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56results about How to "Reduce finishing costs" patented technology

Anti-pilling air layer fabric with wool surface

The invention discloses an anti-pilling air layer fabric with a wool surface. The air layer fabric is formed by sewing or bonding and laminating a wool fabric and air layer auxiliary materials, wherein the wool fabric is subjected to anti-pilling treatment. The anti-pilling treatment comprises the following steps: preparing a first finishing liquid and a second finishing liquid; finishing the first finishing liquid; finishing the second finishing liquid; cleaning and drying the finishing liquids; and the like. Sulfydryl in a keratin molecule is combined with the sulfydryl on the wool surface; the bulges of scales are filled; and a finished protective film is formed on the surfaces of wool fibers through finishing of an ethanediamine-modified polylactic acid in the second finishing liquid, so that the friction coefficients of the fiber surfaces are reduced, and the strength of the wool fibers can also be increased. The film-forming materials of the first finishing liquid and the second finishing liquid are good in biocompatibility; the anti-pilling effect of the fabric prepared by lamination of the wool fabric reaches the second level; the warming effect can be increased when the fabric is combined to the air layer fabric; and the fabric is high in vertical sense and relatively excellent in wearing comfort.
Owner:阜南华翔羊毛衫有限公司

Sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks and rolling technology of sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks

The invention provides a sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks and a rolling technology of the sulfuric acid dew point corrosion resisting steel capableof avoiding the surface cracks. Compared with the prior art, according to the steel and the rolling technology thereof, a steel billet is heated in a heating furnace, and the heating furnace is divided into a preheating section, a first heating section, a second heating section, a first soaking section and a second soaking section in the length direction of the furnace; in the furnace, the temperature of the preheating section is lower than or equal to 750 DEG C, the temperature of the first heating section is 600-900 DEG C, the temperature of the second heating section is 850-1000 DEG C, thetemperature of the first soaking section is 1120-1160 DEG C, and the temperature of the second soaking section is 1100-1140 DEG C; and the quick temperature increasing heating time of the preheating section and the first heating section is 55-65 min, the heating time of the second heating section is 25-35 min, and the heat preservation time of the first soaking section and the second soaking section is 90-120 min. Formation of the surface cracks of the steel billet in the heating process is controlled by reasonably optimizing the heating temperature and the heat preservation time, and thus mesh cracks on the surface of rolled materials are avoided.
Owner:WUHU XINXING DUCTILE IRON PIPES

Casting process for casting motorcycle engine cylinder block

The invention discloses a casting process for casting a motorcycle engine cylinder block. The evaporative pattern casting process is adopted for casting the motorcycle engine cylinder block, so that the traditional sand shakeout and decoring procedures are omitted thoroughly, treatment cost is lowered, mold cost is lowered, high-precision castings are produced repeatedly one hundred percent, and the wall thickness error is controlled within + / - 0.5 mm. The casting process includes the following specific steps that a foam plastic gasifiable pattern is manufactured; the motorcycle engine cylinder block pattern is subjected to foam plastic gasification, and then the foam plastic gasifiable pattern is combined and dried; fireproof paint is brushed or sprayed on the surface of the foam plastic gasifiable pattern, and then the foam plastic gasifiable pattern is dried again; a special sand box for containing the motorcycle engine cylinder block is placed on a three-dimensional vibration compacting table and filled with bottom sand, and then vibration compacting and strike-off are carried out; the dried foam plastic gasifiable pattern is placed on the bottom sand, layer-by-layer sand filling is carried out according to process requirements, and strike-off is carried out on the opening of the box after automatic vibration compacting; and the opening of the sand box is covered with a plastic thin film, a sprue cup is placed, and an evaporative pattern is obtained and connected with a negative pressure system.
Owner:重庆市合川区银窝铸造厂

Multifunctional fabric fire retardant as well as preparation method and application of fabric fire retardant

