A kind of modified polyether composition
A technology of composition and polyether, which is applied in the direction of foam dispersion/prevention, separation method, liquid degassing, etc., can solve the problems of high control cost, no contribution to wettability, single molecule of defoamer, etc.
Active Publication Date: 2020-12-25
湖南臻诚高分子新材料有限公司
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Problems solved by technology
The molecule of the defoamer is relatively simple, and the technical difficulty of production is also greatly increased. The control cost required to solve the difference between batches is very high, and the formed product can only contribute to defoaming, and has little contribution to wettability. In the production process of industrial paint, it is still necessary to adjust by adding a large amount of wetting agent.
Method used
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Embodiment 2
[0041] Examples of linear polysilicon B:
[0042]
Embodiment 3
[0044] Example of alkynol C:
[0045]
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Abstract
The invention relates to a modified polyether composition. The modified polyether composition contains H-shaped silicone polyether, linear silicone polyether, alkynol polyether and silica. The composition disclosed by the invention can control foam on an acceptable degree, has low surface tension, and also has an excellent synergistic effect on wetting and leveling. In addition to foam control andsurface control in aspects of water-based ink, coatings, industrial wood lacquer and the like, the composition can be applied to other systems in which organic silicon defoamers cannot be used, suchas biological sewage treatment and landfill leachate.
Description
technical field [0001] The invention relates to a modified polyether composition, which has the functions of foam control and wetting, and belongs to the technical field of fine chemicals. Background technique [0002] In today's social environment, environmental protection has reached an unprecedented height, permeating all aspects of life. There is no doubt that the safety and environmental protection of living places is a major issue related to personal health. [0003] Water-based coatings generally consist of water-based binders, pigments, fillers, dispersants, thickeners, wetting agents, leveling agents, and defoamers. Water-based industrial paint is a very important part of the water-based paint family. Water-based industrial paint is mainly used as diluent with water, and does not require curing agent, thinner and some solvents. It is a new type of environmental protection anti-rust and anti-corrosion coating that is different from oil-based industrial paint. The a...
Claims
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IPC IPC(8): B01D19/04
CPCB01D19/0404B01D19/0409
Inventor 不公告发明人
Owner 湖南臻诚高分子新材料有限公司