented

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of elastic flame-retardant composite fabric and its preparation method and application
  • A kind of elastic flame-retardant composite fabric and its preparation method and application

Examples

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preparation example Construction

[0025] The preparation of the flame-retardant and heat-insulating elastic polyester coil comprises the following steps:

[0026] Step 1. Phosphorus-based copolymerized permanent flame-retardant polyester chips with a phosphorus content of 7500-8500ppm, an intrinsic viscosity of 0.65-0.80dl / g, a melting point ≥ 240°C, diethylene glycol ≤ 3.0%, and a terminal carboxyl group ≤ 30mol / t Put it into the vacuum drum drying equipment, slowly heat up to 110-145°C under vacuum conditions, carry out pre-crystallization for 2-6 hours, then transfer to the packed drying tower, heat up to 140-165°C for 3-8 hours, and reach water Part content ≤ 30ppm; spinning temperature is 255 ~ 282 ℃, melted by screw extruder, statically mixed, filtered, enter the box metering pump for metering, extrude through "C" type hollow spinneret, and the temperature is 15 ~25℃, asymmetrical ring blowing and strong wind quenching at a speed of 1.5~4.5m / s to produce as-spun silk; after the asspun silk is balanced an...

Embodiment 1

[0037] Preparation of Flame Retardant and Heat Insulating Elastic Polyester Membranes

[0038] 1. Put phosphorus-based copolymerized permanent flame-retardant polyester chips (phosphorus content is 8500ppm) into vacuum drum drying equipment, slowly heat up to 110°C under vacuum conditions, perform pre-crystallization for 2 hours, and then transfer to filling drying In the tower, the temperature is raised to 140°C and dried for 3 hours to reach a moisture content of ≤30ppm; the spinning temperature is 255°C, and after being melted, statically mixed, and filtered by a screw extruder, it enters the metering pump of the box for metering, and passes through the "C" type hollow spray Slab extruded, quenched by an asymmetrical ring blowing strong wind at a temperature of 15°C and a speed of 1.5m / s to obtain as-spun silk; Flame-retardant three-dimensional spiral crimped hollow polyester fiber of 2-10D obtained by relaxation heat setting;

[0039] 2. Mix 85wt% of 2-10D flame-retardant...

Embodiment 2

[0043] Preparation of Flame Retardant and Heat Insulating Elastic Polyester Membranes

[0044] Step 1. Put phosphorus-based copolymerized permanent flame-retardant polyester chips (phosphorus content of 8000ppm) into vacuum drum drying equipment, and slowly heat up to 130°C under vacuum conditions for 4 hours of pre-crystallization, and then transfer to the filling type In the drying tower, the temperature is raised to 155°C and dried for 5 hours to reach a moisture content of ≤30ppm; the spinning temperature is 265°C, and after being melted, statically mixed, and filtered by a screw extruder, it enters the box for metering by a metering pump, and passes through a "C" type hollow The spinneret is extruded, and the as-spun yarn is obtained by quenching with asymmetrical ring blowing and strong wind at a temperature of 20°C and a speed of 3m / s; Flame-retardant three-dimensional spiral crimped hollow polyester fiber of 2-10D obtained by relaxation heat setting;

[0045] Step 2. ...

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Abstract

The invention discloses an elastic inflaming-retarding composite fabric which comprises a superficial layer, an elastic layer and a lining layer, wherein the superficial layer and the lining layer are respectively adjacent to the upper and lower faces of the elastic layer and adhered by an inflaming-retarding adhesive; and the superficial layer is made of an inflaming-retarding polyester fabric, the elastic layer is made of an inflaming-retarding thermal-insulation elastic polyester coiled material, and the lining layer is made of inflaming-retarding non-woven cloth. The invention also discloses a preparation method and an application of the elastic inflaming-retarding composite fabric. The elastic inflaming-retarding composite fabric provided by the invention is inflaming-retarding permanently, wherein a Limiting Oxygen Index (LOI) is no less than 32%, a smoke density level during combustion is not higher than 50, and toxicity of generated smoke is not lower than level ZA2. The elastic inflaming-retarding composite fabric has good rebound resilience and is applicable to interior decorations, seat covers and the like of traffic tools.

Description

technical field [0001] The invention relates to the technical field of composite fabrics, in particular to an elastic flame-retardant composite fabric and its preparation method and application. Background technique [0002] Vehicle interiors and seat covers are indispensable parts of vehicles. At present, the materials used for vehicle interior decoration and seat covers include artificial leather, genuine leather and polyester fabrics as the surface layer, and soft polyurethane foam as the elastic layer. The addition of a large amount of additives not only affects the mechanical properties of the material, but also makes it difficult to achieve a smoke density level below 75 during combustion, which greatly increases the hidden danger of fire. serious harm to life safety. In addition, if these materials are used as vehicle interior decoration and seat covers, etc., they will not meet the relevant national standard "Combustion Characteristics of Passenger Car Interior Mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A41D31/02B32B27/02B32B27/12B32B27/36B32B7/12B32B33/00B32B37/15B32B37/12
Inventor 兰其勇陆文龙何乐朱爱明蒋小云
Owner HIGHTEX CO LTD ZHEJIANG