42results about How to "Good waterproof and oil-proof effect" patented technology

The invention provides a water and oil proofing agent, and a preparation method and applications thereof. The water and oil proofing agent comprises following ingredients, by mass, 20 to 30% of a polymer containing fluorine, 3 to 20% of a compatilizer, 1 to 5% of a surfactant, 4 to 20% of a hydrophilic solvent, 0.001 to 3% of a pH adjusting auxiliary agent, and water. The water and oil proofing agent possesses excellent water and oil proofing effect, is green, and is friendly to the environment. Compared with existing products, water and oil proofing effect of compounds containing fluorine is more obvious in the water and oil proofing agent, and influences of the surfactant on water and oil proofing performance are reduced.

The invention discloses a surface treating agent and a use method thereof, wherein the surface treating agent is used for improving surface properties of a substrate. The invention particularly discloses a multifunctional surface treating agent prepared from the following substances in percentage by weight: 5-50% of a film forming matter, 5-15% of a nano oxide, 0.5-20% of an auxiliary agent and 15-80.5% of deionized water. The multifunctional surface treating agent disclosed by the invention is applied to surface treatment project, and can realize effects of high water prevention, high oil prevention, high transparency, high pollution prevention, high flame retardance and high sun prevention.

The invention provides a silicon-fluorine-containing styrene-acrylic emulsion and a preparation method thereof. The silicon-fluorine-containing styrene-acrylic emulsion mainly comprises the following components in percentage by mass: 5-30% of acrylate monomer, 5-25% of styrene, 1-8% of organosilane, 1-5% of organic fluorine, 2-7% of emulsifier, 0.5-2% of initiator, 0-2% of hydrolysis inhibitor and 0.1-0.5% of ammonia water. The styrene-acrylic emulsion provided by the invention has the advantages of the organosilicon and organic fluorine, can effectively lower the emulsion cost, and has better water resistance and oil resistance.

The invention discloses a fluorine-containing copolymer for water and oil prevention of paper and a preparation method of dispersion liquid of the fluorine-containing copolymer, and belongs to the technical field of paper water and oil prevention. The fluorine-containing copolymer for water and oil prevention of the paper is prepared from, by weight, 60-90 parts o f fluorine-containing monomers, 3-30 parts of amidogen monomers, 0.5-20 parts of hydroxyl monomers, 0-10 parts of other monomers, 0.1-2 parts of initiator, 0-2.5 parts of chain transfer agent, 0.1-15 parts of N-chloroethyl-2-imidazolidone and 0-9 parts of protonic acid. The fluorine-containing copolymer for water and oil prevention of the paper is good in water and oil prevention effect; the compatibility of the copolymer and a cationized paper additive is good, and the water and oil prevention effect can be kept better if the copolymer and the cationized paper additive are used in cooperation; in addition, the hot oil resisting performance of the copolymer is excellent.

The invention provides an emulsion for waterproofing and oilproofing finishing aspect of paper or cardboard and the preparation method thereof, wherein, the emulsion comprises a) a copolymer of repeated unit formed by oxa-perfluoroalkyl group (methyl) acrylate monomer, higher fatty alcohol (methyl) acrylate monomer, (methyl) hydroxyl acrylate monomer; b) an emulsifier; c) a chain transfer agent; d) an initiator. The invention is used for waterproofing and oilproofing finishing of paper. The emulsion for waterproofing and oilproofing finishing aspect of paper or cardboard of the invention does not contain organic solvent, so not only safety performance is high, but also small affect to environment is provided when used.

The invention relates to the technical field of garment materials and provides an oilproof fabric. The oilproof fabric has good waterproof and oilproof effects. The oilproof fabric provided by the invention comprises a fabric layer and an oilproof layer; the oilproof layer is sprayed on the fabric layer; the oilproof layer comprises the following raw materials in part by weight: 20 to 25 parts of perfluoroalkyl acrylate copolymer, 15 to 20 parts of polyvinylidene fluoride, 1 to 15 parts of cross-linking agent and 40 to 60 parts of water.

