209 results about "Oligoester" patented technology

The invention relates to the technical field of paint spraying, and particularly discloses a mosaic gold aerosol paint and a preparation method thereof. The painted gold aerosol paint comprises the following raw materials in percentage by mass: 30-40% of acrylic resin, 20-30% of a solvent, 5-15% of painted gold powder, 0.5-1% of a dispersing agent, 30-40% of a propellant and 0.5-2% of other auxiliaries. The dispersing agent comprises a star-shaped PEG polymer, an alkyl diphosphonic acid compound and macrocyclic oligoester. The mosaic gold aerosol paint has the advantages of being capable of being stored for a long time and not prone to oxidation and layering, can present colorful metallic paint after being coated and has different metallic color effects at different angles, and the appearance aesthetic feeling of a coated object is remarkably improved.

Disclosed in the present invention are a branched-chain-containing long-carbon-chain polyester elastomer based on biomass-based 2,5-furandicarboxylic acid, and a preparation method therefor. Monomers for preparing the polyester elastomer comprise 2,5-furandicarboxylic acid or 2,5-furandicarboxylic acid ester, a dihydric alcohol and a branched-chain-containing long-carbon-chain dibasic acid. The preparation method comprises: (1) performing a melting reaction on furandicarboxylic acid or an ester thereof, a branched-chain-containing long-carbon-chain dibasic acid and a dihydric alcohol to prepare an oligomer; and (2) performing melt polycondensation on the oligomer to synthesize a furandicarboxylic acid-based branched-chain-containing long-carbon-chain polyester elastomer. By means of the branched-chain-containing long-carbon-chain polyester elastomer of the present invention, the molecular structure can be effectively designed, and the molecular weight can be regulated, thereby optimizing mechanical properties, thermal properties, barrier properties, etc. The preparation process thereof is simple, convenient and safe, and the equipment requirements and catalysis cost are relatively low. The raw material 2,5-furandicarboxylic acid used in the present invention is a potential substitute for terephthalic acid, is derived from biomass, has a wide range of sources and is environmentally friendly.

The invention discloses an organic silicon modified polyurethane-acrylate composite emulsion and a preparation method of the organic silicon modified polyurethane-acrylate composite emulsion, and relates to the technical field of polymer composite emulsions. Comprising the following raw materials: 70 to 120 parts of oligomer polyol with an average molecular weight of 500 to 2000, 5 to 15 parts of a composite organosilicon component, 40 to 80 parts of diisocyanate, 0.05 to 0.2 part of a catalyst, 2 to 5 parts of a hydrophilic chain extender, 3 to 6 parts of a self-crosslinking hydrophilic chain extender, 4 to 12 parts of a neutralizer, 2 to 8 parts of a water-based chain extender and 50 to 150 parts of an acrylate monomer. 1-5 parts of an acrylate functional monomer, 1-3 parts of a cross-linking agent, 2-8 parts of an emulsifier and 0.5-3 parts of an initiator; the organic silicon modified polyurethane-acrylate composite emulsion prepared by the invention has a composite core-shell structure taking organic silicon modified polyurethane as a core and an acrylate polymer as a shell, so that the emulsion can form a more compact and more stable three-dimensional cross-linked network during film formation, and the weather resistance, water resistance, mechanical strength and surface glossiness of a coating film are remarkably improved.

The invention belongs to the technical field of high polymer materials, and particularly relates to a self-repairing paint surface protection film based on asynchronous curing. The self-repairing paint surface protection film comprises a UV curing layer, a thermocuring layer and a base film, the thermocuring layer is positioned between the base film and the UV curing layer; the thermocuring layer is prepared from the following components: Zn-MOFs (Metal-Organic Frameworks) modified polycarbonate polyol resin and isocyanate; the UV curing layer is prepared from the following components: a fluorine-containing acrylate oligomer, KH-560 modified nano TiO2 and a photoinitiator; furthermore, the thermocuring layer further comprises a microencapsulation repairing agent. Correspondingly, the invention further provides a preparation method of the self-repairing paint surface protection film based on asynchronous curing. Self-repairing and weather resistance of the protective film are compatible, the problem that a single curing coating or a traditional synchronous curing coating cannot give consideration to self-repairing, weather resistance, water resistance, stain resistance and mechanical properties is solved, the highest elongation at break is larger than or equal to 320%, and the elongation at break is remarkably improved compared with the elongation at break of a single thermocuring system.

