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Redispersible rubber powder and preparation method thereof

A redispersion and rubber powder technology, applied in the field of redispersible rubber powder and its preparation, can solve the problems that the redispersion performance is difficult to be guaranteed, and the uniformity of silica is difficult to ensure, so as to avoid agglomeration, compounding and mixing Good effect and strong stability

Inactive Publication Date: 2021-08-24
山东卓俊实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing redispersed latex powder is generally used in combination with other components when redispersing, and when mixing silica, due to the strong adsorption of silica itself, when redispersing, it is difficult to ensure The uniformity of silica makes it difficult to guarantee its redispersion performance

Method used

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  • Redispersible rubber powder and preparation method thereof
  • Redispersible rubber powder and preparation method thereof
  • Redispersible rubber powder and preparation method thereof

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Embodiment Construction

[0023] In order to clearly illustrate the technical characteristics of the present solution, the present application will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings.

[0024] As shown in the figure, in order to explain the overall concept of the application more clearly, the following detailed description will be given by way of examples in combination with the accompanying drawings.

[0025] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" ", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings , is only for the convenience of describing the present application and simplifying the description, but does not indic...

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Abstract

The invention relates to redispersible rubber powder and a preparation method thereof. The redispersible rubber powder comprises the following raw materials in parts by mass: 1 to 3 parts of polypropylene glycol, 30 to 50 parts of an emulsion, 3 to 5 parts of white carbon black, 1 to 2 parts of heavy calcium carbonate, and 0.1 to 0.5 part of corn starch. The polypropylene glycol and the white carbon black are adopted for dual protection, so that the stability of the redispersible rubber powder is higher, and as the white carbon black is uniformly distributed in the redispersible rubber powder in the early stage, the trouble that the white carbon black needs to be uniformly distributed in the later stage does not exist.

Description

technical field [0001] The application relates to a redispersible rubber powder and a preparation method thereof. Background technique [0002] Redispersible latex powder products are water-soluble redispersible powders, which are divided into ethylene / vinyl acetate copolymers, vinyl acetate / ethylene tertiary carbonate copolymers, acrylic acid copolymers, etc., and the powders made after spray drying are bonded agent, with polyvinyl alcohol as a protective colloid. This kind of powder can quickly redisperse into emulsion after contacting with water. Due to the high bonding ability and unique properties of redispersible latex powder, such as: water resistance, construction and heat insulation, etc., their The scope of application is extremely wide. However, the existing redispersed latex powder is generally used in combination with other components when redispersing, and when mixing silica, due to the strong adsorption of silica itself, when redispersing, it is difficult to...

Claims

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Application Information

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IPC IPC(8): C08L33/02C08L29/02C08L3/02C08K7/26C08K3/26
CPCC08L33/02C08K2003/265C08L29/02C08L3/02C08K7/26C08K3/26
Inventor 张伟
Owner 山东卓俊实业有限公司