77results about How to "High washing durability" patented technology

The invention provides a process for manufacturing fire-retardant polyester fiber. The process comprises the steps of: fire retardant preparation, catalyst and promoter preparation, size preparation, two grading esterification reactions, two pre-polycondensation reactions, pre-polymer conveying and filtering, final polycondensation reactions, final polymer conveying and filtering, spinning melt conveying and distributing, spinning and drafting. According to the invention, phosphorus-based non-toxic fire retardant 2-carboxyethyl (phenyl) phosphinic acid-ethylene glycol (CEPPA-EG) esterifying liquid is adopted to ensure that the heat resistance is better; compared with a conventional generally-adopted two-step fiber producing process of firstly producing chips through batch or semicontinuous polymerization and then carrying out chip spinning, the process adopts an one-step fiber producing process of a continuous polymerization melt direct spinning method and therefore has the advantages of high production efficiency, low consumption and loss and low production cost; the manufactured fire-retardant polyester fiber has the advantages of excellent spinnability and fiber physical property and excellent fire retardation of polymer per se; and the fabric manufactured by adopting the fire-retardant polyester fiber has the advantages of more excellent and lasting fire retardation, high limit oxygen index (LOI) which is more than 34, excellent washing durability and safety and no harm to human body.

The invention discloses an antistatic water permeability resistant coated fabric comprising base cloth and a coating layer, wherein the coating layer has the antistatic water permeability resistant function, is a single-layer or multi-layer polyurethane imporous layer of which the swelling rate is 15-30% or a single-layer or multi-layer polyurethane imporous layer of which the swelling rate is less than 15%, wherein the single-layer or multi-layer polyurethane imporous layer of which the swelling rate is less than 15% contains 10-40 wt% of conductive powder. The fabric of the invention has excellent waterproofness, moisture-penetrability, antistatic behaviour and washing durability, can be applied on work clothes of departments, such as metallurgy, petroleum, coal, national defense and the like, can be used for work clothes, gym suits and the like in the harsh external environment such as dry and cold occasions and has great economic benefit and social benefit.

The invention discloses a textile subjected to water repellency treatment and a production method for the textile. The textile mainly comprises cationic dye-dyeable modified polyester fibers and/or nylon fibers; the single fiber surface of the textile is at least covered with a resin film formed by water-repellent C6 fluororesin and water-repellent non-fluororesin; the surfaces of the cationic dye-dyeable modified polyester fibers and/or nylon fibers have anionic groups. The textile has durable washability and high water repellency.

The invention discloses a silk fabric darkening agent copolymer emulsion and a preparation method thereof. The silk fabric darkening agent copolymer emulsion comprises the following raw materials by weight percent: 2-8% of methyl acrylate monomers, 6-16% of butyl acrylate monomers, 0.1-1.5% of an anionic surfactant, 0.1-1.5% of a non-ionic emulsifier, 0.01-0.1% of an initiator, 0.8-5% of a mono-amino-containing silane coupling agent, 5-15% of a vinyl-containing silane coupling agent, 0-1% of a silane hydrolysis inhibitor and 50-70% of deionized water. The silk fabric darkening agent copolymer emulsion disclosed by the invention is small in particle size, low in emulsifier dosage, and easy to control in the reaction process and causes no pollution to environment, the darkening rate of a thin and light silk fabric processed by the copolymer emulsion is close to 10% and the hydrophily is basically unchanged, while the darkening rate of a thick and heavy fabric is close to 16% and the hydrophily is slightly reduced. The silk fabric darkening agent copolymer emulsion has the characteristics of darkening and brightening, good washing durability, smooth handfeel and the like.

The invention discloses an antifouling fiber structure, which is obtained by applying a treatment liquid containing a hydrophilic and oil-repellent processing agent and a softener to the fiber structure, and then performing heat treatment. The hydrophilic and oil-repellent processing agent is composed of a fluorine-based A vinyl monomer, a copolymer of a hydrophilic vinyl monomer containing polyalkylene glycol and a non-polyalkylene glycol-based vinyl monomer, and the softener is composed of a nonionic surfactant aqueous solution constitute. Thereby, cloth with good washing durability can be provided. The method of the present invention can be combined with various processing such as anti-wrinkle processing, skin care processing, antibacterial processing, and softening processing.

The invention relates to quick-acting antibacterial functional master batch for a polyolefin filamentous material as well as a preparation method and an application of the master batch. According to the method, nano-silver inorganic antibacterial master batch in ZL201310571129.3, a guanidine salt polymer, polyolefin carrier resin, a stabilizer and a dispersant are mixed, double-screw melt extrusion and granulation are performed, and the quick-acting antibacterial functional master batch is prepared. The prepared quick-acting antibacterial functional master batch has good drawing or spinning performance in the processing process of the polyolefin filamentous material and has longer net change period and spinning assembly change period than those of other similar antibacterial master batch.The antibacterial polyolefin filamentous material prepared with the method contains nano-silver and guanidine salt polymer binary compound synergistic antibacterial components and thus has high antibacterial quick-acting performance, good washing durability and good whiteness and is applicable to production and processing of antibacterial products such as non-woven fabric of disposable medical health supplies, bath balls /bath towel for bathing, artificial turf filaments and carpets.

