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Household fuel gas rubber hose and preparation method thereof

A rubber hose, gas technology, applied in the direction of hoses, pipes, mechanical equipment, etc., can solve the problems of hardening and brittleness, gas pipe degeneration, easy cracking and gas leakage, etc., to improve weather resistance, improve adequacy, improve The effect of rubber mechanical properties

Inactive Publication Date: 2018-04-13
WUXI YONGXING METAL HOSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, plastic pipes or reinforced composite pipes are widely used in domestic household non-metallic gas hoses. Since the plasticizers in plastic hoses have good compatibility with various types of gas, during use, the plasticizers will lose their strength over time. The continuous dissolution will lead to the denaturation of the gas pipe, that is, it will become hard and brittle, and it will easily crack and leak when it is bent, causing accidents and casualties

Method used

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  • Household fuel gas rubber hose and preparation method thereof

Examples

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Effect test

Embodiment 1

[0016] A household gas rubber hose, which has three layers of inner glue, middle glue and outer glue from inside to outside. The outer glue includes a rubber body and a filler, and the weight ratio of the rubber body to the filler is 45:12; The rubber body is formed by mixing chloroprene rubber, maleic acid grafting agent, and carbon disulfide modified titanate nanotubes; the filler includes zinc oxide, nano cerium oxide and auxiliary agents. Wherein, the auxiliary agent is formed by cross-linking starch, chitosan and titanium dioxide in a molar ratio of 2:3:1, and the molecular weight of the chitosan is 3000.

[0017] Specifically, the preparation method of carbon disulfide-modified titanate nanotubes is to react titanate nanotubes with sulfur dioxide at a molar ratio of 2:1, centrifuge, wash repeatedly with deionized water, and then wash with absolute ethanol, Vacuum dry and that's it.

[0018] The preparation method of the above-mentioned domestic gas rubber hose comprises...

Embodiment 2

[0021] A household gas rubber hose, which has three layers of inner glue, middle glue and outer glue from the inside to the outside. The outer glue includes a rubber body and a filler, and the weight ratio of the rubber body to the filler is 50:18; The rubber body is formed by mixing chloroprene rubber, maleic acid grafting agent, and carbon disulfide modified titanate nanotubes; the filler includes zinc oxide, nano cerium oxide and auxiliary agents. Wherein, the auxiliary agent is formed by cross-linking starch, chitosan and titanium dioxide in a molar ratio of 2:3:1, and the molecular weight of the chitosan is 4000.

[0022] Specifically, the preparation method of carbon disulfide-modified titanate nanotubes is to react titanate nanotubes with sulfur dioxide at a molar ratio of 3:1, centrifuge, wash repeatedly with deionized water, and then wash with absolute ethanol. Vacuum dry and that's it.

[0023] The preparation method of the above-mentioned domestic gas rubber hose c...

Embodiment 3

[0026] A household gas rubber hose, which has three layers of inner glue, middle glue and outer glue from inside to outside. The outer glue includes a rubber body and a filler, and the weight ratio of the rubber body to the filler is 56:20; The rubber body is formed by mixing chloroprene rubber, maleic acid grafting agent, and carbon disulfide modified titanate nanotubes; the filler includes zinc oxide, nano cerium oxide and auxiliary agents. Wherein, the auxiliary agent is formed by cross-linking starch, chitosan and titanium dioxide in a molar ratio of 2:3:1, and the molecular weight of the chitosan is 5000.

[0027] Specifically, the preparation method of carbon disulfide-modified titanate nanotubes is to react titanate nanotubes with sulfur dioxide at a molar ratio of 5:1, centrifuge, wash repeatedly with deionized water, and then wash with absolute ethanol. Vacuum dry and that's it.

[0028] The preparation method of the above-mentioned domestic gas rubber hose comprises...

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Abstract

The invention discloses a household fuel gas rubber hose and a preparation method thereof. The rubber hose is sequentially provided with an inner layer glue, a middle layer glue and an outer layer glue from inside to outside; the outer layer glue comprises a rubber body and a filler, wherein the weight ratio of the rubber body to the filler is 45-56:12-20; the rubber body is formed by mixing chloroprene rubber, a maleic acid grafting agent and a carbon disulfide modified titanate nanotube; the filler comprises an accelerant, an anti-aging agent and an auxiliary agent. The chloroprene rubber isput into a metal smelter to be heated to 150-180 DEG C, the maleic acid grafting agent is added and the mixture is uniformly stirred, and then the carbon disulfide modified titanate nanotube is added, stirring and filtering are performed, the mixture is fed into an extruder to extrude master batch; the master batch and the filler are added into a double-screw extruder, meanwhile the vulcanizationsteam released by the vulcanization tank is fed into the double-screw extruder, and the rubber hose is extruded. The rubber hose is used for resisting the irritation of a detergent in a kitchen, hightemperature resistance and edible oil infiltration, good in air tightness and strong in anti-fatigue capability.

Description

technical field [0001] The invention belongs to the technical field of rubber hose preparation, and in particular relates to a household gas rubber hose and a preparation method thereof. Background technique [0002] With the sustained and rapid development of my country's national economy in recent years, the demand for energy is also increasing year by year. As a new clean energy, natural gas has played a very good role in adjusting my country's energy structure, improving environmental pollution, facilitating people's lives, saving energy and reducing environmental pollution. Correspondingly higher requirements are put forward for household gas hoses. Household gas hose is an important part of the indoor gas system and plays a vital role in the safety of residents' indoor gas consumption. At present, plastic pipes or reinforced composite pipes are widely used in domestic household non-metallic gas hoses. Since the plasticizers in plastic hoses have good compatibility wi...

Claims

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Application Information

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IPC IPC(8): C08L11/00C08L3/02C08L5/08C08K13/06C08K3/22C08K7/24C08K9/02F16L11/06
CPCC08L11/00C08K2003/2213C08K2003/2241C08K2003/2296C08K2201/011C08L2203/18C08L2205/03F16L11/06C08L3/02C08L5/08C08K13/06C08K3/22C08K7/24C08K9/02
Inventor 王芳
Owner WUXI YONGXING METAL HOSE