The invention discloses a multifunctional fabric fire retardant as well as a preparation method and application of the fabric fire retardant. The structural formula of the fire retardant is as shown in the specification, wherein in the structural formula, the n is great than or equal to 2 and less than or equal to 10; R<1> is one of H, C(1-6) saturated aliphatic hydrocarbon, C(2-6) unsaturated alkyl and a compound with the structural formula shown in the specification; in the compound, the m is great than or equal to 1 and less than or equal to 10; the R<2> is one of H and C(1-6) saturated aliphatic hydrocarbon; the R<3> is one of H and C(1-6) saturated aliphatic hydrocarbon; R<4> is one of H and C(1-6) saturated aliphatic hydrocarbon. The fire retardant disclosed by the invention belongs to an intumescent fire retardant containing two fire-retardant elements, namely nitrogen and phosphorus and is excellent in fire-retardant effect; N-O bonds and quaternary ammonium ions are contained in molecules and the fire retardant has the functions of low yellowing and sterilization, so that multistep finishing can be realized in one time, the finishing cost of fabrics is greatly reduced and the pollutant discharge amount of printing and dyeing industry can be greatly reduced.
Owner:约克夏染料(中山)有限公司

A kind of multifunctional fabric flame retardant and its preparation method and application

The invention discloses a multifunctional fabric fire retardant as well as a preparation method and application of the fabric fire retardant. The structural formula of the fire retardant is as shown in the specification, wherein in the structural formula, the n is great than or equal to 2 and less than or equal to 10; R<1> is one of H, C(1-6) saturated aliphatic hydrocarbon, C(2-6) unsaturated alkyl and a compound with the structural formula shown in the specification; in the compound, the m is great than or equal to 1 and less than or equal to 10; the R<2> is one of H and C(1-6) saturated aliphatic hydrocarbon; the R<3> is one of H and C(1-6) saturated aliphatic hydrocarbon; R<4> is one of H and C(1-6) saturated aliphatic hydrocarbon. The fire retardant disclosed by the invention belongs to an intumescent fire retardant containing two fire-retardant elements, namely nitrogen and phosphorus and is excellent in fire-retardant effect; N-O bonds and quaternary ammonium ions are contained in molecules and the fire retardant has the functions of low yellowing and sterilization, so that multistep finishing can be realized in one time, the finishing cost of fabrics is greatly reduced and the pollutant discharge amount of printing and dyeing industry can be greatly reduced.
Owner:约克夏染料(中山)有限公司

Process for producing polyester industrial fiber for processing safe air bag of automobile

The invention relates to a process for producing a polyester industrial long fiber for processing a safe air bag of an automobile, which sequentially comprises the following steps: A. processing a polyester slice with high viscosity: enabling the viscosity of the polyester slice to reach 1.0-1.1dl / g; B. melting and spinning: transmitting the polyester slice after solid phase polymerization to a spinning screw rod extruder, melting in a spinning screw rod, entering a spinning assembly by a metering pump and extruding from a fiber spray plate with a diameter of 190 mm to 220 mm to spin fusant, , then heating by a slow cooling heater, carrying out cooling for molding by a side-molding blowing device and then entering a spinning passage; C. stretching and winding: oiling the surface of a fiber and carrying out second-grade high-speed stretching with the total stretching multiple being 5.0 to 5.8, carrying out high-temperature loosing thermoforming at 230 DEG C-250 DEG C and carrying out winding for molding in the range of the winding process speed of 2,500-3,000 m / min to prepare a finished product. The fiber for the safe air bag, which is produced by the process, can completely replace a nylon 66 fiber, is used for spinning terylene safe air bag fabrics and greatly reduces the processing cost.
Owner:ZHEJIANG HAILIDE NEW MATERIAL

A kind of anti-pilling wool surface air layer fabric

The invention discloses an anti-pilling air layer fabric with a wool surface. The air layer fabric is formed by sewing or bonding and laminating a wool fabric and air layer auxiliary materials, wherein the wool fabric is subjected to anti-pilling treatment. The anti-pilling treatment comprises the following steps: preparing a first finishing liquid and a second finishing liquid; finishing the first finishing liquid; finishing the second finishing liquid; cleaning and drying the finishing liquids; and the like. Sulfydryl in a keratin molecule is combined with the sulfydryl on the wool surface; the bulges of scales are filled; and a finished protective film is formed on the surfaces of wool fibers through finishing of an ethanediamine-modified polylactic acid in the second finishing liquid, so that the friction coefficients of the fiber surfaces are reduced, and the strength of the wool fibers can also be increased. The film-forming materials of the first finishing liquid and the second finishing liquid are good in biocompatibility; the anti-pilling effect of the fabric prepared by lamination of the wool fabric reaches the second level; the warming effect can be increased when the fabric is combined to the air layer fabric; and the fabric is high in vertical sense and relatively excellent in wearing comfort.
Owner:阜南华翔羊毛衫有限公司
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