Solvents with unique uses in water-based coatings
Water-based coatings are more and more widely used, but even pure water-based coatings contain solvents. Some are used as film-forming additives, and some improve the drying speed of the coating. Some…
Does foam caulk also expand with heat and shrink with cold?
Foam caulkis a Polyurethane foam adhesive material with a wide range of uses. Polyurethane foam caulking agent is mainly used to fill gaps in building doors and windows, and can also be used In cold s…
Signed! Zhenhai Refining and Chemical cooperates with BASF on key raw materials for new generation of environmentally friendly plasticizers
On October 10, 2023, Sinopec Zhenhai Refining and Chemical Company and German BASF held a signing ceremony for the isononanol project in Zhenhai Refining and Chemical Company. On the afternoon of Octo…
The difference between high-efficiency filters with partitions and without partitions
YesUsers often ask, What is the difference between high-efficiency filters with partitions and without partitions? What are the differences between the applications? Although their names differ only b…
Signed! Zhenhai Refining and Chemical cooperates with BASF on key raw materials for new generation of environmentally friendly plasticizers
On October 10, 2023, Sinopec Zhenhai Refining and Chemical Company and German BASF held a signing ceremony for the isononanol project in Zhenhai Refining and Chemical Company. On the afternoon of Octo…
Can the high efficiency filter be washed with water?
High-efficiency filter is a device for purifying air. It mainly consists of non-woven filter paper, metal frame, polyurethane high-efficiency filter glue and other components. So how to clean the high…
Reaction of polyurethane isocyanate with water
German chemist A.Wurtz believes that isocyanate reacts with water to first generate unstable carbamic acid, which is then decomposed into carbon dioxide and amines. In the presence of excess isocyanat…
Polyurethane isocyanate reacts with urethane and urea groups
Carbamate and urea groups still contain activity Hydrogen can continue to react with isocyanate groups to form cross-linking bonds. The activity of urethane group and urea group is lower than that of …
Polyurethane reacts with water
Production of microporouspolyurethane Elastomers often use water as a foaming agent. In addition, trace amounts of water are inevitably present in polyols such as polyester and polyether and other raw…
Using a frame with foam caulk to tile is strong and durable
We know how to decorate your home At that time, many people would choose to lay tiles on the floor for decoration in order to look good. After the tiles were laid, the floor would look much smoother a…