Provided is an ink composition for ultraviolet-curable inkjet printing comprising polymerization components, a resin component, and a photopolymerization initiator, wherein the polymerization components include (A) a polyfunctional amine-modified oligomer, (B) a nitrogen-containing monomer, (C) an aromatic ring-containing monomer, and (D) a polyfunctional monomer, wherein the resin component includes a hydroxyl group-containing resin, wherein (A) comprises an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, wherein (B) comprises vinyl caprolactam, wherein (C) comprises benzyl acrylate and phenoxyethyl acrylate, wherein (D) comprises at least one of propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, or 1,6-hexanediol diacrylate, wherein a content of (A) is 0.1 to 13.0% by mass, wherein a content of (C) is 35.0 to 75.0% by mass, wherein a content of (D) is 2.0 to 16.0% by mass, and wherein the hydroxyl group-containing resin includes a ketone resin having a hydroxyl group.

The invention discloses a high-adhesion UV LED coating composition and a preparation method thereof. The high-adhesion UV LED coating composition is prepared from the following raw materials in parts by weight: 50 to 70 parts of composite oligomer, 90 to 120 parts of composite reactive diluent, 1.5 to 2.5 parts of composite photoinitiator, 0.8 to 1.8 parts of composite adhesion promoter, 5 to 15 parts of inorganic filler, 0.6 to 1.5 parts of fluorine-modified acrylate flatting agent and 0.1 to 0.7 part of light stabilizer. The UV LED coating composition disclosed by the invention can be well combined with untreated low-polarity plastic, smooth metal surfaces and the like, has high adhesive force and is not easy to peel off after being subjected to external force.

The application discloses a glass fiber direct yarn impregnant and a preparation method thereof. The glass fiber direct yarn impregnant comprises effective components and water; the solid content of the impregnant is 5-12%, the effective components comprise a silane coupling agent, a film forming agent A, a film forming agent B and a lubricant, and the percentage of the solid mass of each effective component of the impregnant in the total mass of the solid of the impregnant is shown as follows: the silane coupling agent is 20-30%, the film forming agent A is 31-40%, the film forming agent B is 24-35%, the film forming agent A+the film forming agent B is 55-75%, and the lubricant is 5-15%; wherein the silane coupling agent is a bisamino silane oligomer, the film forming agent A is an isocyanate polymer, and the film forming agent B is an amide polymer. The glass fiber untwisted roving treated by the impregnant has stronger applicability of the glass fiber reinforced material for battery protection plates, the impact performance of the product is obviously improved, the bending performance is outstanding, and the market and application requirements are met.

The invention relates to a chemically modified high-strength high-temperature-resistant polyurethane fiber and a preparation method thereof.The preparation method comprises the following steps that 1, oligomer mixed polyol and diisocyanate are subjected to a full prepolymerization reaction, a solvent is added for full dissolution, and a-NCO-terminated prepolymer polyurethane formate solution is obtained; 2) adding hydroxyalkyl silane and a catalyst into the prepared prepolymer, and fully reacting to obtain a modified prepolymer; (3) carrying out chain extension reaction and chain termination reaction on the prepared modified prepolymer to obtain a polyurethane urea solution; (4) adding an antioxidant, an ultraviolet light absorber, an anti-yellowing agent, a delustering agent and a lubricating and releasing agent into the polyurethane urea solution to prepare a polyurethane spinning solution; and (5) preparing the high-strength high-temperature-resistant polyurethane from the prepared polyurethane spinning solution by virtue of a dry spinning system. According to the invention, a polyurethane molecular chain is subjected to functional chemical modification, so that the product has the characteristics of high temperature resistance and high strength.

