31results about How to "Does not affect whiteness" patented technology

The invention relates to a polyhexamethylene biguanide hydrochloride compound microencapsulated antibacterial finishing agent and a preparation method thereof. The antibacterial finishing agent comprises a core material and a shell material; the core material comprises polyhexamethylene biguanide hydrochloride, nanometer copper ions, 3-methyl-4-isopropylphenol, a dispersant, an emulsifying agent and a stabilizer; and the shell material is a mixed biological adhesive material composed of a synthesized biological adhesive material and chitosan. The antibacterial finishing agent has high efficiency, wide spectrum and washing resistance to various fabrics and is high in safety, simple in preparation process and low in cost.

The invention provides a printing method of a mobile phone lens. The printing method includes the steps: firstly, providing a mobile phone lens substrate and a film for displaying patterns to be printed; secondly, manufacturing a first screen and a second screen by the aid of the film; thirdly, printing frosted cream on the mobile phone lens substrate by the aid of the first screen to obtain the mobile phone lens substrate with a frosted surface; and fourthly, printing white ink on the mobile phone lens substrate with the frosted surface by the aid of the second screen. The invention further provides a mobile phone lens obtained by the printing method. The covering rate of the mobile phone lens manufactured by the printing method of the mobile phone lens is obviously increased, and whiteness of the white ink is unaffected.

The invention relates to a preparation method of superfine modified ground limestone. The preparation method of the superfine modified ground limestone comprises the following steps of: (1) steeping slurry; (2) grinding in a four-level wet-method grinding manner; (3) drying: carrying out spray drying on the slurry by using a spray drying device; and (4) modifying: grinding and dispersing the collected ground limestone powder by a dry method at the grinding rate of 1460r / min, and adding modifiers in the grinding process so as to obtain the superfine modified ground limestone. By using the four-level wet-method grinding manner and a method of modifying subjected to drying, the problem of waste of modifiers during liquid modification is solved, and the activating rate and whiteness of the product are improved.

The invention relates to the technical field of papermaking pulping, in particular to a blanching method capable of improving strength of bamboo pulp fiber. Damage to lignin and cellulose is reduced by reducing the blanching temperature of an EOP section and reducing the severity of a reaction, meanwhile, the temperature, pH value and the dosage of a chlorine dioxide blanching agent in the anterior and posterior blanching process of the EOP section are controlled for optimization of comprehensive reaction conditions, finally, whitening enzyme in the model of BUZYME3500, which is produced by the Bachmann Company, is selected for enzyme treatment of bamboo pulp, damage of the EOP section to bamboo pulp fiber can be reduced finally under the synergistic action, the strength of the bamboo pulpfiber is greatly improved, the whitening degree of the bamboo pulp cannot be affected, the whitening degree of the prepared bamboo pulp reaches 85-87 degrees, no yellowing phenomenon can be caused after stabilization, and the tearing strength and the fracture resistance of paper prepared from the bamboo pulp can be improved by 5% or above.

The invention discloses a production method of microcrystalline mullite-type calcined kaolin, the obtained microcrystalline mullite-type calcined kaolin and applications thereof. 1) Fe 2 O 3 ≥0.4% high-speed iron coal gangue as raw material, adjusted to make Al in the raw material 2 O 3 ≥30%, 2) crush the raw materials obtained in step 1), and grind them to more than 100 meshes to obtain a mixed powder, 3) add water to the mixed powder and mix evenly to make a wet material, age, squeeze the mud to make a brick, and put it in the The kiln car is dried, and after drying, the kiln car enters a tunnel kiln for calcination at 800-1350° C. to obtain the microcrystalline mullite-type calcined kaolin. The calcined kaolin product prepared by the production method of microcrystalline mullite type calcined kaolin of the present invention has high whiteness, uniform chemical composition, stable microstructure, and contains a large amount of mullite microcrystals. It is a ceramic glaze, high-quality clay brick, The raw material of choice for lightweight mullite bricks and ceramic fiber wool.

