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37 results about "Photo aging" patented technology

Photo aging is defined as the changes in skin appearance that are caused by chronic exposure to UV light (2014). Changes include: wrinkles, dryness, loss of elasticity, and various spots and discolorations. Skin simply looks older.

High-corrosion-resistance powder coating and preparation method thereof

The invention discloses a high-corrosion-resistance powder coating and a preparation method thereof, and belongs to the technical field of powder coatings. Through modification of the resin system, the ultraviolet absorbent modified epoxy resin and the weather-resistant polyester resin are compounded, so that the ultraviolet resistance and the weather resistance of the resin system are remarkably improved, and the corrosion resistance reduction caused by light aging is avoided; the flake graphene forms an excellent physical barrier to block corrosion medium permeation, then chemical passivation of zinc phosphate is combined to inhibit electrochemical corrosion, the synergistic effect is achieved, the corrosion resistance is synergistically enhanced from the physical and chemical angles, the path of the corrosion medium is further prolonged in combination with the laminated structure of the glass flakes, and the corrosion resistance is improved. And meanwhile, the filler A and the filler B can also play a role in enhancing the mechanical strength of the coating, so that the powder coating with high corrosion resistance can be obtained on the whole.
Owner:WESDON RIVER POWDER PAINT SCI RES CO LTD

Method for testing light aging resistance of color changing film

The invention discloses a method for testing the light aging resistance of a color changing film, and relates to the technical field of color changing films. The method comprises the following steps: matching a plurality of performance influence factor tolerance spaces based on a key parameter set; performing test risk analysis on the plurality of performance influence factor tolerance intervals, and determining a plurality of test risk factors; calling a historical test data set of the target color change film, and determining a historical test database; on the basis of the historical test database, the application distortion probability of the performance influence factors is calculated in combination with the multiple test risk factors, and multiple application distortion probabilities are obtained; performing performance test scheme balanced identification on the plurality of performance influence factor tolerance spaces, and determining a target performance test scheme; and carrying out light aging resistance test on the target color changing film based on the target performance test scheme. The technical problem that in the prior art, the reliability of the light aging resistance test of the color changing film is poor is solved, and the technical effect of improving the reliability of the light aging resistance test of the color changing film is achieved by optimizing the performance test scheme.
Owner:江苏易米新材料科技有限公司

MS glue, MS glue additive and preparation method thereof

ActiveCN117247346BPhoto agingOrganic solvent
The application discloses MS glue, an MS glue additive and a preparation method of the MS glue additive, and the preparation method of the MS glue additive comprises the following steps: dissolving pentamethyl piperidyl alcohol in an organic solvent, heating, and stirring; adding octadecadiene acid dimer, and stirring; adding diisopropyl bis(dioctyl pyrophosphoric acyloxy) titanate, and stirring; heating, and extracting the solvent under reduced pressure to obtain a product. In the technical scheme, the MS glue additive can effectively capture free radicals in a polymer degradation chain reaction, thereby inhibiting a photo-oxidation process, and achieving a light stabilization purpose. Through evaluation, the additive can greatly reduce performance attenuation and yellowing of the MS glue under light aging.
Owner:ZHEJIANG RUNHE CHEM NEW MATERIALS CO LTD

Composition and application thereof

The invention discloses a composition and application thereof, and relates to the technical field of biological medicines and cosmetics. The invention specifically discloses an application of a composition comprising phenylethyl resorcinol and benzylidene dimethoxy dimethyl indanone in the aspects of oxidation resistance, light aging resistance and wrinkle resistance. The expression level of the HO-1 gene can be synergistically improved, and an excellent endogenous anti-oxidation effect is achieved; moreover, the polypeptide also has excellent tightening and anti-wrinkle effects, can synergistically improve the expression level of the COL-1 gene, inhibit the expression level of the MMP-1 gene and improve the expression level of the ELN gene especially in the aspect of UVA light aging resistance, and has the potential of being applied to cosmetics, kits and the like.
Owner:GUANGZHOU HUANYA COSMETIC SCI & TECH CO LTD

A metal effect paint with bloom prevention and a preparation method and application thereof

