149results about How to "Does not affect the feel" patented technology

The invention provides an environmental-protection halogen free reaction type fire retardant waterborne polyurethane and a method for preparing the same, which belongs to the technical field of chemical industry. The fire retardant waterborne polyurethane consists of diisocyanate, non-fire retardant polyhydric alcohol, organic phosphorus polyhydric alcohol, organosilicon polyhydric alcohol, a hydrophilic chain extender, a neutralizer and a catalyst. The preparation method comprises the following steps: at certain temperature, the diisocyanate, the non-fire retardant polyhydric alcohol, the hydrophilic chain extender, the organic phosphorus polyhydric alcohol and the organosilicon polyhydric alcohol are orderly added in a reaction kettle, and are subjected to pre-polymerization under the action of the catalyst and the protection of N2 and by stirring; and a pre-polymer is cooled down, added with neutralizer water solution and then put in high-speed emulsifying equipment for emulsifying neutralization, and a target product is obtained. The product has the characteristics of no halogen and low-release volatile solvent; and when the waterborne polyurethane is used to clean up textile fabrics, the coating is transparent and adhesiveness-free, the touch feeling of the textile fabrics is not affected, and the fire retardant effect is obvious.

The invention discloses the polyurethane hot melt adhesive for high-grade lining cloth, which is obtained through the reaction among polyester polyols with the relative molecular weight thereof being 2,000 to 2,200, 4,4-diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI), 1,4-butanediol (1,4-BDO) and aromatic diamine extender, wherein, the molecular weight of the polyurethane hot melt adhesive is 85,000 to 95,000. The polyurethane hot melt adhesive has the advantages of low thermal-bonding temperature and rapid crystallization, thereby facilitating the machining operations, preventing the polyurethane hot melt adhesive from being stuck to cloth and further preventing the polyurethane hot melt adhesive from penetrating and bleeding on ultra-thin loose base cloth; furthermore, the polyurethane hot melt adhesive has outstanding resistance to dry-cleaning and washing as well as washing under various caustic conditions. The invention further discloses a method for preparing the polyurethane hot melt adhesive for high-grade lining cloth.

The invention discloses a head-mounted display and a dustproof method applied to the head-mounted display. The head-mounted display comprises a display screen, a display screen support, left and right eye lens groups, left and right eye lens group supports and left and right eye annular sealing soft rubber sleeves; and the display screen is fixed to the display screen support, the left and right eye lens groups are respectively fixed to the left and right eye lens group supports, the left and right eye lens group supports are installed on the display screen support and can slide left and right relative to the display screen support, and the left and right eye annular sealing soft rubber sleeves are disposed at installation connection portions between the lens group supports and the display screen support. The technical scheme provided by the invention achieves dust prevention between the display screen and the lens groups of the head-mounted display in the pupil distance adjustment process; and because the annular sealing soft rubber sleeves are thin and have large elasticity, borne resistance forces when the lens group supports slide relative to the display screen support are small, and hand feeling of the pupil distance adjustment is not influenced.

The invention discloses a gold stamping method of a surface fabric, comprising the following steps: 1: gold stamping film rubberizing; 2: compound of the gold stamping film and the surface fabric; 3: heat preservation; 4: parting; the gold stamping surface fabric produced by the invention retains previous feel after gold stamping, as heat preservation provides the gold stamping surface fabric produced by the method with very good fastness and the gold stamping surface fabric does not fade or deform after going through washing or high temperature, therefore, seen from any angle, the gold stamping surface fabric reflects different colors and has colorful and diverse designs and patterns.

The invention provides a water-based pigment digital ink-jet textile printing ink and preparation and use methods thereof. The water-based pigment digital ink-jet textile printing ink is characterized by containing a pigment color paste, a nano composite adhesive and deionized water, wherein the nano composite adhesive comprises a polyurethane emulsion, an organic fluorine modified polyacrylate nano emulsion and another polyacrylate emulsion. With use of the nano composite adhesive, the problem of low water washing fastness of a water-based pigment ink-jet printing ink on a printing fabric is solved emphatically, and a new solution is provided for industrialized application of the water-based pigment ink-jet printing ink in the field of fabric digital ink-jet printing.