The invention discloses a preparation method of a multi-cured UV (ultraviolet) hot melt adhesive. A mixture of the UV hot melt adhesive is prepared from the following components in parts by weight: 40 to 70 parts of polyurethane acrylate oligomer, 5 to 20 parts of thermoplastic resin, 0.1 to 0.5 part of polymerization inhibitor and antioxidant, 2 to 5 parts of mixed photoinitiator and 5 to 20 parts of diluting monomer, wherein the polyurethane acrylate oligomer is synthesized by the following steps: S1, adding polyester polyol and a polyurethane metal organic catalyst into a flask, heating and uniformly stirring; s2, isocyanate is added in the step S1, heating reaction is performed, and a reactant A is obtained; s3, hydroxyl acrylate is added into the reactant A in the step S2, heating reaction is carried out, and the product polyurethane acrylate oligomer is obtained. The multi-curing LED-UV ultraviolet curing hot melt adhesive prepared by the preparation method disclosed by the invention has the characteristic of being capable of meeting the requirement of rapid ultraviolet curing, and the cohesiveness of the hot melt adhesive can be improved, so that the hot melt adhesive is an environment-friendly and efficient hot melt adhesive.

This application discloses an epoxy resin composite material and its preparation method, relating to the field of polymer materials. The epoxy resin composite material preparation method comprises the following steps: mixing isophorone diisocyanate and oxaloyl dihydrazide to react to obtain a first intermediate; mixing the first intermediate with a polyetheramine to react to obtain an oligomer curing agent having primary amino end groups; and mixing the oligomer curing agent with an epoxy resin matrix and modified basalt fiber, and curing to obtain the epoxy resin composite material; wherein the modified basalt fiber has epoxy groups on its surface. The epoxy resin composite material prepared by this preparation method has high strength and toughness.

The invention discloses a process for preparing functional master batch from waste textile recycled polyester, which comprises the following steps: S1, crushing waste polyester fabric into small fabric materials, and aggregating to obtain foam materials; s2, carrying out pre-alcoholysis on the soaked material, and filtering for the first time to obtain a pre-alcoholysis product; s3, carrying out total alcoholysis on the pre-alcoholysis product, and filtering for the second time to obtain an alcoholysis product; s4, carrying out adsorption treatment on the alcoholysis product, and carrying out pre-polycondensation to obtain an oligomer melt; s5, filtering the oligomer melt for the third time, and performing final polycondensation to obtain a final polycondensation melt; and S6, the final polycondensation melt is filtered for the fourth time, functional powder is added, uniform mixing, pelletizing, packaging and discharging are conducted, the regenerated functional master batch with more comprehensive performance and more stable quality is finally obtained, and recycling of the waste polyester textiles is achieved.

Coated articles and self- or easy-cleaning paint and coating compositions including a carrier liquid, a binder resin and additives, wherein such additives include, but are not limited to, a polymer or oligomer with at least one zwitterionic moiety. The carrier liquid is water, an organic solvent, or a combination thereof. The binder resin may be a waterborne latex, an acrylic-amino, alkyd, polyurethane, epoxy or other compatible resin. The paint and coating compositions may also contain pigment.

The invention relates to a UV-LED blue paint for protecting a power battery shell, a preparation method and a coating applied by the UV-LED blue paint, and belongs to the technical field of paints. The UV-LED blue coating is prepared from the following components in parts by weight: 5 to 15 parts of a polybutadiene modified acrylate oligomer, 20 to 40 parts of a bisphenol A epoxy acrylate oligomer, 35 to 50 parts of a monofunctional reactive diluent, 5 to 15 parts of a bifunctional reactive diluent, 3 to 10 parts of a multifunctional reactive diluent, 4 to 7 parts of a photoinitiator, 0.6 to 2.2 parts of an auxiliary agent and 1 to 3 parts of blue color paste, the monofunctional reactive diluent is prepared from the following components in parts by weight: 30 to 40 parts of isobornyl-containing acrylate and 5 to 10 parts of lauric acid acrylate. A blue coating formed by the blue coating has good adhesive force, excellent electrolyte resistance and boiling resistance and low viscosity, so that the blue coating can be subjected to mass production through spraying, the curing speed is high, and the production efficiency is improved.

