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High-temperature-resistant non-adhesive conveying belt and preparation method thereof

A conveyor belt, high temperature resistant technology, applied in the field of high temperature resistant non-adhesive conveyor belt and its preparation, can solve the problems of poor compatibility, material adhesion, affecting the bonding strength of the covering rubber layer and the skeleton layer, etc., to achieve high adhesion Strong, good oil-repellent effect

Inactive Publication Date: 2020-04-21
上海米莜凯自动化装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The addition of short aramid fibers in the above patents makes the covering rubber have better wear resistance. However, due to the large difference in structure between aramid fiber and rubber, the compatibility with rubber is poor, which will seriously affect the covering rubber. Adhesion strength between the glue layer and the skeleton layer
When it is used in the baking industry, it is necessary to transport food at a high temperature of 200-250°C. The softening or melting of the surface material of the covering adhesive layer will cause adhesion to the material, and foaming and peeling between the covering adhesive layer and the skeleton are prone to occur. Or the phenomenon of shedding is not conducive to the transportation of materials

Method used

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  • High-temperature-resistant non-adhesive conveying belt and preparation method thereof
  • High-temperature-resistant non-adhesive conveying belt and preparation method thereof
  • High-temperature-resistant non-adhesive conveying belt and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0043] Embodiment 1: A high temperature resistant non-adhesive conveyor belt, comprising a fabric layer, an adhesive layer on both sides of the fabric layer, a rubber layer fixed on the adhesive layer, and a coating coated on the surface of the rubber layer. Wherein the material of fabric layer adopts polyester fiber, the material of adhesive layer adopts PU agent, each component and its weight parts in rubber layer are as shown in table 1. The high temperature resistant non-adhesive conveyor belt is prepared through the following steps:

[0044] S1, drying the polyester fibers at a drying temperature of 170°C, a vehicle speed of 15m / min, and a tension of 280kg to obtain a fabric layer for later use;

[0045] S2, apply PU glue evenly on the front and back of the fabric layer, the coating amount is 200g / m 2 , the vehicle speed is 15m / min, the temperature is 150°C, and the tension is 290kg, so that an adhesive layer is formed on both sides of the fabric layer;

[0046]S3, mix ...

Embodiment 2-6

[0052] Embodiment 2-6: A high temperature resistant non-adhesive conveyor belt. The difference from Embodiment 1 is that the components in the rubber layer and their corresponding parts by weight are shown in Table 1.

[0053] Each component of rubber layer and parts by weight thereof in table 1 embodiment 1-6

[0054]

Embodiment 7

[0055] Embodiment 7: A high-temperature-resistant non-adhesive conveyor belt, the difference from Embodiment 1 is that the antioxidant uses 0.1 part of antioxidant GHT.

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Abstract

The invention discloses a high-temperature-resistant non-adhesive conveying belt and a preparation method thereof, and relates to the technical field of conveying belt processing. The high-temperature-resistant non-adhesive conveying belt comprises a fabric layer, adhesive layers arranged on the two sides of the fabric layer, rubber layers fixed to the adhesive layers and coatings applied to the surfaces of the rubber layers in a coating manner, the fabric layer is made of polyester fibers, the adhesive layers are made of a PU agent, and each rubber layer is prepared from, by weight, 80-100 parts of polyester type TPU, 5-10 parts of silicone oil, 0.1-0.3 part of an antioxidant, 0.1-1 part of a lubricant, 1-3 parts of a compatilizer and 1-5 parts of a filler; and each coating adopts 0.5-1 part of polyurethane acrylate. The conveying belt is prepared by using the above formula, and the surface of the conveying belt is coated with the oleophobic coating, so that the obtained conveying belt has advantages of good high temperature resistance and no material adhesion.

Description

technical field [0001] The invention relates to the technical field of conveyor belt processing, more specifically, it relates to a high-temperature-resistant non-adhesive conveyor belt and a preparation method thereof. Background technique [0002] Conveyor belt is a part of belt conveyor used to carry materials and transmit traction. It is made of specially treated polyester composite fabric as the load-bearing skeleton, coated with PU / PVC resin as the load-bearing surface. As a light conveyor belt, PVC conveyor belt has been widely used in many industries due to its advantages of light weight, long life, good flame retardancy, and less friction. [0003] The Chinese patent with authorized notification number CN101028888B discloses a high temperature resistant conveyor belt, the working surface covering rubber includes: 80-100 parts of binary ethylene propylene rubber; 0-20 parts of EPDM rubber; 4-8 parts of peroxide Dicumyl; 1-3 parts of triallyl isocyanurate; 5-30 part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/02B32B27/12B32B27/20B32B27/40B32B33/00B32B7/12B65G15/32B29D7/01B32B27/36C08L75/06C08L83/04C08K13/02C08K3/36C08K3/26C09D175/14
CPCB29D7/01B32B5/02B32B7/12B32B27/12B32B27/20B32B27/40B32B33/00B32B2255/10B32B2255/26B32B2262/0276B32B2307/306B32B2307/7265B32B2433/02B65G15/32C08K2003/265C08K2201/011C08L75/06C08L2205/03C09D175/14C08L83/04C08K13/02C08K3/36C08K3/26
Inventor 强亮
Owner 上海米莜凯自动化装备有限公司
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