The present application relates to a kind of anti-metallic effect paint and its preparation method and application, the raw material of the metallic effect paint includes the following mass parts of components: polyester resin 15~30 parts, amino resin 5~15 parts, directional arrangement aid 3~8 parts, cellulose acetate butyrate 15~30 parts, metal pigment 5~10 parts, anti-sedimentation agent 1~3 parts, leveling agent 0.1~1 part, light aging aid 0.2~2 parts and solvent 20~40 parts;The directional arrangement aid uses microgel.Compared with prior art, the present application has excellent storage stability, prevents metal pigment from blooming, and has good paint film brightness and weather resistance.
Owner:DONGLAI COATING TECH SHANGHAI

Light aging test box protection device

The utility model discloses a protection device for a light aging test box, which belongs to the technical field of light aging test boxes and comprises a box body, an aging chamber is arranged on the box body, a cooling chamber is arranged in the box body, an exhaust mechanism is arranged on one side of the box body, and an air inlet box is fixedly sleeved on the other side of the box body. One side of the air inlet box extends to the inner cavity of the aging chamber and is provided with a plurality of air inlet holes, the other side of the air inlet box is fixedly sleeved with a first electric control valve, and a supporting frame is arranged in the inner cavity of the aging chamber. According to the utility model, when a to-be-aged product is placed on the support frame in the inner cavity of the aging chamber for light aging, the aged product can be watched through the perspective glass window on the box door so as to control the light aging condition, and the perspective glass window is protected through the protective rod and the protective frame, so that the aging effect is improved. And the perspective glass window is prevented from being damaged by collision.
Owner:BEIJING ZHONGKE BODA INSTR TECH CO LTD

Aging-resistant insulating polycarbonate composition and use thereof

The application discloses an anti-aging and insulating polycarbonate composition and application thereof, and belongs to the field of high polymer materials. The polycarbonate composition is prepared by matching specific types of voltage stabilizers and dispersants, can effectively improve the CTI electrical property of the product, makes the CTI 400V greater than or equal to 50 drops, has excellent flame-retardant property, and has sufficient light aging resistance, and is very suitable for the preparation of photovoltaic inserts.
Owner:KINGFA SCI & TECH CO LTD

Terminalia chebula nano-vesicle, preparation method and application thereof in anti-skin aging products

The invention belongs to the technical field of bioengineering, and particularly relates to myrobalan fruit nano-vesicles, a preparation method and application of the myrobalan fruit nano-vesicles in skin aging resisting products. The preparation method comprises the following steps: firstly, carrying out enzymolysis on a myrobalan fruit raw material by adopting a compound enzyme preparation containing feruloyl esterase, and adding sodium alginate and a calcium chloride solution into enzymatic hydrolysate after enzymolysis to carry out precipitation treatment on nano-vesicles; and finally, treating the precipitate by adopting a sodium carbonate or sodium bicarbonate solution, fully stirring, centrifuging, and collecting the supernatant, thereby obtaining the purified product of the myrobalan fruit nano-vesicle. The preparation method of the myrobalan fruit nano-vesicle is efficient and low in cost, the content of miRNA in the obtained nano-vesicle is high, animal experiments show that the nano-vesicle can reduce the content of IL-6 inflammatory factors in experimental animal skin tissue and reduce collagen loss caused by ultraviolet rays, and the nano-vesicle has remarkable anti-aging and light aging relieving effects and can be used for preparing the nano-vesicle. The method can be applied to functional skin care products.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES) +2

Solar simulator for light aging test

The invention discloses a solar simulator for a light aging test, and belongs to the technical field of illumination testing, the solar simulator comprises a test board and a universal adjusting support used for adjusting the illumination angle of a daylight illumination system, the top end of the test board is provided with a test photovoltaic panel through a support, and the two sides of the test photovoltaic panel are both provided with amplification assemblies; an air temperature simulation box is arranged on the outer side of the test photovoltaic panel, the air temperature simulation box is rotationally connected with a simulation cover through an electric hinge, a weather simulation mechanism is arranged on the end face of the simulation cover, and optical measurement assemblies are arranged on the two sides of the weather simulation mechanism. Through the arrangement of the electromagnetic base and the switching assembly, the illumination system, the temperature system and the weather system can be synchronously regulated and controlled through single current input of the daylight illumination system, complex electronic control is replaced by mechanical linkage, the fault rate is reduced, the single change of current input can meet the dynamic change of each working condition in the long-time light aging test process, and the test efficiency is improved. And the dynamic working condition switching is ensured without manual intervention.
Owner:SHENZHEN SUNNY XIAO TECH CO LTD

