38results about How to "Feel firm" patented technology

The invention belongs to the field of leather tanning process and relates to a process for tanning and softening sheepskin by a multi-carboxylic nano compound chrome tanning additive. In a traditional chrome tanning method, the use of various chemicals in picking and chrome tanning procedures causes damage to the ecological environment. According to leather tanning mechanisms and structural features of collagenous fiber and the multi-carboxylic nano compound chrome tanning additive, the process used for leather tanning and skin softening is characterized in that the shrinkage temperature of blue wet leather can reach 105 DEG C, the grain side is flat and fine, and the requirements of goat skin garment leather can be met; compared with the method that 8 percent of chromium powder is adopted for conventional tanning liquid waste, liquid waste is characterized in that the content of Cr2O3 in the liquid waste is reduced to 172 mg/L from 1,952 mg/L, and the content of chromium in the liquid waste is reduced greatly; compared with the conventional chrome tanned leather, the chrome tanned leather treated through the process has the advantages that excellent effects to follow-up backwater, neutralization, and control to chromium pollution in dying and oiling liquid waste are achieved, the physical and mechanical performance of crust leather is similar, compact hand feeling is achieved, the filling performance and the softness are excellent, and the requirements of the goat skin garment leather can be met.

The invention discloses a preparation method of a multi-component flame retardant easy-to-clean filtering material and a non-woven filtering material, and relates to a preparation method of a filtering material. The preparation method of the multi-component flame retardant easy-to-clean filtering material comprises the steps of unpacking and checking 30-40% of melting point polyester staple fiber, 20-30% of flame retardant polyester staple fiber in 20-30% of three types of fibers and 8-15% of aramid staple fiber according to percentage by mass for evenly mixing, then loosening and carding, lapping after carding, adding lapped raw materials into a hot melt forming area, enabling low-melting-point polyester staple fiber of the filtering material to melt firstly at high temperature of 190-215 DEG C and be subjected to hot melting and bonding with evenly-lapped high-melting-point polyester staple fiber and the aramid staple fiber to form a whole body which is a finished product. The preparation method is simple; the product is environmentally friendly and safe; the strength of the filtering material after spray finishing is improved; the hand feel of the filtering material is stiff, thus facilitating pleating; the effective filtering area is increased; and the filtering material is stable and durable in flame retardant performance and good in decontamination effect.

A cosmetic dispenser with an inner body, an outer body, and an elevator cup has a rotary extension and retraction mechanism, a first annular bearing surface retained relative to the inner or outer body and an annular wall retained relative to the other of the outer or inner body. The annular wall can be a skirt of the outer body and can be crenelated into arcuate merlons and crenels. The merlons establish an effective circumference that overlaps with the circumference of the first annular bearing surface to provide frictional resistance to a rotation of the inner body relative to the outer body. The merlons can surround the first annular bearing surface and establish a circumference smaller than the circumference of the first annular bearing surface. The annular bearing surface can be a lateral bearing surface, and a second annular bearing surface can form a longitudinal bearing surface.

The invention relates to a foaming flame-retardant coating for a curtain. The coating comprises matrix emulsion composed of ethylene-vinyl acetate copolymerized resin, 3(2, 3-dibromopropyl) isocyanurate, association type waterborne polyurethane emulsion, polyacrylate emulsion, fumed silica, sulfo succinate, sulfo succinamide, a silicon-nitrogen compound, oxirane/epoxypropane segmented copolymer, modifier, wood fiber powder and aluminic acid ester. By means of the finishing process of the foaming flame-retardant coating for the curtain, the requirement for the finishing process of a heavy fabric can be met, physical foaming is directly conducted on the coating through a mechanical foaming machine, and then coating finishing is conducted, and meanwhile the defects that an original curtain fabric is poor in moisture absorption performance, carries static electricity easily, is poor in air permeability and the like are overcome.

The invention relates to an air filter device which comprises an outer shell 1, a cover plate 2, net winding and unwinding mechanisms 3a and 3b, a transfer mechanism 4, a gear 14 and a filter net component 6. The net winding and unwinding mechanism 3a or 3b is connected with the gear 14, and the filter net component 6 is led out from the net winding and unwinding mechanism 3a or 3b, covers an air inlet face, then covers an air outlet face after passing through the transfer mechanism 4, and then returns to the net winding and unwinding mechanism 3b or 3a. The filter net component 6 is synchronous with the net winding and unwinding mechanisms 3a and 3b through the gear 14, the filter net component 6 circulates in the net winding and unwinding mechanism 3a or 3b through the transfer mechanism 4 to be collected by the net winding and unwinding mechanism 3a or 3b, and the other net winding and unwinding mechanism 3b or 3a synchronously releases the filter net component 6. The air filter device can be applied to filter devices or components in air conditioners, and is used for filtering out and adsorbing PM particles in air.

The invention relates to an elastic woven-like warp-knitted fabric with a snagging prevention function and without spandex. The elastic woven-like warp-knitted fabric with the snagging prevention function and without spandex comprises a fabric body formed by weaving at least two guide bars on a single needle bed warp-knitting machine, and is characterized in that the fabric body comprises a compact surface layer and an elastic layer, wherein the compact surface layer is formed by weaving at least one guide bar with fiber yarns through a weaving chain and a plain or satin weave; the elastic layer is formed by weaving at least one guide bar with non-spandex elastic yarns by adopting warp pile or satin stitch; the compact surface layer and the elastic layer are integrally woven; and the elastic layer keeps a retracted state and pulls the compact surface layer. The elastic woven-like warp-knitted fabric with the snagging prevention function and without spandex has the characteristics of compact and smooth cloth surface structure, stiff hand feeling and difficulty in snagging.

