40results about "Fibre treatment" patented technology

The invention discloses a method for preparing a superhydrophobic coating layer through composite of inorganic nano-particles with different average particle sizes, belongs to the field of novel materials, and in particular, belongs to the field of self cleaning materials. The inorganic nano-particles with different average particle sizes are composited to form a mixed dispersion liquid, then a silane coupling agent is added for hydrophobic modification of the composite nanoparticles in the mixed dispersion liquid under the action of a catalyst, and a composite nanoparticle dispersion liquid having a superhydrophobic property is obtained and acts on various soft or hard substrates through extraction, spraying, drop-coating, spin-coating and other methods to form the superhydrophobic coating layer; the superhydrophobic composite nanoparticle dispersion liquid is gradually diluted according to the proportion and then acts on a transparent material substrate, and the superhydrophobic coating layer having adjustable transparency can be obtained; the superhydrophobic coating layer has the contact angle greater than 160 degrees and the rolling angle of less than 5 degrees. The method is simple in process and is applicable to surface hydrophobic modification of various materials, and the transparency of the superhydrophobic coating layer can be adjusted according to different uses.

The invention discloses a synthesis method for terpolymer block silicone oil. The synthesis method is characterized by comprising the steps of: (A) adding 100 parts by weight of dimethyl cyclosiloxane or octamethyl cyclotetrasiloxane, 4 parts by weight of epoxy-terminated disiloxane and 15 parts by weight of dimethylacetamide, raising the temperature to 70-80 DEG C, adding 0.02-0.1 part by weight of base catalyst, raising the temperature to 110-120 DEG C, reacting for 3-4 hours, slowly opening vacuum, extracting solvents and low molecular weight matters, continuously raising the temperature to 140-145 DEG C, maintaining the temperature and the vacuum for 2 hours, so as to obtain epoxy silicone oil; and (B) adding 80-100 parts by weight of epoxy-terminated silicone oil, 6-30 parts by weight of polyether polyol and 150 parts by weight of isopropyl alcohol, carrying out backflow reaction for 6-15 hours at 80-86 DEG C, and decompressing and removing the isopropyl alcohol or adding a propylene glycol displacement solvent, so as to obtain amino polyether block silicone oil. By utilizing the terpolymer block silicone oil disclosed by the invention, the fabric has good hand feel, namely fluffy feel and smooth feel, cannot be yellowed or is slightly yellowed.

The invention discloses a preparation method and application of a water-soluble carbon fiber sizing agent. The water-soluble carbon fiber sizing agent contains 3-30 parts of water-soluble polymer, 0.04-1 part of adhesive, 0.1-2 parts of emulsifier and 60-97 parts of solvent, wherein the water-soluble polymer refers to a molecule containing a great quantity of one or several of hydroxyl, amino, acylamino and carboxylic acid. The preparation method comprises the following steps: at 60-100 DEG C, adding the water-soluble polymer into the solvent to be completely dissolved, and after the temperature is moderate, adding the adhesive and the emulsifier into the solution, and stirring for dissolution to prepare an integrated solution, thus obtaining the water-soluble carbon fiber sizing agent. Materials adopted by the invention are all non-toxic; after the carbon fiber is treated by using the water-soluble carbon fiber sizing agent, the surface of the carbon fiber contains a large quantity of active functional group, so that the surface hydrophilicity and dispersibility of the carbon fiber are greatly improved, good softness and flexibility of the carbon fiber are guaranteed, and the carbon fiber can be better applied to water treatment and other aspects having requirement for good dispersibility of the carbon fiber.

The present invention involves a method for manufacturing an article of clothing with a permanently embedded protective covering over at least one predetermined portion of the clothing that can be worn by infants, children and adults. The protective covering is made from a thermoplastic material that is applied to and thermally bonds or co-mingles with the outermost fabric fibers of the clothing article creating a permanently embedded liquid impermeable, non-porous protective covering that retains the same flexibility as the underlying fabric of the clothing article. The protective covering can be positioned across the top front portion of the clothing article and extend downward to a lower portion of the front of the clothing article creating an easy to clean particle and dirt resistant covering for the clothing article.

The invention relates to a new textile fabric with self-cleaning, anti-bacterium, mould proofing and radiation-proof functions, which is normal textile fabric through special coating layer process. The hot melt adhesive used in the coating layer accounts for 35 to 85%; the nanometer titanium dioxide power accounts for 1 to 15%; the nanometer mould proofing power accounts for 1 to 15%; the nanometer infrared power accounts for 2 to 8%; the nanometer absorbing material power accounts for 1 to 15%; all the particle sizes of the materials are less than or equal to 35nm. The invention has the advantage of multiple functions.

