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Impregnation formula, impregnation production method and impregnation technology for high temperature resistant conveyer belt

A production method and production process technology, applied in the field of canvas dipping formula, can solve the problems of poor high temperature resistance and other problems, and achieve the effect of long service life and good high temperature aging performance

Active Publication Date: 2013-02-27
浙江尤夫科技工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a dipping formula, production method and dipping process for high temperature resistant conveyor belts, so as to overcome the shortcomings of poor high temperature resistance in the prior art

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] Embodiments of the invention: the formula of the present invention comprises a first bath formula and a second bath formula, and the formula is as follows in parts by weight:

[0052] The first bath formulation of the high heat-resistant two-bath dipping method can be formulated and produced according to the following parts by weight:

[0053] The RF resin formula is as follows:

[0054] soft water 418.4;

[0055] Sodium hydroxide 5% 10.3;

[0056] Resorcinol solids 18.8;

[0057] Formaldehyde 37% 26.9

[0058] The RF resin is formulated as follows:

[0059] 1. Put a certain amount of soft water into the reaction tank first. The water temperature is controlled at 20°C + / - 1°C

[0060] 2. Dissolve a certain amount of soft water with a certain amount of sodium hydroxide, prepare an aqueous solution with a concentration of about 5%, put it into the reaction tank, and stir and mix for 5 minutes. Stirring speed: 60 rpm

[0061] 3. Dissolve a certain amount of resorcino...

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Abstract

The invention discloses an impregnation formula, an impregnation production method and an impregnation technology for a high temperature resistant conveyer belt. The impregnation technology comprise the following steps that: a impregnation machine contains 5 drying heat treatment baking oven and is equipped with far-infrared predrying; after put on the machine, canvas is unwound with a unwinding tension force of 100kg, and passes through a cloth storage rack with a cloth storage tension force of 160kg; the canvas is impregnated through a impregnation station with a impregnation compression roller pressure of 1000kg; after the impregnation residual slurries are sucked through a vacuum suction with a degree of vacuum of 20MPa; after suction, the canvas enters into far-infrared preheat baking ovens with baking oven temperature preset to 65 DEG C. An impregnation speed is 5m / min; the unwinding tension force is 100kg / m; a dipping adhesive amount of a first bath is 0.7%; a first bath drying temperature is 150-160 DEG C, and a first bath heat treatment temperature is 210 DEG C; a second dipping adhesive amount is 4-6%; a second bath predrying temperature is 90 DEG C; a second bath predrying temperature is 150 DEG C; and a second bath heat treatment temperature is 210 DEG C.

Description

technical field [0001] The invention relates to a dipping formula, a dipping production method and a dipping process of a canvas used for a high-temperature-resistant rubber conveyor belt. It belongs to the technical field of industrial fabrics. Background technique [0002] Polyester industrial textiles use polyester industrial yarn as the main raw material. Polyester industrial yarn has become the main raw material of industrial textiles due to its high strength, high modulus, high temperature resistance and other excellent properties. Mechanical rubber products-rubber conveyor belts, transmission belts 1. The skeleton material necessary for rubber hoses has been basically polyesterized at present. The melting point of polyester material is 264°C, and it has good heat resistance. Therefore, polyester dipped canvas has generally replaced the earlier cotton canvas, and it has shown its strong advantages in the application fields of various high-temperature resistant conveyo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/564D06M15/41C08G8/22D06N3/18D06M101/32
Inventor 茅惠新
Owner 浙江尤夫科技工业有限公司
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