66results about How to "Improve light protection" patented technology

The present invention relates to coating of lifting slings with a polyurea elastomer, polyurethane, or hybrid polyurethane-polyurea elastomer. In addition, optionally the coating material can include one or more additives such as a catalyst, stabilizer, pigment, fire retardant, or other additives. In the present invention use of additives can enhance the lifting slings effectiveness and improve the operational condition and or suitability for use of the lifting sling. The present invention also relates to the ability to form a multi-core sling from a plurality of single cores. More specifically, the single cores can be tenaciously bonded together with the coating material to form a multi-core lifting sling. The present invention also relates to embedding a safety core along the length of the lifting sling core. The safety core allows monitoring of certain operational parameters related to the lifting sling by way of an indicator and or electronic system.

The present invention relates to a lifting sling that is adapted to monitor cargo. The lifting sling can include core materials, and a control system. The control system can effectuate the ability to monitor certain lifting sling operational parameters. The control system can be an electronic system and or an indicator. The electronic system can effectuate data acquisition, data processing, and or data communication of a plurality of operational parameters related to the lifting sling and or cargo. By monitoring certain operational parameters, methods of determining the operational condition, suitably for use of the lifting sling, and or monitoring of the cargo, can be effectuated. Once the lifting sling is secured in combination with the cargo certain operational parameters vary in response to the lifting sling being in contact / proximity with the cargo (i.e. tension). Variations in operational parameters can be utilized to make certain determinations related to the cargo.

The invention belongs to the technical field of light-avoiding medical material, and especially relates to a medical-grade wide-waveband high-light avoiding performance polyvinyl chloride granula. The medical-grade wide-waveband high-light avoiding performance polyvinyl chloride granula comprises following main ingredients: polyvinyl chloride resin, bis(2-ethylhexyl)phthalate, epoxidized soybean oil, zine stearate, calcium stearate, stearic acid, oxidized polyethylene, 2-hydroxy-4-(octyloxy)benzophenone, stearoyl benzoyl methane, azo condensation pigment yellow, and diketo-pyrrolo-pyrrole. The medical-grade wide-waveband high-light avoiding performance polyvinyl chloride granula possesses a wide light-avoiding waveband which ranges from 220 to 520nm and is wider than a waveband required by national standards ranging from 290 to 450nm; and possesses high light-avoiding performance; light transmittance ranges from 0 to 3.9% in the waveband ranging from 220 to 520nm; light-avoiding performance of the original waveband is increased from no more than 15%, which is required by existing national standards, to 0.2%; entire light transmittance of the new waveband is improved to be 4% or less; and light-avoiding performance is improved. The medical-grade wide-waveband high-light avoiding performance polyvinyl chloride granula possesses high light-avoiding performance in the wide waveband, is capable of increasing performance of light-avoiding parts effectively, and increasing photosensitiveness medicine administration safety of medical infusion equipment.

The invention discloses a method for producing an aluminum foil eight-edge-sealed compound vacuum bag and relates to the technical field of packaging bag preparation. The method for producing the aluminum foil eight-edge-sealed compound vacuum bag disclosed by the invention comprises the following steps: preparing an aluminum foil coil, preparing a PET polyester film reel, preparing a PE protective film, shunt winding, thermally covering a PET film, online printing, rewinding, washing aluminum and hollowing, compounding a PE protective film, drying and curing, performing compound qualificationdetection, slitting rewinding, and producing the bag. According to the method disclosed by the invention, by respectively preparing the aluminum foil coil, the PET polyester film reel and the PET protective film, the operation of thermally covering the PET film is performed on the aluminum foil coil by utilizing a hot pressing roller, and the thermally covered PET film is subjected to printing, aluminum washing and hollowing out. By preparing the water-soluble laminated adhesive, the PE protective film is compounded on the aluminum foil coil, and slitting rewinding and bag production can be performed, so that the protectiveness, protective property and shading property of the eight-edge-sealed packaging bag are improved, and the contents are not easy to be affected with damp.

A test strip module, comprising: a test strip storage bin, a test strip detection bin, a test strip recovery bin, a test strip supply device is arranged in the test strip storage bin, and a test strip recovery device is set in the test strip recovery bin; The test strip roll is arranged on the test strip supply device and is passed from the test strip storage bin through the test strip detection bin to be connected to the test strip recovery device arranged in the test strip recovery bin; the test strip detection bin is provided with a sample supply port, a waste Liquid collection port and sample detection window, wherein the sample supply port is used to provide the sample to the opposite test strip, the waste liquid collection port is used to recover excess waste samples, and the sample detection window is used for testing The sample testing instrument is used to test the test strip after carrying the sample.