The invention provides a fabric static electricity remover and a preparation method thereof. The fabric static electricity remover is prepared from polyalcohol, silicone oil, a cation surfactant, an amphoteric surfactant and deionized water. The fabric static electricity remover is prepared by combining the antistatic performance of the surfactants, the moisture absorption of the polyalcohol and the antistatic performance and flexibility of the silicone oil, so a fiber surface has moisture absorption and ionicity, the electric conductivity of the fiber surface is improved, and the aim of preventing static electricity is fulfilled. By adoption of the fabric static electricity remover, charges of a fabric surface can be quickly removed, and the static electricity is eliminated. The fabric static electricity remover has certain capacity of preventing the charges from being gathered and can be directly applied to the fabric surface and used for removing the static electricity; the phenomena of trace formation and color change of fabric are avoided; and the fabric static electricity remover has an obvious static electricity removing effect, and the phenomena of trace formation and color change of the surface of a fabric sheet are avoided.

A method for fabricating a composite membrane includes coating a substrate, such as, for example, an asymmetrical porous hollow fiber substrate, with a solution which includes a perfluorinated polymer and a perfluorinated solvent. Prior to coating, the substrate is impregnated with an impregnation fluid which is immiscible with the perfluorinated solvent. The method of the invention further includes removing the perfluorinated solvent and the impregnation fluid. A composite membrane includes a porous asymmetric hollow fiber substrate having an outer surface coated with a perfluoropolymer coating. Separation devices which include composite membranes and methods of separating a fluid mixture into a fraction enriched in a first component and a fraction depleted in that component also are described.

The invention discloses an antibacterial finishing technique of knitted fabric, which comprises the following steps: 1) mixing 1-2 parts by mass of titanium dioxide with the particle size of 45nm, 3-4 parts by mass of silver with the particle size of 10nm, 6-7 parts by mass of carboxymethyl cellulose and 4-5 parts by mass of hydroxypropyl methylcellulose while slowly adding 5-6 parts by mass of sodium silicate, 4-5 parts by mass of polyethyleneglycol bis stearate and 5-6 parts by mass of fatty alcohol polyethenoxy ether within 15 minutes, and continuing mixing for 25 minutes to obtain a nano antibacterial finishing solution; 2) immersing the washed and dehydrated knitted fabric in a dye vat filled with the nano antibacterial finishing solution in a bath ratio of 3:17, heating to 65 DEG C at the rate of 2 DEG C/minute, keeping the temperature for 50 minutes and dehydrating; 3) heating to 95 DEG C, and prebaking for 15 minutes; and 4) heating to 125 DEG C, and baking for 10 minutes. The technique can inhibit the knitted fabric from color change and enhance washing fastness, has enduring antimicrobial effect, and ensures favorable wearability of the knitted fabric.

The invention discloses a novel electrostatic removal agent for textile materials and a preparation method of the novel electrostatic removal agent. The material is prepared from the following components in parts by weight: 10-20 parts of sodium alginate, 5-10 parts of poly(dimethylsiloxane) divalent quaternary ammonium, 3-6 parts of polyvinyl alcohol, 1.5-3 parts of ethoxylated alkyl ammonium sulfate, 0.8-1.4 parts of poly(methylcyclotetrasiloxane), 0.5-2 parts of acetic acid aqueous solution and 100-150 parts of deionized water. The invention also provides a method for preparing the novel electrostatic removal agent. The method comprises the following steps: (1) adding 10-20 parts of sodium alga acid, 5-10 parts of poly(dimethylsiloxane) divalent quaternary ammonium, 3-6 parts of polyvinyl alcohol and 1.5-3 parts of ethoxylated alkyl ammonium sulfate into 100-150 parts of deionized water, and uniformly stirring at the temperature of 55-70 DEG C; and (2) slowly adding 0.5-2 parts of the 0.5-2 parts of acetic acid aqueous solution, adding 0.8-1.4 parts of polymethylcyclotetrasiloxane under heating conditions, and uniformly stirring, thereby obtaining the electrostatic removal agent for textile materials.

