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Measurement device and method for quantitatively representing drying and curing time of emulsion colloid

A quantitative characterization and curing time technology, applied in the investigation stage/state change and other directions, can solve the problems of not having clear guiding significance, insufficient to characterize the curing time of the colloid drying state, etc., to achieve a simple and fast method, rapid determination, and low investment. Effect

Inactive Publication Date: 2020-01-03
HONGYUN HONGHE TOBACCO (GRP) CO LTD
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Problems solved by technology

[0002] The drying or curing time of the emulsion colloid has not been clearly determined and characterized. Refer to "GB / T9267-2008 / ISO 2115:1996 Determination of white point temperature and minimum film-forming temperature of polymer dispersions for coatings and coatings and plastics. "It can determine the minimum film-forming temperature of the colloid, but it is not enough to characterize the overall drying state of the colloid or the accurate curing time; refer to "GBT 19466.2-2004 / ISO 11357-2:1999 Plastic Differential Scanning Calorimetry (DSC) No. 2 Part: Determination of Glass Transition Temperature" can measure the glass transition temperature of colloids, but it mainly explores its internal transition critical point, which has no clear guiding significance in the actual emulsion research

Method used

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  • Measurement device and method for quantitatively representing drying and curing time of emulsion colloid
  • Measurement device and method for quantitatively representing drying and curing time of emulsion colloid
  • Measurement device and method for quantitatively representing drying and curing time of emulsion colloid

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Embodiment 1

[0024] The described measuring device for quantitatively characterizing the drying and curing time of the emulsion colloid comprises: a measuring plate A and a scraper B; the measuring plate A is provided with a depth along the length direction of the measuring plate A which gradually changes from deep to zero. Groove C, the inclination of the bottom surface of groove C is 15°~30°; the wall surface of groove C must be smooth, clean and dry. To ensure that the test film formed by the emulsion colloid is uniform and continuous, so as to ensure the accuracy of the measurement results.

[0025] The roughness of the contact surface between the scraper B and the measuring board A and the surface where the groove of the measuring board A is located is: Ra is less than 0.3 μm, so as to ensure its smoothing effect. A film is formed in the groove C to prevent the emulsion colloid from leaking out of the groove C, or the thickness of the formed test film is higher than that of the groove...

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Abstract

The invention relates to a measurement device and method for quantitatively representing drying and curing time of emulsion colloid, and belongs to the technical field of representation measurement ofthe emulsion colloid. The measurement device comprises a measurement plate and scrapping plate, wherein a groove inclining at a certain angle is formed in the measurement plate. The measurement method comprises the steps of placing to-be-measured emulsion colloid at one end, which is deep, of the groove of the measurement plate, scraping the emulsion colloid to be uniformly spread and filled in the groove by the scrapping plate, recording requirement time when a white-to-transparency change line of the emulsion colloid in the groove is parallel to depth graduation of the groove, thereby obtaining drying time of the emulsion colloid with different thicknesses. By the measurement device and the measurement method, the drying time or the drying speed of the emulsion time can be completed without arranging a large-size detector in a matching way, and the measurement device and the measurement method has the characteristics of simplicity, convenience, rapidness and low investment.

Description

technical field [0001] The invention belongs to the technical field of characterization and measurement of emulsion colloids, and in particular relates to a measuring device and method for quantitatively characterizing the drying and curing time of emulsion colloids. Background technique [0002] The drying or curing time of the emulsion colloid has not been clearly determined and characterized. Refer to "GB / T9267-2008 / ISO 2115:1996 Determination of white point temperature and minimum film-forming temperature of polymer dispersions for coatings and coatings and plastics. "It can determine the minimum film-forming temperature of the colloid, but it is not enough to characterize the overall drying state of the colloid or the accurate curing time; refer to "GBT 19466.2-2004 / ISO 11357-2:1999 Plastic Differential Scanning Calorimetry (DSC) No. 2 Part: Determination of Glass Transition Temperature" can measure the glass transition temperature of colloids, but it mainly explores i...

Claims

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Application Information

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IPC IPC(8): G01N25/06
CPCG01N25/06
Inventor 徐淑浩李国智朱雪峰龙雨蛟陈杰陈康宁杨仁礼
Owner HONGYUN HONGHE TOBACCO (GRP) CO LTD
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