The invention belongs to the technical filed of electronic information, in particular to a bonding agent capable of changing the light shading performance of various copper cladding laminated boards. The bonding agent is prepared from epoxy resin, dicyandiamide, 2-methylimidazole, dimethylformamide and additives in proper percentage by weight, wherein the additives are made by proportionally mixing nigrosine and silicon micro powder, and the bonding agent can change the light shading performance of the copper cladding laminated boards on the premise of not changing the major performance parameter of the copper cladding laminated boards. When being used, the copper cladding laminated boards after being improved by the invention has good mechanical property, and can be applied to LED products and high-end printed circuit boards with higher light shading requirements.

The present invention discloses a clinical laboratory blood collection portable box. The clinical laboratory blood collection portable box comprises a box body, a motor, a rotating shaft, a placing frame, placing holes, a metal sensor, iron pieces, a semiconductor refrigerator, a temperature controller, a first box cover, a second box cover and a sealing cover. By using the clinical laboratory blood collection portable box, the clinical laboratory blood collection portable box can conduct classified placing treatments of medical devices for blood collection of light-shielded blood collection test tubes, sterile cotton, alcohol bottles, etc. In addition, the device can conduct a refrigerating treatment of the light-shielded blood collection test tubes, also improves light-shielded effects of the light-shielded blood collection test tubes and ensures accuracy of blood detection in the light-shielded blood collection test tubes.

The invention relates to a high-light-shading high-barrier liquid package film and a production method thereof. The package film comprises a milky white mat PE co-extrusion film layer, an EAA extrusion composite film layer, an aluminium layer and an EVOH co-extrusion film layer in sequence from outside to inside. According to the high-light-shading high-barrier liquid package film and the production method thereof, the liquid package film with excellent performance is obtained by selecting the formulae of various film layers and controlling the layer thickness. The package film provided by theinvention is low in production cost, low in equipment investment and simple in process, and has a very good light shading effect; the barrier property of the high-light-shading high-barrier liquid package film is better than that of a PrePak and is close to that of a tetra pack, and the barrier property of the high-light-shading high-barrier liquid package film is better than that of the tetra pack after being kneaded. Waste materials of a package film material are convenient to recycle; the packaging film is packaged and formed without limitation, can be formed by hot cutting and can also beformed thermally; the appearance of the package film material has a milky white mat effect and has high sensory quality.

The invention provides fluorescent paint. The fluorescent paint comprises long-afterglow fluorescent powder, binding agents, curing agents, anti-precipitation agents, wear-resisting agents and anti-ultraviolet gloss oil. The invention further provides a preparation method and application of the fluorescent paint. The fluorescent paint has good water, heat, light and abrasion resistance performance, coatings are not easy to crack and peel off even if the fluorescent paint is used in severe environments for long time, service life is long, and the fluorescent paint is simple in production process, stable in performance, convenient and practical.

The invention relates to the field of full-automatic chemiluminescence, especially to a POCT full-automatic chemiluminiscence device based on active magnetic separation technology. The POCT full-automatic chemiluminiscence device comprises a mounting frame, a sample adding arm, a constant-temperature control bin, a TIP head unloading frame and a magnetic separation component are mounted on the mounting frame, the constant-temperature control bin comprises a first reaction bin and a second reaction bin, the magnetic separation component comprises a first magnetic separation component and a second magnetic separation component, the first magnetic separation component is correspondingly arranged above the first reaction bin, and the second magnetic separation component is correspondingly arranged above the second reaction bin. The first reaction bin and the second reaction bin which are independent of each other are adopted, the first reaction bin and the second reaction bin can operate independently, dual-channel detection is achieved, the detection efficiency can be improved, and emergency treatment requirements are met. According to the active magnetic separation technology of themagnetic separation component, magnetic beads are directly attracted to the bottom of a magnetic separation sleeve through cooperation of the disposable magnetic separation sleeve and a magnetic bar,the active magnetic separation effect is achieved, the cleaning efficiency is improved, and the background of the system is reduced.

