Methods for reducing seepage from wick-based controlled release devices, and wick-based devices having reduced seepage

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专利权人:

Padma Prabodh Varanasi

发明人:

Padma Prabodh Varanasi,Joel E. Adair

申请号：

US11120475

公开号：

US08292196B2

申请日:

2005.05.03

申请国别(地区):

US

年份:

2012

代理人:

摘要：

Methods and devices include having a container (1) for holding a liquid with a viscosity μ, and a porous wick (5) with an average pore size of at least about 4 microns to about 50 microns and a porosity ε between about 0.20 to about 0.75, and having a length L and a total exposed surface area A exposed to the ambient air. The viscosity of the liquid and the dimensions of the wick are such that a quantity A/μL is in a range of about 4×10−4 to about 18 cm/poise.

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