The invention relates to halogen free phosphorous-nitrogen synergic antiflaming water-soluble polyurethane fabric coating agent and a preparation method thereof, belonging to the technical field of light industry. The coating agent comprises diisocyanate, non-antiflaming polyalcohol, reactive type phosphorous-nitrogen series polyalcohol, hydrophilic chain extender and neutralizing agent. The diisocyanate, non-antiflaming polyalcohol, reactive type phosphorous-nitrogen series polyalcohol and hydrophilic chain extender are added into a kettle, and reaction is carried out, thus obtaining prepolymer; then the prepolymer is added into aqueous solution containing neutralizing agent, emulsification neutralization is carried out in high speed emulsification equipment, and then rotary evaporation is carried out to remove solvent, thus obtaining target product. The invention has the characteristics of environmental protection, no toxicity, low smoke, phosphorous-nitrogen synergic antiflaming and obvious antiflaming effect; the antiflaming water-soluble polyurethane fabric coating agent is adopted for finishing fabric, coating is transparent and unsticky, handfeel of fabric is not influenced, and soaping resistance can be realized, thus passing level B1 in GB/T5455-1997 textile-burning behaviour-vertical method.

The invention provides a modified-chitosan-containing anti-ultraviolet finishing agent for cotton fabric and anti-ultraviolet cotton fabric obtained by aid of the anti-ultraviolet finishing agent. The modified-chitosan-containing anti-ultraviolet finishing agent for the cotton fabric is a uniformly mixed solution of 3,4,5-trimethoxybenzoyl chitosan, a crosslinking agent, a penetrant and an acetic acid or lactic acid solution, wherein the crosslinking agent is organic polycarboxylic acid or amino-modified silicone oil emulsion; the penetrant is either JFC or peregal O. The anti-ultraviolet cotton fabric with anti-ultraviolet, anti-bacterial and anti-crease finishing functions is obtained through double-dip double-nip, water washing and drying, the anti-ultraviolet, anti-bacterial and anti-crease finishing functions are high in durability, the cotton fabric still maintains the original style of the fabric after finishing, the hand feel, the strength, the whiteness and the color of the cotton fabric are not affected, and the original human body affinity is maintained; the finishing agent is simple in composition and easy to prepare, and a finishing process is simple and environment-friendly.

The invention relates to a method for preparing a leather fixing agent, in particular to a dendriform cationic leather fixing agent and a preparation method thereof. To overcome the defects of low activity, high consumption and easily caused grain leather existing in the prior art, the invention adopts a technical scheme that: the method for preparing the dendriform cationic leather fixing agent comprises the following steps: (1) mixing organic amine and acrylic ester, adding a reaction solvent, stirring to react, vacuumizing, distilling by rotating, and removing the solvent and excessive acrylic ester to prepare dendriform PAMAM; and (2) mixing the dendriform PAMAM prepared in the step (1) with a cationic etherifying agent, adding a solvent, adding an extracting agent after reaction, andextracting for multiple times to prepare graft modified dendriform cationic leather fixing agent. Compared with the prior art, the method has the advantages of reducing the hydrolysis effect of dye, improving fastness of leather to wet rubbing, reducing the consumption of the dye, not influencing the hand feeling of the leather, and making the fixing agent biologically degraded easily.

The invention relates to high-flame retardant property solvent-free polyurethane synthetic leather and a preparation method thereof. The polyurethane synthetic leather is composed of a surface layer, an intermediate layer and a base fabric, wherein a solvent-free layer is arranged between the intermediate layer and the base fabric; the solvent-free layer is formed by mixing a component A and a component B according to a mass ratio of 100:(40-50); the component A is composed of the following components in parts by mass: 100-120 parts of polyhydric alcohol component material CC 6945-100C-A, 20-40 parts of a compound flame retardant and 0.05-0.1 part of a catalyst; and the component B is an isocyanate prepolymer CC 6945-100C-B. According to the polyurethane synthetic leather disclosed by the invention, the flame retardant property of the synthetic leather can meet the requirements of 'BS 5852:2006, Clause 11, I/5' on the premise of not influencing the mechanical property and hand feeling of the synthetic leather.

