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Stone protective agent and preparation method and application thereof

A protective agent and stone technology, which is applied in the field of construction, can solve the problems of affecting the surface gloss of stone, destroying the air permeability of stone, and short service life, so as to achieve the effects of industrial production, excellent waterproof, and prevention of spots

Inactive Publication Date: 2020-11-03
上海佐航新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the general density and hardness of the stone, the general wax on the surface is not easy to attach, and the service life is short, the wax will deteriorate in a short period of time, and will change the original appearance of the stone and affect the surface gloss of the stone. On the other hand, it will destroy the original air permeability of the stone and accumulate inside the stone to form new and larger lesions.

Method used

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  • Stone protective agent and preparation method and application thereof
  • Stone protective agent and preparation method and application thereof

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preparation example Construction

[0053] The second aspect of the present invention provides a method for preparing a stone protective agent, which at least includes the following steps: adding each component into a hydrocarbon solvent, and stirring evenly.

[0054] In a preferred embodiment, the preparation method of the stone protective agent at least includes the following steps: adding each component into a hydrocarbon solvent while stirring, stirring for 1 to 2 hours, then standing for 1 to 2 hours and then have to.

[0055] The third aspect of the present invention provides the application of a stone protective agent in preventing stone back-alkali water spots.

Embodiment 1

[0059] Embodiment 1 of the present invention provides a kind of stone protection agent, by weight, preparation raw material comprises 17 parts of alkylalkoxysilane, 8 parts of aminoalkoxysilane, 25 parts of ethyl silicate, 35 parts of hydrocarbon solvent.

[0060] In parts by weight, the preparation raw materials also include 10 parts of modified silicone oil and 7 parts of spherical silicone resin.

[0061] The alkyl alkoxysilane is methyl alkoxy silane, octyl alkoxy silane and cyclic siloxane; the methyl alkoxy silane, octyl alkoxy silane and cyclic siloxane The weight ratio is 2:1:0.7.

[0062] The methylalkoxysilane is methyltrimethoxysilane; the octylalkoxysilane is n-octyltrimethoxysilane; and the cyclic siloxane is octamethylcyclotetrasiloxane.

[0063] The aminoalkoxysilane includes γ-aminopropyltriethoxysilane and N-[3-(trimethoxysilyl)propyl]ethylenediamine; the γ-aminopropyltriethoxysilane The weight ratio of N-[3-(trimethoxysilyl)propyl]ethylenediamine to N-[3-(...

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Abstract

The invention relates to the technical field of buildings, and particularly provides a stone protective agent as well as a preparation method and application thereof. According to the first aspect, the invention provides a stone protective agent which at least comprises the following preparation raw materials in parts by weight: 15-20 parts of alkyl alkoxy silane, 2-14 parts of amino alkoxy silane, 20-30 parts of ethyl silicate and 20-50 parts of a hydrocarbon solvent. The stone protective agent prepared by the invention can form a layer of reticular structure with a complex shape like a treeroot outside the stone from outside to inside, so that the stone has excellent functions of water resistance, acid and alkali resistance, aging resistance and the like, moisture can be effectively blocked, and the problems of spots and whitening are prevented.

Description

technical field [0001] The invention relates to the technical field of construction, and more specifically, the invention provides a stone protective agent and a preparation method and application thereof. Background technique [0002] Stone is one of the ancient building materials. Due to its rich resources, high compressive strength, good durability and strong wear resistance, it has been used for building foundations and walls and other masonry materials and aggregates of concrete for a long time. Natural stone crystals are relatively coarse, and there are many capillaries invisible to the naked eye. For example, the pore rate of granite is 0.5% to 1.5%, and the pore rate of marble is 0.5% to 2.0%. Its impermeability is not as good as that of ordinary cement mortar. Although the water absorption rate of granite is only 0.2% to 1.7%, water can still soak into the other side through the capillaries in the stone. This characteristic of natural stone and the existence of ca...

Claims

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Application Information

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IPC IPC(8): C04B41/49C04B41/64
CPCC04B41/4961C04B41/64C04B2111/20C04B2111/2023C04B2111/23C04B2111/27C04B41/495C04B41/4944C04B41/4922C04B41/463C04B41/4535
Inventor 顾磊
Owner 上海佐航新材料科技有限公司
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