One-component silane-modified polyether sealant for automobiles and preparation method thereof

A silane-modified polyether, one-component technology, which is applied in the field of sealants, can solve problems such as unfavorable health of passengers and achieve the effect of reducing TVOC

Active Publication Date: 2022-02-01
GUANGZHOU JOINTAS CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nevertheless, the TVOC of this type of product has been high, higher than the 50ugC / g generally required by car companies, so it has always been at a disadvantage in vehicle applications, which is not conducive to the health of passengers

Method used

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  • One-component silane-modified polyether sealant for automobiles and preparation method thereof
  • One-component silane-modified polyether sealant for automobiles and preparation method thereof
  • One-component silane-modified polyether sealant for automobiles and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] This example provides a one-component environment-friendly silane-modified polyether sealant for automobiles, and its components and weight percentages are as follows:

[0042]

[0043] Note: The composite materials in the tables of Examples 1-3 and Comparative Examples 1-3 refer to composite materials formed by compounding nano-activated carbon, carbonate, silicate, photocatalyst and heat-activated catalyst, wherein nano-activated carbon, carbonate and The ratio of the total mass of silicate to the total mass of photocatalyst and heat-activated catalyst is 3.3:1.

[0044] The preparation method of the single-component environment-friendly silane-modified polyether sealant for automobiles of the present embodiment comprises the following steps:

[0045] (1) Pre-dry the nano-calcium carbonate and the filler at 110-130°C for 12 hours, and set aside.

[0046] (2) Add silane-modified polyether resin, plasticizer, thixotropic agent, nano-calcium carbonate, extender fille...

Embodiment 2

[0049] This example provides a one-component environment-friendly silane-modified polyether sealant for automobiles, and its components and weight percentages are as follows:

[0050]

[0051]

[0052] The preparation method of the one-component environment-friendly silane-modified polyether sealant for automobiles in this embodiment is the same as that in Embodiment 1.

Embodiment 3

[0054] This example provides a one-component environment-friendly silane-modified polyether sealant for automobiles, and its components and weight percentages are as follows:

[0055]

[0056] The preparation method of the one-component environment-friendly silane-modified polyether sealant for automobiles in this embodiment is the same as that in Embodiment 1.

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Abstract

The invention provides a one-component silane-modified polyether sealant for automobiles and a preparation method thereof. The raw materials of the one-component silane-modified polyether sealant for automobiles include silane-modified polyether resins and functional fillers. The raw materials of functional fillers include nano activated carbon, carbonate, silicate, photocatalyst and heat activated catalyst. The present invention utilizes nano-activated carbon, carbonate and silicate to adsorb organic gases, and since the composite material also contains photocatalysts and heat-activated catalysts, the adsorbed small molecules can be catalyzed, oxidized, and degraded under the conditions of light and heating. The degradation products are mainly water and carbon dioxide, thereby reducing the TVOC of the product and avoiding the desorption problem of nano-activated carbon at high temperature.

Description

technical field [0001] The invention belongs to the technical field of sealants, in particular to a one-component silane-modified polyether sealant for automobiles and a preparation method thereof. Background technique [0002] With the improvement of automobile manufacturing technology level, the adoption of new materials and new technologies, and the improvement of customers' requirements for automobile economy and comfort, new varieties and new processes of sealants are more and more widely used in automobiles, and are used in shockproof , heat insulation, anti-corrosion, anti-rust, anti-leakage, reduce noise, reduce self-weight, improve the comfort and safety of the car has a special role. At this stage, as people pay more and more attention to the health level of the car interior environment, the environmental protection indicators of car interior materials, especially material odor and TVOC, have increasingly become the focus of mainstream car manufacturers. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J171/00C09J11/04C09J11/06C09J11/08
CPCC09J171/00C09J11/04C09J11/06C09J11/08C08K2201/011C08K2003/265C08L77/00C08K13/04C08K3/26C08K5/12C08K5/3475C08K5/3435C08K5/1345C08K5/5425C08K5/544C08K7/24C08K3/34
Inventor 杨海兵李义博石正金
Owner GUANGZHOU JOINTAS CHEM
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