Molding Material Articles & Analysis: Older
2 articles found
The backing layer is prepared with the same polymer solution as the needle tip, and polyvinyl alcohol is used as the backing film-forming material to support the microneedle fractions, so that the backing layer has a tight bond with the microneedle tip, and the backing film and the needle tip can be consistently detached from the mold when the film is uncovered, ...
Mold damage in buildings has been occurring for many years. With the housing boom of the 1990s, the construction industry made widespread use of materials such as OSB particle board (a type of plywood compressed wood pulp and glue). ...