1406results about "Light resistant fibres" patented technology

One method includes applying to a post-manufactured textile material a liquid composition resulting from a combination of ingredients. The ingredients include one or more anti-fading compounds, one or more anti-soiling compounds, one or more silicon-based compounds, and one or more carrying media. One composition is a liquid composition resulting from a combination of ingredients, with the ingredients including a benzotriazole, a fluorocarbon, an organosiloxane, and odorless mineral spirits.

The invention discloses a surface modified aramid fiber and a preparation method thereof. Clean aramid fiber which is cleaned is dipped into a dopamine solution under a weak basicity condition to obtain a dopamine wrapped aramid fiber; through an esterification reaction and pi-pi interaction between oxidized graphene and the dopamine wrapped aramid fiber, a high-grafting-ratio oxidized graphene layer is formed on the surface of the aramid fiber, so that the surface modified aramid fiber is obtained. The surface modified aramid fiber has excellent ultraviolet resistance and is provided with a lot of active groups, in this way, the surface activity of the aramid fiber is obviously improved, and conditions are provided for further modification and application of the fiber. Meanwhile, in the process of modifying the aramid fiber, it is not needed to pretreat the aramid fiber, the preparation process is environmentally friendly, the operation technology is simple and controllable, and the surface modified aramid fiber is suitable for large-scale industrialized production.

The invention relates to the technical field of softening agents, in particular to a ternary polymerization block polyether amino silicon oil softening agent. The structural formula is shown in the description, wherein R=-CH2CH2CH2, -CH3 or -CH2CH3, R'=C1-22 alkane, PO=OC3H6, EO=OC2H4, a and b are any integer from 5 to 24, c is any integer from 10 to 60, and n is any integer from 10 to 60. Yellowing, instability and hydrophobicity of ordinary amino silicon oil are overcome, fabric has excellent hand feeling, hydrophilia, washability and stability, and the softening agent is suitable for various kinds of pure cotton fabric, cotton-polyester blended fabric, wool and other kinds of fabric.

A composition of a water-repellent agent has a solvent and a solute. The solvent is water. The solute is dissolved in water and has isocyanate-acryl, non-ionic fluoro-acryl, 4,4-dipheylmethane diisocyanate, zinc acetate and polyethylene wax. Isocyanate-acryl has a concentration in a range of 10˜40 gram in per liter of the water-repellent agent (i.e. 10˜40%). Non-ionic fluoroacryl has a concentration in a range of 80˜150% t. 4,4-dipheylmethane diisocyanate has a concentration in a range of 5˜12%. Zinc acetate has a concentration in a range of 1˜20%. Polyethylene wax emulsion has a concentration in a range of 1˜40%. Therefore, a fabric treated with the present invention has good waterproof ability, widely enhanced color fastness in light and improved tear-resistance strength at the same time.

The invention discloses a treatment method for antibacterial and anti-ultraviolet cotton fabrics. The treatment method comprises the following steps: step 1, soaking the cotton fabrics with a nonionic surfactant; step 2, modifying the cotton fabrics with chitosan quaternary ammonium salt; step 3, dipping the cotton fabrics with antibacterial finishing liquid prepared by mixing 5-15 parts of a natural antibacterial agent composed of extracts of grape seeds, persimmon leaves, ginkgo leaves and licorice roots, 0.3-1 part of polyoxyethylene-40 hydrogenated castor oil and 1000 parts of water; step 4, soaking the cotton fabrics in a mixed aqueous solution containing 0.001-0.005mol/L of silver nitrate or silver sulfate or silver acetate and 1-3 g/L of soluble starch or hydroxyethyl cellulose to prepare the nano-silver attached antibacterial cotton fabrics. The prepared cotton fabrics not only have good antibacterial performance and anti-ultraviolet performance, but also have performance of resisting oxidation and scavenging free radicals, and have improved anti-wrinkle performance and good washing durability.

The invention discloses a preparation method of double-self-cleaning fabric. The method comprises steps as follows: 1, modified nano titanium dioxide is added to water; 2, the fabric is irradiated for treatment; 3, the fabric treated in the step 2 is soaked in a modified nano titanium dioxide water solution prepared in the step 1 and then taken out to be dried, and the self-cleaning fabric is obtained. The preparation method adopts a simple process, the cost is low, and industrial production is easily realized. The fabric prepared with the method has double self-cleaning effects including a photocatalytic self-cleaning effect and super-hydrophobic self-cleaning effect and has lasting photocatalytic activity.

