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Polylactic acid fiber fabric for automobile seat cushion

A technology of polylactic acid fiber and car seat cushion, applied in the field of textiles, can solve the problems of failing to meet the standards of car interiors, and achieve the effects of good heat resistance and flame retardant effect, easy industrial operation and good spinnability

Inactive Publication Date: 2016-10-12
张蒙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polylactic acid is extremely flammable, and its limiting oxygen index is only 19%, which cannot meet the standards for automotive interiors.

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of a heat-resistant and flame-retardant polylactic acid fiber fabric for an automobile seat cushion, the steps are as follows:

[0026] (1) Raw materials are prepared according to the following parts by weight, and then added to a high-speed mixer to disperse evenly to obtain a modified polylactic acid mixed raw material:

[0027] PLA polylactic acid 86 parts;

[0028] 3 parts of sisal fiber powder;

[0029] 0.8 parts of bamboo powder;

[0030] 0.5 parts of stachyose;

[0031] 0.8 parts of mica powder;

[0032] 1 part of CMA flame retardant;

[0033] (2) Melt, blend and extrude the above-mentioned homogeneously mixed modified polylactic acid mixed raw materials through a twin-screw extruder to obtain a modified polylactic acid masterbatch, and dry it in a vacuum. Modified polylactic acid fiber obtained by hole spinning;

[0034] The spinning temperature is 220°C, the winding speed is 1600m / min; the drawing temperature is 85°C, and the draw rat...

Embodiment 2

[0038] A preparation method of a heat-resistant and flame-retardant polylactic acid fiber fabric for an automobile seat cushion, the steps are as follows:

[0039] (1) Raw materials are prepared according to the following parts by weight, and then added to a high-speed mixer to disperse evenly to obtain a modified polylactic acid mixed raw material:

[0040] PLA polylactic acid 80 parts;

[0041] 2 parts sisal fiber powder;

[0042] 0.8 parts of bamboo powder;

[0043] 0.8 parts of stachyose;

[0044] 0.8 parts of mica powder;

[0045] 1 part of CMA flame retardant;

[0046] (2) Melt, blend and extrude the above-mentioned homogeneously mixed modified polylactic acid mixed raw materials through a twin-screw extruder to obtain a modified polylactic acid masterbatch, and dry it in a vacuum. Modified polylactic acid fiber obtained by hole spinning;

[0047] The spinning temperature is 220°C, the winding speed is 1600m / min; the drawing temperature is 85°C, and the draw ratio ...

Embodiment 3

[0051] A preparation method of a heat-resistant and flame-retardant polylactic acid fiber fabric for an automobile seat cushion, the steps are as follows:

[0052] (1) Raw materials are prepared according to the following parts by weight, and then added to a high-speed mixer to disperse evenly to obtain a modified polylactic acid mixed raw material:

[0053] PLA polylactic acid 85 parts;

[0054] 3 parts of sisal fiber powder;

[0055] 0.8 parts of bamboo powder;

[0056] 0.6 parts of stachyose;

[0057] 0.8 parts of mica powder;

[0058] 1 part of CMA flame retardant;

[0059] (2) Melt, blend and extrude the above-mentioned homogeneously mixed modified polylactic acid mixed raw materials through a twin-screw extruder to obtain a modified polylactic acid masterbatch, and dry it in a vacuum. Modified polylactic acid fiber obtained by hole spinning;

[0060] The spinning temperature is 220°C, the winding speed is 1600m / min; the drawing temperature is 85°C, and the draw rat...

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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Abstract

The invention discloses a preparation method of a heat-resistant and flame-retardant polylactic acid fiber fabric for an automobile seat cushion. The method comprises the following steps of (1) preparing raw materials in parts by weight: 80 to 86 parts of PLA polylactic acid, 2 to 3 parts of sisal fiber powder, 0.8 part of bamboo powder, 0.5 to 0.8 part of lupeose, 0.8 part of mica powder and 1 part of CMA flame-retardant agnets; then, adding the materials into a high-speed mixing machine to be uniformly dispersed to obtain modified polylactic acid mixed raw materials; (2) performing melt blending and extrusion on the uniformly mixed polylactic acid mixed raw materials through a double-screw extruding machine to prepare modified polylactic acid master batches; performing vacuum drying; performing spinning on the mixture on a melt spinning machine through round spinning holes to obtain modified polylactic acid fiber, wherein the spinning temperature is 220 DEG C, the winding speed is 1600 m / min, the traction temperature is 85 DEG C, and the traction times is 2.5 times; (3) spinning the modified polylactic acid fiber into an automobile seat cushion fabric.

Description

technical field [0001] The invention relates to a polylactic acid fiber fabric for automobile seat cushions, which belongs to the field of textiles. Background technique [0002] The raw material of polylactic acid fiber (PLA) is lactic acid obtained from cornstarch, so this fiber is also called corn fiber, which can be made from sugar beets or grains through glucose fermentation to reduce the cost of preparing lactic acid polymers. Polylactic acid with high molecular weight can be obtained by chemical polymerization of cyclic dimer of lactic acid or direct polymerization of lactic acid. Products made from polylactic acid have good biocompatibility and bioabsorbability, as well as bacteriostasis and flame retardancy, and PLA has the best heat resistance among degradable thermoplastic polymer materials. [0003] With the improvement of people's living standards and the continuous development and progress of human transportation technology, people's demand and dependence on v...

Claims

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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Application Information

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IPC IPC(8): D01F6/92D01F1/10D01F1/07D01D5/08D01D5/12D01D7/00
CPCD01F6/92D01D5/08D01D5/12D01D7/00D01F1/07D01F1/10
Inventor 张蒙
Owner 张蒙
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