D06M2101/36

FIBER PRODUCTS WITH A COATING FORMED FROM AQUEOUS POLYMER DISPERSIONS

The present invention relates to textile fibre products having a coating comprising polymers based on ethylenically polymerisable monomers with a glass transition temperature of at least 60 and a coating method for coating fibre products with an aqueous polymer dispersion, wherein an aqueous polymer dispersion based on vinyl polymerisable monomers with a glass transition temperature of at least 60 C. is firstly provided, and this is brought into contact with a fibre product and then dried. The invention also relates to the use of corresponding polymer dispersions for the coating of fibre products, correspondingly coated fiber products, use thereof to reinforce mineral matrices, and corresponding fibre-composite materials, in particular textile-concrete composite materials. In particular, the invention relates to a coating means that can be applied to a textile fabric in a continuous, water-based process and enables an optimal introduction of force from the mineral matrix into the textile reinforcement.

REINFORCED COMPOSITE MATERIAL WITH IMPROVED MECHANICAL AND THERMAL PROPERTIES AND METHOD FOR OBTAINING THE SAME
20200263348 · 2020-08-20 ·

The present invention relates to a reinforced composite material, comprising an organic polymer, a silicon polymer, and an interphase between said organic polymer and said silicon polymer, wherein said interphase comprises chemical bonds between the organic polymer and the silicon polymer, and to a method to obtain said reinforced composite material. The present disclosure can be used to improve the mechanical properties of silica aerogels by functionalization of textile materials.

METHOD FOR SOL-GEL COATING OF TEXTILE MATERIALS

The invention relates to a method for the coating of a textile material, said method comprising the following steps: d) providing a coating composition comprising an aqueous solvent and an organosilicon precursor; e) impregnating the textile material with the coating composition by means of pad finishing; f) drying the impregnated textile material; characterized in that the coating composition contains no polycarboxylic acid or catalyst.

Methods for modification of aramid fibers

Methods are described for treatment of aramid fibers to modify the surface of the fibers. The treated fibers have improved adhesion to elastomer materials as compared to untreated fibers. Modification methods include irradiating the fibers, compressing and straining the fibers under a constant pull force and immersing the fibers in a coupling agent fluid. The treated fibers can be used with elastomers and provide reinforcement elements in products such as tires.

Method for manufacturing high tenacity fiber and high tenacity fiber manufactured thereby
20200248401 · 2020-08-06 ·

The present invention relates to a method of manufacturing a high tenacity yarn and a high tenacity yarn manufactured thereby. More particularly, the present invention relates to: a method of manufacturing a high tenacity yarn, the method including coating a yarn made of at least one of nylon and polyester to obtain a coated yarn, wherein the coating material contains 3 to 35 parts by weight of a reinforcing agent composed of a mineral material per 100 parts by weight of a coating liquid containing polyurethane; and a high tenacity yarn manufactured thereby. Therefore, it is possible to manufacture a yarn having high tenacity and improved processability by processing a nylon or polyester yarn having a relatively low tenacity as compared with a high modulus polyethylene (HMPE) yarn by use of a yarn coating technique, and further to reduce production cost.

HEAT RESISTANT, STAIN RESISTANT, AND ANTI-BACTERIAL FABRIC AND METHOD OF MAKING SAME
20200248398 · 2020-08-06 · ·

A high performance fabric comprised of a plurality of high-performance fibers coated with an anti-microbial compound and an anti-stain compound, where the high-performance fibers are polyester microfibers for comfort. The anti-microbial compound is a wash resistant non-organic antibacterial or a non-organic microbicidal. The anti-stain compound is hydrophobic or superhydrophobic, preferably polytetrafluoroethylene or silicone. Optionally, additional flame resistant fibers are interwoven with the high-performance fibers to increase flame resistance.

Method for fusing aramid/aramid fibers
10723849 · 2020-07-28 · ·

A method for welding aramid fibers, wherein a) at least one area of an aramid fiber is treated with an ionic liquid so that the aramid is partially dissolved, b) the aramid fiber is contacted via the dissolved area with another aramid fiber area with pressure being applied to the contact area, and subsequently c) the partially dissolved area of the aramid is re-coagulated.

ARAMID FABRIC HAVING EXCELLENT ADHESION TO POLYURETHANE MATRIX RESIN AND EXCELLENT TENSILE STRENGTH, METHOD FOR PRODUCING SAME, ARAMID FABRIC PREPREG COMPRISING SAME AND ARAMID FABRIC/THERMOPLASTIC POLYURETHANE MATRIX RESIN COMPOSITE COMPRISING SAME

An aramid fabric having excellent adhesion to a polyurethane matrix resin and excellent tensile strength is produced by the method including the steps of: (i) weaving a basket-structured aramid fabric by using aramid yarns as warp and weft yarns; and then (ii) dipping the woven aramid fabric in a sizing agent solution consisting of an aqueous polyurethane resin as a sizing agent and water, followed by squeezing and drying. In the present disclosure, the sizing agent is applied to the woven aramid fabric, thereby effectively preventing the deterioration in weaving efficiency. Further, the aramid fabric is woven in a basket weave, and thus the compactness of the aramid fabric is lowered and the wetting property of the aramid fabric with the polyurethane matrix resin is improved.

Textile fabric having a water-repellent finish and method for producing the same
10683606 · 2020-06-16 · ·

A textile fabric of aramid fibers has a water-repellent finish, wherein the water-repellent finish includes a mixture of a component A, a component B and a component C, wherein the component A is a reaction product of an aliphatic carboxylic acid with a methylol melamine, the component B is a paraffin wax, and the component C is an ester wax C1 and/or another paraffin wax C2. The water-repellent finish preferably is free of fluorine. Additionally, a method for producing the textile fabric is described.

HIGH STRENGTH POLYVINYLIDENE FLUORIDE COMPOSITE

The invention relates to fluoropolymer composites having a fluoropolymer matrix containing a functionalized fluoropolymer composition, and reinforced with fibers. The fibers can be chopped fibers, long fibers, or a mixture thereof, and the fluoropolymer matrix preferably is based on polyvinylidene fluoride. Any type of fibers, sized or unsized may be used with the functionalized fluoropolymer matrix composition to form the fluoropolymer composite.