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Water-base sealant for automobiles and manufacturing process of water-base sealant

A water-based, sealant technology, applied in the field of sealants, can solve the problems of expensive, flammable and explosive, and inconvenient construction, and achieve the effect of low price and no pollution to the environment

Inactive Publication Date: 2014-01-22
林贤文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the traditional automotive sealants use oil-based sealants, which are not only expensive, but also flammable and explosive, poor aging resistance, short storage period, and inconvenient construction, which limits the use in body sealing.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] Pure Acrylic Copolymer Emulsion 45-50

[0022] Water-soluble resin 3-5

[0023] Dibutyltin dilaurate 2-10

[0024] Carboxymethylcellulose 1.5-4

[0025] PVC 2-5

[0026] Talc 3-10

[0027] Ground calcium carbonate 10-40

[0028] Phenylethyl alcohol 0.05-0.2

[0029] Clay 2-16.

[0030] Put the pure acrylic acid copolymer emulsion into the mixing tank, add carboxymethyl cellulose, polyvinyl chloride, water-soluble resin and phenylethyl alcohol in sequence, and stir well before use;

[0031] Add heavy calcium carbonate, talcum powder, pottery clay, dibutyltin dilaurate into the mixer and mix well;

[0032] Add the two materials obtained above into a low-speed mixer and mix well, then move to a three-roller machine to grind evenly, and roll it into a fine syrupy paste, then send it to the extruder for extrusion and packaging;

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PUM

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Abstract

The embodiment of the invention discloses a water-base sealant for automobiles. The water-base sealant comprises the following components in mass ratio: pure crylic acid copolymer emulsion, a water soluble resin, di-n-butyltin dilaurate, carboxymethylcellulose, polyvinyl chloride, talcum powder, heavy calcium carbonate, phenethyl alcohol and clay. The water-base sealant is prepared by taking the crylic acid copolymer emulsion as a base material together with a plasticizer, a thickening agent, assistants and the like, and has the characteristics of being non-poisonous, tasteless, non-combustible, nonexplosible, free of environment pollution, low in price and the like.

Description

technical field [0001] The invention relates to the field of sealants, in particular to a water-based sealant for automobiles and a manufacturing process thereof. Background technique [0002] Sealant has its particularity in terms of sealing in automobile maintenance. Because most of the joint surfaces are deformed and damaged to varying degrees after use and disassembly, making it more difficult to seal and prevent leaks, making the "three leaks" problem particularly prominent in the auto repair industry. Due to the location and high pressure of some parts, the incidence of oil leakage failures has always been high, which has become a major problem in improving quality. For example, the side cover of the valve chamber of the engine is located on the side, and the inside has the effect of gas pressure. In addition, the side cover is made of iron and is easily deformed, and its structure is fastened by middle bolts, etc., which makes the oil leakage problem at this part par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/04C09J101/26C09J127/06C09J11/04C09J11/06C09K3/10
Inventor 林贤文
Owner 林贤文
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