Polymerization inhibitor for printing ink, printing ink and application of polymerization inhibitor

PendingCN121801367AImprove reflow effectInksOptical elementsAnthraquinonesPhoto aging
The invention discloses a polymerization inhibitor for printing ink, the printing ink and application of the printing ink. Relates to the field of ink polymerization inhibitors. The component of the polymerization inhibitor for the printing ink comprises p-hydroxyanisole, and the printing ink is selected from azo dye type printing ink or mixed printing ink of anthraquinone dye and azo dye. According to the polymerization inhibitor disclosed by the invention, p-hydroxyanisole is added into azo dye type ink or anthraquinone-azo mixed type ink as an active component, so that the reflux performance of an electrowetting display device after light aging can be remarkably improved.
Owner:LIGHT DISPLAY TECH (GUANGDONG) CO LTD

UV lamp box for lens barrel aging

The UV lamp box comprises a lamp box shell, one end of the lamp box shell is provided with a cabinet door used for placing a lens cone, the lamp box shell is internally provided with a UV curing chamber, the bottom of the UV curing chamber is provided with a plurality of uniformly arranged UV light source modules, a mounting plate is arranged above the plurality of UV light source modules, and the mounting plate is provided with a plurality of LED light source modules. The mounting plate is provided with a plurality of first light holes which are uniformly arranged, a light shielding plate is arranged above the mounting plate, a lens cone is arranged between the mounting plate and the light shielding plate, and the light shielding plate is provided with a plurality of second light holes which are uniformly arranged and are in one-to-one correspondence with the plurality of first light holes; the first light-transmitting hole and the second light-transmitting hole are respectively used for corresponding to the inner hole wall of the lens barrel; according to the UV lamp box for lens barrel aging, only the inner hole wall of the lens barrel is subjected to UV light aging when the lens barrel is aged, and the outer side wall of the lens barrel is not subjected to UV light aging, so that the outer side wall of the lens barrel is prevented from being damaged in the UV light aging process, and the aging yield of the lens barrel is improved.
Owner:东莞康视达自动化科技有限公司

Composition for improving NAD < + > level and application of composition in improvement of skin photoaging

The invention belongs to the field of medicines and health foods, and particularly relates to a composition for improving the NAD < + > level and application of the composition in relieving skin light injury and light aging. The composition for improving the NAD < + > level comprises wheat polar fat and an oriental cherry extract, and can also comprise ergothioneine. All the components in the composition are reasonably matched and have a synergistic effect, the NAD < + > content of skin tissues and cells can be effectively increased, inflammatory factor generation caused by ultraviolet rays is effectively reduced, enrichment of active oxygen and advanced glycosylation end products is reduced, and light damage and light aging of the skin caused by the ultraviolet rays or blue light are relieved. The compound has a very good application prospect in products for preventing, relieving and / or treating light damage or / or light aging.
Owner:BY HEALTH CO LTD

Composition for efficiently activating cell energy and delaying light aging as well as preparation method and application of composition

The invention discloses a composition for efficiently activating cell energy and delaying light aging as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The composition consists of recombinant collagen and an anti-photoaging component, wherein the anti-photoaging component is prepared from resveratrol, stone chestnut seed oil, cynara plantaginis seed oil and a chlamydomonas nitida extract according to a specific mass ratio of the resveratrol to the stone chestnut seed oil to the cynara plantaginis seed oil to the chlamydomonas nitida extract. The composition can efficiently activate cell energy and delay light aging, and has the effects of effectively resisting aging, tightening, resisting wrinkles, resisting oxidation, relieving, repairing and moistening. The efficacy is improved through the synergistic effect of the components, the safety is high through tests, the composition can be used for preparing various skin care products such as toning lotion, emulsion and essence, and a reliable technical scheme is provided for anti-photoaging skin care products.
Owner:CHUYAN FUTURE (GUANGZHOU) BIOTECHNOLOGY CO LTD

Weather-proof composition resistant to separation and adhesion and preparation method of weather-proof composition

