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TPE composition for coating luggage cloth and preparation method of TPE composition

A composition and coating technology, applied in the direction of textiles and papermaking, etc., can solve problems affecting the service life of bags, shedding, cracking of TPE coating, etc., to prolong service life, improve tensile strength, enhance aging resistance and durability The effect of tear properties

Active Publication Date: 2021-10-26
QUANZHOU TIANQIN BAGS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing bags coated with TPE materials are prone to cracking and falling off after a long period of use, and there are defects that affect the service life of the bags.

Method used

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  • TPE composition for coating luggage cloth and preparation method of TPE composition
  • TPE composition for coating luggage cloth and preparation method of TPE composition
  • TPE composition for coating luggage cloth and preparation method of TPE composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A kind of TPE composition for bag cloth coating is prepared by the following steps:

[0061] Step 1: Add 105kg of TPE, 5.7kg of phenylalanine, 4.6kg of dicyclohexylmethane diisocyanate, 3.2kg of potassium stearate, and 2kg of coumarone resin into the high-mixer, and control the temperature at 80°C. After mixing evenly, obtain the first mixture;

[0062] Step 2: Add the first mixture to a twin-screw extruder for extrusion granulation. The screw speed is 300r / min, the temperature is controlled at 225°C, and the material is discharged after cooling for 20s to obtain a TPE composition for bag cloth coating.

Embodiment 2

[0064] A kind of TPE composition for bag cloth coating is prepared by the following steps:

[0065] Step 1: Add 127kg of TPE, 1.3kg of phenylalanine, 12.8kg of dicyclohexylmethane diisocyanate, 0.4kg of potassium stearate, and 7kg of coumarone resin into the high-mixer, and control the temperature at 100°C. After mixing evenly, After cooling for 20s, the material is discharged to obtain the first mixture;

[0066] Step 2: Add the first mixture to a twin-screw extruder for extrusion granulation. The screw speed is 300r / min, the temperature is controlled at 195°C, and the material is discharged after cooling for 20s to obtain a TPE composition for bag cloth coating.

Embodiment 3

[0068] A kind of TPE composition for bag cloth coating is prepared by the following steps:

[0069] Step 1: Add 111kg of TPE, 2kg of phenylalanine, 5.9kg of dicyclohexylmethane diisocyanate, 2.8kg of potassium stearate, and 3.2kg of coumarone resin into the high-mixer, and control the temperature at 95°C. After mixing evenly, obtain the first mixture;

[0070] Step 2: Add the first mixture to a twin-screw extruder for extrusion granulation. The screw speed is 300r / min, the temperature is controlled at 200°C, and the material is discharged after cooling for 20s to obtain a TPE composition for bag cloth coating.

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Abstract

The invention relates to the field of luggage production, in particular to a TPE composition for coating luggage cloth and a preparation method of the TPE composition. The TPE composition for coating the luggage cloth is prepared from the following components in parts by weight: 105-127 parts of TPE, 0.4-3.2 parts of a stabilizer, 1.3- to 5.7 parts of phenylalanine, 2-7 parts of a softening agent and 4.6-12.8 parts of dicyclohexylmethane diisocyanate. The preparation method comprises the following steps that firstly, the raw materials are mixed, the temperature is controlled at 80-100 DEG C, and uniformly stirring is carried out to obtain a first mixture; and then extrusion granulation is carried out on the first mixture, the temperature is controlled at 195-225 DEG C, and discharging is carried out to obtain the TPE composition for coating the luggage cloth. The TPE composition for coating luggage cloth and the preparation method of the TPE composition have the effects that the overall mechanical property of the TPE coating is enhanced, and meanwhile, the service life of luggage coated with TPE is prolonged to a certain extent.

Description

technical field [0001] The application relates to the field of polymer materials, more specifically, it relates to a TPE composition for coating bag cloth and a preparation method thereof. Background technique [0002] Fabric coating is a special process that makes the surface of the fabric form a layer of uniform covering rubber, so that the fabric is more waterproof and windproof. [0003] At present, in the coating process of luggage fabrics, the polymer materials used mainly include polyethylene, polyvinyl chloride, polyvinyl acetate, polyurethane, etc. The weather resistance and low temperature performance are poor, the polyvinyl acetate coating feels hard, the price of the polyurethane coating is high, and the yellowing resistance, acid resistance and alkali resistance are not good, so the above polymer materials are not very ideal at this stage Cloth coated material. [0004] Thermoplastic elastomer TPE, also known as artificial rubber or synthetic rubber, has been ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/10D06N3/12D06N3/00
CPCD06N3/106D06N3/125D06N3/0061D06N3/0063D06N2209/103D06N2209/16Y02W90/10
Inventor 董青王志峰许荣清董练
Owner QUANZHOU TIANQIN BAGS CO LTD
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