The invention discloses a high-efficiency water-proof anti-oil high temperature-resisting dedusting treating agent for synthetic leather, relating to a high temperature-resisting dedusting treating agent, comprising 18-25 parts of temperature-resistant resin, 7-12 parts of polyurethane bright resin, 23-32 parts of dimethyl formamide, 8-13 parts of ethyl acetate, 15-23 parts of butyl acetate, 2-4 parts of micronized organic polymer wax, 4-7 parts of micronized silicon dioxide, 2-7 parts of oily water-proof anti-oil aid, 1-3 parts of modified organosilicon aid, and 1-3 parts of grease. The dedusting treating agent disclosed herein has high temperature resistance, excellent water-proof anti-oil effect, charred feeling, extremely good handle, oil feel and waxy feel, and strong leather feeling.

The invention discloses a waterproof and oilproof non-woven fabric and a preparation process thereof. The waterproof and oilproof non-woven fabric is prepared from, by weight, 65-75 parts of polypropylene, 16-22 parts of maleic anhydride grafted ethylene-octene copolymer, 8-13 parts of PP-g-AA grafted copolymer, 2-4 parts of amino modified polysiloxane emulsion, 5-8 parts of polyvinylidene fluoride-hexafluoropropylene copolymer, 4-7 parts of polyacrylic acid fluoroester and 9-15 parts of fillers. The waterproof and oilproof non-woven fabric has excellent and long-lasting water proofing and oilproofing effect, and its water proofing and oil proofing property is not easy to lose even when the fabric touches solvents or the fabric is washed or rubs with other objects. Besides, the fabric hasexcellent elasticity and softness, is free of irritation to skin, and is highly comfortable to wear.

A surface sizing agent with waterproof, oil-proof and heat-sealing properties is used to coat the surface of paper to produce the heat-sealable food packaging paper in a film transfer sizing manner, and the adopted surface sizing agent is a mixed sizing solution of an oil-proof agent, a thermoplastic water-based acrylate emulsion, a water-based ethylene-acrylic acid block copolymer, a PE wax emulsion and carboxymethyl cellulose. The gluing amount is 2.03.5 g/m<2>. The food packaging paper product is quantified to be 30-100 g/m<2>, the cobb60 water absorption value is smaller than or equal to 18 g/m<2>, and the oil-proof grade is larger than or equal to 7. Bag making or box making of products is achieved in a heat sealing mode of a heat sealing machine, and the heat sealing strength is larger than or equal to 4.0 N/15 mm.

The invention relates to the technical field of preparation of fluorine-containing acrylate, and discloses a preparation method of perfluorohexyl propyl acrylate, which comprises the following steps: perfluoroalkyl ethylene and methanol are subjected to free radical addition reaction under the initiation action of organic peroxide; after the reaction, performing first reduced pressure distillation purification to obtain perfluoroalkyl ethyl propanol; then dissolving perfluoroalkyl ethyl propanol in tert-butyl alcohol, carrying out esterification reaction with excessive acrylic acid under the action of a catalyst, recovering the tert-butyl alcohol after the esterification reaction is finished, and carrying out second vacuum distillation purification to obtain the perfluorohexyl propyl acrylate. According to the preparation method, perfluorohexyl ethylene is taken as a raw material, perfluorohexyl propyl acrylate is prepared through a two-step method, the requirement for reaction conditions is lower, safety and environment friendliness are achieved, and the production cost can be saved. The waterproof and oil-proof agent can be directly used for preparing waterproof, oil-proof and antifouling finishing agents for fabrics and anti-corrosion agents for large-scale integrated circuits and the like, wherein the effects are obviously superior to that of a traditional waterproof and oil-proof additive.

The invention discloses a preparation method for a waterproof protective perfluoro-acrylate copolymer aqueous dispersion miniemulsion for wood. The preparation method particularly comprises the following steps: mixing and stirring a comonomer mixture, an emulsifier and deionized water to obtain a pre-emulsion; performing ultrasonic treatment on the obtained pre-emulsion in an ultrasonic machine to obtain a stable monomer miniemulsion; placing the monomer miniemulsion subjected to fine emulsification treatment in a reaction still, separately adding a transfer agent and an initiating agent, heating to initiate polymerization, performing a reaction, insulating, cooling to the room temperature till a monomer conversion rate reaches 95.0% or above, and filtering to obtain the miniemulsion. The water and oil repellent (namely the waterproof protective perfluoro-acrylate copolymer aqueous dispersion miniemulsion) obtained according to the preparation method does not need an organic solvent, and is safe and environmentally friendly; the prepared miniemulsion is high in storage stability and dilution stability; a copolymer miniemulsion coating formed by the water and oil repellent is high in film-forming property, water resistance and oil resistance.

