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64results about How to "Rich touch" patented technology

Production method of fine-denier porous POY black yarn

The invention discloses a production method of a fine-denier porous POY black yarn. The method comprises the following steps of: drying semi-dull slices, drying black masterbatch, adding the slices and the black masterbatch material into a screw extruder, fusing the added materials in the screw extruder, respectively processing the fused materials in a metering pump and a spinning beam, spinning on a pack, cooling the materials by lateral blowing, applying oil on strands, processing the strands in draw-off godets GR1 and GR2, winding and shaping, and inspecting products. The method is characterized in that the step of drying the black masterbatch comprises the following sub-steps of: based on a continuous drying mode, firstly, adding the black masterbatch into a crystallization and drying tank, introducing heated dry air from the lower part of the crystallization and drying tank, and blowing out the heated dry air from the top of the crystallization and drying tank so as to dry the black masterbatch, wherein the drying time is 2 hours, the dried black masterbatch falls into an intermediate material storage bin for storage under the crystallization and drying tank, and the black masterbatch is further injected by a masterbatch injector under the intermediate material storage bin. The production method of the fine-denier porous POY black yarn has high masterbatch spinnability and better cooling effect, and can improve the oil application uniformity of spinning cakes and the productivity.
Owner:桐乡市中洲化纤有限责任公司

Formula and preparation process for multifunctional surface treating agent applied to aqueous leather

InactiveCN108047906ARich touch and visual experienceImprove physical performanceFireproof paintsWax coatingsWaxChemistry
The invention discloses a formula for a multifunctional surface treating agent applied to aqueous leather. The formula comprises 3 to 35% of an aqueous polyurethane emulsion, 0.5 to 20% of a multifunctional finishing agent, 2 to 15% of aqueous wax, 0.3 to 3% of a leveling agent, 0.5 to 1.5% of a thickening agent, 0.5 to 1% of an antifoaming agent and 24.5 to 93.2% of water. The preparation processcomprises the following steps: adding all the above raw materials except the thickening agent into a container in proportion, carrying out uniform mixing through a dispersator, then carrying out filtering and adding the thickening agent to adjust viscosity so as to obtain the surface treating agent. The surface treating agent provided by the invention endows synthetic leather with special performances like antibacterial, sterilizing, anti-ultraviolet, anti-radiation, flame-retardant, temperature-adjusting, color-changing, self-cleaning and anti-doodling performances without any influence on the fastness and handfeel of the synthetic leather, and substantially prolongs the service life of the synthetic leather; a product having been treated with the surface treating agent has better handfeel and presents better visual impression; and the surface treating agent greatly improves the physical properties of the synthetic leather and allows the synthetic leather to have more excellent scrape resistance, water resistance, fire resistance and the like.
Owner:宋林涛

Preparation method of stereoscopic natural bright microfiber material and products thereof by lustring

The invention discloses a method for preparing a stereoscopic natural bright microfiber material by lustring, comprising the following steps: step one, preparing a fiber bat; step two, preparing base cloth; step three, carrying out impregnation via polyvinyl alcohol; step four, carrying out impregnation via PU by dipping an intermediate product prepared by the step three via wet polyurethane size, solidifying, washing at normal temperature, pre-drying for a second time, dipping via dispersoid, drying for a second time, washing with water at high temperature, drying and shaping to prepare a semi-finished product, wherein a solidification solution is dimethylformamide, and the dispersoid is water-soluble polyurethane dispersoid; step five, carrying out alkali minimization; and step six, carrying out leather facing effect treatment and treating via a functional agent. The invention also discloses a preparation method of the microfiber material and the products thereof. The prepared microfiber material and the products thereof are strong in texture stereoscopic feeling, natural in gloss and rich and full in hand feeling; various physical indexes such as peeling strength, abrasion resistance, tearing resistance, maximum tension force, yellowing resistance and breathability and the like are significantly higher than that of the similar products; the microfiber material and the products thereof can be widely applied to high-grade fashionable clothes, household articles and working articles.
Owner:泉州众信超纤科技股份有限公司

Preparation method of multifunctional health-care fancy yarn with antibacterial and skin-care functions

InactiveCN107503012AReflect the advantages of learning from each otherRich and colorfulYarnPolyesterPolypropylene
The invention provides a preparation method of multifunctional health-care fancy yarn with antibacterial and skin-care functions. The yarn is composed of two pieces of core yarn, one piece of decorative yarn and two pieces of fixed yarn, wherein the core yarn is blended yarn formed by blending and processing calotropis gigantea fibers, mulberry bark fibers, Amicor antibacterial fibers and copper fibers, the fixed yarn is composed of far-infrared polyester filaments and tourmaline fiber filaments, and the decorative yarn is blended rough yarn formed by blending and processing tea leaf fibers, banana stem fibers, antibacterial odor-resistant acrylic fibers and rabbit hair fibers; or the core yarn is blended yarn formed by blending and processing sarcandra glabra fibers, luminous fibers, pineapple leaf fibers and silver fibers, the fixed yarn is negative ion polypropylene filaments, and the decorative yarn is blended rough yarn formed by blending and processing lotus fibers, anti-ultraviolet polyester fibers, double-resistant acrylic fibers, yak wool fibers and alpaca fibers. The yarn developed through the method does not generate adverse effects when making contact with the human body, products are not easy to damage by worms or rot, and the yarn is mainly used for various textiles such as yarn-dyed cotton suiting for women, roved and spun fabrics, decorative articles, hand knitted products and shawls.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Preparation technology of natural organism and vegetable fiber microfiber material, and preparation technology of product

