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Device and method for testing anti-caking effect of redispersible latex powder

A technology for redispersing latex powder and effect testing, which is applied in the direction of measuring devices, analytical materials, instruments, etc., can solve the problems of no detection method, etc., and achieve the effect of convenient operation, low cost, and improved convenience

Active Publication Date: 2021-06-18
北京博润佳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a large number of people are studying the anti-caking effect of latex powder, but because there is no better detection method, this problem cannot be controlled at the factory stage

Method used

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  • Device and method for testing anti-caking effect of redispersible latex powder
  • Device and method for testing anti-caking effect of redispersible latex powder
  • Device and method for testing anti-caking effect of redispersible latex powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] refer to figure 1 and figure 2 , a redispersible latex powder anti-caking effect test device includes a base 1, a sleeve 2 for accommodating latex powder, the base 1 can seal one end of the sleeve 2, and can be inserted into the sleeve 2 The cylinder 5 is a heating device capable of heating the latex powder in the casing 2. The heating device can be a heating mantle, an oven, etc. In this embodiment, the heating device is an oven.

[0047] refer to figure 1 and figure 2, when in use, place the base 1 horizontally, then place the sleeve 2 vertically on the base 1, then place a certain amount of latex powder in the sleeve 2, and finally place the cylinder 5 in the sleeve 2, and then Put the base 1, the casing 2 and the cylinder 5 into an oven, and place them at a certain temperature for a certain period of time. This process simulates the anti-agglomeration state of the latex powder in the force and heat holding time, etc., and then uses a vibrating sieve with a cer...

Embodiment 2

[0056] The difference with Example 1 is:

[0057] refer to image 3 and Figure 4 One end of the outer wall of the casing 2 is fixedly connected with a tight ring 21, and the side of the tight ring 21 facing the center of the sleeve 2 is provided with a compression ring 3, and a compression spring is arranged between the compression ring 3 and the tight ring 21 31, the end of the compression ring 3 away from the axis of the casing 2 extends toward the direction close to the base 1, the end of the compression ring 3 close to the base 1 is fixedly connected with a convex edge 32, and the convex edge 32 is close to the edge position of the surface of the center of the casing 2 Protrude upwards to form a fixed ring 33, the tight ring 21 is fixedly connected with the guide rod 22, the compression spring 31 is sleeved outside the guide rod 22, the top of the guide rod 22 passes through the compression ring 3 and is slidably connected with the compression ring 3, The top of the gui...

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Abstract

The invention relates to the field of redispersible application technologies, and particularly discloses a device and a method for testing the anti-caking effect of redispersible latex powder, the device for testing the anti-caking effect of the redispersible latex powder comprises a base, a sleeve for accommodating the latex powder, and a cylinder, wherein the base of the cylinder can seal one end of the sleeve and the cylinder can be inserted into the sleeve. The method for testing the anti-caking effect of the redispersible latex powder comprises the following steps that S1, the sleeve is vertically placed on the horizontal base, the latex powder is placed in the sleeve, the sleeve is beaten for multiple times, then the cylinder is placed in the sleeve, and an experiment whole body is obtained; s2, the experiment whole body in the step S1 is putted nto a heating device, and the experiment whole body is placed for 8-20 hours at the temperature of 30-70 DEG C and then is taken out; s3, the experiment whole body taken out in the step S2 is placed in a standard curing room to the room temperature; and S4, the latex powder in the step S3 is taken out and sieved. The device and the method have the effect of conveniently detecting the anti-caking performance of the redispersible latex powder.

Description

technical field [0001] The present application relates to the field of redispersible application technology, in particular to a test device and method for anti-caking effect of redispersible latex powder. Background technique [0002] In recent years, due to the gradual acceptance and wide application of various special dry powder mortar products, redispersible latex powder, one of the main additives of special dry powder mortar, has also attracted more and more attention; as people can redispersible latex The knowledge of powder and the understanding of spray drying process, the production of redispersible latex powder is no longer mysterious. [0003] Since redispersible latex powder is a thermoplastic material, it is affected by the application of raw materials, production, packaging and transportation during transportation and use, and it is prone to problems such as caking, especially in summer. Although a large number of people are studying the anti-caking effect of l...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/00G01N33/0091
Inventor 董慧艳王小梅吴梓红冀云鹏王建荣
Owner 北京博润佳科技有限公司