阅读说明：本技术 一种耐高温芳纶输送带的制造方法 (Manufacturing method of high-temperature-resistant aramid fiber conveying belt ) 是由 庄炳建 沈会民 高长勇 叶杨政 于 2019-11-20 设计创作，主要内容包括：本发明涉及橡胶输送带技术领域,尤其是一种耐高温芳纶输送带的制造方法,具体步骤如下：配料：60-100份EPDM,5-40份EVA,10-30份氯磺化聚乙烯,40-80份炭黑,10-40份石蜡油或白油,3-7份过氧化物DCP,5-30份芳纶短纤维,0.5-3份助交联剂,5-15份防老剂；上述份数均为质量份数；塑炼：温度为120-150℃,塑炼压力为10-12MPa,塑炼时间为5-10min；混炼：温度为100-140℃,混炼3-5min；挤出成型,铺设芳纶布带芯,冷压成型；硫化：在硫化机内进行硫化,硫化温度为155-170℃,硫化时间为50-60min,压力为8-10MPa。本发明所得到的一种耐高温芳纶输送带的制造方法,其通过合理的配方设计,解决了EPDM与EVA之间的相容性问题,提升了EPDM与芳纶布带芯之间的粘合力。(The invention relates to the technical field of rubber conveying belts, in particular to a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which comprises the following specific steps: preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass; plasticating: the temperature is 120-; mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min; extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding; and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155-170 ℃ for 50-60min and under the pressure of 8-10 MPa. According to the manufacturing method of the high-temperature-resistant aramid fiber conveying belt, the problem of compatibility between EPDM and EVA is solved through reasonable formula design, and the adhesive force between EPDM and an aramid fiber cloth belt core is improved.)

1. a manufacturing method of a high-temperature-resistant aramid fiber conveying belt is characterized by comprising the following steps: the method comprises the following specific steps:

preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass;

plasticating: the temperature is 120-;

mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min;

extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;

and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155-170 ℃ for 50-60min and under the pressure of 8-10 MPa.

2. The manufacturing method of the high-temperature-resistant aramid fiber conveying belt as claimed in claim 1, characterized in that: the carbon black is one or a mixture of two of N220 and N300, and the mixing ratio of the N220 to the N300 is 1: 1-3.

Technical Field

The invention relates to the technical field of rubber conveying belts, in particular to a manufacturing method of a high-temperature-resistant aramid fiber conveying belt.

Background

Disclosure of Invention

The invention aims to solve the technical defects and provide a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which can effectively improve the high-temperature-resistant capability of the conveying belt.

In order to achieve the purpose, the invention designs a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which comprises the following specific steps:

preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass;

plasticating: the temperature is 120-;

mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min;

extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;

and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155-170 ℃ for 50-60min and under the pressure of 8-10 MPa.

Wherein the carbon black can be one or a mixture of two of N220 and N300, and the mixing ratio of N220 to N300 is 1: 1-3.

According to the manufacturing method of the high-temperature-resistant aramid fiber conveying belt, the problem of compatibility between EPDM and EVA is solved through reasonable formula design, and the adhesive force between EPDM and an aramid fiber cloth belt core is improved.

The EVA is added into the EPDM, so that the high temperature resistance of the rubber can be effectively improved, the high temperature resistance of the original EPDM is at 220 ℃ of 180-.

Detailed Description

The invention is further described below by way of examples.