The invention relates to a light-resistant blood collection tube which comprises a test tube, a rubber plug and a light-resistant sleeve. The rubber plug is hermetically mounted on an orifice of the test tube, the light-resistant sleeve is sleeved on the outside of the test tube, an annular connecting disc and a fixing boss are arranged on the test tube, two arc-shaped beveled grooves are symmetrically formed in the bottom surface of the annular connecting disc, a fixing groove which is matched with the fixing boss is peripherally formed in the inner side of the light-resistant sleeve, two protruded limiting push blocks are arranged on the wall of an orifice of the light-resistant sleeve, and when the light-resistant sleeve rotates, the limiting push blocks on the light-resistant sleeve move along the arc-shaped beveled grooves, so that the light-resistant sleeve can be fixedly assembled with the test tube or can be separated from the test tube. The light-resistant blood collection tube has the advantages that the light-resistant blood collection tube is good in light-resistant performance, and distortion of measured data after sample serum is irradiated by light during clinical test is prevented; a liquid absorption and transmission preventive effect is realized, so that deficiency of reagents within the period of validity is prevented, and the light-resistant blood collection tube is completely applicable to existing automatic detecting instruments; the light-resistant blood collection tube is simple and reasonable in structure, and brings convenience for blood collection operation.

The invention relates to a milk machine aseptic packaging bag. The packaging bag is composed of an outer layer composite film and an inner layer PE film, wherein the outer layer composite film and theinner layer PE film are superposed, then the periphery of the outer layer composite film and the inner layer PE film are heat-sealed, and an air interlayer is formed between the outer layer compositefilm and the inner layer PE film. The formula of a first PE film, a second PE film and the inner layer PE film is optimally designed, the glue with good toughness is selected and used, after the produced outer composite film and the inner layer PE film are used for bagging, the heat sealing strength can reach 50N / 15mm, after the bag is used for packaging 10 liters of liquid milk, the bag can resist positive pressure of 65kg and cannot break after dropping from a 1meter high place, and the defective rate is reduced from 0.1% to 0.05%.

The invention relates to the field of display equipment, in particular to a light emitting structure with stereoscopic display effect. The light emitting structure comprises a base material piece, a transparent layer is mounted on the base material piece, and a diffusion sheet, a light guide sheet and a reflector sheet are mounted under the base material layer in sequence; the transparent layer is a lens; the base material piece is a transparent film; the light guide sheet is provided with a plurality of light guide points; the base material layer comprises a transparent base layer, the base layer is formed with a mark layer through vacuum splattering and printing, the mark layer is composed of at least one stereoscopic mark, and the stereoscopic mark is uneven and has height difference. The light emitting structure has good stereoscopic effect, is capable of better embodying the appearance decoration effect and is beautiful, the pattern is clear, the variability is strong, and the light resistance and moisture resistance are good; the manufacturing process is simpler, and the rejection rate is lowered; there is only one mark layer, the bubbling phenomenon is avoided, and the overall appearance effect is good.

The invention relates to a sealing device. The sealing device includes a body provided with a space which can be divided; the space which can be divided is divided into a first divided space and a second divided space through the body; the outer side of the body is covered with light shielding materials and / or the light shielding materials are clipped to the body; the sealing device is provided with a shield machine at the gap between the light shielding materials, wherein the shield machine at least shields one side of the gap and exceeds the gap length; at least one layer of separation material is arranged between the light shielding materials and a pre-shielding easily photo-decomposed material, the problem that the pre-shielding easily photo-decomposed material is easily reacted with other materials in contact with the pre-shielding easily photo-decomposed material and the physical and chemical properties of the easily photo-decomposed material are easily changed is solved, and the stability of the easily photo-decomposed material is ensured. The shield machine is arranged at the gap between the light shielding materials, the problem that light enters from the gap and photodecomposition of the easily photo-decomposed material is caused is solved, and the light shielding performance is kept well. The device is applied to the field of medical packing materials.

In the case of a chip (1) having an integrated circuit (2), a dielectric mirror coating (3) having at least two dielectric layers (6, 7,..... H, L, H) is applied as light protection means for the at least one integrated circuit (2) on at least one portion of the surface of the chip (1).