The invention discloses a method for making a coated filter cloth through a wet process. A technical scheme adopted in the invention is characterized in that the method comprises the following steps: calendering the coated surface of a filter cloth, coating or dip-coating the calendered surface of the filter cloth with a coating agent of an organic polymer material having the advantages of high porosity, smooth surface, good elasticity and good wear resistance through a coating or dipping device, immersing the coating agent coated filter cloth in a coagulation bath, controlling and adjusting the temperature of the coagulation bath and the detention time in order to realize required porosity and film layer thickness, washing with water, and drying. The obtained coated filter cloth changes deep filtration to surface layer filtration, so a filtered material does not aggregate in the apertures between yarns of the filter cloth, the obstruction of the filtered material in the apertures of the filter cloth is avoided, the possibility of the obstruction of the filter cloth by the filtered material is greatly reduced, the filtering efficiency is improved, the energy consumption of a filtering system is reduced, the filter cloth obstruction is reduced, the service life of the filter cloth is prolonged, and the production cost is reduced.

The invention relates to an anti-dripping flame-retardant finishing method for high-tenacity polyester, which comprises the following steps: adding a compound flame retardant, an adhesive and an anti-dripping agent into a solvent at 100-160 DEG C, and stirring to obtain a flame-retardant solution; and adding polyester fabrics into the flame-retardant solution for soaking and rolling twice respectively, then pre-baking at 80-120 DEG C for 3-6min, baking at 140-180 DEG C for 2-4min, taking out, and cooling to obtain the high-tenacity polyester. The polyester fabrics finished by the finishing process provided by the invention have the characteristics of flame resistance, smoke suppression, high tenacity and anti-dripping capability so as to meet the high-tenacity requirement for polyester and have broad market prospects. The polyester fabrics obtained by the finishing method provided by the invention have the tenacity of 6.6-8.0cN/dtex, the limited oxygen index of 28-40% and the breaking elongation of 13-16%.

A composition for use as a stain blocker and a method of treating substrates therewith, said composition comprising a polymer of Formula 1 having the following repeating units in random sequence

wherein

• • R¹ is H, methyl or ethyl;
  • R² and R³ are each independently H, C₁ to about C₁₀ alkyl, —COOR⁴, CONR⁵R⁶, or —CN;
  • R⁴ is M, C₁ to about C₂₀ alkyl, or C₆ to C₁₀ aryl;
  • R⁵ and R⁶ are each independently H, C₁ to C₁₀ alkyl, C₆ to C₁₀ aryl, or R⁵ and R⁶ together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring;
  • R⁷ is a C₄ to C₈ alkyl group; M is H, an alkali metal or alkali earth metal; h is about 10 to 100 mole %; i is 0 to about 80 mole %; j is 0 to about 60 mole %; k and n are each independently 0 to about 40 mole %; and m is 0.01 to about 0.5; provided that h+i+j+k+n equals 100, and provided that i+j+k+n is greater than zero, except when h is 100%.

The invention discloses room-temperature self-crosslinking fluorine-containing water-based polyurethane (PU) dispersion, a preparation method and application thereof. The PU dispersion comprises fluorine-containing PU resin, a room-temperature cross-linking agent and water. The preparation process comprises the following steps of: 1) synthesizing a PU prepolymer; 2) synthesizing a fluorine-containing PU oligomer; 3) preparing fluorine-containing water-based PU dispersion; and 4) preparing the room-temperature self-crosslinking fluorine-containing water-based PU dispersion. The PU dispersion can be used for the water repellency and fouling prevention of fabrics, and after being dried at the room temperature, the PU dispersion undergoes self-crosslinking to form a self-crosslinked net structure to be embedded into fabric fibers; the functions of the water repellency and fouling prevention can be adjusted randomly according to purposes; and due to no organic volatile matters and toxic substance residues in the treatment process, so the PU dispersion is a long-acting fabric treatment agent which is environmentally-friendly, is resistant to washing and solvent and has long-lasting water repellency and anti-fouling performance.

The invention discloses an anti-mosquito shell fabric finishing method which comprises the following steps: (1) preparing an anti-mosquito finishing solution; (2) padding the shell fabric in the anti-mosquito finishing solution under the pressure being 1-2MPa and the liquid rate being 70-75 percent, drying, and then keeping the temperature to be 135-140 DEG C for 1-2 hours; (3) rinsing the shell fabric with cold water; (4) drying the shell fabric at the temperature of 70-80 DEG C; and (5) adding the shell fabric into a setting machine, raising the temperature of the setting machine to 150-155 DEG C for setting at a speed of 10 DEG C per minute, wherein the speed of the setting machine is 10-15m/min. The finished shell fabric is long in insect prevention time, can be subjected to repeated washing and is light and breathable.

Provided are high purity sodium p-styrenesulfonate with an excellent hue which is useful as a reactive emulsifier or dispersant for producing a polymer emulsion, or synthetic starch for clothing ironing and poly(sodium p-styrene-sulfonate) with an excellent hue using the same or sodium p-styrenesulfonate improved in fluidity while keeping good solubility.