The invention discloses aminosilicone durable hydrophilic potentiating agent, and a preparation method and the application thereof. The preparation method is that methyl silicone oil containing hydrogen, allyl-terminated epoxy-terminated compound and allyl polyether are reacted under the effect of platinum catalyst in oxygen-free condition, so that the aminosilicone durable hydrophilic potentiating agent is obtained. The method has the advantages that the reaction step is simple, the reaction condition is mild, and the method is simple and easy. The aminosilicone durable hydrophilic potentiating agent not only can be independently used before and after the softening finish of traditional aminosilicone, but also can be co-bathed with traditional aminosilicone emulsion; as the agent has good penetrability, wettability and reactivity, the agent can not only keep the soft and smooth feel of the traditional aminosilicone, but also give good hydrophilicity to fabrics in the condition that the use level is low, and also has durability; and the difference between the fabric finished by the aminosilicone durable hydrophilic potentiating agent and the fabric finished by the independently used traditional traditional aminosilicone emulsion is that fabric treated by the aminosilicone durable hydrophilic potentiating agent can be directly repaired without treatment.

The invention relates to an anti-skid glaze and an anti-skid ceramic tile, wherein the anti-skid ceramic tile consists of a blank layer, a surface glaze layer, an ink jet layer and an anti-skid glazelayer. The anti-skid glaze comprises 5 to 15 parts of albite, 20 to 30 parts of potash feldspar, 20 to 35 parts of nepheline, 8 to 12 parts of kaolin, 5 to 15 parts of dolomite, 3 to 8 parts of talc,5 to 15 parts of superfine quartz powder, 3 to 8 parts of alpha alumina, 0.4 to 0.8 part of carboxymethyl cellulose and 0.2 to 0.5 part of sodium tripolyphosphate.

The invention provides a soaping-free active digital ink-jet ink and a preparation method thereof, and an active ink-jet printing soaping-free printing and dyeing process used for fabrics. In the existing active ink-jet printing technology, the price of the ink is high, the soaping is required after steaming, and the process can produce a large amount of printing and dyeing sewage. A purpose of the present invention is to solve the problems in the prior art. The soaping-free active digital ink-jet ink contains the following raw materials by weight: 5-20% of an active mixing dye, 0.01-2.0% of asurfactant, 15-30% of a moisturizing agent, 0.05-0.5% of a bactericide, 0.03-2% of a pH value adjuster, 2-10% of a viscosity modifier, 0.01-0.05% of a defoamer, and the balance of deionized water. According to the present invention, the problems of the sewage discharge generated during soaping, water washing and other washing processes after the ink-jet printing aging of the active ink-adapted fabric, and the high cost of the existing active ink are effectively solved so as to achieve the purposes of energy saving and emission reducing.

The invention discloses a textile pre-treatment solution as well as a preparation technology and application thereof. According to the textile pre-treatment solution provided by the invention, cationic mixed liquid is prepared by mixing a cationic modifier, resin and the like; the permeation of coating ink on a fabric can be reduced and a better color expressive force is realized; the color yieldand the brightness can be effectively improved and the wet rubbing fastness is improved; meanwhile, the textile pre-treatment solution has the advantages that the textile pre-treatment solution does not become yellow at high temperature and the hand feeling is not influenced.

The invention relates to a dyeing method of acid dyes for cotton textiles. The dyeing method comprises the steps of carrying out dipping or padding treatment on the cotton textiles by use of a cationic polymer nanosphere solution and dyeing with the acid dyes. The cotton is modified by cationic polymer nanospheres to enable the modified fibers to be positively charged, and the binding force between the acid dyes and the cotton is improved and the dyeing performance of the acid dyes to the cotton is improved in the presence of Coulomb attraction. The method can dye the cotton textiles with the acid dyes, has high dye take-up rate and short dyeing time and achieves salt-poor and salt-free dyeing; the method has simple process and strong operability; the air permeability and the hand feeling of cotton are not influenced after modified treatment.

