Phosphorus-containing polyester and size compositions

Details Phosphorus-containing polyester and size compositions Phosphorus-containing polyester and size compositions

1977-06-27

1978-09-05

Schulz, William E.

Compositions

Durable finishes for textile materials, or processes of...

Oil or water repellent or soil resistant or retardant

81156, 260 75P, 427390R, 428276, 528287, D06M 1326

Patent

active

041118162

ABSTRACT:
There are disclosed a phosphorus-containing polyester and size compositions especially useful for sizing spun and continuous filament yarn produced from hydrophobic fibers and useful in protecting these fibers from abrasion during the weaving process. When the size is used alone or in mixtures with conventional size agents such as starches and polyvinyl alcohol, improved adhesion is obtained to hydrophobic fibers or blends thereof with cotton or other hydrophilic fibers. Polyester, polypropylene and polyamide and other fibers are effectively sized with the size compositions of the invention. The polyester consists of a branched chain phosphorus-containing polymer which is the reaction product of at least one dicarboxylic reactant, at least one diol or polyoxyalkylene glycol and a phosphorus acid reactant selected from the class consisting of phosphorus pentoxide, phosphoric acid and mixtures thereof.

REFERENCES:
patent: 3028366 (1962-04-01), Engle et al.
patent: 3396149 (1968-08-01), Roedel et al.
patent: 3441540 (1969-04-01), Muller et al.
patent: 3595835 (1971-07-01), Pilz et al.
patent: 3694257 (1972-09-01), Dumont

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