PendingCN122037389APhoto agingPolymer science
The invention relates to the field of high polymer materials, and discloses a weather-proof composition resistant to separation and adhesion and a preparation method thereof.The composition is prepared from, by mass, 10-60 parts of polypropylene powder, 10-40 parts of light stabilizer, 10-40 parts of antioxidant and 5-10 parts of stabilizer, the light stabilizer is UV3853, and the antioxidant is antioxidant SEED. According to the technical scheme, on the premise that the light aging resistance is not sacrificed, the zero-separation viscosity and the high gloss retention rate are achieved at the same time, the core test requirements of the automotive trim PV1306 are comprehensively matched, and the problems that in the industry, a small-molecule light stabilizer is prone to migration and stickiness, and the gloss is greatly lost after light aging are solved.
Owner:CHONGQING BAOZHUAN NEW MATERIAL TECH CO LTD

Degradable polyethylene master batch, preparation method and degradable linear low-density polyethylene

The invention discloses a degradable polyethylene master batch, a preparation method and degradable linear low-density polyethylene. The degradable polyethylene master batch is prepared from 100 parts of LLDPE (Linear Low Density Polyethylene), 1.5 to 5 parts of antioxidant, 0.5 to 3 parts of acid acceptor, 25 to 35 parts of starch, 0.4 to 1.0 part of photosensitizer, 10 to 20 parts of anti-aging modifier, 2 to 4 parts of starch plasticizer and 8 to 15 parts of modified filler, the anti-aging modifier is prepared by melt blending of maleic anhydride grafted polyolefin and amine-terminated polyamide according to a mass ratio of 10: (3-4), and the amine-terminated polyamide is obtained by condensation polymerization of bipyridine dibasic acid and aromatic diamine according to a molar ratio of 1: (1.1-1.3). According to the invention, the problem of light aging of the current degradable polyethylene material in the use period can be effectively solved, and the negative influence of the antioxidant on the light degradation efficiency is reduced.
Owner:NINGBO HUATAI WEALTHY POLYMER MATERIAL LTD

Device for testing light aging resistance of plastic material

The utility model discloses a device for testing the light aging resistance of a plastic material. The device comprises a control box, a lampshade, a base and a water-cooling radiator, the control box comprises a control box main body, a PLC touch screen, a power switch and a working state indicator lamp; the lampshade is arranged above the base, and a reflecting cover, a temperature sensor and a high-pressure mercury lamp are arranged in the lampshade and are respectively connected with the control box through soft power lines; a plurality of sample fixing clamps are arranged on the base main body, and plastic material samples to be tested can be fixed on the sample fixing clamps; the water-cooling radiator is arranged above the lampshade and comprises a cooling fan and a water inlet and outlet pipe which circularly flows, and the lampshade is cooled and cooled through combination of air cooling and water cooling. The light aging resistance of different plastic materials can be rapidly compared, the material development period is shortened while the test efficiency is improved, the test process is safe, and the test result is accurate.
Owner:JIANGSU GINAR PLASTIC TECH CO LTD

Transparent protective layer, uvioresistant and impact-resistant coating, exterior metal part and vehicle

The invention relates to a transparent protective layer, an anti-ultraviolet impact-resistant coating, an exterior metal part and a vehicle. The transparent protective layer is formed by curing a transparent ceramic composite material; the transparent ceramic composite material comprises the following components in percentage by mass: 15%-50% of a framework material, 0.01%-8% of an ultraviolet absorbent and 0.01%-5% of a light stabilizer, the framework material comprises 3%-20% of a first framework material and 12%-40% of a second framework material; the general formula of the first framework material is R1 Si < X > < 14-a >; and the general formula of the second framework material is R2 SiX < 2 > < c > P < 4-b-c >. The invention further provides an anti-ultraviolet impact-resistant coating with the transparent protective layer, an exterior metal part and a vehicle. According to the technical scheme, the service life of the electroluminescent layer can be prolonged, the overall light aging performance and mechanical performance can be improved on the premise that the color of the colored paint layer is not changed, and the application process of the electroluminescent effect on automobile metal exterior trimming parts is accelerated.
Owner:FUYAO GLASS IND GROUP CO LTD

