发明名称 |
Thin bed sorption/desorption apparatus and method for making the same |
摘要 |
A thin bed sorption/desorption apparatus includes a heater element laminated within a high temperature chemically inert polymer with an adhesive on the outside of the laminate being used to attach a thin film of small particle size sorptive material. Various embodiments of the apparatus are each arranged to provide a flow of a sample to be analyzed across the surface of the sorptive material. The method for making the thin bed sorption/desorption apparatus includes the steps of encapsulating a thin-film heater element in a laminated structure of a polyimide which is a high temperature, chemically inert polymer. The outside surface of the laminate is coated with a polyimide adhesive which is diluted with dimethyl formamide. The sorptive material in the form of a powder having a maximum particle size of 100 mesh is applied to the wet adhesive. Subsequently, the coated structure is heat cured at approximately 220 DEG C. for a period of approximately 30 minutes until the adhesive is dry and the sorptive material layer is fixed to the laminate.
|
申请公布号 |
US4599095(A) |
申请公布日期 |
1986.07.08 |
申请号 |
US19840663109 |
申请日期 |
1984.10.22 |
申请人 |
HONEYWELL INC. |
发明人 |
BARNES, DAVID A.;SZONNTAGH, EUGENE L. |
分类号 |
G01N30/00;(IPC1-7):B01D35/18;B01D53/04 |
主分类号 |
G01N30/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|