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Preparation method of TPU composite material for oil storage bag

A composite material and oil storage bag technology, applied in chemical instruments and methods, applications, household appliances, etc., can solve unsatisfactory peel strength and oil resistance, unenvironmental protection of materials, high and low temperature resistance and tensile strength Good and other problems, to achieve good wear resistance and tensile strength, high peel strength, and better weather resistance

Active Publication Date: 2016-11-23
CTA HI TECH TEXTILES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing soft oil bladder materials on the market are still made of PVC or rubber. This material has poor weather resistance, wear resistance, high and low temperature resistance and tensile strength, and the material is not environmentally friendly.
There are also a small number of TPU soft oil bladders on the market, but the peel strength and oil resistance are not satisfactory

Method used

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  • Preparation method of TPU composite material for oil storage bag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method of a TPU composite material for an oil storage bag, comprising the following steps:

[0030] (1) Squeeze or roll coat the adhesive layer on both sides of the skeleton layer, and then dry it at a temperature of 160°C; the drying time is 1 minute;

[0031] (2) pre-baking at a temperature of 140° C., the pre-baking time is 5 s, and then respectively extruding and casting the first side and the second side on both sides of the material obtained in the step (1), and the extrusion casting temperature is 190°C;

[0032] (3) The material obtained in the step (2) is laminated by a lamination roller, the pressure of the lamination roller is 5 bar, and the temperature of the lamination roller is 50 degrees;

[0033] (4) Heat and bake the material obtained in the step (3), the temperature of the heat and bake is 110° C., and the time of the heat and bake is 10 s.

[0034] Wherein, the first surface includes polyester TPU (385E, with a hardness of 85A), and th...

Embodiment 2

[0042] A preparation method of a TPU composite material for an oil storage bag, comprising the following steps:

[0043] (1) Squeeze or roll coat the adhesive layer on both sides of the skeleton layer, and then dry it at 170°C; the drying time is 2 minutes;

[0044] (2) Pre-baking at a temperature of 150° C., the pre-baking time is 6s, and then extrusion casting the first side and the second side on both sides of the material obtained in the step (1), the extrusion casting temperature is 195°C;

[0045] (3) The material obtained in the step (2) is laminated by a lamination roller, the pressure of the lamination roller is 6 bar, and the temperature of the lamination roller is 65 degrees;

[0046] (4) Heat and bake the material obtained in the step (3), the temperature of the heat and bake is 130°C, and the time of the heat and bake is 13s.

[0047] Wherein, the first surface includes polyester TPU (KDT-1190ARE, with a hardness of 90A), and the thickness of the first surface i...

Embodiment 3

[0055] A preparation method of a TPU composite material for an oil storage bag, comprising the following steps:

[0056] (1) Squeeze or roll coat the adhesive layer on both sides of the skeleton layer, and then dry it at 180°C; the drying time is 3 minutes;

[0057] (2) pre-baking at a temperature of 160° C., the pre-baking time is 10 s, and then extrusion casting the first side and the second side on both sides of the material obtained in the step (1), the temperature of extrusion casting is 200°C;

[0058] (3) The material obtained in the step (2) is laminated by a lamination roller, the pressure of the lamination roller is 5-7bar, and the temperature of the lamination roller is 80 degrees;

[0059] (4) Heat and bake the material obtained in the step (3), the temperature of the heat and bake is 140° C., and the time of the heat and bake is 15 s.

[0060] Wherein, the first surface includes polyester TPU (EX90A, hardness 90A), and the thickness of the first surface is 0.35m...

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Abstract

The invention provides a preparation method of a TPU composite material for an oil storage bag. The method comprises the following steps of (1) respectively coating a binding layer in a scraping way or a rolling way on two sides of a framework layer; then, performing drying at the drying temperature being 160 to 180 DEG C for 1 to 3 minutes; (2) performing pre-drying at the temperature being 140 to 160 DEG C for 5 to 10s; then, performing extrusion casting of the first surface and the second surface at the two sides of the material obtained in the first step, wherein the extrusion casting temperature is 190 to 200 DEG C; (3) pasting the material obtained in the second step by a laminating roller; (4) heating and baking the material obtained in the third step. The method overcomes the detects in the prior art, the production and preparation process is simple; the prepared product has better oil resistant performance, water resistant performance and weather resistant performance; the oil resistant performance is ensured; meanwhile, the hydrolysis resistant performance of products is improved.

Description

technical field [0001] The invention belongs to the field of composite materials for oil bladders, and in particular relates to a preparation method of TPU composite materials for oil storage bladders. Background technique [0002] Most of the existing soft oil bladder materials on the market are still made of PVC or rubber. This material has poor weather resistance, wear resistance, high and low temperature resistance and tensile strength, and the material is not environmentally friendly. There are also a small number of TPU soft oil bladders on the market, but the peel strength and oil resistance are not satisfactory. Contents of the invention [0003] In view of this, the present invention aims to propose a preparation method of TPU composite material for oil storage bag, to overcome the deficiencies of the prior art, the production and preparation process is simple, and the prepared product has better oil resistance, water resistance and weather resistance , while ens...

Claims

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Application Information

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IPC IPC(8): B32B27/40B32B27/20B32B27/08B32B27/02B32B37/12B32B37/06B32B37/10
CPCB32B27/08B32B27/20B32B27/40B32B37/06B32B37/10B32B37/12B32B2262/0276B32B2307/712B32B2307/73B32B2309/022B32B2309/025B32B2309/125B32B2439/70B32B2439/80
Inventor 李鹏胡国银张红芸曹书良
Owner CTA HI TECH TEXTILES
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