50results about How to "High rubbing fastness" patented technology

The invention provides a regenerated fiber blended knitted fabric and a preparation method thereof. Blended yarn includes, by mass, 35% of regenerated cotton fiber and 65% of regenerated polyester fiber, the transverse density of the knitted fabric is 71 / 10 cm, and the longitudinal density of the knitted fabric is 39 / 10 cm. Therefore, the regenerated fiber blended knitted fabric has the advantagesof cotton and terylene, is full and soft in hand feeling, good in air permeability, excellent in elasticity and wear resistance under dry and wet conditions, good in stiffness and shape retention property and not easy to wrinkle and can be rapidly dried and free of ironing after washing, waste turns into treasure, the production cost is reduced, and the short supply of natural fibers is made up for. Besides, the regenerated fiber blended knitted fabric prepared by the preparation method is detected according to the relevant standards, the detection result shows that the developed product is free of formaldehyde and has good environmental protection characteristics; the color fastness to washing and the fastness to rubbing of the fabric are higher than the standards, the production processof the product is feasible, and the product quality and functions can reach the advanced level in China.

The invention discloses a method for dyeing denim yarn with natural indigo blue. The method comprises the following steps: dyeing denim cotton yarns by using a leuco body multi-time padding oxidationmethod, carrying out vatting reduction at 40-50 DEG C, and dyeing denim yarns according to processes of pre-dyeing treatment, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation and aftertreatmenet with 0.5-2g / L of natural indigo blue, 1.5-4.5g / L of sodium hydroxide, 0.75-1.8g / L of sodium hydrosulfite, 0.25-0.6g / L of a sodium hydrosulfite stabilizer, 10-15g / L of a dyeing acceleration agent sodium chloride or sodium sulfate and 2g / L of a penetrant JFC2. By adopting the dyeing method of multiple times of padding, rolling and oxidation,the dyeing fastness of the denim yarns can be improved, dyeing and oxidation can be both carried out under a room temperature condition, no heating is needed, energy conservation and environment protection can be achieved, reduction is carried out by using a sodium hydrosulfite method, a high reduction velocity can be achieved, and a stable dyeing effect can be achieved.

The invention discloses a composite anthraquinone-type cobalt blue reactive dye which is prepared by mixing 10-70% of reactive dye A, 10-70% of reactive dye B and 0-80% of assistant, wherein the structural general formulae of A and B are disclosed as (1) and (2). The invention improves the color development and dyeing behavior of the product reactive dye by using the compound densification effect of the two dyes, thereby enhancing the dye-uptake and fixation rate of the dye, improving other application properties of the dye, and especially enhancing the alkaline resistance properties of the dye. The invention implements favorable level-dyeing property, ensures the color consistency before and after pad dyeing, and ensures low red soup tendency in the deep color cold rolling dyeing process. The dye is particularly suitable for dyeing cellulose fibers, protein fibers and polyamide fibers.

The invention discloses reactive colored waterborne polyurethane leather finishing agent resin and a preparation method thereof, and relates to the technical field of waterborne polyurethane materials. The resin is prepared from, by weight, 30-70 parts of macromolecular dihydric alcohol, 15-50 parts of diisocyanate, 6-15 parts of hydrophilic chain-extending agents, 0.1-11 parts of dihydric alcoholchain-extending agents, 0.1-11 parts of reactive small molecule dyes, 0.01-0.08 part of dibutyltin dilaurate, 20-200 parts of butanone, 2-11 parts of end-capping agents, 4-11 parts of acetic acid and200-400 parts of water. Copolymerized cationic waterborne polyurethane dyes are synthesized by a prepolymerization method, an active isocyanate group at the tail end of the resin is protected by end-capping and can stably exist in aqueous emulsion under the condition of normal temperature, and the problems of poor heat transfer resistance, low universality and difficulty in wastewater treatment of a traditional low molecular dye or pigment in the use process of leather finishing, textile printing or coating are solved.

The invention discloses an ink-jet printing pigment ink with high color fastness, which is characterized in that it comprises: ultrafine coated pigment paste, water-soluble co-solvent, crosslinking agent, surfactant, defoamer, bactericide, pH Conditioning agent, water; the ultrafine coated dye paste is composed of polymerizable dispersant, pH regulator, pigment, monomer and water-soluble initiator and water. The polymer is coated on the surface of the pigment particles by miniemulsion polymerization to improve the dispersion stability of the pigment particles and provide reactive groups that can be combined with the crosslinking agent. When coloring, the crosslinking agent and the pigment surface polymer together form a continuous, dense and smooth printing film on the surface of the fabric, thereby improving the rubbing fastness of the inkjet printing ink and improving the feel of the printed fabric to a certain extent.

