Novel high-strength gypsum thermal insulation putty and preparation method thereof

A technology of high-strength gypsum and thermal insulation putty, which is applied in the direction of filling slurry, etc., can solve the problem that the thermal insulation and mechanical strength of the putty cannot be improved at the same time.

Active Publication Date: 2021-04-13
苏州大乘环保新材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem that the heat preservation and mechanical strength of putty cannot be improved at th

Method used

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  • Novel high-strength gypsum thermal insulation putty and preparation method thereof
  • Novel high-strength gypsum thermal insulation putty and preparation method thereof
  • Novel high-strength gypsum thermal insulation putty and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiments 1-23 provide a new type of high-strength gypsum thermal insulation putty, which will be described below by taking Embodiment 1 as an example.

[0040] A kind of novel high-strength gypsum thermal insulation putty that embodiment 1 provides, its preparation steps are:

[0041] S1: Mix and stir 50g of α-high-strength gypsum and 7g of vitrified microspheres evenly to obtain a mixture 1;

[0042]S2: Add 1kg of water to the mixture 1, mix and stir evenly, then add 1g redispersible latex powder, 0.1g retarder, 0.1g thixotropic agent and 0.01g air-entraining agent, mix evenly, and Mix and stir for 40min at a stirring rate of 50rpm to obtain a mixture 2;

[0043] S3: Add 0.1 g of cellulose ether to the mixture 2, mix evenly, put it in a shearing machine, shear and disperse at a speed of 2000 rpm for 20 minutes, and obtain a new type of high-strength gypsum thermal insulation putty;

[0044] Wherein, the mesh number of the α-high-strength gypsum is 200;

[0045] T...

Embodiment 2-4

[0051] Examples 2-4 are the same as Example 1, except that the quality of the raw materials for the preparation of the novel high-strength gypsum thermal insulation putty is different, see Table 2 for details.

[0052] Table 2

[0053] components Example 1 Example 2 Example 3 Example 4 α-high strength gypsum (g) 50 70 60 65 Vitrified beads (g) 7 10 8 9 water (kg) 1 1.5 1.3 1.4 Redispersible latex powder (g) 1 2 1.5 1.7 Retarder (g) 0.1 0.5 0.3 0.4 Thixotropic agent (g) 0.1 0.5 0.3 0.4 Air-entraining agent (g) 0.01 0.05 0.03 0.04 Cellulose ether (g) 0.1 0.3 0.2 0.25

[0054] Examples 5-10 are the same as Example 4, except that the cellulose ethers are different, see Table 3 for details.

[0055] table 3

[0056] Example Cellulose ether Example 4 Walocel XM 20000PV Example 5 Walocel XM 20000 PV and HK75000S are mixed at a mass ratio of 1:2 Example 6 Walo...

Embodiment 11

[0057] Example 11 is the same as Example 7, except that the α-high-strength gypsum is DLJ-02.

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Abstract

The invention relates to the field of wall decoration materials, in particular to novel high-strength gypsum thermal insulation putty and a preparation method thereof. The novel high-strength gypsum thermal insulation putty is prepared from the following raw materials in parts by weight: 50 to 70 parts of alpha-high-strength gypsum, 7 to 10 parts of vitrified micro beads, 0.1 to 0.3 part of cellulose ether, 1 to 2 parts of redispersible latex powder, 0.1 to 0.5 part of a retarder, 0.1 to 0.5 part of a thixotropic agent and 0.01 to 0.05 part of an air entraining agent, wherein the particle size of the vitrified micro beads is 180-200 meshes; and the cellulose ether comprises 2wt% of modified cellulose ether with the viscosity being 18000-22000mPa.s at the temperature of 20 DEG C. The novel high-strength gypsum thermal insulation putty can be used as gypsum thermal insulation mortar and can also be used as gypsum putty for leveling, additional gypsum putty leveling is not needed after construction, and the one-time construction thickness can reach 30 mm, so that construction procedures are reduced, construction is smooth, the constructed wall surface is uniform, scraping is fine and smooth, no color difference exists, and the novel high-strength gypsum thermal insulation putty has an excellent decoration effect; and the later-period heat preservation performance is not reduced, and the hollowing and cracking phenomena are avoided.

Description

technical field [0001] The application relates to the field of wall decoration materials, in particular to a novel high-strength gypsum thermal insulation putty and a preparation method thereof. Background technique [0002] With the support of the government and the continuous improvement of people's requirements for decoration materials, the development of putty powder is also making continuous progress. Putty is a decorative material for leveling the surface of the wall. It is a thick paste paint and an indispensable product before the paint is painted. One of the important functions of putty is to level the wall surface, fill the concave part, cover the convex part, and then artificially polish and level it. Putty needs to satisfy benign viscous properties. Putty should not only have its own functions and effects, but also meet the requirements of environmental protection. Environmental protection requires putty to have as few components as possible and less chemical s...

Claims

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Application Information

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IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 张福恒张尊杰单秀军
Owner 苏州大乘环保新材有限公司
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