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6589392 |
A melt-extruded multicomponent monofilament having good abrasion resistance, flex-fatigue toughness and dimensional stability. The monofilament is particularly suitable for use in the manufacture of papermaking machine forming fabrics, a...
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5688596 |
An aromatic polyamide filament includes extremely fine inorganic material having a high refractive index of 2.0 or more and an extremely fine average particle size of 0.3 μm or less and dispersed, in an amount of 0.1 to 5% based on the ...
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4504545 |
A polyamide fiber excellent in strength, which is characterized by being made of a polyamide having a relative viscosity of not less than 3.5 (measured on a 96% by weight sulfuric acid solution having a polyamide concentration of 10 mg/m...
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4346146 |
Porous flame retarded acrylic synthetic fibers consisting of cellulose acetate and a modacrylic copolymer containing vinyl chloride and/or vinylidene chloride are produced by spinning an organic solvent solution of a polymer consisting o...
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4343859 |
The present invention relates to an improved process for forming elastomeric fibers for elastic yarn from neutralized sulfonated elastomeric polymers, and novel elastomeric fiber compositions derived therefrom, wherein the neutralized su...
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4294884 |
An acrylic fiber having improved basic dyeability and the method for making the same wherein an acrylic polymer containing a sulfonated vinyl monomer as a part thereof is dissolved in a suitable solvent to form a spinning dope and a solu...
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4293613 |
Disclosed is an acrylic fiber having improved basic dyeability. The fiber is made by a process wherein a copolymer of an acrylic monomer and a sulfonated vinyl monomer is dissolved in a solvent to form a spinning dope and a solution of p...
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4160760 |
A method for interacting Prussian blue with polyacrylonitrile in the presence of dimethylformamide to produce a polymer solid exhibiting a high degree of color fastness, levelness, and stability and having enhanced and highly useful elec...
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4082658 |
Hollow fiber membranes of copolymers of ethylene with 5 to 20 weight percent of copolymerizable vinyl monomers display much superior permeabilities to organic compounds than do polyethylene hollow fibers, less loss of permeability upon s...
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4049613 |
Carbon fiber-polyetherimide matrix composites are provided, based on the use of polyetherimide having terminal nitro groups. The carbon fiber-polyetherimide composites have high strength, high modulus and superior solvent resistance.
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4024119 |
Sulfone polymers are disclosed containing bibenzyl sulfone repeating units having the formula ##STR1## These polymers exhibit good mechanical properties, toughness, flexiblity, thermal and chemical stability and can be heat processed, ex...
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4007248 |
A method for obtaining delustered polyacrylonitrile fibers, wherein fibers are formed from a spinning solution, that is, being a mixture of two copolymer solutions, one of them being polyacrylonitrile and the other a ter grafted copolyme...
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3714111 |
A composite comprising a charrable resin or plastic reinforced by fibers prepared from the resin condensation products of phenols and aldehydes which can be fiberized and cured.
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3673280 |
Elastomeric materials and methods of producing them comprising: A. about 50-90 percent by weight of a base elastomeric composition as a "backbone" or main component formed by copolymerizing a mixture comprising 1. about 75-99.9 percent b...
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3549597 |
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3385831 |
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3165499 |
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3121607 |
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3038237 |
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3022926 |
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2988802 |
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2979883 |
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2952879 |
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2938811 |
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2931068 |
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2917779 |
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2823421 |
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2810646 |
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2781242 |
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2707805 |
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2688005 |
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2684337 |
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2615784 |
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2604689 |
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2597557 |
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2578899 |
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2573273 |
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2491409 |
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2426719 |
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2420565 |
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2403317 |
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2389655 |
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