Carboxylated beta-GP bi-crosslinking ABPA, tearable mask and preparation method

The invention discloses carboxylated beta-GP bi-crosslinking ABPA, a tearable mask and a preparation method, relates to the technical field of skin care products, and solves the problem that the mask is difficult to realize the synergism of film-forming property, tearable property, biocompatibility and multiple anti-light aging effects. The method comprises the following steps: reacting a beta-GP solution with a succinic anhydride solution, repeatedly centrifuging and washing after the reaction is ended, and freeze-drying to obtain beta-GP-COOH; 7-hydroxynaringenin phosphate and trehalose hexaprylate are dissolved in a PBS buffer solution, and a composite activation solution is obtained; dissolving beta-GP-COOH in a PBS buffer solution, transferring the solution to a water bath at 30 DEG C, and dropwise adding the composite activation solution into the system for an activation reaction; dropwise adding an ABPA solution into the activated system while stirring, and transferring into a microwave reaction tube for reaction; then carrying out dialysis; and finally, carrying out freeze-drying operation to obtain the carboxylated beta-GP bi-crosslinked ABPA. The mask provided by the invention can be used for improving multiple photoaging skin injury.
Owner:CHANGCHUN UNIV OF CHINESE MEDICINE +1

A terminalia fruit nano vesicle, a preparation method and application thereof in anti-skin aging products

The application belongs to the technical field of bioengineering, and particularly relates to a Terminalia chebula Retz. fruit nano vesicle, a preparation method thereof and application of the nano vesicle in anti-skin aging products. In the application, a composite enzyme preparation containing ferulic acid esterase is used to perform enzymolysis on Terminalia chebula Retz. fruit raw materials, sodium alginate and a calcium chloride solution are added to the enzymolysis liquid after the enzymolysis, and the nano vesicle is subjected to precipitation treatment; finally, a sodium carbonate or sodium bicarbonate solution is used to treat the precipitate, the mixture is fully stirred, centrifuged, and the supernatant is collected to obtain a purified product of the Terminalia chebula Retz. fruit nano vesicle. The preparation method of the Terminalia chebula Retz. fruit nano vesicle provided by the application is efficient and low in cost, the nano vesicle obtained has a high miRNA content, animal experiments show that the nano vesicle can reduce the content of IL-6 inflammatory factors in the skin tissue of experimental animals, reduce the loss of collagen caused by ultraviolet rays, has significant anti-aging and light-aging alleviating effects, and can be applied to functional skin care products.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES) +2

Lightfast aromatic or heteroaromatic ring yarns and fabrics thereof

The application provides a light-aging-resistant aromatic ring or aromatic heterocycle yarn and fabric thereof, the yarn comprising a core yarn and a coating yarn, the core yarn being a filament of aromatic ring or aromatic heterocycle fiber, and the coating yarn containing inorganic particles, the average particle size of the inorganic particles being in the range of 100nm-1100nm, and the content of the inorganic particles being 1-20%. The yarn is woven into a fabric, and the fabric is further subjected to an anti-ultraviolet finishing to further improve the light-aging-resistant effect. The application has the following advantages: mainly using the scattering of inorganic particles to light to protect the aromatic ring or aromatic heterocycle fiber, using the inorganic particles with a reasonable distribution of particle size to achieve the blocking of full spectrum, especially the blue-violet light and near-infrared spectrum. Secondly, the application uses a higher particle concentration to achieve higher protection. Finally, the aromatic ring or aromatic heterocycle fiber is mostly yellow and cannot be dyed, and through this way, the aromatic ring or aromatic heterocycle fiber can be endowed with rich colors.
Owner:LI NING (CHINA) SPORTS GOODS CO LTD

Modified silica gel material for a cigarette filter and method for preparing the same

PendingCN122647912APlatinumPhoto aging
The application relates to the technical field of silica gel materials, and discloses a modified silica gel material for a cigarette holder and a preparation method thereof. The modified silica gel material for the cigarette holder prepared by the application comprises the following raw materials in parts by weight: 50-60 parts of vinyl silicone rubber, 20-30 parts of methyl vinyl silicone rubber, 1.5-2.5 parts of hydrogen-containing silicone oil, 4-8 parts of modified PI@ZnO material and 1.5-2.5 parts of platinum gold vulcanizing agent; the material has excellent ultraviolet light aging resistance and heat oxygen aging resistance while keeping good performance of the silicone rubber.
Owner:DONGGUAN CHUANWANG ELECTRONIC TECH CO LTD

