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Test method for rapidly evaluating leveling and sagging properties of water-based polymer material by using rotational rheometer

A rotational rheometer and water-based paint technology, applied in the field of inspection, can solve problems such as affecting development efficiency, time-consuming, and inability to give suggestions for improving performance.

Active Publication Date: 2020-05-19
NIPPON PAINT CHINA
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Problems solved by technology

[0016] In the traditional construction performance evaluation, the evaluation of leveling and sagging performance mainly depends on the visual and touch sensory evaluation of construction personnel and related personnel, which is relatively subjective and cannot be quantitatively evaluated. In the laboratory, a profiler is usually used to measure The measurement of the waveform amplitude of the coating film can objectively and quantitatively evaluate the leveling of the coating film. However, both methods need to be tested after the construction is completed, and only superficial results can be obtained, which cannot be given to the product development process. Suggestions to improve performance, while time-consuming, affect development efficiency, so the development of a rapid test method for evaluating the leveling and sagging performance of water-based polymer materials will have practical application significance

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  • Test method for rapidly evaluating leveling and sagging properties of water-based polymer material by using rotational rheometer
  • Test method for rapidly evaluating leveling and sagging properties of water-based polymer material by using rotational rheometer
  • Test method for rapidly evaluating leveling and sagging properties of water-based polymer material by using rotational rheometer

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Embodiment Construction

[0042] After long-term and in-depth research, the present inventor has obtained a method for efficiently, simply and directly measuring and evaluating the leveling and sagging performance of water-based coatings through the use of a rotational rheometer. The method can predict the leveling and sagging performance of the obtained water-based paint in the early stage of water-based paint product development, and can also quickly screen out water-based paints with construction performance that meet the requirements during the screening of water-based paints, and can even realize product quality control in the production stage. Accurate quality control, therefore, the method can greatly promote the product development process of water-based paints, help to screen water-based paints that are more suitable for the requirements, and ensure the quality control of water-based paints in the production process. On this basis, the inventors have completed the present invention.

[0043] L...

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Abstract

The invention relates to a test method for rapidly evaluating leveling and sagging properties of a water-based polymer material by using a rotational rheometer. Specifically, the method can be used for quickly, directly and efficiently testing and evaluating the leveling and sagging properties of the water-based polymer material by adopting the rotational rheometer.

Description

technical field [0001] The invention relates to the detection field, in particular to a test method for quickly evaluating the leveling and sagging performance of water-based polymer materials by using a rotational rheometer. Background technique [0002] Water-based polymer coating material is a chemical product with convenient construction, rich and colorful, economical and practical, safe and environmentally friendly. It not only has the function of preventing the surface of buildings, ships, machinery, etc. from rusting and prolonging the service life, but also has the function of decorating the environment to give people a beautiful enjoyment. Molecular coating materials are constantly developing towards higher performance, higher efficiency, and more environmental protection. Water-based polymer decorative materials have gradually become a more specialized fine chemical product. [0003] Construction performance is one of the important performances for evaluating wate...

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Application Information

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IPC IPC(8): G01N11/14
CPCG01N11/14
Inventor 张麟敏朱星星黄燕
Owner NIPPON PAINT CHINA
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