The invention discloses a method for realizing a textile intelligent cleaning function through a crosslinking temperature-sensitive copolymer. The method comprises the following steps of (1) using the temperature-sensitive copolymer, a crosslinking agent, a catalyst and a solvent to process a textile; (2) carrying out crosslinking reaction on the processed textile through heating and baking. According to the method for realizing thetextile intelligent cleaning function through the crosslinking temperature-sensitive copolymer provided by the invention, the cleaning efficiency of the textile during the washing process is improved, and the self-cleaning effect is achieved during the wearing process; the operation can be carried out conveniently without influencing the original whiteness and flexibility; a covalent bond is formed through reaction of a reactive functional group contained in an acrylate monomer with the reactive functional group at the tail end of a side chain in the temperature-sensitive copolymer and a reactive functional group on the surface of the textile with carboxyl contained in the crosslinking agent, and the temperature-sensitive copolymer is fixed on the surface of the textile, so that the modified textile has a function of hydrophily / hydrophobicity intelligent adjustment.

The invention discloses a betaine type antibacterial finishing agent and a preparation method thereof and belongs to the technical field of organic synthesis. A synthetic route of the betaine type antibacterial finishing agent comprises the following steps: firstly, taking olefin containing tertiary amine and a substance with a sulfonic acid or carboxylic acid group to react to generate an intermediate product betaine monomer; then taking the betaine monomer and maleic anhydride to be subjected to addition polymerization reaction to generate a betaine polymer, i.e., a target product. The antibacterial agent disclosed by the invention is green and environmentally friendly and can realize efficient and broad-spectrum antibacterial effects; meanwhile, the betaine type antibacterial finishingagent contains a reactive group, can be subjected to covalent reaction with the surface of a material and has a lasting antibacterial property. Moreover, a preparation technology of the antibacterialagent is simple and industrialization is easy to realize.

The invention discloses a waterproof finishing agent and a use thereof. The waterproof finishing agent comprises, by weight, 10-20 parts of methanol, 40-60 parts of a fluorine-containing boronic acid derivative, 4-8 parts of sodium aliphatate, 5-10 parts of polyethylene wax emulsion, 4-8 parts of an organosilicon, 1-3 parts of a surfactant and 200 parts of water. The fluorine-containing boronic acid derivative is one of 2-trifluoromethylphenylboronic acid, 3-trifluoromethylphenylboronic acid, 4-trifluoromethylphenylboronic acid, 4-trifluoromethoxyphenylboronic acid, 3, 5-bis(trifluoromethyl) derivative and 3, 4, 5-trifluorophenylboronic acid. The fluorine-containing boronic acid derivative is used as a main raw material of the waterproof finishing agent. Through a common double-padding-double-dipping production technology and coordination complexation, a fabric is treated by the waterproof finishing agent. The treated fabric has good waterproofness and retains original fastness to washing and whiteness so that the waterproof finishing agent has a practical application value and a wide application prospect in the field with self-cleaning requirements.

The invention relates to a preparing method of using marble wastes to recycle heavy calcium powder. The preparing method comprises the steps of material selecting, cleaning, airing, crushing, screening through vibration, ball-milling and grading. The preparing method is simple in technology and convenient to operate, achieves recycling and reuse of the marble wastes so as to turn waste into wealth, saves investment cost and mineral resources, and is very environmentally friendly.

The invention relates to a powder grinding aid suitable for kaolin, particularly relates to a powder grinding aid suitable for kaolin ultrafine powder, and belongs to the technical field of grinding of kaolin ultrafine powder. The powder grinding aid is prepared from the following substances in parts by weight: 1-5 parts of polymeric alkylol amine, 1-10 parts of polyethylene glycol, 5-15 parts of polyacrylamide, 1-15 parts of sodium pyrophosphate and 20-50 parts of wollastonite in powder. The grinding aid disclosed by the invention is compounded by mineral raw materials and common chemical materials, so that the powder grinding aid is sufficient in raw material source, available, low in toxicity, non-volatile, simple to produce and process, and low in cost; a kaolin grinding production enterprise utilizes the powder grinding aid disclosed by the invention; and the operation is simple and convenient. According to the powder grinding aid disclosed by the invention, the grinding efficiency is improved; the energy consumption is reduced; the surface energy of the kaolin ultrafine powder can also be effectively lowered; particle aggregation is avoided; the fineness of the power grinding aid is improved; the liquidity of the powder grinding aid is improved; and the whiteness of kaolin is not affected.