Photoaged microplastic composite toxicity detection and risk determination method based on integrated biomarker response index (IBR)

The invention belongs to the technical field of environmental pollutant toxicity detection and risk assessment, and particularly relates to a photoaged microplastic composite toxicity detection and risk judgment method based on a comprehensive biomarker response index (IBR), and the method comprises the following steps: S1, preparing photoaged microplastic; s2, performing a biological exposure experiment; s3, multi-dimensional biological response detection; s4, calculating a comprehensive biomarker response index (IBR); s5, composite toxicity risk judgment. According to the method, an IBR method is introduced to integrate multiple biological responses, a single comprehensive index is formed, the objectivity and comparability of toxicity judgment are improved, and the method is suitable for environmental pollutants such as pesticides, flame retardants and drugs. The method is short in experimental period, high in sensitivity and visual in result, can truly reflect the biological influence under the coexistence condition of the light aging micro-plastics and the pollutants, and has good application and popularization values.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP +1

Ventilation grille and preparation method thereof

PendingCN121379018APhoto agingUltraviolet lights
The invention relates to the technical field of ventilation grilles, in particular to a ventilation grille and a preparation method thereof. The ventilation grille is formed through injection molding, and raw materials for injection molding comprise the following components in parts by weight: 35-75 parts of polypropylene resin; 15 to 35 parts of a reinforcing material; 3-8 parts of a compatilizer; 5 to 15 parts of a toughening agent; 0.5 to 1.5 parts of a nucleating agent; 1 to 3 parts of an antioxidant; 1-3 parts of a light stabilizer; and 0.3 to 0.8 part of a lubricant. Through the component proportion, the rigidity and the toughness of the ventilation grille can be guaranteed, the strength and the heat resistance of the grille are improved, the light aging resistance of the grille in harsh external environments such as high temperature and strong ultraviolet rays is enhanced, the color stability of the grille is improved, and the service life of the grille is prolonged. According to the preparation method of the ventilation grille, mass production of the ventilation grille can be rapidly achieved.
Owner:FAW JIEFANG AUTOMOTIVE CO

High-safety and high-persistence double cross-linked yak type Ⅲ collagen implant, preparation method and application thereof

PendingCN122351587ASkin repairFibrosis
This invention belongs to the field of biomaterials technology, specifically relating to a highly safe and durable double-crosslinked yak type III collagen implant, its preparation method, and its applications. Using yak type III collagen as raw material, it self-assembles into type III collagen fibers, then crosslinks them using metal ions for coordination, followed by a secondary crosslinking with a chemical crosslinking agent. This process maintains the original triple helix structure and fibrotic characteristics of type III collagen, exhibiting good injectability, viscoelasticity, and anti-degradation capabilities. It also demonstrates excellent cell compatibility and cell activity, promoting fibroblast proliferation, migration, and adhesion, and regulating macrophage inflammation-related phenotypes. Furthermore, it can improve skin hydration, reduce transepidermal water loss, promote dermal collagen deposition and tissue structure reconstruction, without causing significant systemic toxicity or persistent local inflammatory reactions, effectively repairing photo-aged skin. It shows great application potential in the fields of photo-aged skin repair and related skin implant medical devices.
Owner:COLLAGEN (WUHAN) BIOTECHNOLOGY CO LTD

Method for recycling waste polyamide 6

PendingCN122629616AEndcappingPhoto aging
The application relates to the technical field of waste nylon recycling, and particularly discloses a method for recycling waste polyamide 6. The method comprises the following steps: preparing a prepolymer through acidolysis-grafting reaction of waste polyamide 6, a dibasic acid and a bifunctional stabilizer, preparing a melt through esterification end-capping and vacuum polycondensation of the purified prepolymer, a dihydric alcohol and a catalyst, and spinning the melt after adding a light-aging-resistant additive to obtain regenerated polyamide 6 fibers. The regenerated polyamide 6 fibers prepared by the method have excellent light-aging resistance, can effectively inhibit yellowing and fracture strength attenuation, and are suitable for high-end fields such as outdoor textiles; the recycling method is simple and easy to operate, has mild conditions, realizes high-value closed-loop recycling of waste polyamide 6, and the prepared regenerated polyamide 6 fibers have stable performance.
Owner:JIANGSU HONGSHENG NEW MATERIAL LIMITED BY SHARE LTD