The invention belongs to the technical field of nanocomposites, and discloses anti-ultraviolet radiation lignin-based zinc oxide composite particles for fabric and a preparation method and application in the fabric of the particles. The preparation method comprises the following steps that 1, pH of a lignin sulfonate aqueous solution is adjusted to be alkaline, heating is conducted, an active agent is added for reacting, a carboxylated reagent is added, an isothermal reaction is conducted, and carboxylated lignin sulfonate is obtained; 2, carboxylated lignin sulfonate prepared in the first step is prepared into an aqueous solution, the pH is adjusted to be alkaline, a zinc salt is added for reacting, reacting is conducted by heating, the pH is adjusted to be 9 to 11, reacting is conducted continuously, a cross-linking agent is added for reacting, cooling, ageing, separating and drying are conducted, and the lignin-based zinc oxide composite particles are obtained. According to the composite particles, agglomeration among nano zinc oxide particles is overcome, the particles are dispersed uniformly, adhesion to fabric fibers is improved, effective protection of UVA and UVB full-wave bands is provided, and the problem that the ultraviolet-protection capacity is limited is solved.

The invention relates to ultraviolet-proof polyester-cotton fabric and a preparation method thereof. The ultraviolet-proof polyester-cotton fabric is prepared by blending the following raw materials in parts by weight: 60-80 parts of polyester fiber, 40-60 parts of long-staple fiber, 5-15 parts of polyamide fiber, 5-15 parts of linen fiber, 5-15 parts of ramie fiber and 5-15 parts of apocynum fiber, and then treating by using an antibacterial ultraviolet-proof finishing solution, wherein the antibacterial ultraviolet-proof finishing solution contains 5-10 parts of chitosan, 5-10 parts of tea polyphenol, 0.5-3 parts of 2-hydroxy-4-methoxy diphenylketone, 0.5-3 parts of phenyl-o-hydroxybenzoate, 0.5-2 parts of sodium tripolyphosphate, 5-8 parts of myristyl trimethyl ammonium chloride, 5-10 parts of polyethylene glycol, 5-15 parts of nano-titanium dioxide, 3-8 parts of diethanolamide cocoate and 5-10 parts of water-based polyurethane. The ultraviolet-proof polyester-cotton fabric has a super-strong antimicrobial and ultraviolet-proof efficacy, is anti-pilling, breathable, good in moisture absorption, soft, comfortable and durable, and is very suitable for production of various kinds of overclothes, shirts, working clothes, curtains and the like.

The invention provides a microwave preparation method of a smooth type quaternization block organosilicon polymer. The microwave preparation method comprises the following steps of (1) adding allyl epoxy polyether and silicone oil into a reactor, uniformly mixing, radiating by microwaves at the power of 50 to 600W, leading nitrogen, heating to 80 to 100 DEG C, adding a platinum catalyst, and warming for 30 to 60min, so as to obtain terminated epoxy silicone oil; (2) adding the obtained terminated epoxy silicone oil in step (1), polyether amine and an organic solvent into the reactor, uniformlymixing, radiating by microwaves at the power of 50 to 600W, leading nitrogen, heating to 70 to 85 DEG C, and warming for 1 to 5h, so as to obtain a block organosilicon intermediate A; (3) adding an chain extender into the step (2), reacting for 15 to 90min at the temperature of 70 to 85 DEG C, enabling the block organosilicon intermediate A to continue to extend chain, and using glacial acetic acid to adjust the pH (potential of hydrogen) value of the system to neutral property, so as to obtain the smooth type quaternization block organosilicon polymer.

A process for chemically bonding an oxide matrix to a textile surface, comprises providing a dry textile substrate, coating the substrate with a nanosol preparation, and curing the coated substrate.

