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Household dish-washing machine corrosion-resistant medium

A dishwasher and corrosion-resistant technology, applied in the field of dishwashers, can solve problems such as affecting use, insufficient breakdown voltage, poor corrosion resistance to non-polar liquids, etc., to reduce diffusion rate, increase cross-linking density, The effect of inhibiting the rate of chemical reactions

Pending Publication Date: 2021-04-02
ANHUI JINGHONG SEAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The inlet and outlet pipes used in the dishwasher are widely exposed to washing liquid, and are required to be resistant to non-polar vegetable oils such as detergents, brighteners, and olive oil; the current inlet and outlet pipes are limited by the type of rubber, and their breakdown voltage is not enough. The liquid corrodes poorly, which seriously affects the use in domestic dishwashers

Method used

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  • Household dish-washing machine corrosion-resistant medium
  • Household dish-washing machine corrosion-resistant medium
  • Household dish-washing machine corrosion-resistant medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A corrosion-resistant medium for household dishwashers, comprising the following raw materials in parts by weight: 95 parts of raw rubber, 50 parts of filler, 20 parts of white carbon black, 1 part of S-801, N-cyclohexyl-2-benzothiazole sulfenamide 1 1 part of 2-mercaptobenzothiazole, 2 parts of plasticizer, 2 parts of antioxidant A, 5 parts of paraffin.

[0029] The filler is carbon black; the plasticizer includes dimethyl phthalate and dioctyl phthalate, and the mass ratio of dimethyl phthalate and dioctyl phthalate is 1:1; raw rubber For ethylene propylene rubber.

[0030] The preparation method of the above-mentioned corrosion-resistant medium for household dishwashers specifically includes the following steps:

[0031] (1) Cut the raw rubber into small pieces and add it to the internal mixer for internal mixing for 1 minute, then add S-80, N-cyclohexyl-2-benzothiazole sulfenamide, 2-mercaptobenzothiazole to the internal mixer and plasticizer, mixing for 1min;

...

Embodiment 2

[0037] A corrosion-resistant medium for household dishwashers, comprising the following raw materials in parts by weight: 100 parts of raw rubber, 55 parts of filler, 25 parts of white carbon black, 2 parts of S-802, 1.5 parts of N-cyclohexyl-2-benzothiazole sulfenamide 1.5 parts of 2-mercaptobenzothiazole, 3 parts of plasticizer, 4 parts of antioxidant A, and 6 parts of paraffin wax.

[0038] The filler is carbon black; the plasticizer includes dimethyl phthalate and dioctyl phthalate, and the mass ratio of dimethyl phthalate and dioctyl phthalate is 1:1; raw rubber For ethylene propylene rubber.

[0039] The preparation method of the above-mentioned corrosion-resistant medium for household dishwashers specifically includes the following steps:

[0040] (1) Cut the raw rubber into small pieces and add it to the internal mixer for internal mixing for 1 minute, then add S-80, N-cyclohexyl-2-benzothiazole sulfenamide, 2-mercaptobenzothiazole to the internal mixer and plasticiz...

Embodiment 3

[0046] A corrosion-resistant medium for household dishwashers, comprising the following raw materials in parts by weight: 100 parts of raw rubber, 55 parts of filler, 25 parts of white carbon black, 2 parts of S-802, 1.5 parts of N-cyclohexyl-2-benzothiazole sulfenamide 1.5 parts of 2-mercaptobenzothiazole, 3 parts of plasticizer, 4 parts of antioxidant A, and 7 parts of paraffin wax.

[0047] The filler is clay; the plasticizer includes dimethyl phthalate and dioctyl phthalate, and the mass ratio of dimethyl phthalate and dioctyl phthalate is 1:1; the raw rubber is Ethylene Propylene Rubber.

[0048] The preparation method of the above-mentioned corrosion-resistant medium for household dishwashers specifically includes the following steps:

[0049] (1) Cut the raw rubber into small pieces and add it to the internal mixer for internal mixing for 1 minute, then add S-80, N-cyclohexyl-2-benzothiazole sulfenamide, 2-mercaptobenzothiazole to the internal mixer and plasticizer, m...

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Abstract

The invention discloses a household dish-washing machine corrosion-resistant medium, and belongs to the technical field of dish-washing machines. The household dish-washing machine corrosion-resistantmedium is prepared from the following raw materials in parts by weight: 95-105 parts of raw rubber, 50-60 parts of filler, 20-30 parts of white carbon black, 1-2 parts of S-80, 1-2 parts of N-cyclohexyl-2-benzothiazole sulfonamide, 1-2 parts of 2-mercaptobenzothiazole, 2-5 parts of plasticizer, 2-6 parts of antiager A and 5-8 parts of paraffin. The product has the characteristics of olive oil resistance, excellent electric breakdown performance, high strength, good elasticity and good sealing performance, is already used for water inlet and outlet pipes of dishwashers in batches, is good in formula and structure manufacturability, and meets batch vulcanization production; the electric breakdown performance of the product reaches 7000 V, the effects of medium resistance, water resistance,aliphatic hydrocarbon resistance and aromatic hydrocarbon nonpolar vegetable oil resistance are excellent, and the sealing waterproof grade is IP67.

Description

technical field [0001] The invention relates to the technical field of dishwashers, in particular to a corrosion-resistant medium for household dishwashers. Background technique [0002] A dishwasher is a device that automatically cleans tableware such as bowls, chopsticks, plates, plates, knives, and forks. Fully automatic dishwashers on the market can be divided into two types: household and commercial. Household fully automatic dishwashers are only suitable for households, mainly including cabinet type, desktop type, integrated sink type and integrated type. At present, dishwashers have been widely used in SINOMACH and domestic markets, and water inlet and outlet pipes are widely used in household dishwashers. Because water pipes need to be resistant to various media, ethylene-propylene rubber has the best resistance to superheated water. Static rubber seals made of ethylene-propylene rubber are used in superheated water for 17,000 hours at 160-180°C and 20MPa pressure. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L91/06C08K13/04C08K7/26C08K5/47C08K5/12C08K3/04C08K3/34C08K3/30C08K3/06
CPCC08L23/16C08K2201/014C08K2003/3045C08L2203/18C08L91/06C08K13/04C08K7/26C08K5/47C08K5/12C08K3/04C08K3/346C08K3/30C08K3/06
Inventor 陈华周彬
Owner ANHUI JINGHONG SEAL TECH
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