The invention provides a manufacturing equipment system of flame-retardant polyester fiber. The system comprises a flame retardant preparation unit, a catalyst and auxiliary mixed solution preparation unit, a slurry preparation unit, a first-stage esterification unit, a second-stage esterification unit, a first pre-polycondensation unit, a second pre-polycondensation unit, a prepolymer conveying and filtering unit, a final polycondensation unit, a final polymer conveying and filtering unit, a spinning melt conveying and distribution unit, a spinning unit and a drafting unit. The manufacturing equipment system of flame-retardant polyester fiber, provided by the invention, is applied to the continuous polymerization direct spinning technology, so that the synthetic fiber has lasting flame retardance, is nontoxic and environment-friendly and has the advantages of high production efficiency, low consumption and loss and low production cost; the synthetic fiber has excellent spinnability and fiber physical properties and excellent polymer flame retardance; the flame retardance of the textile is better and lasting; the limit oxygen index (LOI) is greater than 34; and the synthetic fiber has perfect washing durability and is safe and harmless to human bodies.

Provided is a surface treatment agent that does not use a fluorine-containing monomer, and in particular does not use a monomer containing a fluoroalkyl group. Disclosed are (1) a non-fluorinated polymer that comprises a repeating unit that is derived from a long-chain (meth)acrylate ester monomer indicated by formula (a), CH2=CA11-C(=O)-O-A12 (wherein A11 is a hydrogen atom or a methyl group, and A12 is a straight chain or branched aliphatic hydrocarbon group that has 18-30 carbons), (2) a surfactant that contains a surface-active compound that has either or both an amide group and an amino group, and (3) a surface treatment agent that is an aqueous emulsion that contains a liquid medium that contains water.

The invention discloses a textile subjected to water repellency treatment and a production method thereof. The textile is a woven fabric or a knitted fabric formed from polyester fibers and/or cellulose fibers. Single fiber surfaces of the polyester fibers and/or cellulose fibers are covered with resin films. The resin film at least comprises a non-fluorinated compound containing -CH2- as a main chain with the carbon atom number greater than or equal to 8, and one or more of -Si-H, -NO2, -NO and -COOR (wherein R is shown the description and n is greater than or equal to 3) and a C-H bond as branched chains, or at least comprises a non-fluorinated compound containing a main chain -Si-O- and branched chains of -COOR (wherein R is shown the description and n is greater than or equal to 3) and/or a C-H bond. The textile has excellent washing endurance.

The invention discloses a water-absorbing oil-repellent fabric and its production method. The surface of single filaments of the fabric is attached with a resin layer which is mainly composed of polyester resin and fluoroplast. Positive and negative surfaces of the fabric have characteristics as follows: in the initial stage, water absorption is less than 5 seconds, oil repellency is above level 6, and easy decontamination performance is above level 4. The production method is simple and easy to operate. Base cloth firstly undergoes hydrophilic resin bath treatment, and then, oil-repellent easy-decontamination resin padding treatment is carried out. The obtained fabric has oil-repellent easy-decontamination functions, has excellent water absorption, has excellent washing endurance, and can be widely used in production of shirts, working clothes and the like.

Disclosed is a fluorine-containing copolymer having, as an essential component, a repeating unit derived from (a) a monomer having a fluoroalkyl group or a fluoroalkenyl group, (b) a monomer having an alkylene oxide group, (c) a monomer having an acetoacetyl group, (d) a monomer having a —CH(OH)—CH₂—Cl group, and (e) a monomer having a —CH(OH)—CH₂—OH group. In this fluorine-containing copolymer, the amounts of the monomer (a), the monomer (b), the monomer (c), the monomer (d) and the monomer (e) are 30-80 parts by weight, 1-30 parts by weight, 0.5-20 parts by weight, 0.5-20 parts by weight and 0.5-20 parts by weight, respectively. This fluorine-containing copolymer provides a base material such as a fiber product with excellent alcohol repellency, oil repellency, antifouling properties and soil release properties, while maintaining washing durability. This fluorine-containing copolymer serves as an active ingredient for a fluorine-containing fiber processing agent having soil release properties.

The invention discloses a knitted fabric and application thereof. The knitted fabric is 100% polyester fiber knitted fabric, wherein thirty weight percents to seventy weigh percents yarns are high shrinkage polyester yarns. Longitudinal direction washing dimensional change rate and latitudinal direction washing dimensional change rate of the knitted fabric all are in -0.3%-1.0%. Longitudinal direction rigidity and latitudinal direction rigidity are greater than 0.02gf.cm 2/cm. Anti-pilling capacity achieves above a three grade. The knitted fabric is suitable for making shirts and the like.

The invention discloses a novel multifunctional fabric and a preparation method thereof. The novel multifunctional fabric sequentially comprises a moisture conducting layer (1) and a rough layer (2) from top to bottom. The moisture conducting layer (1) is composed of surface yarn and plays a moisture conducting role, the rough layer (2) is composed of bottom yarn, the diameter of the bottom yarn is 6-12 times that of the surface yarn, and the skin-friendly side of the rough layer (2) has an antibacterial function. The size of the yarn gap of the moisture conducting layer is far smaller than that of the yarn gap of the rough layer, the surface yarn is thinner than the bottom yarn, so that the surface yarn gap is smaller than the bottom yarn gap, and the wicking effect of the surface yarn isdominant. When people do sports and sweat, sweat is discharged to the surface yarn from the bottom yarn through the wicking effect and spreads on the surface yarn, and the sweat can be rapidly evaporated on the surface yarn while the skin is kept dry and comfortable.

The invention relates to an MXene electromagnetic shielding fabric as well as a preparation method and application thereof. The method comprises the following steps of carrying out plasma pretreatment on a flexible fabric substrate, dipping in an MXene dispersion liquid, taking out, drying, and carrying out low-temperature annealing treatment under a CO2 condition. The electromagnetic shielding fabric has good flexibility, washing resistance and electromagnetic shielding characteristics.