Provided is a printing agent including a pigment, a pigment dispersant, water, an organic solvent, and a binder resin, the pigment dispersant being a polymer (A) including an anionic group, the polymer (A) having a solubility in water of 0.1 g / 100 ml or less, a number-average molecular weight of 1000 to 6000, and an acid value of 40 to 400 mgKOH / g. Also provided is a printed fabric produced by applying the printing agent on a fabric. The polymer (A) is preferably a polymer represented by General Formula (1) (where A1 represents a residue of an organolithium initiator; A2 represents a polymer block including a monomer having an aromatic ring or a heterocyclic ring; A3 represents a polymer block including an anionic group; n represents an integer of 1 to 5; and B represents an aromatic group or an alkyl group).

Provided is a printing agent including a pigment, a pigment dispersant, water, an organic solvent, and a binder resin, the pigment dispersant being a polymer (A) including an anionic group, the polymer (A) having a solubility in water of 0.1 g / 100 ml or less, a number-average molecular weight of 1000 to 6000, and an acid value of 40 to 400 mgKOH / g. Also provided is a printed fabric produced by applying the printing agent on a fabric. The polymer (A) is preferably a polymer represented by General Formula (1) (where A1 represents a residue of an organolithium initiator; A2 represents a polymer block including a monomer having an aromatic ring or a heterocyclic ring; A3 represents a polymer block including an anionic group; n represents an integer of 1 to 5; and B represents an aromatic group or an alkyl group).

The invention discloses highly washable and friction-resistant ink for cotton fabrics. The ink is composed of the following components in parts by weight: 3-5 parts of pigments, 2.5-6.5 parts of macromolecular trisulfide carbonate compounds, 0.8-1.0 part of lauryl sodium sulfate, 0.8-1.0 part of n-hexadecane, 15-18 parts of soft monomers, 2-5 parts of hard monomers, 0.03-0.05 part of a water-soluble initiator and 65-80 parts of deionized water. Compared with the traditional non-structured or non-block structure type adhesive film, the block 'core-shell' structure coated ink designed in the invention has excellent mechanical property after film forming, and an RAFT living polymerization technology is adopted when a basic molecular chain structure of the adhesive film is designed, so that each macromolecular chain is directionally and quantitatively grafted with active groups that can carry out characteristic reactions with the cotton fabrics, binding force between the adhesive layer ofthe ink and fibers of the cotton fabrics is greatly enhanced on a molecular level, and macroscopic performances such as washable property and fastness to rubbing of the ink are improved.

The invention discloses a dyeing and finishing method of flax staple fiber. The method uses flax staple fiber as raw material, and undergoes pretreatment-scouring, one-bath pretreatment, hot water washing, warm water washing, dehydration, dyeing, cold water washing, and soaping , Washed in cold water, dehydrated and dried. The advantage is that the pretreatment process and the scouring pretreatment process are combined into one bath treatment, the process flow is shortened, and the pretreatment uses green peracetic acid instead of traditional sulfuric acid, which reduces the damage to fiber strength. This method can well remove impurities such as lignin, pectin, and pigment, increase softness and extensibility, reduce short-lint rate, significantly improve the splitting degree and spinnability of short fibers, and improve their quality and function. After adding the rubbing fastness improving agent, the dry and wet rubbing fastness is improved by 1~2 grades, and the comprehensive performance is improved. The produced combed short hemp high-count yarn has the same long-term physical index and yarn appearance quality as the linear density. Comparable.