The invention discloses a freeze-dried cubilose making method, and relates to the technical field of cubilose freeze-drying, the method comprises the following steps: S1, soaking treatment: preparing a container, removing cubilose feet and a bottom support from the collected cubilose cup, placing the cubilose in the clean container, taking purified water to wash the cubilose from top to bottom under the flushing water pressure of 0.4 MPa until the cubilose is completely covered by the purified water, and soaking the cubilose; and S2, cleaning treatment: lightly removing swallow feather and impurities by using tweezers, putting the cubilose into a container, adding purified water at the temperature of 24-40 DEG C, stirring the cubilose to enable fine fluff in the cubilose to float on the water surface, and then cutting the container to be inclined by 45 degrees. According to the invention, desorption drying and freeze drying are added for cooperative use, so that the drying treatment in two stages is realized, the water content of the freeze-dried cubilose is reduced to the greatest extent, the water content of the freeze-dried cubilose is prevented from exceeding the standard, the shelf life of the freeze-dried cubilose is prolonged, and the freeze-dried cubilose is convenient to package and store.

The invention discloses a three-wavelength diffuse reflection optical chlorophyll detection device, which comprises a detection unit inserted in a nest and a sealing cover; the detection unit comprises a cylinder with three-stage stepped holes opened from top to bottom, and the upper end It is a conical frustum structure; on the outer peripheral surface of the cylinder located below the conical frustum, there are six oblique holes inclined upward by 52° symmetrically to the axis of the cylinder, and each oblique hole communicates with the first-order stepped hole; the six oblique holes are opposite to each other. The two slanted holes form a group; one of the slanted holes in each group is provided with a convex lens and an LED light source in sequence from top to bottom, and the other slanted hole is provided with a light-absorbing material; The lens is positioned through the ring sleeve; a light detector is arranged in the third step hole. The invention has the advantage that compared with the existing diffuse reflection detection device, the influence of specular reflection is eliminated from the design of the optical path, and the stability of the light intensity and the overall light protection are greatly improved.

The utility model relates to the technical field of COB light sources, and particularly discloses a constant-voltage normally-installed single-color COB which comprises a COB substrate, a light source installation groove and a plurality of constant-voltage IC chip installation grooves communicated with the light source installation groove are formed in the COB substrate, a plurality of light-emitting lamp wick sets are arranged on the light source installation groove, and the light-emitting lamp wick sets are arranged on the COB substrate. A constant-voltage IC chip is arranged on the constant-voltage IC chip mounting groove, a light-proof silica gel layer is coated above the constant-voltage IC chip mounting groove, a plurality of power supply bonding pads are arranged at the diagonal positions of the COB substrate, and the constant-voltage IC chip is electrically connected with the light-emitting lamp wick and the power supply bonding pads respectively. According to the utility model, the constant-voltage IC chip is installed by arranging the constant-voltage IC chip installation groove, and the light-shielding silica gel layer is coated above the constant-voltage IC chip installation groove, so that a plurality of grooves are not required to be formed, a lamp wick and a constant-voltage device can be reasonably arranged, the space of the COB substrate is fully utilized, the production efficiency is improved, and the light-shielding effect of the constant-voltage IC chip can be improved; the light shielding effect is good, and the light emitting efficiency is high.

The invention provides a multifunctional laundry detergent composition with color fixation and bacteriostasis effects, and a preparation method and application thereof. The multifunctional laundry detergent composition comprises the following components in parts by weight: 0.1-10 parts of an anionic waterborne polyurethane dispersoid, 0.2 to 2 parts by weight of pyridinone ethanolamine salt, 0-20parts by weight of an anionic surfactant and 0-20 parts by weight of a nonionic surfactant, with the balance being water, wherein the parts by weight of all the components in the multifunctional laundry detergent composition sum to 100 parts. The anionic waterborne polyurethane dispersoid and the pyridone ethanolamine salt are compounded, and experimental results show that the anionic waterborne polyurethane dispersoid and the pyridone ethanolamine salt have a synergistic effect after being compounded, so the effects of color protection, color crossing prevention, static resistance, illumination color fading resistance, bacteria resistance and the like of the multifunctional laundry detergent composition are remarkably improved.

