Foodstuff sanitation-stage enhancement type elastic waterstop material for civil engineering deformation joint

A technology of food sanitation and civil engineering, which is applied in the field of hydraulic materials and rubber products, can solve problems such as different compositions, unspecified waterstops, and natural hazards, so as to improve elasticity, improve waterstop effect, and improve mechanics The effect of intensity

Inactive Publication Date: 2009-12-09
陈尔凡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, various product formulas and compositions are varied, and waterstop / material product standards have not been stipulated. The application of products that do not meet the relevant food hygiene requirements will bring certain harm to humans and nature.

Method used

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  • Foodstuff sanitation-stage enhancement type elastic waterstop material for civil engineering deformation joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Roll 100 parts of EPDM raw rubber on an open mill, mix 2 parts of T-ZnOw, 50 parts of CB, 1 part of SA and 20 parts of liquid EPDM operating oil and compound accelerator 0.5 parts of M+1.5 parts of TMTD and 1.5 parts Part S is added in sequence and kneaded evenly for the next tablet. Then, it is vulcanized on a flat vulcanizer (160°C×15min×15MPa), and the film is removed.

Embodiment 2

[0026] Roll 100 parts of EPDM raw rubber on an open mill, and mix 1 part of T-ZnOw, 45 parts of CB, 0.5 parts of SA and 5 parts of naphthenic oil operating oil and composite accelerator 3 parts of M+1 part of TMTD and 0.5 part of S was added in sequence and kneaded evenly. Then, it is vulcanized on a flat vulcanizer (160°C×15min×15MPa), and the film is removed.

Embodiment 3

[0028] Roll 100 parts of EPDM raw rubber on the open mill, mix 10 parts of T-ZnOw, 80 parts of CB, 3 parts of SA and 30 parts of liquid EPDM operating oil and compound accelerator 0.5 parts of M+1.5 parts of CZ and 1.5 parts Part S is added in sequence and kneaded evenly for the next tablet. Then, it is vulcanized on a flat vulcanizer (160°C×15min×15MPa), and the film is removed.

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Abstract

The invention relates to an enhanced elastic sealing material of food hygiene grade for civil engineering deformation joint, aiming at increasing the strength and durability of the elastic sealing material to meet the food sanitation requirements. The sealing material comprises one hundred portions of Ethylene-Propylene-Diene Monomer (EPDM), forty-five to eighty portions of carbon black, one to ten portions of tetra-pod like zinc oxide whisker, 0.5 to three portions of stearic acid, five to thirty portions of operating oil, and 0.5 to five portions of sulfur and two to four portions of compound accelerant. The physical and sanitation properties of the sealing material meet or surpass relative requirements of national standard. The elastic sealing materials of the invention is provided with an enhanced mechanical strength and elasticity (deformation), a prolonged service time, simple production and construction technology, guarantying and enhancing the water sealing effect so as to reduce the cost of water sealing project and meanwhile meet the food sanitation requirements. The invention can be widely used for the waterproof and water sealing of construction joints, deformation joints and settlement joints in civil engineering like irrigation, underground and construction.

Description

technical field [0001] The invention relates to a hydraulic material and a rubber product, in particular to a food hygiene-grade reinforced elastic water-stop material used for civil engineering deformation joints. Background technique [0002] In the architectural design of civil engineering such as water conservancy, hydropower, dams, tunnels, culverts, subways, underground and municipal projects, construction joints, Settlement joints and deformation joints, water-stop measures must be taken at these joints to prevent leakage. [0003] Waterproof material is a kind of material prepared and applied to prevent water (substance) penetration (flow, diffusion), generally metal (copper, steel, etc.), polymer elastomer (rubber and rubber and plastic), plastic material or composite material. According to the product state of the material, it can be divided into: water stop belt, water stop board, water stop strip, sealing paste and water stop bar, etc. [0004] Among them, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/12C08L23/16C08K7/08E04B1/68C08K5/09C08K3/06C08K3/04
Inventor 陈尔凡诸葛妃陈永彰魏永庆张晓伟曲兴辉庄严易立李保华崔连升
Owner 陈尔凡
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