An aqueous p-β-bromoethylbenzenesulfonic acid solution and an aqueous sodium hydroxide solution are reacted under specific conditions to control the particle size, thereby obtaining sodium p-styrenesulfonate particles improved in a balance between fluidity and solubility, and further, impurities such as isomers are reduced, thereby obtaining high-purity sodium p-styrenesulfonate with an excellent hue.

The invention provides a high-drawing-resistance aerogel composite material and a preparation method thereof, and relates to the field of aerogel. The preparation method comprises the following steps: 1, a fiber composition serves as a core material, fiber cloth or fiber gridding cloth is laid on the upper face and the lower face of the core material, and the fiber cloth or the fiber gridding cloth laid up and down and the middle core material are sewn up and down through fiber lines to form three-dimensional woven fibers. and 2, the three-dimensional woven fibers obtained in the step 1 are taken as a reinforced base material and soaked in sol, and gelling, aging, modifying and drying are carried out to obtain the high-drawing-resistance aerogel composite material. Or the fiber composition is used as a reinforcing base material and is gelled, aged, modified and dried to obtain an aerogel composite material, and then fiber cloth or fiber gridding cloth is sewn on the upper face and the lower face of the aerogel composite material to form the final high-drawing-resistance aerogel composite material. According to the method, the anti-drawing strength of the aerogel material is remarkably improved, and the anti-drawing strength of the aerogel composite material is improved to 0.5 MPa from 0.08 MPa.

An orbiting scroll is fixed on a rotating table and rotated about a spiral center. A spray nozzle is positioned in the spiral center or at an outside end of the orbiting scroll and caused to discharge a coating toward a side face of a wrap portion. The spray nozzle is moved along a straight line in a radial direction while discharging the coating. When a spraying start position is set as the spiral center, a rotation angle speed of the orbiting scroll is gradually reduced in accordance with the movement of the spray nozzle. When the spraying start point is set as the outside end, the rotation angle speed of the orbiting scroll is gradually increased in accordance with the movement of the spray nozzle. As a result, the coating can be applied to the wrap portion side face evenly.

The invention discloses a micro-nano fiber composite non-woven medical and sanitary material and a preparation method thereof, and belongs to the technical field of non-woven composite materials and preparation thereof. The micro-nano fiber composite non-woven medical and sanitary material is composed of an outer layer, a middle layer and an inner layer, the outer layer is an electrostatic spinning polymethyl methacrylate nanofiber hydrophobic layer, the middle layer is a micron fiber layer, and the inner layer is a combination of an electrostatic spinning nanofiber antibacterial layer and an electrostatic spinning nanofiber additional functional layer. A good combination effect between the layers is guaranteed, the overall air permeability of the composite material is guaranteed, and liquid is effectively prevented from permeating into the material; the micron fiber layer serving as a middle layer can provide effective mechanical support and a certain barrier effect; the material of the inner layer in contact with the human body can provide a sanitary and safe microenvironment, and the electrostatic spinning nanofiber additional functional layer serving as the inner layer can also provide additional functions such as heating and growth factors; toxic and harmful substances in a medical and health scene are intercepted, and the excellent bacteriostatic and antibacterial effect is embodied; and the prepared product has good comfort in use.

The invention provides an electronic-grade glass fiber cloth surface treating agent and a preparation method thereof. The electronic-grade glass fiber cloth surface treating agent comprises: a silanecoupling agent having a general formula of ZY(CH2)nSiX3; an inhibition buffer agent having a general formula of Z; acetic acid; and deionized water, wherein n is an integer of 0-3, X is selected fromchlorine group, methoxy group, ethoxy group, methoxyethoxy group and acetoxy group, Y is selected from vinyl group, amino group, epoxy group, methacryloyloxy group, mercapto group, and carbamido group, Z is selected from a benzene ring with a hetero group substitute, and a hetero group is selected from vinyl group, amino group, epoxy group, methacryloyloxy group, mercapto group and carbamido group. The preparation method comprises weaving electronic-grade glass fiber cloth, desizing, soaking in the electronic-grade glass fiber cloth surface treating agent, drying, and rolling up. The electronic-grade glass fiber cloth surface treating agent herein has the advantages of good heat resistance, good ionic migration resistance and low water absorption, and therefore, is applicable to the high-end printed circuit board industry having high requirements.