The invention discloses a preparation method of a light-proof degradable infusion bag. The prepared light-proof degradable infusion bag structurally comprises a polypropylene plastic layer and light-shielding film layers arranged on the inner and outer surfaces of the polypropylene plastic layer through thermocompression bonding. Each medical light-shielding film layer comprises, by weight, 10-12parts of plant fibers, 35-50 parts of carbon nanotubes, 6-10 parts of nano zinc oxide powder, 15-20 parts of silicone oil, 25-30 parts of polyethylene glycol and 9-15 parts of diethyl phthalate. The light-proof degradable infusion bag has the following advantages that adopted plant cellulose is a biomass material, and convenience is provided for recovering and degrading the infusion bag in a laterperiod; the carbon nanotubes belong to inorganic carbon materials, have stable physical and chemical properties and are suitable for being used as light-shielding materials; the prepared light-proofdegradable infusion bag has excellent mechanical performance and printing performance at the same time and can be used as a medical infusion bag.

The invention relates to an easy-opened environmental-protection oral liquid packaging bottle which comprises a bottle body and a bottle cover, wherein the bottle body comprises a bottle body and a bottle opening, the bottle cover is installed on the bottle opening in a sealing way through an inner barrel, anti-theft clamping platforms which are buckled with each other are respectively arranged at the inner surface of the bottle cover and the outer surface of the bottle opening of the bottle body in a corresponding way, the bottle is made of plastic materials, a horn-shaped opening is arranged at the bottom of the bottle cover, the diameter of the lower opening of the horn-shaped opening is slightly larger than the bottle body, two sides of the bottle cover are symmetrically provided with vertical thin-wall guide opening grooves, raised positioning pins are arranged at the inner wall of the horn-shaped opening of the bottle cover, and vertical positioning grooves are arranged at the shoulder of the bottle body. The oral liquid packaging bottle is scientific and reasonable in structural design, adopts an innovative easy-opened design, is convenient to open for use, has an anti-theft function, is a disposable oral liquid bottle, has the outstanding advantages of strong environmental protection, and good safety and sanitation performance, and also has the advantages that the cost is low, the machining and the manufacturing are easy, the package and the conveyance are convenient, and the like.

The invention discloses a lachnum melanin hair dye and a preparation method thereof. The preparation method is characterized in that: an agent A is prepared by dissolving para phenylene diamine, lachnum melanin, sodium sulfite, sodium bicarbonate, ascorbic acid, palmitic acid and ethylene diamine tetraacetic acid disodium in water and ammonia water to form an aqueous phase; adding into an oleic phase which is formed by heating to melt sodium carboxymethyl cellulose, nonylphenol polyoxyethylene ether and isopropanol or ethanol under stirring; and regulating the pH to be between 9.0 and 9.5 with the ammonia water; an agent B is prepared by adding the sodium carboxymethyl cellulose into water, aqueous solution of hydrogen peroxide and phenacetin, and regulating the pH to be between 3.4 and 4.0 by using phosphoric acid; and uniformly mixing the agent A with the agent B in the volume ratio of 1:(1-2) for use. By a hair-care dye with high safety, high efficiency and low toxicity provided by the invention, the content of the para phenylene diamine in the hair dye is reduced, the antioxidation, the antiradiation, the light protectiveness and the safety of the lachnum melanin are exerted, and natural and lustrous dying effects can be kept.

The invention discloses a full-degradable salt large packing material with high quality printing effect. The salt large packing material comprises woven cloth and is characterized in that the woven cloth is taken as the basal body and provided with a polymer film, and the surface of the polymer film and synthetic paper are rolled in a heat sealing manner; the woven cloth comprises non-toxic polypropylene and calcium carbonate degradation master batch, and the weight ratio of the non-toxic polypropylene and the calcium carbonate degradation master batch is (70-85): (15-30); the polymer film comprises non-toxic polyethylene and calcium carbonate degradation master batch, and the weight ratio of the non-toxic polyethylene and the calcium carbonate degradation master batch is 70-85:15-30. Thesalt large packing material has the characteristics of strong tensile property, sealing property, photophobism, easy printing and high refinement; the rejected material of the packing material can bequickly and fully degraded in the natural environment; the requirements of environmental protection can be met; and the characteristics of the packing material particularly meets the requirements of large packing for the salt above 20 kilograms, can be loaded, is waterproof and can prevent the iodine ions in the salt from volatilizing, has artistic appearance and good durability, and is suitable for repeated handling and super-high stacking.

