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Waterproof dry-mixed mortar for plastering and preparation method of mortar

A technology of dry powder mortar and water resistance, which is applied in the field of dry powder mortar and can solve problems such as hollowing, falling off, and poor water resistance

Pending Publication Date: 2021-09-14
宣城市嘉恒新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Different places have different requirements for dry powder mortar. For example, if dry powder mortar is used on the exterior wall, due to the long-term sun and rain on the exterior wall, ordinary dry powder mortar will crack, hollow, and fall off, so waterproofness is required. Although there are waterproof dry powder mortars on the market, their water resistance is poor, so a dry powder mortar with good water resistance that meets actual needs is needed.

Method used

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  • Waterproof dry-mixed mortar for plastering and preparation method of mortar
  • Waterproof dry-mixed mortar for plastering and preparation method of mortar
  • Waterproof dry-mixed mortar for plastering and preparation method of mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Waterproof plastering dry powder mortar, made of the following raw materials in parts by mass:

[0042] 18.6% cement, 81% sand, 0.3% thickened powder and 0.1% waterproof additive.

[0043] The preparation method of waterproof plastering dry powder mortar, described preparation method comprises the following steps:

[0044] S1. Preparation of sand

[0045] Put the collected river sand into the cleaning machine for cleaning, and the cleaned river sand is conveyed to the three-pass drum dryer through the belt for sealing and drying, and the dried river sand is conveyed to the screening machine through the belt Screening is carried out inside, and the sand with different particle sizes screened out is sent to different dry sand drums for storage;

[0046] S2. Storage of various raw materials

[0047] Send the required cement to the cement cylinder for storage, the thickened powder to the thickened powder cylinder for storage, and the waterproof additive to the additive c...

Embodiment 2

[0055] Waterproof plastering dry powder mortar, made of the following raw materials in parts by mass:

[0056] 19.8% cement, 79.73% sand, 0.35% thickening powder and 0.12% waterproof additive.

[0057] The preparation method of waterproof plastering dry powder mortar, described preparation method comprises the following steps:

[0058] S1. Preparation of sand

[0059] Put the collected river sand into the cleaning machine for cleaning, and the cleaned river sand is conveyed to the three-pass drum dryer through the belt for sealing and drying, and the dried river sand is conveyed to the screening machine through the belt Screening is carried out inside, and the sand with different particle sizes screened out is sent to different dry sand drums for storage;

[0060] S2. Storage of various raw materials

[0061] Send the required cement to the cement cylinder for storage, the thickened powder to the thickened powder cylinder for storage, and the waterproof additive to the addi...

Embodiment 3

[0069] Waterproof plastering dry powder mortar, made of the following raw materials in parts by mass:

[0070] 21% cement, 78.55% sand, 0.35% thickened powder and 0.1% waterproof additive.

[0071] The preparation method of waterproof plastering dry powder mortar, described preparation method comprises the following steps:

[0072] S1. Preparation of sand

[0073] Put the collected river sand into the cleaning machine for cleaning, and the cleaned river sand is conveyed to the three-pass drum dryer through the belt for sealing and drying, and the dried river sand is conveyed to the screening machine through the belt Screening is carried out inside, and the sand with different particle sizes screened out is sent to different dry sand drums for storage;

[0074] S2. Storage of various raw materials

[0075] Send the required cement to the cement cylinder for storage, the thickened powder to the thickened powder cylinder for storage, and the waterproof additive to the additive...

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Abstract

Waterproof dry-mixed mortar for plastering comprises the following components in percentage by mass: 18.6%-21% of cement, 78.55%-81% of sand, 0.3%-0.35% of thickening powder and 0.1%-0.12% of a waterproof additive, the waterproof requirement of plastering cement mortar is met by adopting the cement, sand and thickening powder in a proper proportion and adding the proper waterproof additive, the river sand is adopted, the sand is fine and smooth, the treatment procedure of the sand is reduced, most of the sand can be directly used, the sludge content is low, and cleaning is convenient.

Description

technical field [0001] The invention belongs to the technical field of dry powder mortar, in particular to waterproof plastering dry powder mortar and a preparation method thereof. Background technique [0002] Dry powder mortar refers to a granular or powdery mixture of dry and sieved aggregates (such as quartz sand), inorganic cementitious materials (such as cement) and additives (such as polymers) in a certain proportion. It is transported to the construction site in the form of bags or bulk, and can be used directly after mixing with water. Dry powder mortar plays the role of bonding, padding, protection and decoration in thin layers in the construction industry, and is widely used in construction and decoration engineering. [0003] Different places have different requirements for dry powder mortar. For example, if dry powder mortar is used on the exterior wall, due to the long-term sun and rain on the exterior wall, ordinary dry powder mortar will crack, hollow, and f...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B111/27
CPCC04B28/00C04B2111/27C04B2201/10C04B2201/50C04B2201/20C04B14/06C04B2103/65C04B2103/44
Inventor 沈奇勇
Owner 宣城市嘉恒新型建材有限公司
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