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Low-temperature-resisting logistics conveyor belt and preparing method thereof

A conveyor belt, low temperature resistant technology, applied in the field of low temperature resistant logistics conveyor belt and its preparation, can solve the problems of shortened service life, surface cracks of conveyor belt, peeling of surface coating of conveyor belt, etc., and achieves long service life and overall weight Light and friction coefficient reduction effect

Active Publication Date: 2015-11-11
安徽艾艾精密工业输送系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The surface hardness of the logistics conveyor belt disclosed in the above-mentioned patent will increase sharply during use in a low-temperature environment (especially in an environment of -30°C to -40°C, such as winter in Northeast China), and the turning diameter will increase by more than 100%. Defects such as cracks on the surface of the conveyor belt lead to the peeling off of the surface coating of the conveyor belt and a serious shortening of the service life

Method used

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  • Low-temperature-resisting logistics conveyor belt and preparing method thereof
  • Low-temperature-resisting logistics conveyor belt and preparing method thereof
  • Low-temperature-resisting logistics conveyor belt and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] In this embodiment, a low-temperature-resistant logistics conveyor belt includes a middle skeleton fabric layer and a PVC composite coating impregnated in the middle skeleton fabric layer, wherein the middle skeleton fabric layer is a polyester fiber base cloth woven by double warp beams, The PVC composite coating includes the following components and parts by weight: 100 parts of PVC paste resin, 30 parts of plasticizer, 5 parts of heat stabilizer, 5 parts of liquid rubber, 1 part of rubber vulcanizing agent, 1 part of rubber vulcanization accelerator and resistance Fuel agent 10 parts.

[0039] Among them, the degree of polymerization of PVC paste resin is 1500, and under the condition of 30°C, the viscosity of type B is 6500mPa s, and the PVC paste resin of PSM-31 model is selected; the plastic agent is bis(2-ethylhexyl) phthalate (referred to as DOP), its molecular formula is C 24 h 38 o 4 , relative molecular mass is 390.5, relative density is 1.1706-1.178, visc...

Embodiment 2

[0053] In this embodiment, a low-temperature-resistant logistics conveyor belt includes a middle skeleton fabric layer and a PVC composite coating impregnated in the middle skeleton fabric layer, wherein the middle skeleton fabric layer is a polyester fiber base cloth woven by double warp beams, The PVC composite coating includes the following components and parts by weight: 100 parts of PVC paste resin, 25 parts of plasticizer, 5 parts of heat stabilizer, 10 parts of liquid rubber, 2 parts of rubber vulcanizing agent, 2 parts of rubber vulcanization accelerator and resistance Fuel agent 10 parts.

[0054] Among them, the degree of polymerization of the PVC paste resin is 1400, and under the condition of 30°C, the viscosity of type B is 4000mPa s, and the PVC paste resin of the PSM-31 model is selected; the plasticizer is bis(2-ethylhexyl) phthalate (referred to as DOP), its molecular formula is C 24 h 38 o 4 , relative molecular mass is 390.5, relative density is 1.1706-1....

Embodiment 3

[0068] In this embodiment, a low-temperature-resistant logistics conveyor belt includes a middle skeleton fabric layer and a PVC composite coating impregnated in the middle skeleton fabric layer, wherein the middle skeleton fabric layer is a polyester fiber base cloth woven by double warp beams, The PVC composite coating includes the following components and parts by weight: 100 parts of PVC paste resin, 55 parts of plasticizer, 5 parts of heat stabilizer, 10 parts of liquid rubber, 2 parts of rubber vulcanizing agent, 2 parts of rubber vulcanization accelerator and resistance Fuel agent 10 parts.

[0069] Among them, the degree of polymerization of PVC paste resin is 1200, and under the condition of 30°C, the viscosity of type B is 1500mPa s, and the PVC paste resin of PSM-31 model is selected; the plastic agent is bis(2-ethylhexyl) phthalate (referred to as DOP), its molecular formula is C 24 h 38 o 4 , relative molecular mass is 390.5, relative density is 1.1706-1.178, v...

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Abstract

The invention relates to a low-temperature-resisting logistics conveyor belt. The conveyor belt comprises a middle framework fabric layer and a PVC composite coating immersed in the middle framework fabric layer. The middle framework fabric layer is polyester fiber base cloth woven through double beams. The PVC composite coating comprises, by weight, 100 parts of PVC paste resin, 30-55 parts of plasticizer, 5-10 parts of heat stabilizer, 5-20 parts of liquid rubber, 1-4 parts of vulcanizer, 1-4 parts of thiofide and 1-10 parts of fire retardant. During preparation, the pre-shaped polyester fiber base cloth is immersed in the PVC composite coating thickener, extrusion is repeated for two to three times, coating drying and shaping are conducted, the back face is polished, and rolling is conducted. Compared with the prior art, under the low-temperature condition, the low-temperature-resisting logistics conveyor belt can still keep good elasticity and bending performance and is superior in abrasion resistance and low temperature resistance while hardness is increased less, and the technical problems that the surface hardness of a logistics conveyor belt is increased at the low-temperature environment, breaking occurs easily, the life service is short and the logistics conveyor belt is not resistant to abrasion are solved.

Description

technical field [0001] The invention belongs to the technical field of conveyor belt manufacture, and relates to a low-temperature resistant logistics conveyor belt and a preparation method thereof. Background technique [0002] At present, the e-commerce spawned by the Internet era has caused a blowout growth in online shopping, especially mobile shopping, which will become a major trend in the foreseeable future. The State Council issued the medium and long-term plan for the logistics industry (2014-2020). After 5 years, the development of the logistics industry has received the top-level design at the national strategic level. Compared with the logistics industry adjustment and revitalization plan in 2009, this plan not only has a time limit of 7 years for leadership and guidance, but also aims at the bottlenecks and prominent contradictions that restrict the development of the logistics industry at present and in the future. Precise, task advancement, project implementa...

Claims

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Application Information

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IPC IPC(8): B65G15/32D06M15/248D06M15/693D06M11/47D06M13/224D06M101/32
Inventor 涂木林涂国圣
Owner 安徽艾艾精密工业输送系统有限公司
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