The invention belongs to the field of composite materials and lithium batteries, and particularly relates to a preparation method of an isotropic porous carbon material, a porous carbon reinforced nonmetal or metal composite material and a preparation method and application of the porous carbon reinforced nonmetal or metal composite material. The preparation method comprises the following steps: carrying out heat treatment on a liquid polyacrylonitrile oligomer in a protective atmosphere to obtain a porous carbon precursor material; performing a high-temperature graphitization enhancement technology on the porous carbon precursor material in a protective atmosphere to obtain a porous carbon material; and quantitative pore forming is carried out by controlling oxygen flow in an oxygen atmosphere, so that the isotropic porous carbon material with uniformly distributed pore structures is prepared. The prepared isotropic porous carbon material is used as a reinforcing phase and compounded with metal or nonmetal to prepare composite materials with different properties, so that various properties of the composite materials are improved, and the isotropic porous carbon material can be applied to light high-strength structural parts in the fields of aerospace and automobile industry and can also be used as a negative electrode material in the field of lithium batteries.

The present invention relates to a method suitable for recovering textile waste comprising a polyester yarn containing a dye, the method comprising: a first step in which the polyester yarn is treated with a solvent to extract a portion of the dye from the polyester yarn; a second step in which the solvent-treated polyester yarn is subjected to a process in which the polyester is depolymerized into an oligoester consisting on average of between 3 and 30 monomeric units wherein the remainder of the dye is removed from the oligoester by adsorption to particulate matter in a mixture with the oligoester; and a third step in which the oligoester is separated from the particulate matter comprising the adsorbed dye, thereby providing a decolorized oligoester suitable for repolymerization, consisting on average of between 3 and 30 monomeric units.

The invention relates to the technical field of polyester fiber processing, in particular to a quick-drying deodorizing antibacterial antistatic polyester fiber and a preparation method thereof. The invention discloses a modified PET (Polyethylene Terephthalate) composite material, which is prepared from the following raw materials in parts by weight: 100 parts of PET, 4 to 8 parts of functional master batch, 5 to 8 parts of epoxy functionalized styrene-acrylate oligomer, 10 to 20 parts of silane coupling agent modified montmorillonite, 5 to 8 parts of hydroxypropyl-beta-cyclodextrin loaded porous silicon dioxide microspheres, 1 to 2 parts of sulfoisophthalic acid metal salt and 2 to 4 parts of dispersing agent. The multifunctional master batch is prepared from the following raw materials in parts by weight: 65-75 parts of PET polyester chips, 8-12 parts of epoxy-terminated hyperbranched polyester, 3-5 parts of a sulfonate antistatic agent and 2-4 parts of an antibacterial agent, through the formula, balanced integration of moisture absorption, quick drying, lasting deodorization, efficient antibacterial and antistatic functions is realized, the function retention rate is improved after multiple times of washing, and the antibacterial property is improved. The defects of single function and poor durability of an after-treatment mode are overcome, and the development requirements of modern textiles on multi-functionalization and high quality are met.

A polyester resin composition exhibits high heat resistance, low gas content, and the ability to significantly suppress mold contamination during continuous molding and to inhibit flow marks. The polyester resin composition comprises: a polyester resin A containing 82-88% by mass of polybutylene terephthalate resin and 12-18% by mass of polyethylene terephthalate resin; an organometallic acid salt B, selected from one or both of alkali metal organometallic acid salts and alkaline earth metal organometallic acid salts; 1-13 parts by mass of an inorganic filler C with an average particle size of 0.05-3 μm relative to 100 parts by mass of the polyester resin A; and 0.000005-0.05 parts by mass of one or both of alkali metal atoms and alkaline earth metal atoms relative to 100 parts by mass of the polyester resin A; and the content of linear oligomers such as polybutylene terephthalate is less than 1000 mg / kg.