The invention relates to a waterproof oil-proof agent for paper products and a preparation method and application thereof. The waterproof oil-proof agent for the paper products is formed by copolymerization of a fluorine-containing monomer, a silane coupling agent and an acrylic monomer. The waterproof oil-proof agent for the paper products can be dispersed and dissolved in water, is environmental-friendly, has high stability, has a small addition volume in the paper products, and has excellent waterproof and oil-proof effects.

The invention provides a network-structure short-chain fluorine-containing waterproof and oil-proof copolymer and a preparation method thereof. The network-structure short-chain fluorine-containing waterproof and oil-proof copolymer comprises the following copolymerization units: 1) 35-65 wt% of copolymerization units derived from a condensation polymer of 1, 3, 5-benzenetricarboxylic acid, alkyl glycol and acrylic acid; 2) 15-35 wt% of copolymerized units derived from a short chain fluorinated acrylate; 3) 10-40 wt% of copolymerized units derived from an acrylate; and 4) 1-10 wt% of copolymerized units derived from functional monomers. The copolymer is of a reticular structure, has good waterproof and oil-proof effects, can be comparable with a long-chain perfluoroacrylate waterproof and oil-proof agent, and can be used for waterproof and oil-proof finishing of various substrates such as fabrics, leather, paper and the like.

The invention discloses a fluoride-free waterproof and oil-proof agent and a preparation method thereof. The fluoride-free waterproof and oil-proof agent comprises the following components in parts bymass: 7-11 parts of fluoride-free acrylate polymer particles, 4-6 parts of biological wax, 10-14 parts of a natural adhesive component, 5-8 parts of inorganic nanoparticles, 3-5 parts of an anti-settling agent, and 106-121 parts of a solvent; According to the fluoride-free waterproof and oil-proof agent, due to the addition of the inorganic nanoparticles, the formation of a micro-nano coarse structure is enhanced, the amphiphobic performance of the waterproof and oil-proof agent is greatly improved, and the fluoride-free waterproof and oil-proof agent also has better flame-retardant and fireproof effects, can be widely applied to various products, particularly resin materials, glass products and the like, and is transparent and bright after being used; and the surface optical property ofeach material is not influenced.

The invention discloses a saturated impregnation production process of a waterproof and oil-proof non-woven fabric. The process comprises the following steps that carding is performed to form a web, the weight range of the formed fiber web is 50-55 g/m<3>; an impregnating adhesive liquid is prepared, wherein every 500 kg of the impregnating adhesive liquid contains 130-170 kg of resin glue, 40-60kg of polyvinyl alcohol, 10-20 kg of a waterproof and oil-proof agent and an appropriate amount of an antifoaming agent; the liquid content of the fiber web is 50-80%, and a drying cylinder is adoptedto dry the fiber web subjected to squeezing of a pressing roller. The waterproof and oil-proof non-woven fabric prepared by the production process has the advantages that the impregnating adhesive liquid contains the resin glue, the polyvinyl alcohol and the waterproof and oil-proof agent, so that a layer of film is formed on the surface of the non-woven fabric after the resin glue is dried, andthe waterproof and oil-proof effect of the non-woven fabric is better by combining the added waterproof and oil-proof agent; the used polyvinyl alcohol solves the problem of pilling on the surface ofthe non-woven fabric; the prepared waterproof and oil-proof non-woven fabric not only has the characteristics of good air permeability of the impregnated non-woven fabric, but also has the waterproofand oil-proof effect.

