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Multi-path thick coating and one-step molded rubber-state waterproof coating and preparation method thereof

A waterproof coating and rubber-like technology, applied in asphalt coatings, chemical instruments and methods, coatings, etc., can solve problems such as high requirements for formula selection, damage to system stability, and easy demulsification of the system to achieve good physical and mechanical properties. Stability, improved solvency, no irritating odor effect

Inactive Publication Date: 2018-08-14
XI NIU PI WATERPROOFING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there is currently no technical publication on the application of magnesium aluminum silicate or magnesium lithium silicate to water-based rubber modified emulsified asphalt waterproof coatings. Magnesium aluminum silicate or magnesium lithium silicate is used as a paste agent for water-based rubber modified emulsified asphalt waterproofing The coating mainly has the following two difficulties: first, it is difficult to add. Magnesium aluminum silicate and magnesium lithium silicate are both types of pasting agents that thicken rapidly. In the system, the second is that the formula selection requirements are high. Magnesium aluminum silicate and magnesium lithium silicate in water-based rubber modified emulsified asphalt are prone to chemical reactions and charge neutralization with emulsifiers, which will damage the stability of the system, or cause the system It is easy to break the emulsion, or the paste agent fails to thicken. Therefore, it is important to solve the above technical problems through the development of new processes and formulas. Successfully applying magnesium aluminum silicate or magnesium lithium silicate to water-based rubber modified emulsified asphalt waterproof coatings practical significance

Method used

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  • Multi-path thick coating and one-step molded rubber-state waterproof coating and preparation method thereof
  • Multi-path thick coating and one-step molded rubber-state waterproof coating and preparation method thereof
  • Multi-path thick coating and one-step molded rubber-state waterproof coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0053]

[0054] Among them, the modified asphalt is composed of 90 # It is modified by petroleum asphalt and SBS modifier;

[0055] Wherein the quick-drying paste agent is lithium magnesium silicate;

[0056] Wherein the emulsion is an aqueous solution of emulsifier sodium butylnaphthalene sulfonate;

[0057] Among them, the asphalt rejuvenator is made of high-quality naphthenic heavy oil from Venezuela in South America, and is distilled under normal and reduced pressure.

[0058] The preparation method is as follows:

[0059] (1) Preparation of rubber asphalt mixture: Weigh the petroleum asphalt and modifier in mass percentage, put them into the reaction kettle, heat up to 160°C and stir evenly, add asphalt rejuvenator and quick-drying paste agent under stirring condition and mix for 10min , slowly raise the temperature to 200°C, and stir at constant temperature for 3 hours to obtain the rubber-asphalt mixture;

[0060] (2) Prepare the emulsion: add water to the soap t...

Embodiment 2

[0064]

[0065] Among them, the modified asphalt is composed of 90 # It is modified by petroleum asphalt and SBS modifier;

[0066] Wherein the quick-drying paste agent is magnesium aluminum silicate;

[0067] Wherein the emulsion is an aqueous solution of emulsifier sodium butylnaphthalene sulfonate;

[0068] Among them, the asphalt rejuvenator is made of high-quality naphthenic heavy oil from Venezuela in South America, and is distilled under normal and reduced pressure.

[0069] Preparation:

[0070] (1) Preparation of rubber asphalt mixture: weigh the petroleum asphalt and modifier in mass percentage, put them into the reaction kettle, heat up to 140°C and stir evenly, add asphalt rejuvenator and quick-drying paste agent under stirring condition and mix for 10min , slowly raise the temperature to 180°C, and stir at constant temperature for 2 hours to obtain the rubber-asphalt mixture;

[0071] (2) Preparation of emulsion: add water to the soap tank, add emulsifier, ...

Embodiment 3

[0075]

[0076] Among them, the modified asphalt is composed of 90 # It is modified by petroleum asphalt and SBS modifier;

[0077] Among them, the quick-drying paste agent is magnesium lithium silicate and magnesium aluminum silicate;

[0078] Wherein the emulsion is an aqueous solution of emulsifier sodium butyl naphthalene sulfonate.

[0079] Among them, the asphalt rejuvenator is made of high-quality naphthenic heavy oil from Venezuela in South America, and is distilled under normal and reduced pressure.

[0080] Preparation:

[0081] (1) Preparation of rubber asphalt mixture: Weigh petroleum asphalt and modifier in mass percentage, put them into the reaction kettle, heat up to 150°C and stir evenly, add asphalt rejuvenator and quick-drying paste agent under stirring condition, and mix for 15 minutes , slowly raise the temperature to 190°C, and stir at constant temperature for 3 hours to obtain the rubber-asphalt mixture;

[0082] (2) Prepare emulsion: add water to ...

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Abstract

The invention relates to multi-path thick coating and one-step molded rubber-state waterproof coating and a preparation method thereof and belongs to the technical field of sealing water prevention. The rubber-state waterproof coating provided by the invention is mainly prepared from the following raw materials in percentage by mass: 0 to 75 percent of modified asphalt, 0 to 80 percent of asphaltregeneration agent, 0.01 to 30 percent of quick-drying creaming agent and 10 to 70 percent of emulsified liquid; the rubber-state waterproof coating is prepared through steps of preparing a rubber asphalt mixture, preparing the emulsified liquid, emulsifying and creaming and de-foaming. According to the rubber-state waterproof coating, an inorganic creaming agent is used as the quick-drying creaming agent and the emulsified liquid is used for emulsifying and creaming the rubber asphalt mixture through a colloid mill by adopting a one-pot method and the prepared rubber-state waterproof coatingis uniform, fine and smooth and has high quality; the rubber-state waterproof coating has very good thixotropic performance, rapid dehydration and drying properties and excellent construction and application performance; the production efficiency is improved by applying the one-pot method and quality stability of a product and environment protection are facilitated.

Description

technical field [0001] The invention relates to the technical field of sealing and waterproofing, in particular to a multi-layer thick coating and one-time forming rubber waterproof coating and a preparation method thereof. Background technique [0002] Waterproof coatings are mainly used for sealing and waterproofing of large areas and detailed nodes of buildings. The waterproof coating is brushed or sprayed on the base surface, and after curing, it forms a waterproof coating film with good integrity and no seams, which has good adhesion and sealing to the base surface. However, the application of waterproof coatings often requires multiple layers of thin coatings to achieve the required thickness of the waterproof layer. Due to the slow drying speed of waterproof coatings, for example, when applying emulsion-type waterproof coatings, it is necessary to wait for the previous layer of waterproof coating to dry before proceeding to the next layer of waterproof coating. Const...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D191/00C09D7/65C09D7/61C09D7/63
CPCB32B5/02B32B5/022B32B5/028B32B5/08B32B5/26B32B13/14B32B33/00B32B2255/02B32B2255/26B32B2255/28B32B2262/0253B32B2262/0261B32B2262/0276B32B2262/0284B32B2262/12B32B2262/14B32B2307/308B32B2307/5825B32B2307/7265B32B2307/734B32B2419/00C09D195/00E02D31/02E04B1/66E04D5/10C08L53/02
Inventor 卢桂才朱方伍赵晓岚胡豫张奔莫瑞华陈海红
Owner XI NIU PI WATERPROOFING TECH CO LTD
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