The invention discloses a method for preparing a PA6 / 56 bio-based copolyamide fiber through melt direct spinning, which comprises the following steps: mixing raw materials containing a caprolactam solution, a PA56 salt solution and a molecular weight regulator, preheating, carrying out prepolymerization reaction and polycondensation reaction to obtain a PA6 / 56 copolymer melt, and carrying out devolatilization to obtain a PA6 / 56 devolatilization melt; and carrying out melt spinning on the PA6 / 56 devolatilization melt to obtain the PA6 / 56 bio-based copolyamide fiber. According to the invention, bio-based 1, 5-pentamethylene diamine is adopted as a raw material of PA56, preheating and pre-polycondensation are firstly carried out after configuration, then polycondensation is carried out to further increase the number-average molecular weight of a nylon 6 prepolymer, and the obtained copolymer melt is in a molten state. Low polymers of the copolymer are removed through the devolatilization reactor, liquid phase extraction of PA6 / 56 is achieved, the extractable matter content of the obtained copolymer melt is smaller than or equal to 2 wt%, the technological process is simplified, and the production cycle, the equipment investment cost and the production energy consumption are greatly reduced.

Disclosed is a positive electrode for a full solid battery, a positive electrode composition, and a full solid battery including the positive electrode, the positive electrode for a full solid battery including a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer includes: a positive electrode active material; a sulfide-based solid electrolyte; a dispersion medium including a compound represented by Chemical Formula 1; a binder; an electrolyte salt; at least one of a monofunctional or higher functional (meth)acrylate having an alkylene glycol group, an oligomer thereof, and a crosslinked product thereof; and a conductive material.

The application discloses a hydrolysis-resistant antiskid polyurethane material and a preparation method and application thereof, and relates to the technical field of polyurethane materials. The hydrolysis-resistant antiskid polyurethane material disclosed by the application comprises the following components: A component, which is a polyester type acrylate polyol, an aromatic isocyanate and an organic tin catalyst; a B component, which is an epoxy group modified polyether polyol, triethylene tetramine, a nitrogen-containing catalyst, water, a foam stabilizer, TPE microparticles and modified wollastonite; and a C component, which is a hydroxyl-terminated polybutadiene; the modified wollastonite is prepared by modifying wollastonite with a polyacrylate oligomer. The hydrolysis-resistant antiskid polyurethane material provided by the application is prepared by using a semi-prepolymer method, the preparation process is easy to control, the processing performance is stable, the material has excellent mechanical strength, toughness and resilience, and the material has excellent hydrolysis resistance, high and low temperature resistance, wear resistance, antiskid property, aging resistance and other properties; the material can be used for a long time under harsh conditions such as humidity or low temperature, and the service life of the material when applied to a shoe sole material is improved.

The present application relates to the technical field of polyester fiber, in particular to an antibacterial and ultraviolet resistant polyester fiber and a melt spinning preparation method thereof. The fiber is prepared by melt spinning of antibacterial and ultraviolet resistant functional master batch and PET chip; the functional master batch is made of PET chip, interfacial directional compatibilized nano zinc oxide and hydroxyl-terminated low molecular weight PET oligomer. The interfacial directional compatibilized nano zinc oxide is combined by nano zinc oxide with silicon-containing surface compound and carboxyl-rich low molecular weight polyester affinity segment, and the carboxyl-rich low molecular weight polyester affinity segment is obtained by reaction of hydroxyl-terminated low molecular weight PET oligomer and 1,2,4-benzene tricarboxylic anhydride. The present application improves the dispersibility and interfacial stability of nano zinc oxide in PET melt by low-silicon surface regulation, polyester affinity segment anchoring and delayed addition of hydroxyl-terminated low molecular weight PET oligomer in the functional master batch stage, so that the fiber has antibacterial, ultraviolet resistant, spinnable and washable functions.