The invention discloses a sweating suit fabric and a preparation method thereof. The sweating suit fabric comprises a first fabric layer, a second fabric layer, a connector, a friction cavity and a joint portion, the first fabric layer and the second fabric layer are overlaid each other, the connector is connected with the first fabric layer and the second fabric layer, the first fabric layer andthe second fabric layer are closed by the connector to form the friction cavity, the outside of the connector is provided with the joint portion, the first fabric layer comprises a first base fabric and a first coating, the second fabric layer comprises a second base fabric and a second coating, and the first base fabric is opposite to the second fabric layer. The preparation method includes the steps: first fabric preparation; second fabric preparation; first fabric and second fabric connection. The sweating suit fabric can serve as a fabric of a sewing sweating suit and drives the first basefabric and the second coating to rub in the friction cavity to generate a certain heat when a user wears the sweating suit to motion, inner temperature of the sweating suit is improved, and sweatingof the user is facilitated.

The invention relates to rosin modified silicon wax and a preparing method thereof. The rosin modified silicon wax is mainly prepared from olefin, an aminosilane coupling agent, a rosin compound and an ether compound. When used in a waterproof agent, the rosin modified silicon wax is capable of effectively improving water resistance and increasing adhesive force to promote static and dynamic performance finally. The preparing method is simple and easy to operate.

The invention provides a method for preparing a polyester fiber reinforced epoxy composite material based on chemical modification and relates to a resin-matrix composite material. The method comprises the following steps of: grafting active groups including acylamino, carboxyl and the like to the surface of the polyester fiber by virtue of chemical modification; compositing epoxy resin with a polyester fiber fabric by virtue of a vacuum flow guide technique; and curing the resin, thereby obtaining the polyester fiber reinforced epoxy composite material. The method provided by the invention is simple, convenient, free from pollution and practicable.

The invention discloses a preparation method of a fullerene textile fabric. The preparation method comprises the following steps: taking a dyed or printed fabric to be dried and rolled, dipping and rolling the fabric in a fullerene finishing agent by a one-dipping and one-rolling method to sufficiently soak the fabric in a fullerene biosynthesis agent; and then performing shaping by using a dryingand shaping machine, and then performing rolling to obtain the fabric. Therefore, the stability of the fabric is achieved. The fabric with added fullerene can be used for clothes, coverlets, pillowcases, quilt covers, quilts, towels, face towels, bath textiles and household textiles. After the prepared fullerene fabric is in contact with skin, fullerene is released to assist in maintaining the young state of the skin, damage to oxygen free radicals is eradicated, the skin is whitened, and senescence is delayed.

The invention discloses a preparation method of a luggage case fabric. The preparation method comprises the following steps: (1) producing a basic cloth; (2) drying in a waterproof manner; (3) dryingin a fireproof manner; (4) calendaring; (5) re-performing the waterproof drying again; (6) re-performing the fireproof drying again; (7) re-calendaringagain; (8) coating and forming a film; and (6) waxing. The preparation method of the luggage case fabric is simple in process and suitable for the industrialized production; and moreover, the prepared environment-friendly case coating fabric is highin surface flatness, soft in hand feeling, and wide in market application prospect.

A manufacturing method of a long fiber composite material according to an exemplary embodiment of the present invention includes: preparing a main body where inlets and outlets through which a plurality of fiber bundles are respectively charged into and discharged from are formed; adjusting a height of a plurality of first through-hole plates and a height of a second through-hole plate that are disposed in the main body to be the same; having the plurality of fiber bundles penetrated through the first through-hole plate and the second through-hole plate; and adjusting the height of the first through-hole plate and the height of the second through-hole plate to be different from each other after penetrating the plurality of fiber bundles through the first through-hole plate and the second through-hole plate.

The invention relates to a cool and refreshed smoke-preventive adsorption fabric. The cool and refreshed smoke-preventive adsorption fabric comprises an lining layer (1), wherein the lining layer is successively provided with an adsorption layer (2) and a sustained release layer (2). The back surface of the lining layer is provided with a lining fabric layer, the lining fabric layer is a linen-like fabric and formed by interweaving warp yarns and weft yarns in a settling manner, the warp yearns comprise first warp yarns and second warp yarns, the weft yarns comprise first weft yarns and secondweft yarns, both the first warp yarn and the first weft yarn adopt linen-type tencel, the linen-type tencel is in a bamboo-joint shape, the second warp yarn adopts polyester fiber filament linen-likeyarn PWY and is formed by twisting the linen-like yarn, the second weft yarn adopts polyester high-elasticity yarn T400, and the linen-like fabric adopts variable-warp-weight plain tissues. By adopting the cool and refreshed smoke-preventive adsorption fabric, the pleasant fragrance can be slowly released. By adopting the cool and refreshed smoke-preventive adsorption fabric, the body is refreshed and cooled.