| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a low-dusting joint compound used for building an architectural structure.SOLUTION: The joint compound is made by a method that comprises: predispersing a dedusting agent in water to make a predispersed dedusting agent; combining dry components, including at least one filler, to make a dry mixture; pumping process water into a vessel; introducing the predispersed dedusting agent to the vessel; adding the dry mixture to the vessel; and blending the dry mixture, water, and the predispersed dedusting agent to make a homogeneous product. The dedusting agent is a synthetic wax, such as a blend of at least two polyethylene glycols, a first polyethylene glycol is soft at room temperature and a second polyethylene glycol is solid at room temperature.</p> |
