Electron radiation cross-linked elastomer foam for water pump sealing and preparation method thereof

A technology of electronic radiation and water pump sealing, applied in the direction of coating, etc., can solve the problems of regulatory gaps and other issues, and achieve the effect of strong mildew resistance, fine and uniform cells, and good foaming effect

Pending Publication Date: 2021-01-08
ANHUI JINWAN PUMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in order to reduce costs, some enterprises use azodicarbonamide in large quantities. However, since the country has not set standards for the content of formamide in floor mat products, the risk of formamide in floor mats has become a regulatory blank. A

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Prepare protein colloid, described protein colloid is the composite additive that takes zein and zein protein mass percentage 8% to be prepared by low melting point agarose and sodium xylose in container, and mixes uniformly; The proportioning ratio of additives: low melting point agarose: xylose is 1: 3; Acetyl triethyl citrate with 32% mass percentage of zein powder is added to the obtained protein mixture, and the mixture is adjusted into a uniform protein paste , use a citric acid solution with a mass fraction of 10% to adjust the pH value of the protein paste to 6.7, and use a high-speed shear dispersing emulsifier to perform emulsification treatment at a shear rate of 1000 rpm in the same direction, and the shear time is 6 minutes to obtain a protein colloid

[0022]The first step, weighing each preparation raw material by weight, 115 parts of chlorinated polypropylene, 71 parts of polyvinyl ether polymer, 41 parts of polyvinyl acetylene resin, 53 parts of solubili...

Embodiment 2

[0025] Prepare protein colloid, described protein colloid is the compound additive that takes zein and zein protein mass percentage 7% and is prepared by low-melting point agarose and sodium xylose in container, and mixes evenly; Said compound The proportioning ratio of additives: low-melting point agarose: xylose is 3: 1; Acetyl triethyl citrate with 26% mass percentage of zein powder is added to the obtained protein mixture, and the mixture is adjusted into a uniform protein paste , adjust the pH value of the protein paste to 6.0 with a citric acid solution with a mass fraction of 5-10%, and use a high-speed shear dispersing emulsifier to perform emulsification treatment at a shear speed of 600rpm in the same direction, and the shear time is 2.5min. Get protein colloids.

[0026] The first step, weighing each preparation raw material by weight, 100 parts of chlorinated polypropylene, 65 parts of polyvinyl ether polymer, 33 parts of polyvinyl acetylene resin, 47 parts of solu...

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PUM

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Abstract

The invention belongs to the field of high polymer materials, and particularly relates to a preparation method of electron radiation cross-linked elastomer foam for water pump sealing. The preparationmethod has the advantages of simple production technique and wide raw material sources; and chlorinated polypropylene, polyvinyl ether polymer and polyvinyl acetylene resin are used as main raw materials, a foaming agent and protein colloids are used as auxiliary materials and uniformly mixed to form slurry, and pre-foaming, oil-bath foaming and dynamic sulfurization are successively conducted toobtain a high-molecular closed-cell foam material which has a smooth and flat surface, uniform and fine internal cells, low water absorption and good sound insulation, heat insulation, shock absorption performances and mechanical properties.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to an electron radiation cross-linked elastomer foam used for water pump sealing and a preparation method thereof. Background technique [0002] Sound insulation and vibration reduction of water pumps is a non-negligible step in the urban water supply system. Most owners complain about the noise of the pump room and the noise pollution of high-rise water pumps. It is easy to spread to the outside of the machine room through solid structures such as foundations, walls, pipes, and ceilings. On-site water pump body, water pump pipes, and pipes passing through walls are the primary focus. The frequency spectrum shows that the water pump produces low-to-medium frequency vibration noise similar to that of an elevator. The sound waves are longer and can easily bypass obstacles and penetrate walls to reach the owner's home. According to the analysis, the noise of the water pump i...

Claims

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Application Information

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IPC IPC(8): C08L23/28C08L29/10C08L49/00C08L89/00C08L67/08C08L79/02C08L91/00C08K13/02C08K5/11C08K5/1515C08K3/24C08K3/34C08J9/04C08J9/08C08J9/36C08J3/28C08J3/24
CPCC08J9/36C08J9/0061C08J9/0095C08J9/0023C08J9/0071C08J9/0066C08J9/04C08J9/08C08J2205/052C08J2323/28C08J2429/10C08J2449/00C08J2489/00C08J2467/08C08J2479/02C08J2491/00C08J2203/02
Inventor 余雷
Owner ANHUI JINWAN PUMP TECH CO LTD
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