The invention discloses an automatic finishing system for improving the rubbing fastness of fabrics and a control method of the automatic finishing system. The system comprises a controller, and an air compressor, an assistant stirring device and a fabric soaking device which are electrically connected with the controller, the assistant stirring device comprises a material barrel and a water inlet, a stirring mechanism,a feeding pipe and a first compressed air pipeline arranged at the top end of the material barrel, one end of the first compressed air pipeline is communicated with the air compressor, and the other end of the first compressed air pipeline extends into the bottom of the material barrel; the fabric soaking device comprises a material groove and a cloth guide roller arranged in the material groove, the bottom end of the material barrel is communicated with the material groove through a material conveying pipe, the air compressor is connected with a second compressed air pipeline, and the second compressed air pipeline extends into the bottom of the material groove. According to the invention, an auxiliary agent solution is stirred from bottom to top by utilizing compressed air, so that the auxiliary agent is dissolved more sufficiently and uniformly, precipitation of the auxiliary agent is avoided, the auxiliary agent is uniformly and stably distributed on the fabric, automatic stirring and automatic material supplementing can be realized, and the automatic control level is improved.

The invention discloses an antibacterial ink for cigarette tipping paper, which is made of the following raw materials in parts by weight: 88-95 parts of ink, 8-14 parts of silane coupling agent (mainly used to improve the fastness to rubbing), mint 2.5-3.5 parts of mixed extract with verbena seeds, 1.5-2.2 parts of 2-isopropyl-5-methylcyclohexanecarboxylic acid, 1.25-1.45 parts of leveling agent, 1.15-1.35 parts of defoaming agent, 13-2 parts of solvent 16 parts; the mixed extract of mint and verbena seeds is a mixed extract obtained by extracting a mixture of mint and verbena seeds with a mass ratio of 1:0.35~0.45 through 95% ethanol; the solvent is n-propyl ester and ethyl Mixed solvents composed of esters. The antibacterial ink for cigarette tipping paper of the present invention will not cause harm to human health; has good antibacterial effect and good universality; has high adhesion and higher rubbing fastness.

The invention provides a preparation method of amino modified TiO2 leather fiber. The preparation method includes: utilizing a silane coupling agent to chemically modify the surface of TiO2 to enablethe surface to have amino; utilizing sodium chloroacetate to carboxylate leather fiber to enable the leather fiber to have more active groups; utilizing zirconium sulfate as a bridging agent to crosslink modified TiO2 with modified leather fiber so as to enable modified leather to have enhanced ultraviolet resistance.

The invention discloses a method for dyeing denim yarn with natural indigo blue. The method comprises the following steps: dyeing denim cotton yarns by using a leuco body multi-time padding oxidationmethod, carrying out vatting reduction at 40-50 DEG C, and dyeing denim yarns according to processes of pre-dyeing treatment, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation, dyeing, oxidation and aftertreatmenet with 0.5-2g / L of natural indigo blue, 1.5-4.5g / L of sodium hydroxide, 0.75-1.8g / L of sodium hydrosulfite, 0.25-0.6g / L of a sodium hydrosulfite stabilizer, 10-15g / L of a dyeing acceleration agent sodium chloride or sodium sulfate and 2g / L of a penetrant JFC2. By adopting the dyeing method of multiple times of padding, rolling and oxidation,the dyeing fastness of the denim yarns can be improved, dyeing and oxidation can be both carried out under a room temperature condition, no heating is needed, energy conservation and environment protection can be achieved, reduction is carried out by using a sodium hydrosulfite method, a high reduction velocity can be achieved, and a stable dyeing effect can be achieved.

The invention discloses composite liquid reactive red dye which consists of the following components in parts by weight: 60-85 parts of a dye monomer A as shown in formula (I), 5-30 parts of a dye monomer B as shown in formula (2), and 1-5 parts of urea, 1-5 parts of caprolactam and 1-5 parts of sodium tripolyphosphate as additives, wherein the sulfonic acid groups in the formula (2) are in meta-positions and para-positions of amino, and the ratio of meta-positions to para-positions is (1:2)-(2:1). According to the composite liquid reactive red dye, monochlorotriazine active dye and improved buffer aids with low reactivity are selected and compounded with aids, the effect of stabilizing dissolution assistance is achieved, the defect that in the prior art the prepared liquid dye is poor in chemical stability is overcome, the liquid dye is prevented from agglomeration or separation in the storage process, and the requirements of the printing and dyeing industry are met.

The invention relates to a cationic black dye composition and a preparation method and an application thereof. The composition comprises the following components by mass percentage: 2 to 40% of a yellow dye, 2 to 40% of a red dye, and 20 to 90% of a blue dye. The dye composition of the invention is used for dyeing and printing of acrylic fiber, acrylic fiber blended fiber and super cottonlike fiber, has high blackness, and has excellent color fastness.