Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1977-10-11
1979-03-20
Smith, Ronald H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427341, 427390C, 428263, 428265, 428272, 428395, B32B 700
Patent
active
041454693
ABSTRACT:
There are disclosed processes for preparing a textile treated with a water-insoluble polyester wherein a linear or branched chain water-soluble sulfonate or phosphate group containing polyester is coated or impregnated onto a textile substrate in combination with a crosslinking agent and subsequent to heating to co-react the crosslinking agent with the polyester, the treated textile substrate is exposed to an aqueous solution of a polyvalent metal ion reactive with said sulfonate or phosphate groups in said polyester.
Alternatively, there are disclosed processes for preparing a water-insoluble polyester on a textile substrate wherein a branched chain polyester having sulfonate or phosphate groups is coated or impregnated onto a textile substrate, the substrate is dried and subsequently exposed to an aqueous solution of a polyvalent metal ion reactive with said sulfonate or phosphate groups in said polyester.
The processes disclosed herein are useful in the preparation of nonwoven fabrics and finished woven fabrics such as sized fabrics including use as a pigment binder in sizing woven fabrics.
REFERENCES:
patent: T949068 (1977-08-01), Pacifici
patent: 3288631 (1966-11-01), Jorder
patent: 3415788 (1968-12-01), Jedlicka
patent: 3546008 (1970-12-01), Shields
patent: 3734874 (1973-05-01), Kibler et al.
patent: 3779993 (1973-12-01), Kibler et al.
patent: 3907736 (1975-09-01), Barton et al.
Login Robert B.
Newkirk David D.
BASF Wyandotte Corporation
Bell Janyce A.
Dunn Robert E.
Pierce Andrew E.
Smith Ronald H.
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