The invention discloses a preparation method of an organic silicon-modified polyurethane copolymer fabric softener. The method comprises the following steps: (a) carrying out a stirring reaction on polyether polyol, a hydroxyl-terminated polysiloxane linear body and diisocyanate for 2-3h at the temperature of 75-85 DEG C under the action of a tin catalyst, so as to obtain an isocyanate-terminated organic silicone-modified polyurethane prepolymer; (b) adding a small molecular amine chain extender into the organic silicone-modified polyurethane prepolymer, and carrying out a stirring reaction for 1-2h at the temperature of 50-60 DEG C, so as to obtain an organic silicon-modified polyurethane copolymer; (c) evenly mixing the organic silicon-modified polyurethane copolymer obtained in the step (b) with an emulsifying agent at the temperature of 50-70 DEG C, and slowly adding deionized water into the mixture for emulsifying, so as to obtain the organic silicon-modified polyurethane copolymer fabric softener. The softener prepared by the method is good in stability, endows fabric with excellent softnesss, smoothness and hydrophilic property, has excellent yellowing resistance, and can maintain the brightness of the light-colored fabrics and the whiteness of the white fabrics.

A textile material exhibiting enhanced energy absorption (e.g., enhanced near-infrared energy absorption) and, optionally, flame resistance. The textile material comprises a textile substrate and a finish disposed on at least one surface of the textile substrate. The finish comprises a binder and an energy-absorbing agent. A method for protecting an individual from infrared radiation that can be generated during an arc flash comprises the step of positioning a textile material between an individual and an apparatus capable of producing an arc flash.

This invention relates to complexes of ultraviolet absorbers with quaternary ammonium compounds which are substantially free from unwanted salts. Such complexes are formed through ionic bonds formed between the two compounds. The inventive complexes are then removed of substantially all excess inorganic salt so as to obtain an UV absorber compound which exhibits improved light- and washfastness properties, which easily coats subject surfaces, which provides excellent non-fogging and non-cracking characteristics, and which also possesses anti-static, anti-microbial, and anti-abrasion properties. This invention also concerns methods of making and utilizing such inventive ultraviolet absorbing complexes.

The invention relates to a microcapsule with an integrated ultraviolet shielding function and a preparation method thereof. The microcapsule is composed of an anti-ultraviolet capsule wall, an anti-ultraviolet emulsifier and an anti-ultraviolet capsule core. Compared with a microcapsule with an ultraviolet absorption material added in a capsule core only in the prior art, the capsule wall, the capsule core and the selected and used emulsifier in the prepared microcapsule have the anti-ultraviolet functions, so that the microcapsule has the more excellent anti-ultraviolet performance.

The invention belongs to the technical field of polyester fiber, and discloses hygroscopic breathable anti-static polyester filament yarn with cool feeling. The hygroscopic breathable anti-static polyester filament yarn with cool feeling is prepared from, by mass, 100 parts of polyester chip, 10 to 25 parts of a color master batch, 3 to 15 parts of bamboo activated carbon powder, 2 to 6 parts of nanoscale tourmaline powder, 2 to 3 parts of a dispersing agent, 0.2 to 1 part of an antioxidant, 1 to 2 parts of a smoothing agent, and an appropriate amount of a coating additive. The invention also provides a preparation method of the hygroscopic breathable anti-static polyester filament yarn with cool feeling. The preparation method comprises following steps: raw material preparation; POY preparation; POY examination; preparation of DTY via elasticizing; DTY examination; coating of an anti-static layer with cooling feeling; and examination and packaging. The preparation method is capable of providing polyester filament yarn with moisture absorption performance, mildew resistance, air purifying functions, antibacterial activity, disinsection effect, cooling feeling, skin refreshing capacity, and anti-static functions, and UV resistance and protection effect, and is capable of increasing tensile strength and elongation at break of polyester filament yarn, and prolonging service life of polyester filament yarn.

The invention discloses an anti-ultraviolet microcapsule finishing agent and a preparation method thereof. The finishing agent is spherical or ellipsoidal, the average grain size is 6 to 12 [mu]m, andthe mass ratio of the core material to the wall material is 1:(0.3-1.5); and the core material consists of graphene and titanium dioxide, and the wall material consists of sericin and hyaluronic acid. The finishing agent can combine the structural characteristics of the fabric and is firmly combined with the fabric so as to realize the stable anti-ultraviolet function; and the finishing agent issuitable for finishing cotton, wool, silk, linen and chemical fiber fabrics and finished product clothes, and has remarkable anti-ultraviolet effect.