Abstract:
Stabilised emulsions in halogenated hydrocarbon solvents of aqueous solutions or dispersions of dyestuffs or textile finishing agents, in which the emulsifying agents present comprise ethyl hydroxyethyl cellulose and one or more anionic surface-active agents. Also treatment of textile materials with such stabilised emulsions.
Abstract:
A COMPOSITION OF MATTER COMPRISING A DISPERSION OF A SOLID, PREFERABLY A PIGMENT, DYESTUFF OR TEXTILE FINISHING AGENT IN AN ORGANIC SOLVENT AND A POLYUREA ESSENTIALLY FREE FROM BASIC AMINO GROUPS WHICH CONTAINS AT LEAST TWO UREA GROUPS AND AT LEAST TWO ALKYL, ALKENYL OR ALKAPOLYENYL GROUPS CONTAINING AT LEAST EIGHT CARBON ATOMS, SAID POLYUREA BEING SOLUBLE IN THE ORGANIC OLVENT, AND THE USE OF THE SAID COMPOSITIONS OF MATTER.
Abstract:
A fungal alpha-amylase is provided from Aspergillus fumigatus (AfAmyl). AfAmyl has an optimal pH of 3.5 and is operable at 30-75 degrees C., allowing the enzyme to be used in combination with a glucoamylase and an isoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the alpha-amylase or glucoamylase. AfAmyl also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DPI+DP2) compared to the products of saccharification catalyzed by an alpha-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
Abstract:
Compositions and textile sizes based on those compositions, which are particular poly(vinyl alcohol) copolymer ionomers, as well as blends of those ionomers with other sizing polymers are described. A process to prepare the ionomers is described. The compositions are poly(vinyl alcohol) copolymers which have carboxylic acid ionomer comonomer units. Sizes based on these ionomers are aqueous solutions of the ionomers or solutions of blends of them with other poly(vinyl alcohol) polymers which are not ionomeric, or solution/suspensions of the ionomers with various starches, or both. Desizing in either water or caustic solutions is generally far superior to comparable polymer blends which contain no poly(vinyl alcohol) copolymer ionomer.
Abstract:
A process for desizing cellulose-containing fabric comprises treating the fabric with a modified enzyme (enzyme hybrid) which comprises a catalytically active amino acid sequence of an enzyme, particularly a non-cellulolytic enzyme, linked to an amino acid sequence comprising a cellulose-binding domain. A desizing composition suitable for use in the process comprises an enzyme hybrid of the type in question and a wetting agent.
Abstract:
Gemische verschiedener stärkeabbauender Enzyme (Amylasen), die aus mindestens einer Hochtemperaturamylase (HTA) und mindestens einer Niedertemperaturamylase (NTA) im Aktivitätsverhältnis von HTA zu NTA von 10 % : 90 % bis 90 % : 10 % bestehen, entwickeln im Temperaturbereich von 30 bis 90°C mindestens 60 % ihrer maximalen Aktivität. Solche Gemische können mit Wasser verdünnt und mit üblichen Zusatzmitteln versetzt werden. Diese Gemische eignen sich zum Entschlichten von mit Stärke geschlichteten Textilien durch Behandlung der Textilien mit den genannten Gemischen und anschließendem Spülen.
Abstract:
There are disclosed graft polyesters useful as adhesives and coatings and especially useful in processes for sizing spun and continous filament synthetic organic and inorganic fibrous yarn. One embodiment of the invention is a textile size composition having free carboxyl groups which is prepared in situ on a textile yarn by the application of heat or radiation to a mixture of an unsaturated polyester reactant and a monovinyl monomer reactant comprising an acidic monovinyl monomer having at least one carboxyl group or mixtures thereof with any monovinyl monomer. Desizing can be accomplished by partial neutralization of the size to a pH of at least 6 by reacting the size with a base to render the graft polyester water-dispersible or water-soluble. Also disclosed are cross-linked graft polyesters obtained by reacting an unsaturated polyester with at least one polyunsaturated vinyl monomer.
Abstract:
A changing device includes a feed component, a winder, a desizing oven, a coating component and a sizing component, and the feed component is provided for supplying a carbon fiber material, and a thermosetting resin oil is covered onto a surface of the carbon fiber material, and a desizing oven is provided for removing the thermosetting resin oil form the surface of the carbon fiber material, and then the coating component coats a surfactant onto the surface of the carbon fiber material, and finally the sizing component is used to coat a thermoplastic resin oil onto a surface of the surfactant to form a carbon fiber product to be wound onto a rewinding part of the winder, so as to produce a carbon fiber product with a thermoplastic resin oil coated onto a surface of the carbon fiber product.
Abstract:
Disclosed is a method of sizing and desizing yarn, or more specifically to a method of coating yarn with size and removing size from yarn with liquid carbon dioxide solvent.
Abstract:
A process is provided for manufacturing a high quality cloth having a width of 150 cm or any width in which likelihood of occurrence of defects such as color shading, rub marks, wrinkles and creases due to fabric dyeing method is eliminated and color fastness is enhanced. A process for manufacturing a woven or knit fabric using yarn dyed silk comprises the steps of dyeing (step 3) sericin which covers the periphery of silk fibers and fibroin which is located inside thereof into the same color; making yarn dyed silk (step 4, 5) by doubling and twisting the dyed silk fibers; making a cloth (step 6) by weaving or knitting the yarn dyed silk swelling (step 7) the yarn, tyed silk which constitutes the cloth by dipping the cloth into hot water in a tub; and decomposing (step 8) sericin of the yarn dyed silk of the cloth with an enzyme in hot water in a tub.