A process for the liquefaction of cellulose, said process comprising:providing a source of cellulose; wherein said source of cellulose comprising cellulose and hemicellulose, wherein said source of cellulose is non-flowable;adding said source of cellulose to a mixing vessel; wherein said mixing vessel comprises a mixing apparatus selected from the group consisting of: a horizontal single helicoid auger flight; a horizontal double helicoid auger flight; a vertical single helicoid auger flight; a vertical double helicoid auger flight; a horizontal single ribbon auger flight; a horizontal double ribbon auger flight; a vertical single ribbon auger flight; a vertical double ribbon auger flight; a horizontal single sectional auger flight: a horizontal double sectional auger flight; and a vertical single sectional auger flight; a vertical double sectional auger flight;adding a solution to said mixing vessel containing said source of cellulose to yield a reaction mixture wherein said source of cellulose is present in a concentration of solids ranging from 5% to 50% of the total mass of said reaction mixture;mixing said reaction mixture in said mixing vessel until said reaction mixture has undergone liquefaction to yield a resulting mixture comprising oligomers and monomers from the degradation of cellulose and hemicellulose and wherein said resulting mixture has a resulting viscosity of no more than 15 Pa·s; andoptionally, separating said resulting mixture into a liquid stream used for subsequent processing and a solid stream that is introduced back into the mixing vessel for further processing.

This invention discloses a high-toughness photosensitive resin composition and its preparation method. The high-toughness photosensitive resin composition comprises, by weight, 52-58 parts of epoxy resin oligomer; 22-28 parts of acrylate oligomer; 4-6 parts of polyurethane acrylate; 0.3-0.4 parts of DOQDS with surface-grafted acrylate groups; 1.5-2.5 parts of surface-modified nano-silica; 0.6-0.8 parts of fumed silica; 3.4-4.5 parts of core-shell toughened epoxy resin; 6.5-7.5 parts of photoinitiator; 6-9 parts of reactive diluent; and 0.1-0.2 parts of imidazole catalyst. In this application, the GOQDs in the photosensitive resin composition are embedded in the epoxy resin backbone through chemical bonding rather than physical mixing. After the photosensitive resin is cross-linked, the flexible core layer of the core-shell toughening resin can improve the network's extensibility through chain segment slippage. Under stress, it assists the network in buffering stress and promoting chain segment movement. The GOQDs are dispersed in the cross-linked network as "reinforcing points," enhancing the network's rigidity and inhibiting chain segment movement. The GOQDs can work synergistically with the core-shell toughening resin to achieve the technical effect of reinforcement and toughening.

The invention relates to an aqueous polymer dispersion and its preparation. The dispersion comprises a styrene acrylate polymer, which is obtainable by free-radical polymerisation of 1-90 weight-% of monomer (a), which comprises at least one optionally substituted styrene; 10-99 weight-% of monomer (b), which comprises at least one alkyl (meth)acrylate, and 0-9 weight-% of monomer (c), which comprises at least one ethylenically unsaturated monomer, which is different from monomer (b). The polymerisation is conducted in a polymerisation medium comprising a cationic prepolymer, which is obtainable by free radical polymerisation of at least 10-55 weight-% of a monomer (i), which comprises at least one ethylenically unsaturated quaternary and / or tertiary amine, 35-90 weight-% of a monomer (ii), which comprises at least one optionally substituted styrene, and 0-55 weight-% of a monomer (iii), which comprises at least one alkyl (meth)acrylate. The oligomer content in the polymer dispersion is ≤1.4 weight-%, calculated from the dry polymer content.

The application discloses a glass fiber reinforced flame-retardant polyamide composite material, which comprises the following components in parts by weight: polyamide resin 49-61 parts; glass fiber 19-51 parts; brominated polystyrene high polymer 2.9-8.1 parts; brominated polystyrene oligomer 6.9-18.1 parts; flame-retardant synergist 2.9-8.1 parts; the weight average molecular weight of the brominated polystyrene high polymer ranges from 180,000 to 250,000; the weight average molecular weight of the brominated polystyrene oligomer ranges from 4,000 to 8,000; the relative viscosity of the polyamide resin ranges from 2.0 to 2.7; the average retention length of the glass fiber ranges from 250 to 350 microns, and the average diameter ranges from 6 to 12 microns. The application can realize good melt flow stability and improve crystallinity by compounding the polyamide resin with specific viscosity and the brominated polystyrene with specific different molecular weights, so that the glass fiber reinforced composite material has good size stability after injection molding and has a flame-retardant effect of 1.6 mm.

