Batteries: thermoelectric and photoelectric – Thermoelectric – Radiation pyrometer
Patent
1974-03-28
1976-07-06
Walton, Donald L.
Batteries: thermoelectric and photoelectric
Thermoelectric
Radiation pyrometer
136148, H01M 214
Patent
active
039679780
ABSTRACT:
A resin sheet having a porous layered structure useful as an electrode separator for electric cells, said sheet comprising (a) an olefin resin, (b) a finely divided inorganic substance, and (c) at least one substance selected from the group consisting of (i) a water-swellable thermoplastic resin, (ii) a water-insoluble or difficultly water-soluble hydrophilic nonionic surface active agent, and (iii) a water-insoluble difficultly water-soluble hydrophilic anionic surface active agent, said sheet including fine pores arranged throughout its cross section in a plurality of layers, at least some of them forming open cells.
The above sheet is prepared by a process comprising fabricating a mixture containing the above components (a), (b) and (c) into a sheet, and stretching the sheet in at least one direction.
REFERENCES:
patent: 2700694 (1955-01-01), Fernald
patent: 3045058 (1962-07-01), Martinak
patent: 3239381 (1966-03-01), O'Connell
patent: 3247025 (1966-04-01), Beaulieu et al.
patent: 3536796 (1970-10-01), Rock
patent: 3725520 (1973-04-01), Suzuki et al.
patent: 3853601 (1974-12-01), Taskier
Hata Hiroyoshi
Honda Seiichirou
Simura Yosimasa
Une Soichi
Sekisui Kagaku Kogyo Kabushiki Kaisha
Walton Donald L.
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