The invention discloses oil-proofing and water-repelling working clothing, which comprises an upper garment, wherein the upper garment comprises an oil-proofing layer, a middle layer and a breathable layer; the upper garment at least comprises a front sheet, a rear sheet and a rear over-shoulder piece; the oil-proofing layer is made from a mixture of polyurethane and fluoroacrylate, and the middle layer is made from anti-tearing cloth; a layer of activated carbon fabric is each arranged on front chest parts and armpit parts of the breathable layer; the breathable layer, which is connected to the activated carbon fabrics, is provided with air vents; ventilation tubes are arranged in the breathable layer; in correspondence to the inner side of the lower part of the rear over-shoulder piece of the upper garment, the rear sheet of the upper garment is provided with exhaust ports; air inlets are formed in the armpit parts of the upper garment; at the inner sides of the exhaust ports, an exhaust device is arranged in the upper garment; and one end of each ventilation tube is connected to the corresponding air inlet and the other end is connected to the exhaust device. The oil-proofing and water-repelling working clothing provided by the invention has the advantages and beneficial effects that relatively good water-proofing and oil-proofing effects are guaranteed, and sweat can be completely removed rapidly; and meanwhile, an excellent cooling effect is guaranteed, so that the working clothing is applicable to working environments in hot weather or under relatively high temperature.

The invention belongs to the technical field of functional materials, and particularly relates to a fluoride-free treating agent, oil-proof paper and a food packaging material. The fluoride-free treating agent can be applied to packaging materials in a coating and spraying mode, and the problem that in the prior art, plastic film packaging paper is not recycled, so that the film stays in nature for a long time, and white pollution is caused is solved; and meanwhile, the dosage of the fluoride-free treatment agent is far lower than that of film treatment, so that the cost is saved, and the benefit is improved. The fluoride-free treatment agent disclosed by the invention is a water-based emulsion used in a food packaging material, not only can meet the requirements of water and oil resistance of food, but also has certain tolerance to high temperature, and does not have obvious yellowing and discoloring phenomena when being used at 180 DEG C.

The invention belongs to the field of fabric processing, in particular to a method for manufacturing a multifunctional nano bed sheet; aiming at the problem that the performance of a bed sheet can bereduced after the conventional bed sheet is frequently cleaned, the invention provides a scheme, involving the multifunctional nano bed sheet; the multifunctional nano bed sheet is characterized by comprising a main material and an auxiliary material, the main material comprises warp yarns and weft yarns, and the auxiliary material comprises a nano inorganic antibacterial agent and far infrared ceramic powder; The preparation method of the multifunctional nano bed sheet comprises the steps: I, preparing the warp and weft yarns required for the bed sheet by a yarn weaving machine. The far infrared ceramic powder is added in the process of preparing warp and weft yarns, a material containing nano particles and fibers is woven into a nano cloth material, the nano-sized carbon superfine particles are uniformly dispersed in the fibers so that the heat diffusion function is improved, and the cloth has greater heat conductivity so that the heat insulation and heat resistance of the cloth areimproved, and the weight of the cloth is reduced.

The invention provides a novel vinyl fluorine-containing copolymer. The vinyl fluorine-containing copolymer is obtained by free radical copolymerization of a short-chain fluorine-containing monomer, aquaternary amine acrylate monomer and an acrylic monomer, and the prepared waterproof and oil-proof composition is applied to a paper-based product and can be more easily combined with negatively charged hydroxyl in paper fibers, so that a good retention aid effect is achieved. The adopted fluorine-containing monomer is a short-chain fluorine-containing monomer, so that PFOA/PFOS which has bioaccumulation and is difficult to degrade is not generated, the environment is not polluted, and damage to organisms is avoided. The prepared waterproof and oil-proof composition has better waterproof andoil-proof effects when being applied to paper-based products.

The invention relates to the technical field of packaging, in particular to a disposable chopsticks packaging method. The method comprises the following steps that 1, attribute information of chopsticks to be packaged is observed and measured; 2, common packaging paper packaged by a winding drum is selected, and detailed specifications, such as the thickness and the width of the packaging paper, of the selected packaging paper are determined according to a result obtained in step 1; 3, the packaging paper selected in step 2 is subjected to appearance pattern printing and film laminating treatment, and the treated packaging paper is still packaged through the winding drum; 4, the packaging paper obtained in step 3 and the winding drum are cut into packaging roll paper with a specific width,the packaging roll paper is directly used as a packaging material of a chopsticks packaging machine, and the packaging work of the chopsticks is completed by using the chopsticks packaging machine, and 5, the packaged chopsticks are checked, unqualified packaged products are removed, then the remaining packaged chopsticks are continuously sub-packaged into the large bags of packaged chopsticks orthe large boxes of packaged chopsticks according to the quantity of the packaged chopsticks, and finally the packaged chopsticks are stored in a storehouse.

