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Epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent as well as waterproof products and application

A technology of epoxy methyl diethoxy silane and bridging agent, which is applied in the direction of asphalt material adhesives, asphalt coatings, adhesives, etc. , asphalt aging and weather resistance have not been significantly improved and other issues

Inactive Publication Date: 2016-02-03
卢桂才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the polysiloxane coupling agent, polynaphthalene sulfonic acid sodium salt or In the reaction mechanism of silane coupling agent, titanate coupling agent and aluminate coupling agent, only the chemical crosslinking reaction and physical mortise and tenon synergistic bonding with uncured cement were proposed, but the coupling was not realized. The coupling agent can have a strong chemical bond with the bitumen at the other end, so it is relatively blind and has no sense of direction when choosing a coupling agent. Therefore, when manufacturing waterproof membranes or reactive bonding joint sealants The expected effect is often not achieved, and it is only better than ordinary waterproof membranes or sealants, and the aging and weather resistance of asphalt have not been significantly improved.

Method used

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  • Epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent as well as waterproof products and application
  • Epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent as well as waterproof products and application
  • Epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent as well as waterproof products and application

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Experimental program
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Effect test

Embodiment 1-1

[0034] Embodiment 1-1, epoxy methyldiethoxysilane bridging agent waterproof membrane, the first layer of the waterproof membrane is a polyethylene thermoplastic elastomer material layer, the middle layer is an asphalt adhesive layer, and the lower layer is Isolation film protective layer, wherein the components and parts by weight of the asphalt bonding layer are: 30-35 parts of asphalt, 15-16 parts of modifier, 2-4 parts of second-line oil refined in the petrochemical production process, epoxy methyl 0.1-0.5 parts by weight of base diethoxysilane waterproof bridging agent, 3-4 parts of filler magnesium oxide, and 40-45 parts of filler calcium carbonate powder. Production process: first heat the asphalt to 160-200 ℃, after reaching the molten state, add additives and waterproof bridging agent, stir and react for 0.5-2 hours, and finally add appropriate amount of filler according to the performance of the waterproof membrane, and lay it on the plastic The surface of the film la...

Embodiment 1-2

[0035] Embodiment 1-2, epoxy methyldiethoxysilane bridging agent waterproof membrane, the first layer of this waterproof membrane is a polyethylene thermoplastic elastomer material layer, the middle layer is an asphalt adhesive layer, and the lower layer is Isolation film protective layer, wherein the components and parts by weight of the asphalt bonding layer are: 38-45 parts of asphalt, 17-18 parts of modifier, 5-7 parts of second-line oil refined in the petrochemical production process, epoxy methyl 7.0-9.0 parts by weight of base diethoxysilane waterproof bridging agent, 5-6 parts of filler magnesium oxide, and 48-53 parts of filler calcium carbonate powder. Production process: first heat the asphalt to 160-200 ℃, after reaching the molten state, add additives and waterproof bridging agent, stir and react for 0.5-2 hours, and finally add appropriate amount of filler according to the performance of the waterproof membrane, and lay it on the plastic The surface of the film l...

Embodiment 1-3

[0036] Embodiment 1-3, epoxy methyldiethoxysilane bridging agent waterproof membrane, the first layer of this waterproof membrane is a polyethylene thermoplastic elastomer material layer, the middle layer is an asphalt adhesive layer, and the lower layer is Isolation film protection layer, wherein the components and parts by weight of the asphalt bonding layer are: 46-50 parts of asphalt, 19-20 parts of modifier, 8-10 parts of second-line oil refined in the petrochemical production process, epoxy methyl 12.0-15.0 parts by weight of base diethoxysilane waterproof bridging agent, 7-8 parts of filler magnesium oxide, and 55-60 parts of filler calcium carbonate powder. Production process: first heat the asphalt to 160-200 ℃, after reaching the molten state, add additives and waterproof bridging agent, stir and react for 0.5-2 hours, and finally add appropriate amount of filler according to the performance of the waterproof membrane, and lay it on the plastic The surface of the fil...

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Abstract

The invention discloses an epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent as well as waterproof products and application. Epoxy at one end of the structural formula of the epoxy methyl diethoxyl silane asphalt cement waterproof bridging agent can be connected with carboxyl or hydroxyl in asphalt to form better chemical affinity, the other end of the silane is combined with hydrated calcium silicate or calcium aluminate generated in the cement hydration process to form chemical bonds to be in chemical crosslinking reaction with concrete, the asphalt and the cement can be closely combined together, related parts have the chemical bond function just as a bridge is built, an irreversible bonding function is achieved after curing, and the waterproof bridging agent can be made into waterproof rolls, waterproof paint, waterproof cream or waterproof plugging agent, and can wriggle to permeate into capillary pores of the cement gel and concrete in the cement setting process, so as to play a tightly combined, firm and irreversible flesh-blood connecting bonding role.

Description

technical field [0001] The invention relates to an additive for building waterproof materials, especially a bridging agent capable of performing chemical crosslinking reaction with asphalt and cement at the same time to form a chemical bond with better chemical affinity, and to make it play an irreversible bonding role after curing and Its waterproofing products and applications. Background technique [0002] Common building waterproof materials are mainly cement and asphalt. Asphalt is mainly used for plugging the joints of concrete or the gaps around the wall, or spread on the roof to bond thin bricks to prevent leakage, and can also be made into waterproof membranes. Seepage-proof and rain-proof occasions. Yet current asphalt is difficult to carry out better plugging and leak prevention, and its reason is that the bonding of asphalt and solidified cement (concrete) is very not lasting, mainly is that asphalt is the residue after oil extraction gasoline, kerosene etc., M...

Claims

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Application Information

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IPC IPC(8): C08K5/5435C08L95/00C09D7/12C09D195/00C09J11/06C09J195/00C09K3/10
Inventor 卢桂才朱方伍伍盛江郭文雄周为为来光业
Owner 卢桂才
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