The invention relates to a high-performance polyamide-based dyeable conductive fiber and a preparation method thereof, belonging to the field of composite conductive fibers. The fiber provided by the invention employs a three-layer concentric circle structure which comprises three components, i.e., a highly-conductive medium carbon black component, a shielding composite substance component and a white conductive component in a mass ratio of 5-30%: 20-30%: 50-65%, wherein an inner layer, a middle layer and an outer layer are the highly-conductive medium carbon black component, the shielding composite substance component and the white conductive component respectively, or are the highly-conductive medium carbon black component, the white conductive component and the shielding composite substance component respectively. The fiber provided by the invention has improved conductivity and maintains original whiteness and dyeability. According to the invention, a metal oxide and a conductive intrinsic polymer are blended and granulated during preparation of white dyeable conductive master batch, so the characteristics of the two white conductive additive are integrated; and polyamide carrier resin is added to adjust a fusion index, so fluidity is improved, and the conductivity of the eventually prepared fiber is improved.

The process relates to a process for printing a QS quality safety sign on gold card paper, which comprises the following steps: 1, carrying out computer color separation on a QS sign pattern to be printed, and separately making an electronic file with all edges longer than the size of a white pattern; 2, making 3 films by using the file made in the step 1; 3, carrying out plate burning by using the films in the step 1 to make 3 corresponding printing plates; 4, installing the printing plates obtained in the step 3 on an offset press; 5, pouring a shell-lac alcoholic solution and water in a first machine set; pouring white ink and a fountain solution in a second machine set; and pouring spot blue ink and the fountain solution in a third machine set; 7, installing ultraviolet light tubes between the first machine set and the second machine set, between the second machine set and the third machine set and behind the third machine set; 8, printing shell-lac by the first machine set, printing the white ink by the second machine set, and printing the spot blue ink by the third machine set, and then obtaining a QS sign printing product. The process has the advantages of convenient printing, less process faults, flat and smooth ink layers and good handfeel.

The invention relates to the field of textiles, and discloses a method for realizing linear regulation of comfort and anti-bacterial adhesion by crosslinking temperature-sensitive microgels on the surface of fabrics, comprising the following steps: 1) using temperature-sensitive microgels, crosslinking agents, catalysts and solvents 2) heat up and bake the treated textile to generate crosslinking reaction. The invention realizes the function of linear regulation of textile comfort and anti-bacterial adhesion, and is convenient to operate without affecting the original whiteness and flexibility of textiles; The reactive functional groups contained in the body and the reactive functional groups on the surface of the textile react with the carboxyl group contained in the crosslinking agent to form a covalent bond, and fix the temperature-sensitive microgel on the surface of the textile, which overcomes the general smart temperature-regulating textiles that only "open" or "off" function, so that the pores of the microgel film on the surface of the textile after finishing gradually increase with the increase of temperature and the surface of the fabric always maintains the hydrophilic property, thus realizing the function of linear regulation of textile comfort and anti-bacterial adhesion .

The invention provides a printing method of a mobile phone lens. The printing method includes the steps: firstly, providing a mobile phone lens substrate and a film for displaying patterns to be printed; secondly, manufacturing a first screen and a second screen by the aid of the film; thirdly, printing frosted cream on the mobile phone lens substrate by the aid of the first screen to obtain the mobile phone lens substrate with a frosted surface; and fourthly, printing white ink on the mobile phone lens substrate with the frosted surface by the aid of the second screen. The invention further provides a mobile phone lens obtained by the printing method. The covering rate of the mobile phone lens manufactured by the printing method of the mobile phone lens is obviously increased, and whiteness of the white ink is unaffected.