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Tri-tert-butoxyl vinyl silane asphalt cement waterproof bridging agent, waterproof product, and applications thereof

A technology of tri-tert-butoxyvinylsilane and bridging agent, which is applied in asphalt material adhesives, asphalt coatings, adhesives, etc., and can solve the problems of blind selection of coupling agents, no sense of direction, and failure to reach

Inactive Publication Date: 2016-02-10
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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  • Tri-tert-butoxyl vinyl silane asphalt cement waterproof bridging agent, waterproof product, and applications thereof
  • Tri-tert-butoxyl vinyl silane asphalt cement waterproof bridging agent, waterproof product, and applications thereof
  • Tri-tert-butoxyl vinyl silane asphalt cement waterproof bridging agent, waterproof product, and applications thereof

Examples

Experimental program
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Effect test

Embodiment 1 3

[0035] Embodiment 1 Tri-tert-butoxyvinylsilane bridging agent waterproof roll material, the first layer of the waterproof roll material is a polyethylene thermoplastic elastomer material layer, the middle layer is an asphalt bonding layer, and the lower layer is a barrier film protective layer, Wherein the composition, parts by weight and production process of the asphalt bonding course are as follows:

[0036] 1-1: 30 parts of asphalt, 15 parts of modifier, 2 parts of second-line oil refined from petrochemical production process, 0.1 part of tri-tert-butoxyvinylsilane waterproof bridging agent, 3 parts of filler magnesium oxide, filler carbonic acid 40 parts of calcium powder.

[0037] 1-2: 40 parts of asphalt, 18 parts of modifier, 5 parts of second-line oil refined in petrochemical production process, 10 parts of tri-tert-butoxyvinylsilane waterproof bridging agent, 5 parts of filler magnesium oxide, filler carbonic acid 50 parts of calcium powder.

[0038] 1-3: 50 parts ...

Embodiment 2

[0041] Embodiment 2, tri-tert-butoxy vinyl silane bridging agent waterproof paste

[0042] The composition, parts by weight and production process of tri-tert-butoxyvinylsilane bridging agent waterproof paste are as follows:

[0043] 2-1: 30 parts of asphalt; 15 parts of modifier; 0.5 part of emulsifier; 0.5 part of thickener; 30 parts of water; 0.5 part of bridging agent.

[0044] 2-2: 40 parts of asphalt; 18 parts of modifier; 2 parts of emulsifier; 2 parts of thickener; 40 parts of water; 2 parts of bridging agent.

[0045] 2-3: 50 parts of asphalt; 20 parts of modifier; 3 parts of emulsifier; 3 parts of thickener; 50 parts of water; 3 parts of bridging agent.

[0046] The asphalt is petroleum asphalt; the modifier is a mixture of one or more of thermoplastic elastomer asphalt modifiers and rubber asphalt modifiers; the emulsifier is cetyltrimethylammonium bromide; the thickener It is cellulose ether; the waterproof bridging agent is tri-tert-butoxyvinyl silane.

[0047]...

Embodiment 3

[0048] Embodiment 3, tri-tert-butoxyvinyl silane waterproof plugging agent

[0049] Tri-tert-butoxyvinylsilane waterproof plugging agent, prepared from the following raw materials in parts by weight:

[0050] 3-1: 30 parts of asphalt; 15 parts of modifier, 0.5 part of emulsifier, 0.5 part of waterproof bridging agent, 30 parts of water;

[0051] 3-2: 40 parts of asphalt; 18 parts of modifier, 2 parts of emulsifier, 2 parts of waterproof bridging agent, 40 parts of water;

[0052] 3-3: 50 parts of asphalt; 20 parts of modifier, 3 parts of emulsifier, 3 parts of waterproof bridging agent, 50 parts of water;

[0053] The asphalt is petroleum asphalt; the modifier is a mixture of one or more of thermoplastic elastomer asphalt modifiers and rubber asphalt modifiers; the emulsifier is cetyltrimethylammonium bromide, and the waterproof bridging The agent is tri-tert-butoxyvinylsilane. The preparation method of the tri-tert-butoxyvinylsilane waterproof and plugging agent is: stir a...

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Abstract

The invention discloses a tri-tert-butoxyl vinyl silane asphalt cement waterproof bridging agent, waterproof product, and applications thereof. One end of the structure of the bridging agent can be connected with the unsaturated carbon bonds, sulfur bonds, and nitrogen bonds in asphalt to achieve good chemical affinity. The other end can be combined with hydrated calcium silicate or calcium aluminate to form chemical bonds, wherein the hydrated calcium silicate and calcium aluminate are generated during the hydration process of cement. The bridging agent can carry out chemical crosslinking reactions with concrete, the asphalt and cement are tightly bound together, chemical bond effect exists in related parts, just like a bridge is built, after curing an irreversible binding force is formed, the bridging agent can be made into waterproof coiled materials, waterproof paint, waterproof paste, and waterproof plugging agent, during the process of cement solidification, the bridging agent wriggles and penetrates into the pores of cement glue and concrete, and thus the bridging agent and cement are tightly, firmly, and irreversibly bound together.

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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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/5425C08L95/00C09D7/12C09D195/00C09J11/06C09J195/00C09K3/10
Inventor 卢桂才朱方伍陈立斌周为为卢海波刘洋
Owner 卢桂才
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