The invention belongs to the technical field of self-lubricating composite materials, and particularly relates to photocuring 3D printing ink, a photocuring 3D printing polyimide self-lubricating material as well as a preparation method and application of the photocuring 3D printing polyimide self-lubricating material. The photocuring 3D printing ink provided by the invention comprises a photosensitive polyimide composition, a lubricant and a dispersant, the photosensitive polyimide composition comprises the following components in parts by mass: 40-60 parts of a photosensitive polyimide oligomer, 30-40 parts of an active diluent, 5-20 parts of an active cross-linking agent and 1-2 parts of a photoinitiator, the mass ratio of the lubricant to the photosensitive polyimide composition is (2-30): 100; the dispersing agent comprises talcum powder, nano silicon dioxide and a hyperbranched polyether dispersing agent DIUPER S28 or a dispersing agent T154, and the mass ratio of the dispersing agent to the photosensitive polyimide composition is (2-5): 100. The polyimide self-lubricating material formed by the photocuring 3D printing ink has good mechanical property and lubricating property.

Role of a cleaning textile for cleaning printing cylinders of a printing system, wherein the cleaning textile is impregnated with a cleaning agent composition, the cleaning agent composition comprising an organic solvent and a cellulose solubilizer, wherein the organic solvent is a propylene glycol oligomer, which is di(propylene glycol)propyl ether, and wherein the roller (12) is inserted into a removable sealing bag (15) which is designed to seal the roller (12) of cleaning textile (13) in order to prevent the cleaning agent composition from evaporating before use, wherein the sealing bag (15) is tubular and is made of a multilayer plastic film.

The invention relates to the technical field of pressure-sensitive adhesives, and particularly discloses a preparation method of an EB-cured siloxane-acrylate composite pressure-sensitive adhesive, which comprises the following steps: step 1, mixing raw materials: mixing the raw materials of the composite pressure-sensitive adhesive, the raw materials of the composite pressure-sensitive adhesive at least comprising siloxane monomers / oligomers and acrylate monomers / oligomers; step 2, heating to form liquid; step 3, coating the base material; 4, EB irradiation curing is conducted, specifically, electron beam EB irradiation treatment is conducted on the base material with the sizing material coating in the step 3, the dosage of electron beam irradiation ranges from 5 kGy to 50 kGy, the sizing material coating is rapidly crosslinked and cured, and a solid adhesive film is formed; and step 5, cooling and winding: a cooling and winding device is adopted to wind the solid adhesive film and cool the solid adhesive film at the same time, so that residual heat generated by EB irradiation is removed. Continuous and stable conveying and uniform cooling of the solid adhesive film can be achieved, and the problems of adhesive film softening and adhesion and base material thermal deformation caused by residual heat are effectively avoided.

The utility model relates to the technical field of condensers, and discloses a miniature scraper condenser device which comprises a condensing device and a scraper assembly, the condensing device comprises a machine body, an air inlet pipe, a liquid discharge pipe, an exhaust pipe and a spray pipe, the right side of the air inlet pipe is fixedly communicated with the left side of the machine body, and the liquid discharge pipe is communicated with the spray pipe. By arranging the condensing device, the machine body, the air inlet pipe, the liquid discharging pipe and other structural components, steam is condensed through the condensing device, the steam is driven to flow through the scraper assembly, the condensing efficiency of the steam is improved through the spraying assembly, the cleaning assembly is driven to move through the lifting assembly, and the cleaning efficiency is improved. The surface of the scraper blade is cleaned through the cleaning assembly, the effect of conveniently cleaning attachments condensed on the surface of the scraper blade is achieved, and the problems that the scraper blade is in contact with steam and low polymer substances attached to the steam, the scraper blade needs to be manually cleaned, manual cleaning consumes long time, and the working efficiency is reduced are solved.