Non-wicking polyurethane casting systems

Details Non-wicking polyurethane casting systems Non-wicking polyurethane casting systems

1978-10-20

1980-09-23

Hart, Charles N.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210323T, B01D 3100

Patent

active

042241642

ABSTRACT:
A non-wicking polyurethane casting system has been developed which comprises the reaction product obtained by admixing a polyol containing N-N-N'-N'-tetrakis (2-hydroxypropyl) ethylene diamine, (hereafter referred to as QUADROL) with an isocyanate terminated polyurethane based prepolymer. This non-wicking casting system is useful as a potting compound in biomedical applications such as dialysis and hemoultrafiltration devices and the like.

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patent: 3252848 (1966-05-01), Borbellino
patent: 3345311 (1967-10-01), Ehrlich et al.
patent: 3362921 (1968-01-01), Ehrlich
patent: 3424701 (1969-01-01), Kwawa
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patent: 3483150 (1969-12-01), Ehrlich
patent: 3870683 (1975-03-01), Freure et al.
patent: 3962094 (1976-06-01), Davis et al.
patent: 4125545 (1978-11-01), Kroplinski et al.
"Membrane Ultrafiltration", M. C. Porter et al., Chem. Tech., Jan., 1971, pp. 56-63.

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