Non-wicking polyurethane casting systems

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

1981-09-02

1983-09-20

Sadowski, David R.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

2103232, 2104931, 422 48, 523112, 528 60, B01D 3100

Patent

active

RE0313890

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
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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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