The invention discloses a piece of weighing paper. The surface resistivity of at least one surface of the weighing paper is not greater than 1010 ohms, the quantity of the paper is 25-45 g/m<2>, and the static friction coefficient of the surface for weighing is not greater than 0.25. The surface resistivity can be further reduced by increasing antistatic components, and due to reduction of the surface resistivity, the possibility of powder flying can be effectively reduced when nano-powder is weighed. Meanwhile, substances like nano-powder can be transferred from the surfaces of the weighing paper smoothly by controlling the surface roughness and the static friction coefficient of the weighing paper.

The invention belongs to the technical field of processing finishing agents, and particularly relates to a flame-retardant, waterproof and oil-proof finishing agent and a preparation method thereof. The invention provides the flame-retardant, waterproof and oil-proof finishing agent. The flame-retardant, waterproof and oil-proof finishing agent is prepared from the following raw materials in parts by weight of 50-80 parts of acrylate, 10-50 parts of fluoroester, 5-17 parts of a compound A containing a cyclic structure, 0.01-0.05 part of an initiator and 80-100 parts of a solvent. The flame-retardant, waterproof and oil-proof finishing agent prepared by the invention has relatively high waterproof and oil-proof effects when being used on the surface of a fabric, and has relatively high flame retardant property, and in a flame retardant property test, the flame retardant grade of the finishing agent prepared by the invention is 94-V0. Besides, the waterproof flame-retardant processing finishing agent disclosed by the invention does not adopt fluorine-containing monomers such as PFOS and PFOA and the like, meets environmental protection requirements, has small harm to human bodies, and is an ideal flame-retardant, waterproof and oil-proof finishing agent.

The invention discloses a water-based fluorine-containing waterproof and oil-proof agent for paper and a preparation method of the water-based fluorine-containing waterproof and oil-proof agent. The fluorine-containing copolymer comprises the following raw materials in parts by weight: 50-80 parts of a fluorine-containing monomer, 10-20 parts of an organosilicon monomer, 1-10 parts of a methyl methacrylate monomer, 1-10 parts of a butyl methacrylate monomer, 1-10 parts of an octadecyl acrylate monomer, 1-10 parts of a diacetone acrylamide monomer, 5-25 parts of a functional monomer and 1-5 parts of other monomers; 1-5 parts of soy isoflavone glycoside, 1-3 parts of an initiator, 1-3 parts of a chain transfer agent and 1-10 parts of protonic acid, wherein the total amount of all monomers is 100 parts. Pure natural hydrophobic and oleophobic soybean isoflavone aglycone is introduced into the fluorine-containing copolymer, so that the surface free energy of the fluorine-containing copolymer on the surface of paper after the fluorine-containing copolymer is treated can be remarkably reduced, the waterproof and oil-proof performance of a traditional water-based fluorine-containing acrylate copolymer can be better improved, and meanwhile, the heat resistance and chemical stability of the fluorine-containing copolymer can be improved; and the paper has higher waterproof and oil-proof properties, tensile strength, tear resistance, breakage resistance and the like, so that the performance requirements of various types of paper can be met.

The invention provides a water-proof, oil-proof, antifouling and mite-proof textile and a preparation method and application thereof. The preparation method includes the steps that refined or desizedhigh-count and high-density gray fabric is subjected to after-finishing, and after-finishing sequentially includes a cleaning procedure, water-proof, oil-proof and antifouling finishing and calendaring treatment; in the cleaning procedure, a cleaning agent is adopted for treating the refined or desized high-count and high-density gray fabric; and according to water-proof, oil-proof and antifoulingfinishing, a three-proofing treatment solution is adopted for carrying out padding treatment, and then drying is adopted for carrying out shaping. The water-proof, oil-proof, antifouling and mite-proof textile prepared by the method is stable in quality, and the defects that in the prior art, a water-proof, oil-proof and antifouling auxiliary agent and a mite-proof auxiliary agent cannot meet thestandard at the same time, and washability cannot be achieved by the water-proof, oil-proof and antifouling functions are overcome; and when the product is used, water infiltration and oil contamination can be effectively avoided, mites can be prevented from crawling into the product, and a healthy, comfortable and easy-care home textile product is provided for consumers.