Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1987-08-31
1988-08-23
Page, Thurman K.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
65 34, 1062865, 1621641, 162182, 162 9, 252 89, 252 52A, 25217421, 252351, 252 8554, 4273897, 4273898, 4273931, 428290, 428375, 428392, 428393, 428403, 428404, D04H 158, B05D 302, C03C 2502, D21C 900
Patent
active
047660309
ABSTRACT:
An oxonated poly (alkylene oxide) substantially devoid of hydrocarbon chains of 5 or more carbon atoms is used to treat substances bearing negative electrostatic charges, so as to reduce such charges without rendering the substance hyrophobic. In this manner static electricity can be reduced in textiles, paper or plastic film; glass or glass fibers can be lubricated; wood pulp can be debonded; anti-self sizing or water-dispersible paper can be made; clays, pigments and other minerals can be hydrophilized; bitumen can be recovered from oil or tar sands; and petroleum can be recovered from underground wells by secondary or tertiary recovery techniques.
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