The invention discloses a preparation technology of a natural organism and vegetable fiber microfiber material. The technology comprises the following steps: 1, preparing fiber batting composed of dermal fiber-containing composite fibers, modified high-shrinkage polyester fibers and vegetable fibers; 2, preparing a base cloth; 3, carrying out polyvinyl alcohol impregnation treatment; 4, carrying out PU impregnation treatment; 5, carrying out alkali decrement treatment; and 6, carrying out surface effect and function agent treatment: coating the surface of a semi-finished product to form a surface layer, and preparing the microfiber material from the surface layer according to a needed surface effect, wherein the surface layer is coated through the following steps: coating an air-permeable lining film, coating a surface slurry, drying the slurry, coating the surface slurry, and drying the slurry to obtain the finished microfiber material. The invention also discloses the microfiber material prepared through adopting the above technology, and a preparation technology of a product. The microfiber material and the product produced through the above technologies are comparable to derma in physical properties, and has the appearance, quality, strength, softness, air permeability and other physical properties of the derma.
Owner:泉州众信超纤科技股份有限公司

Preparation method of shoe lining leather

The invention relates to a preparation method of shoe lining leather. The preparation method comprises the following steps: (1) uniformly mixing and stirring PU resin, a thickener, a leveling agent and water to prepare mixed slurry; (2) coating the surface of release paper with the mixed slurry, carrying out drying to obtain a PU surface layer, coating the surface layer with the mixed slurry, carrying out drying, and forming a PU bottom layer on the PU surface layer to obtain a PU dry film; (3) impregnating base cloth with water-based wet resin, and carrying out drying to obtain a base; and (4) coating the PU bottom layer of the PU dry film with a solvent-free adhesive, carrying out pre-drying, laminating the PU dry film with the base, and conducting drying and curing to obtain the shoe lining leather. According to the invention, the PU dry film and the base are compounded by adopting the specific solvent-free adhesive, a formula of the solvent-free adhesive is optimized, and proper raw materials are selected to prepare the PU bottom layer and the PU surface layer, so the peel strength of the shoe lining leather is greatly improved, and the folding resistance and the wear resistance of the shoe lining leather are improved; and the DMF content of the shoe lining leather meets requirements prescribed by the ZDHC organization according to detection results.
Owner:HUALUN LEATHER & PLASTIC SUZHOU

Multi-color multi-material injection molding method

The invention relates to a multi-color multi-material injection molding method. The method comprises the following steps of S1, selecting at least a first plastic material and a second plastic material as injection molding materials; S2, heating and plasticizing the first plastic material, injecting the first plastic material into a first mold cavity, and taking out the molded first plastic material to obtain a first injection molding body; S3, placing the first injection molding body into a second mold cavity and fixing the position of the first injection molding body; and S4, heating and plasticizing the second plastic material and then injecting the second plastic material into the second mold cavity, so that the melt of the second plastic material covers the local surface of the firstinjection molding body, and after cooling and curing molding are completed, taking out an obtained double-material composite injection molded part taking the first plastic material as a main body andthe second plastic material as a coating glue; and so on. According to the method, each time the injection molded part molded in the previous step is placed in a novel coating mold cavity for fixing,and the Nth plastic material is plasticized and injected into the mold cavity, so that a novel layer of coating glue is formed on the surface of the injection molded part molded in the previous step until products are completed. According to the method, the production process is simple; and the product is safer and healthier, is more stable in quality and higher in grade.
Owner:湖南桑尼森迪玩具制造有限公司

Stereoscopic surface laser printing technology of cowboy brassiere and cowboy brassiere produced by stereoscopic surface laser printing technology

The invention relates to the technical field of laser technologies, and particularly relates to a stereoscopic surface laser printing technology of a cowboy brassiere and a cowboy brassiere produced by the stereoscopic surface laser printing technology. The laser printing technology comprises the following steps of: (1) lasering: putting a cowboy brassiere in a lasering machine for stereoscopic lasering treatment, cooling to a room temperature to form a laser cowboy brassiere primary product, (2) cleaning and softening treatment: cleaning the cowboy brassiere primary product with a cleaning agent, softening the primary product with a softening agent, airing or drying the primary product to form a laser cowboy brassiere semifinished product, and (3) typing treatment: applying a transparent typing agent on a laser surface of the cowboy brassiere semifinished product to form the laser printing cowboy brassiere. The cowboy laser printing technology is easy and simple to operate; a surface layer of the brassiere is burnt and melt by the stereoscopic lasering on the surface of the cowboy brassiere to form a laser engraving hollow area and a non-laser engraving area; and laser printing with a strong stereoscopic effect, high clarity and high persistency can be presented after post treatment.
Owner:HONGJI UNDERWEAR CO LTD

Comb-shaped associative polyurethane composite modified organic silicon softener emulsion and preparation method thereof

The invention relates to the field of polyurethane modified resin type organic silicon softener emulsion for finishing hand feeling styles of various textiles, and discloses comb-shaped associative polyurethane composite modified organic silicon softener emulsion and a preparation method thereof. The method comprises the following steps: preparing raw materials; performing prepolymerization; and carrying out chain extension and mixing emulsification. The softener emulsion disclosed by the invention is novel in structure and remarkable in effect. Various macromolecules in the emulsion can be effectively associated with each other, and blending modification of a traditional organic silicon softener is realized on textile fibers in a molecular blending manner. The self-made polyurethane modified polysiloxane polymer main chain has better extensibility, and polysiloxane long chains and polyether long chains are distributed in the side direction of the self-made polyurethane modified polysiloxane polymer main chain in an echelon manner; compared with a traditional amino modified organic silicon softener, the product provided by the invention can endow various textiles with obviously better hydrophilicity and elastic hand feeling; and the product is low in emulsifier content, safe, environmentally friendly and convenient to use, and has a good market prospect.
Owner:WUHAN TEXTILE UNIV +1
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