摘要:
Pile fabrics prepared from synthetic fibers having a textured or embossed surface resulting from a process which comprises selectively contacting the surface of said fabric with a chemical embossing agent therefor, allowing the embossing action to occur, and thereafter effectively removing the embossing agent from the surface; said embossing serving to reduce the height of the pile in the treated areas and creating said textured appearance.
摘要:
Liquid and solid compositions are provided for souring and imparting softness to freshly laundered textile materials. When in the form of a stable homogeneous liquid, the composition may contain a fatty amide of the class described more fully hereinafter as a softening agent, a water soluble organic acid containing about 1-20 carbon atoms and having a primary ionization constant between 10.sup.-1 and 10.sup.-5 as the souring agent, and water. When in the form of a stable dry solid, the composition may contain the aforementioned fatty amide as a softening agent, and a dry solid water soluble organic acid containing 2-20 carbon atoms and having a primary ionization constant between 10.sup.-1 and 10.sup.-5 as the souring agent. Stable homogeneous stock solutions are prepared from the novel liquid or solid compositions of the invention.
摘要:
A method for reforming a cellulose fiber cloth comprising applying an aqueous solution of a monocyclic aromatic hydrocarbon dissolved in a water soluble organic solvent to a cellulose fiber cloth and soaking the resultant cloth in a non-dried state with a concentrated sulfuric acid solution.
摘要:
Valuable and highly water soluble N-phosphono methylene mono- and di-amino alkane mono- and polyphosphonic acids which have not only an >N--CH.sub.2 --PO.sub.3 H.sub.2 group but also a C--PO.sub.3 H.sub.2 group in their molecule are produced by reacting amino alkane mono- or diphosphonic acids with formaldehyde and phosphorous acid or alkane nitriles with phosphorous acid, formaldehyde, and concentrated hydrochloric acid. The resulting phosphonic acid compounds are valuable sequestering agents forming complex compounds with bi- and polyvalent metal ions. They are useful for water softening even in substoichiometric amounts, in textile treatment baths, in the paper manufacture, in tanning baths, for the manufacture of liquid fertilizers, and for other purposes.
摘要:
The color and odor of technical N-alkyl (C12-C22)-1, 3-propylene diamines may be improved by treating the diamine with acrylic acid and/or methacrylic acid monomer, after which the monomer is polymerized and neutralized. The addition of small amounts of urea and/or sugar to the treated N-alkyl-1, 3-propylene diamine further improves the fabric softening properties of the diamines and reduces fabric discoloration.
摘要:
Reaction of lignocellulosic material with uncatalyzed acetic anhydride in the absence of any cosolvent is disclosed. The process improves dimensional stability and resistance to biological attack of the lignocellulosic material. Lignocellulosic material is treated by exposure to liquid acetic anhydride for at least a short period of time, after which it is then heated to acetylate the material. The excess anhydride and byproduct acetic acid can be removed by vacuum.
摘要:
The present invention relates to a durable press process for cellulosic fiber-containing fabrics which utilizes formaldehyde and a water soluble liquid or gaseous acid catalyst to impart wrinkle resistance to the fabric.
摘要:
A fibrous web is parchmentized by drawing the web from a parchmentizing bath and passing it through successive washing positions and the feature of the invention resides in maintaining at a substantially constant level the temperature of the washing liquid at the first washing position.
摘要:
Water repellancy is imparted to fibrous cellulosic textile material by applying to it, for a very short period of time, an isopropenyl ester containing a catalytic amount of an acid catalyst and then heat curing the treated material. Excellent water repellancy is obtained at a very low degree of substitution and a high degree of retention of tensile strength.