US2319822A - Composition for improving the absorbing properties of fabrics and the like - Google Patents

Description

created May as, 1943 COMPOSITION FOR IIVEROVING THE AB- SORBING PROPERTIES OF FABRICS tile THE LIKE Warren L. Moody and Stanley J. Wagar,

Richmond, Va.

No Drawing. Application August 30, 1940, Serial No. 354,908

Claims. (Cl. 8-1325) This invention relates to wetting andpene- 2. By drying faster the effects of any abrasion trating agents and particularly to the processing is reduced and increased life of the fabric results. of fabrics to impart to them the property of in- 3. The use of the salts in solution as in adye creased ability to wipe faster due to their greater bath intensifies shades or colors. aiilnity for water, 5 4. Dyed goods will have their colors intensified One of the objects of the invention is the treatwhen passed through a solution made according ment of fabrics and particularly new fabrics, to the disclosed lnvention.' such as towels, wiping rags and other water ab- 5. White goods are made whiter by this treatsorbing materials with certain specified inorganic en salts whereby the fabrics are immediately usable l0 y goods are imp ove in c lor an ipa pineagents. A towel treated as hereinafter pearance by the disclosed composition. 1

set out has immediate wipability and it is not abr s p c ss d s d s s d av W p n necessary to launder this towel or other treated q a t s f su passin t se f untr t d n w fabric four or live times by commercial launderd ing processes to render the towel or other fabric No laundering r n is necessary as Suitable s W p n medium. fabrics, such as towels, have immediate usability.

A still further aim of the invention is the im- 9. No breakinginis necessary. pregnation of a towel or other fabric with a finely o Objectionable f l n h ndadjusted balance of acid and alkaline i organic sn but s not load the o However, "it is of importance that the pH of the proportions indicated;

salts whereby the treated fabric fibre has ims It is to be understood h while the inventionv parted thereto properties which decrease surface is described specifically with regard to vegetable tension and lower contact angle of liquid comfibres and textile articles produced therefrom, it ing in contact therewith and increase capillarit is applicable to other vegetable materials, and of the fibres themselves, to porous inorganic materials generally, to ani- According to the instant invention materials mal rs and synthetic y m h s tossinmay be impregnated during the course of their t0 any material avin p iv P es manufacture, or manufactured articles may be which it s desired o improve. It is cohtem impregnated r th impregnation may be ma plated to cover all such and to be limited in this even when laundering used articles. respect ly as y be necessary by e 860 As illustrative of one manner of treatment, of the claims hereto fippendedbottom blea h piec bl or gray g ds is What we claim and desire to secure by Letters passed under a roll in animmerslon box con- Patent taming a solution formed of the following in- A method of treating tex l materials to gradients in the proportions indicated: improve their absorbent prop es compri n parts impregnating said materials with a water solu- Water (pH of which i '7) 1, tion of mono-alkali phosphate and an alkali earth Monosodium phosphate 4 hydroxide the pH of the solution being not more Slaked lime (not less than 97% Ca(0H)2) 1 than 2. A method of treating textile materials to ie 5211mm l pg as above will have 40 improve their absorbent properties comprising 9 o no mOre t an impregnating said materials with a water solu- After treatment the fabric carried to a dryer I tion of mono-alkali phosphate and slaked lime and the chemicals absorbed are fixed in the fabric. the PH of the solution being not more than The above solutmn may be used in injunction 3. A method of treating textile materials with wetting out agents such as soaps, alcohols, improve their absorbent properties comprising esters Sulphonated fatty alcohols glyccls 5111' impregnating said materials with a water soluphonated products as the last operation and dryn of monosodmm phosphate and slaked lime, g g fabric a finish to gain immediate the pH of the solution being not more than 6.8. Pa 4. A textile impregnating solution composed It will be understood that other alkaline or of water monosodmm hos hat e and slaked 11 e. alkali earth P p t may be employed in lieu the pH of the 50111610; bei g not more than 2 .8.

of the monosodium phosphate and other alkali 5 A tex tile impregnating solution composed earth hydroxides may replace the Slaked limeof the following ingredients in theaapproximate final solution does not exceed 6.8. l'arts The above solution when applied to textile le H of whichl 7) 1 eons and other fiber. impresses an no. o nt hos hat 4 the material and is not dissipated by y he Slaked lime (not less than 97% Ca(0H i 1 as are other materials. The advantages of the instant process maybe set out as follows: WARREN L. MOODY. 1. Treated fabrics are immediately wettable. STANLEY J. WAGAR.