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Research on the preparation and performance of environmentally friendly water-cured polyurethane waterproof coatings
Time of Update: 2021-01-18
The quality of PB-9224 in the formula is 20, the other parts remain unchanged, by increasing the amount of hydro-water chaining agent DMBA, to investigate its impact on the performance of environmentally friendly water-cured polyurethane waterproof coating, the results can be seen in Table 2.
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The research progress and performance of water-based polyurethane chemical modified (including
Time of Update: 2021-01-03
At present, PU and methyl cellulose, polyethylene alcohol, ethylene acetate, butyl rubber, epoxy resin, polysilica and acrylic composite emulsions have been studied, of which the 3th type of composite emulsions are complementary in function and water-based polyurethane, especially on the water resistance and hardness, strength and other mechanical properties of polyurethane coating is more significant, therefore, the most active research.
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Another record high! Hanhai new materials were approved provincial high-performance special polyester engineering technology research center
Time of Update: 2020-12-31
At present, not only food, pharmaceutical packaging has a higher environmental protection needs, the wide application of special polymer materials also put forward higher requirements and challenges for research and development, in addition to focusing on research and development of heat seal and water-soluble direction of products, Hanhai new materials will also invest more research and development energy in high-performance special polyester-related applications, worthy of relevant fields and industry expectations!
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Research on the preparation and performance of UV-cured hydro-water coatings
Time of Update: 2020-12-29
In this paper, a new synthesis idea is adopted, based on low molecular weight acrylate co-polymer, the introduction of photosensitive monomer, and then photo-curing cross-linked film to make hydrophobic coatings, the introduction of GMA and monomer ratio, active thinner type and content and other factors on the paint hydrophobic and water resistance effects.
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Research on the development of high-performance water-based epoxy anti-corrosion primer
Time of Update: 2020-12-26
Liu Chenglou (Beijing Guotai Ruihua Fine Algae Silicon Special Materials Co., Ltd., Beijing 100083) Summary: Water-based epoxy resin curing system as a film, aluminum tripolyphosphate, zinc phosphate
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Research on the development and performance of flexible ceramic heavy anti-corrosion coatings
Time of Update: 2020-12-12
Therefore, the study selected phenolic epoxy resin mixed with bisphenol F resin, in the control of A component solid content and other component ratio unchanged, the choice of lipocycline as a curing agent, add a certain amount of plasticizer, study the different resin ratio to paint viscosity, physical mechanical properties, wear resistance, acid resistance and the effect of hot water resistance, the results can be seen in Table 3.
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Research on the performance of water-based epoxy anti-corrosion coatings
Time of Update: 2020-12-08
As can be known from Table 2, in this test design system, for alkaline resistance and salt water resistance, desiccant is the most affected factor, and B3 level is the best, while the amount of water-based epoxy emulsion and the quality ratio of epoxy emulsion and curing agent on the anti-corrosion performance of the second, dispersant, iron titanium powder dosage of the least impact.
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A list of experts in the performance evaluation of three-year projects for precision medicine
Time of Update: 2020-12-04
The review adopted the form of on-site defense of the meeting, the evaluation experts were selected from the national science and technology expert pool, a total of 12 people.
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The development and experimental research of the performance test platform of the new agitator
Time of Update: 2020-12-01
Mixing and mixing operation is one of the most widely used process unit operations, widely used in chemical, petrochemical, pharmaceutical, paper, coatings, metallurgy, wastewater treatment and other
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The research status and application and performance detection method of environmental purification coating
Time of Update: 2020-11-28
NanoTiO2 photocatalytic technology, which has emerged in the past 30 years, has high chemical stability, resistance to light corrosion, deeper price band energy level, can make some heat-absorbing chemical reactions in the nanoTiO2 surface of light radiation to be realized and accelerated, and non-toxic to human body characteristics, has become a hot topic in environmental purification coating research, by the attention of materials and environmental researchers China .
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The ship's high-performance anti-corrosion and anti-fouling coating research progress
Time of Update: 2020-11-21
Corrosion and defacement lead to poor ship structure strength and maneuverability, reduced propeller propulsion efficiency, increased noise, instrument failure, interference sonar, etc., not only shorten the ship's service life, reduce the sailing rate, greatly increase the ship's navigational resistance and increase fuel consumption; Therefore, high-performance ship anti-corrosion and anti-fouling coatings have been the focus of marine materials research at home and abroad, but also the focus of the development of marine military power technology.
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With the poor performance of 70% of Chinese medicine enterprises, it is the key to increase research and development and standardization
Time of Update: 2020-11-16
the first half of this year, Zixin Pharmaceuticals achieved operating income of RMB118 million, down 77.12% YoY, while net profit attributable to shareholders of listed companies was RMB214 million, down 469.23% YoY.
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A new generation of ultra-high-speed electrophoresis coating application performance research
Time of Update: 2020-11-04
Table 3 Effect of the zirconium film reaction time on the appearance and adhesion of the electrophoresis plate From Table 3, it can be seen that the initial adhesion of ED7 and EPIC and 240h wet and hot aging adhesion are all level 0, in line with the standard requirements.
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Development and Performance Research of Low VOC, Low Odor Waterborne Wood Coatings
Time of Update: 2020-10-29
Choose the film temperature low polyurethane dispersion and acrylic emulsion C to mix, on the one hand, can adjust the membrane system MFFT, reduce the amount of membrane additives, reduce the content of formula VOC, on the other hand, can use the advantages of complementary, improve the comprehensive performance of wood coating.
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Development and Performance Research of Low VOC, Low Odor Waterborne Wood Coatings
Time of Update: 2020-10-29
Choose the film temperature low polyurethane dispersion and acrylic emulsion C to mix, on the one hand, can adjust the membrane system MFFT, reduce the amount of membrane additives, reduce the content of formula VOC, on the other hand, can use the advantages of complementary, improve the comprehensive performance of wood coating.