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6773648 |
Meltblown process with mechanical attenuation
Cellulose containing dope is extruded through orifices and into a stream of gas moving in a direction generally parallel to the direction that the filaments are formed with varying degrees of...
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6592713 |
Method of producing a nonwoven material
Method for producing a nonwoven material comprising at least one layer of continuous filaments, such as spunbond- or meltblown fibers. A first web of continuous filaments ( 19 ) are laid on a wire...
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6153680 |
Thermoplastic polymer alloy compositions and in-line compounding process for direct sheet extrusion of sheets prepared from the thermoplastic polymer alloy compositions
Thermoplastic polymer alloy compositions and a process for preparing the compositions are provided comprising a blend of polypropylene, uncrosslinked ethylene copolymer, ionomeric copolymer of...
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5813068 |
Apparatus and a process for washing continuously wet-spun elastane
This invention relates to a new washing apparatus for the continuous production of elastane filaments which are produced by a wet-spinning process, which essentially consists of a stripping unit...
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5591388 |
Method of making crimped solvent-spun cellulose fibre
Staple fibres of solvent-spun cellulose are made by a method in which: i) cellulose is dissolved in an amine oxide solvent to form a hot cellulose solution, ii) the hot cellulose solution is...
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5458835 |
Process of making viscose staple fibers
Viscose filaments, preferably in staple fibre form, which have a decitex of less than 5.0 and a multi-limbed cross-section, the limbs having a length-to-width aspect ratio of at least 2:1. Examples...
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5358679 |
Manufacture of regenerated cellulosic fiber by zinc free viscose process
A process for the production of rayon fibers. The viscose solution is spun into a spinbath which is acidic in character but has no zinc salt like conventional baths. The spin bath contains...
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5259743 |
Spinning machine for wet-spinning process
A wet-spinning process for producing filament utilizes a pair of rollers in the spinning machine which have axes which are skewed to one another, i.e. include angles in projections both in vertical...
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5175196 |
Hollow fibres of modified poly-(2,6-dimethyl-p-oxy-phenylene)
A hollow fiber of amorphous, hydroxy-ethylated poly-(2,6-dimethyl-p-oxyphenylene) (PPO-OH) with a glass transition temperature (Tg) of from 180° to 200° C. is disclosed, which is formed by a...
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4575376 |
Method for increasing the absorbency of cellulosic fibers
Method for increasing the absorbency of cellulosic fibers by a high temperature wet treatment comprising heating the fibers in a water bath at temperatures within the range of about 95° C. to...
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4388260 |
Method of making viscose rayon
A crimped, high wet modulus viscose rayon fiber having a multilobular, skin core cross-section wherein the core is surrounded by a discontinuous broken skin that imparts to fabrics an improved...
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4328838 |
Thick and tough cellophane for casings and method of preparing the same
Thick and tough cellophane for casings is provided wherein viscose is passed through an aqueous coagulation solution containing 15 to 30 weight percent of middle or higher alcohol and/or polyhydric...
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4255101 |
Device for the continuous spinning of viscose rayon
A device for the continuous spinning of viscose rayon includes a main or cessing roller and a plurality of secondary or advancing rollers set askew with respect to the processing roller. The...
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4234312 |
Process and device for the continuous spinning of viscose rayon
The removal of water from viscose rayon yarns in the continuous spinning of such yarns is improved by subjecting the yarns to the action of an air jet before the thermal drying treatment. The air...
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4063883 |
Manufacture of flame-retardant regenerated cellulose fibres
Manufacture of flame-retardant regenerated cellulose fibres by adding one or more flame-retardant phosphorus comounds to viscose, extruding the viscose-containing mixture thus obtained into a...
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3620775 |
EDIBLE COLLAGEN CASING
An edible sausage casing having improved stuffing, linking, and cooking characteristics is prepared from hide collagen. Animal hides, either fresh, frozen or salt-cured, limed or unlimed, are...
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3539678 |
HIGH SPEED SPINNING METHOD OF VISCOSE RAYON FILAMENTS HAVING HIGH WET MODULUS
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3525787 |
PROCESS FOR PRODUCING LOW PERMANENT SHRINKAGE CELLOPHANE
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3515780 |
PROCESS FOR DRYING GEL-REGENERATED CELLULOSE FILM
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3434913 |
VISCOSE RAYON FIBER AND METHOD OF MAKING SAME
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3432589 |
PROCESS FOR MANUFACTURING REGENERATED CELLULOSE FILAMENTS
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3423497 |
APPARATUS AND PROCESSES FOR THE PREPARATION OF AN ENDLESS THREAD CABLE FOR PRECISION CUTTING
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3420814 |
PROCESS FOR PRODUCING ARTIFICIAL STAPLE FIBERS
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3388117 |
Filaments of regenerated cellulose
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3372082 |
Hollow filaments of a tetrafluoroethylene polymer and process for preparing them
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3280234 |
Method for producing regenerated cellulose film
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3248466 |
Process for producing two component crimpable regenerated cellulose fiber
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3226461 |
Manufacture of regenerated cellulose fibers from viscose
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3219740 |
High speed tubular spinning of fine viscose rayon yarn
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3153687 |
Production of viscose rayon
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3139467 |
Method for spinning viscose
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3128147 |
Process for treating polynosic fibers and products obtained thereby
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3121762 |
Method and apparatus for producing regenerated cellulose film
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3114747 |
Process for producing a fibrous regenerated cellulose precipitate
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3109699 |
Method for making rayon filaments
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3109700 |
Method for making rayon filaments
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3108848 |
Manufacture of regenerated cellulose structures from viscose in the presence of modifiers
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3108849 |
Process for producing viscose regenerated cellulose fibers
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3082481 |
Method of making a gas filter
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3077374 |
Method for producing crimped regenerated cellulosic fibers
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3050823 |
Crimpable regenerated cellulose fibers and yarn
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3046083 |
Method for producing crimped rayon staple fiber
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3038779 |
Method for simultaneously producing fibers of different denier and similar crimp
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3026170 |
Manufacture of viscose rayon
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3026171 |
Manufacture of rayon
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3011861 |
Wet spinning polyvinyl alcohol process
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2994576 |
Process for spinning polyvinyl alcohol filaments and remaining impurities therefrom
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2989410 |
All skin viscose rayon and method of preparing same
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2989366 |
Method of preparing all skin viscose
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2986446 |
Crimped regenerated cellulose fibres
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