Air leakage from windows turns out to be caused by cutting corners on polyurethane foam
Ask: Mr. ZhangThe windows in my home were installed four years ago. They were fine for the first two years and there were no problems, but they started to leak a little bit last winter. Now that we ha…
Ascend exhibits at FAKUMA to focus on innovation and sustainable development
Ascend at FAKUMA 2023 Presenting a richer product portfolio, global industrial chain and technical resources, localized production and R&D customization capabilities, it is committed to helping cu…
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…
Effect of hard segments on polyurethane properties
The hard segment of polyurethane is composed of reacted diisocyanate Or it is composed of diisocyanate and chain extender, containing strong polar groups such as aryl group, urethane group, substitute…
Classroom on basic knowledge of polyurethane (PU)
The full name of polyurethane is polyurethane Carbamate is a general term for macromolecular compounds containing repeating carbamate groups on the main chain. It is formed by the addition polymerizat…
Effect of soft segments on polyurethane properties
Oligomer polyols such as polyether and polyester form soft segments. Soft segments account for the majority ofPU, and the properties of PU prepared from different oligomer polyols and diisocyanates va…
Effect of hard segments on polyurethane properties
The hard segment of polyurethane is composed of reacted diisocyanate Or it is composed of diisocyanate and chain extender, containing strong polar groups such as aryl group, urethane group, substitute…
Classroom on basic knowledge of polyurethane (PU)
The full name of polyurethane is polyurethane Carbamate is a general term for macromolecular compounds containing repeating carbamate groups on the main chain. It is formed by the addition polymerizat…
How to clean foam caulking if it gets on clothes, walls, or hands
1. Foam caulkHow to clean Foam caulkThe adhesive force is very strong. Once it gets on clothes or skin, it will be difficult to clean off. If you want to better remove this glue Adhesive, you must use…
A brief discussion on polyurethane catalysts
A-1 is a solution composed of 70% bis(dimethylaminoethyl) ether and 30% dipropylene glycol , mainly used for soft polyether polyurethaneFoam plasticProduction of foaming tertiary amine Catalyst, also …
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