The invention provides a method for darkening finishing of a wool fabric, and the method at least comprises the following steps: (1) preparation of fluoroalkyl modified amino silicone oil; (2) emulsifying of the fluoroalkyl modified amino silicone oil; (3) padding; (4) preliminary drying; and (5) baking. Compared with the prior art, the method for darkening finishing uses the fluoroalkyl modified amino silicone oil as a finishing agent, the apparent color depth (K / S) of the wool fabric after the finishing can be increased by more than 20%, and the hand feeling, the flexibility and the serviceability of the fabric may not be affected.

The invention discloses a reactive dye ink jet printing sizing agent for cotton fabric and belongs to the technical field of ink jet printing. The reactive dye ink jet printing sizing agent for the cotton fabric comprises sodium alginate, sodium carboxymethyl cellulose, hydroxypropyl guar gum, a dispersing agent and a migration inhibitor. The sizing agent can increase the reactive dye ink jet printing color yield without affecting the hand feeling of the cotton fabric after printing.

The invention discloses waterborne foamed velvet solvent-free compound polyurethane synthetic leather for sofas and a preparation method of the waterborne foamed velvet solvent-free compound polyurethane synthetic leather. The compound polyurethane synthetic leather comprises a wear-proof foamed velvet layer, a waterproof surface layer, a waterborne middle layer, an environment-friendly solvent-free compound adhesive layer and base cloth sequentially from top to bottom. The compound polyurethane synthetic leather has durable soft velvet hand feel, delicate genuine leather texture and excellentwear resistance and durability, hydrolysis resistance lasts for 8-12 years, Wyzenbeek wear resistance is 900,000-1,500,000 times, and Martindale wear resistance is 200,000-300,000 times. In addition,a production process is simple, convenient and environmentally friendly.

The invention discloses a fragrant detergent for household textiles. The fragrant detergent for the household textiles is prepared from the following raw materials in parts by weight: 2-4 parts of rose essence, 7-14 parts of zinc sulfate, 8-16 parts of methyl acrylate, 1.2-2 parts of essence, 6-12 parts of fatty alcohol-polyoxyethylene ether, 10-16 parts of a petroleum emulsion, 7-10 parts of cetyltrimethylammonium chloride, 8-13 parts of lauryl polyoxyethylene ether sodium sulfate, 2.4-4.6 parts of honeysuckle essential oil, 1-2.1 parts of sodium sulfate, 6-9 parts of a compound surfactant, 8-13 parts of ethyl alcohol and 2-5 parts of hydroxyethyl cellulose. The fragrant detergent for the household textiles is efficient and durable in antibacterial property, excellent in cleaning property, free of influence on the hand feeling of textiles, free of toxicity and harm to the human body and free of pollution to the environment, and is capable of durably scenting fragrant smell.

The invention provides an organic fluorine modified polyacrylate nanometer emulsion and a nanometer composite adhesive. The organic fluorine modified polyacrylate nanometer emulsion is characterized by being synthesized through the method comprising the steps that 10-15 parts by weight of methyl methacrylate, 2-4 parts by weight of hexafluorobutyl methacrylate, 0-1 part by weight of emulgator and 0-1 part by weight of ethylene glycol dimethacrylate are added into 15-25 parts by weight of water, stirring is carried out, pre-emulsification is carried out for 25-35 min, and a monomer pre-emulsion is obtained; then, 25-35 parts by weight of the monomer pre-emulsion is added into a reaction container, the temperature is increased to 75-85 DEG C, 2-5 parts by weight of the initiator potassium peroxodisulfate water solution with the concentration being 0.7-0.9% is added, a reaction is carried out for 25-35 min, 4-8 parts by weight of the initiator potassium peroxodisulfate water solution with the concentration being 0.7-0.9% and residual monomer pre-emulsion are dropwise added into the reaction container at the same time, a reaction is carried out for 1-3 h, and therefore the needed organic fluorine modified polyacrylate nanometer emulsion is obtained. The washing color fastness of textiles can be improved by means of the organic fluorine modified polyacrylate nanometer emulsion.