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Antistatic sealing strip and preparation method thereof

A sealing strip and antistatic technology, which is applied in the field of antistatic sealing strips for vehicles and its preparation, can solve the problems of easy dust absorption, poor electrical conductivity, static spark fires, etc., and achieve improved dispersion performance, good antistatic performance, and mechanical properties. The effect of excellent performance

Inactive Publication Date: 2022-04-12
马云浩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PVC is a high-molecular polymer with poor electrical conductivity and is prone to static electricity. In some cases, it can generate thousands or even tens of thousands of volts of static electricity; There are many problems, hidden dangers, losses and even disasters. For example, the electromagnetic field generated by static electricity is very easy to absorb dust like a vacuum cleaner, resulting in product appearance defects; , these weak static electricity cannot be taken away in time, and static sparks are likely to cause fires and even explosions

Method used

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  • Antistatic sealing strip and preparation method thereof
  • Antistatic sealing strip and preparation method thereof
  • Antistatic sealing strip and preparation method thereof

Examples

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Effect test

Embodiment 1

[0030] The present embodiment provides an antistatic sealing strip, which comprises 100 parts of S-1000 type PVC resin, 70 parts of polyadipate-1,2-propylene glycol ester, 18 parts of EPDM rubber, and 12 parts of calcium carbonate. 10 parts of zinc oxide, 8 parts of carbon black, 17 parts of antistatic agent, 6 parts of CZ-1 calcium zinc stabilizer, 0.3 part of zinc stearate, 1 part of diphenylsulfonyl hydrazide ether, 2 parts of zinc borate;

[0031] The preparation method of the antistatic sealing strip specifically comprises the following steps:

[0032] (1) Surface modification of inorganic fillers: 12g of inorganic fillers calcium carbonate, 10g of zinc oxide, 2g of zinc borate and 3g of polyvinyl ester were weighed according to the mass ratio and added to the kneader for kneading for 40min, then heat treated at 90°C for 2h , to obtain a filler system with ester-based surface modification;

[0033] (2) The surface-modified filler system, PVC resin 100g, polyadipate-1,2-p...

Embodiment 2

[0037] The present embodiment provides an antistatic sealing strip, which comprises 100 parts of S-1000 type PVC resin, 80 parts of polyadipate-1,2-propylene glycol ester, 27 parts of EPDM rubber, and 15 parts of calcium carbonate. 12 parts of zinc oxide, 13 parts of carbon black, 20 parts of antistatic agent, 7 parts of CZ-1 calcium zinc stabilizer, 0.8 parts of zinc stearate, 1 part of diphenylsulfonyl hydrazide ether, 3 parts of zinc borate;

[0038] The preparation method of the antistatic sealing strip is the same as in Example 1.

Embodiment 3

[0040] The present embodiment provides an antistatic sealing strip, which comprises 100 parts of S-1000 type PVC resin, 75 parts of polyethylene adipate, 24 parts of EPDM rubber, 15 parts of calcium carbonate, oxidized 12 parts of zinc, 13 parts of carbon black, 20 parts of antistatic agent, 7 parts of CZ-1 calcium zinc stabilizer, 0.8 parts of zinc stearate, 1 part of diphenylsulfonyl hydrazide ether, 3 parts of aluminum oxide;

[0041] The preparation method of the antistatic sealing strip is the same as in Example 1.

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Abstract

The invention belongs to the technical field of sealing strips for vehicles, and particularly relates to an antistatic sealing strip. The sealing strip comprises the following components in parts by weight: 100 parts of PVC resin, 65-80 parts of a plasticizer, 15-30 parts of ethylene propylene diene monomer, 8-18 parts of calcium carbonate, 8-16 parts of zinc oxide, 8-14 parts of carbon black, 15-25 parts of an antistatic agent, 5-8 parts of a calcium-zinc stabilizer, 0.2-1 part of zinc stearate, 0.5-2 parts of dibenzenesulfonyl hydrazide ether and 1-5 parts of a flame retardant. The antistatic agent is a multi-walled carbon nanotube grafted and modified by an ionic liquid, and the ionic liquid is 1-hydroxyethyl-3-methylimidazolium tetrafluoroborate; the antistatic sealing strip has the beneficial effects that the surface-grafted carbon nanotubes are adopted as the antistatic agent, so that the dispersing performance of the antistatic agent is improved, and the prepared sealing strip is better in antistatic performance and better in color; and the processing manufacturability is better, and the mechanical property is better.

Description

technical field [0001] The invention belongs to the technical field of sealing strips, and in particular relates to an antistatic sealing strip for vehicles and a preparation method thereof. Background technique [0002] The sealing strip is a kind of sealing thing so that it is not easy to open. The sealing strip has various materials such as paper and metal. At present, sealing strips have been applied to various industries such as automobiles, doors and windows, cabinets, and refrigerators. According to the requirements of different industries, the sealing strips developed successively include automobile sealing strips, mechanical sealing strips, door and window sealing strips and other products. Automotive sealing strip is one of the important parts of the car. It has the function of filling various gaps and gaps between the components of the car body. It has the functions of shock absorption, waterproof, dustproof, sound insulation and decoration, and improves the comf...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L67/02C08L23/16C08K3/04C08K9/02C08K9/04
Inventor 马云浩田勇
Owner 马云浩
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