The invention relates to the technical field of food packaging, in particular to an environment-friendly light-proof double-layer waterproof packaging bag and a preparation method thereof. The packaging bag comprises a surface layer, a middle layer and an inner layer, wherein the surface layer is an imitation kraft paper plastic layer, the middle layer is a plastic woven fabric layer, and the inner layer is a pure plastic film layer. According to the environment-friendly light-proof double-layer waterproof packaging bag and the preparation method thereof, novel light-proof multi-layer waterproof packaging bags prepared through the preparation method adopt a pure plastic raw material for production, and have excellent light-proof performance, strength performance, weather resistance, cleanliness and waterproof performance, so that the packaging bags are more environment-friendly and easy to recycle due to the fact that paper is not used.

The invention discloses an incident light source lens cone device for a multi-wavelength time-resolved fluorescence measurement device, and belongs to the field of application of medical optics in the IVD (in vitro diagnostic) medical equipment technology. The incident light source lens cone device consists of a xenon lamp light source component, a xenon lamp gland and an incident light path component. The incident light path component is the main body of the light source lens cone device. The Xenon lamp light source component and the light path component are installed together through the xenon lamp gland to form the incident light source lens cone device for a multi-wavelength time-resolved fluorescence measurement device. The incident light source lens cone device has the advantages that compared with a common optical lens cone, an integrated lens jacket structure is adopted, and compared with a split type lens jacket, the light shielding performance of a light path can be better guaranteed, the structure is more compact, the distance between a light source and an optical element is adjustable, and stable incident light is provided for the multi-wavelength time-resolved fluorescence measurement device.

The invention relates to the technical field of breeding of bees, and discloses a bee breeding cave. The cave includes a cave body; the front end of the cave body is provided with a cave opening, a partition wall for sealing the cave opening is arranged at the cave opening, and an entrance is arranged in the partition wall; a hung ceiling is arranged on the top of the cave body, and an isolation layer is arranged between the hung ceiling and the top wall of the cave body; an air discharging pipe is arranged in the isolation layer, one end of the air discharging pipe is located in the isolationlayer, and the other end passes out to the outer side of the cave body; a breeding chamber is arranged between the hung ceiling and the bottom wall of the cave body, and the hung ceiling is providedwith air discharging openings communicating with the breeding chamber and the isolation layer; a water ditch is dug in the ground located under the bottom of the cave body, and the water ditch is connected with a water inlet pipe; and the bottom of the cave body is provided with an opening, the interior of a plurality of baffles are rotatably connected in the opening and arranged side by side along the direction of the water ditch, the upper ends of the baffles are located in the cave body, and the lower ends are located in the water ditch. The bee breeding cave of the technical scheme provided by the invention can solve the environmental protection problem caused by cooling of air conditioners and the problem of dried air in a current bee breeding room.

The present invention provides a dispersion of microparticulate titanium oxide that can generate a natural finish feeling, which includes a feeling of transparency, and has good long-term stability and an excellent UV protective effect in both UVA and UVB regions. The present invention is a dispersion of microparticulate titanium oxide characterized in that the microparticulate titanium oxide with the average major axis of 30 to 100 nm and the average minor axis of 8 to 50 nm is dispersed, by maintaining the average size of dispersed particles to be 80 to 110 nm, in a hydrophobic dispersion medium. In the dispersion of microparticulate titanium oxide, the content of silicone oil relative to the total hydrophobic dispersion medium is preferably 10 to 100 weight %. Furthermore, it is preferable that the dispersion of microparticulate titanium oxide contains a biterminally-siliconized polyglycerin as a dispersant. The dispersion of microparticulate titanium oxide can be preferably contained in a cosmetic.

The invention discloses a light-screening transparent PVC material and a preparation method thereof. The light-screening transparent PVC material comprises the following raw materials in parts by weight: 100 parts of PVC resin, 40-80 parts of a plasticizer, 0.4-2.0 parts of a calcium / zinc heat stabilizer, 2-12 parts of an auxiliary heat stabilizer, 0.5-1.0 part of a lubricant and 0.01-0.05 part ofa light-screening agent, wherein the plasticizer is a trimellitate plasticizer, and the light-screening agent is composed of 75-90% of nano zinc oxide and 10-25% of nano carbon black. The light-screening transparent PVC material disclosed by the invention can effectively block and shield light which is easy to cause drug degeneration and has a wavelength range of 250-550 nm, can effectively transmit visible light, is simple in preparation process, can be suitable for preparing a wide-wave light-screening infusion apparatus, and solves the problems of narrow light-screening wavelength range, low visible light transmittance and potential safety hazards of an existing PVC light-screening infusion apparatus material.