The invention discloses novel environment-friendly waterborne textile coating polyfoam. The textile coating polyfoam is prepared from waterborne acrylate emulsion, a stearyl amine additive, a TiO2 additive, thickener, mould inhibitor, preservative, dispersant and a leveling agent. The invention further discloses a method for preparing the novel environment-friendly waterborne textile coating polyfoam.

The invention discloses a high hardness waterborne polyurethane fabric coating adhesive which is prepared from the following raw materials in percent by mass: 25-35% of water, 35-45% of waterborne polyurethane resin, 25-35% of waterborne polyacrylate resin, 1-10% of a sodium polyacrylate solution, 0.1-1% of a wetting agent, 0.1-0.5% of a defoamer, 0.5-1% of a pH regulator and 0.5-1% of a thickener. After a textile is coated with the fabric coating adhesive, the fabric coating product is high in seam slippage strength, hard and stiff in hand feeling and free of crease and fold. A preparation method is simple in process, low in cost and easy to popularize and apply.

The invention relates to a method for making polyester fabric ink-jet printing cross-stitch, comprising: (1) preparing a stiffening agent of a certain concentration first, adopting a padding method to stiffen the required printed fabric, and drying. (2) Prepare an acidic digital printing paste with a certain viscosity, stir it evenly, use the padding method to sizing the stiffened fabric, and dry it. (3) Finally, use acid ink digital inkjet printing, the inkjet volume is 100%, after printing, steam and dry. The present invention adopts the imitation cross-stitch style production method of digital ink-jet printing to replace the traditional manual cross-stitch, which has the characteristics of accurate positioning, realistic effect, simple method and higher efficiency.

The invention provides a method for producing a double-layer heavy change plain fabric and a product. The texture of a back shirt is cotton, fancy yarns on the surface are polyester and cotton, two raw materials are kept parallel and the tension of the two materials is controlled in the spinning process, overdying is performed after spinning, the polyester is dyed first and then the cotton is dyed to achieve a double-color effect, and weaving is performed finally. According to the double-layer heavy change plain fabric, the texture of the back shirt is the cotton, the fancy yarns on the surface are the polyester and the cotton, warp yarns are 21S/2 cotton+2N polyester-cotton fancy yarns, weft yarns are 10 cotton+2N polyester-cotton fancy yarns, warp and weft density is (12+6)*(12.5+6.3)/cm, and the ratio of the polyester to the cotton in the 2N polyester-cotton fancy yarns is 3:7. The double-color effect, double-layer texture and rigid handfeel of a cloth cover are achieved, and the double-color effect achieved in actual operation is ideal.

The invention relates to a preparation method of a water-based flame-retardant water-pressure-resistant polyurethane emulsion, which is prepared from isophorone diisocyanate, hydrogenated phenylmethane diisocyanate, polyoxypropylene triol, tris(dipropylene glycol)phosphite, linear dihydroxyalkyl siloxane, melamine cyanurate, dimethylolpropionic acid, 2-methyl-1,3-propylene glycol, triethylamine, hydrazine hydrate and deionized water through a prepolymerization reaction, a neutralization reaction, an emulsification reaction and a chain extension reaction. The fabric is stiff and dry in hand feeling and is high in elasticity, high in fastness, cold-resistant, high in water pressure resistance, good in flame retardance, environmentally friendly and low in production cost.

An adjustable shock absorber includes a housing defining an enclosed working space. A wall is formed in the working space and separates the working space into first and second fluid chambers. A compression valve is formed in the wall and a microvalve is attached to the compression valve and is operable to control fluid flow through the compression valve.

The invention provides a preparation method of environment-friendly semi-vegetable tanning-metal tanning mildew-resistant light-resistant suede leather, and the method can overcome the defects of a single non-chrome tanning process, greatly improve the light resistance, dyeing property and mildew resistance of the suede leather, realize chrome-free tanning and greatly reduce formaldehyde and other pollution problems. The method comprises the following steps in sequence: step 1, adding cow split leather, Tara tannins and Lutapol GLH into a rotary drum, conducting rotating for 55-65 minutes, then adding a Dowelltan ZAT multi-metal tanning agent, conducting retanning, conducting rotating for 160-200 minutes, then adding sodium formate, conducting rotating for 15-25 minutes, then adding sodium bicarbonate, and conducting rotating for 25-35 minutes; and 2, adding an alkali extracting agent, adjusting the pH value to 3.5-4.5, conducting rotating for 100-140 minutes, and discharging the solution in the rotary drum after rotating.

The invention discloses a silicon-containing stiffening agent, belonging to the field of textile auxiliary agents. The silicon-containing stiffening agent comprises the following raw materials by weight: 10 to 30 parts of crude intermediate oil, 5 to 10 parts of polyvinyl acetate, 10 to 20 parts of ethyl acetate, 4 to 10 parts of an emulsifier and 30 to 70 parts of deionized water. The preparationmethod for the silicon-containing stiffening agent comprises the following steps: uniformly mixing crude organosilicone oil, the polyvinyl acetate and the ethyl acetate, then adding the emulsifier, carrying out dispersing and emulsifying with a high-speed dispersing machine and a homogenizing machine for 1 to 2 h, and adding water for a plurality of times in batches until a phase of an obtained product is converted into an emulsion-like phase. The silicon-containing stiffening agent provided by the invention has excellent chemical stability against acid, alkali, salt and the like, can endow the hand feelings of stiffness, flatness, smoothness, thickness and solidness to fabrics, and has excellent washing resistance; and the textile treated by using the silicon-containing stiffening agentcan still maintain the hand-feeling styles of stiffness, flatness, smoothness and drape pendency after being washed with water for 5 times or more.