摘要:
An energy recovery system having a core unit permitting heat and moisture exchange between air streams passing therethrough, the core unit having two or more multilayer composite structures, the multilayer composite structure being made up of: a porous rigid or semi-rigid frame having a plurality of holes passing from a first surface to a second surface and which can be corrugated, and a polymeric film comprising a sulfonated block copolymer bonded to at least one of the first and second surfaces of the frame covering said plurality holes.
摘要:
A process for laminating a polar substrate with a film cast from a sulfonated block copolymer having at least one end block A and at least one interior block B wherein each A block contains essentially no sulfonic acid or sulfonate ester functional groups and each B block is a polymer block containing from about 10 to about 100 mol percent sulfonic acid or sulfonate ester functional groups based on the number of monomer units. The film is exposed to water and dried onto a polar or active metal substrate. The laminates do not delaminate in the presence of water and may be used for a variety of applications including energy exchange applications.
摘要:
Blends comprising a sulfonated block copolymer and particulate carbon are useful materials for membranes, films and coatings in applications which require high dimensional stability, high water vapor transport, high conductivity, and low flammability. The sulfonated block copolymer comprises at least two polymer end blocks A and at least one polymer interior block B wherein each A block contains essentially no sulfonic acid or sulfonate functional groups and each B block is a polymer block containing from about 10 to about 100 mol percent sulfonic acid or sulfonate functional groups based on the number of monomer units of the B block.