High-color-fastness color paste and processing technology thereof

The invention relates to the technical field of textile coatings, and particularly discloses high-color-fastness color paste and a processing technology thereof. The color paste comprises a composite resin system, a core-shell structure composite pigment, a quaternary light stabilization composition composed of a benzotriazole ultraviolet light absorber, a benzophenone ultraviolet light absorber, a hindered amine light stabilizer and a hindered phenol antioxidant, a polyfunctionality dispersant, an aziridine cross-linking agent, a leveling control agent, an organic silicon defoamer and a composite solvent. The processing technology comprises the following steps: carrying out aluminum oxide / zirconium cerium double-layer coating and silane treatment on the core-shell pigment; carrying out melt blending on the light-stable components and then crushing; the composition is mixed, ground and subjected to stepped curing and curing. The composition / product provided by the invention can be used for an outdoor textile coating, has high color fastness to light and excellent dispersity and flexibility, and solves the technical problem of insufficient light aging resistance of color paste in the prior art; in addition, the preparation method has the advantages of high operation efficiency and component compatibility optimization.
Owner:SUZHOU TUMBO SILK TECH CO LTD

Method for constructing light-heat coupling aging model of smart meter

The present application relates to the technical field of smart meter reliability evaluation, and is a smart meter light-heat coupling aging model construction method, specifically comprising: S1, light-heat coupling accelerated aging test platform construction, S2, light-heat coupling accelerated aging test design and data acquisition, S3, light-heat coupling aging sub-model construction, S4, complete light-heat coupling aging model integration and optimization, S5, model verification and correction, the present application introduces the light-heat coupling effect into the smart meter aging model, breaks through the limitation of the traditional single stress model, constructs a complete model containing a light aging sub-model, a heat aging sub-model and a coupling term, accurately reproduces the aging mechanism under the synergistic action of solar radiation and temperature in the outdoor environment, and through the construction of an integrated light-heat coupling accelerated aging test platform, accurate synergistic control of full-spectrum light and wide temperature range can be realized.
Owner:国网新疆电力有限公司营销服务中心

Environment-mechanical coupling accelerated corrosion aging climate chamber

The present application belongs to the technical field of comprehensive atmospheric environment corrosion test, and particularly relates to an environmental-mechanical coupling accelerated corrosion aging climate chamber capable of in-situ observation, wherein a temperature control system, a humidity control system and an ultraviolet lamp array realize simulation of the climate environment in the chamber through control of a general controller, the temperature, humidity and ultraviolet lamp can be controlled individually or synchronously, a sample loading platform is driven by a displacement control system to move forward, backward, upward, downward and leftward and rightward, and a multiple zoom imaging system is used to observe and shoot the chamber and the test sample; parameters and observation programs are set through an operation interface, so that the sample loading platform is automatically moved in front of the multiple zoom imaging system lens to take pictures regularly; the climate chamber has simple structure, perfect functions, can load multiple stress types and large numbers of test samples, and is flexible and widely applicable in clamp installation and application, and can be used for single function corrosion aging accelerated test such as ultraviolet light aging corrosion test and humid heat corrosion test or multi-factor comprehensive climate environment simulation accelerated test.
Owner:CHINA SHIPBUILDING INDUSTRY CORPORATION NO725 RESEARCH INSTITUTE

Degradable polyethylene masterbatch, preparation method and degradable linear low density polyethylene

The application discloses a degradable polyethylene master batch, a preparation method and degradable linear low-density polyethylene. The degradable polyethylene master batch comprises the following components: 100 parts of LLDPE, 1.5-5 parts of an antioxidant, 0.5-3 parts of an acid absorbent, 25-35 parts of starch, 0.4-1.0 parts of a photosensitizer, 10-20 parts of an anti-aging modifier, 2-4 parts of a starch plasticizer and 8-15 parts of a modified filler. The anti-aging modifier is prepared by melt blending of maleic anhydride grafted polyolefin and amine-terminated polyamide at a mass ratio of 10:3-4, and the amine-terminated polyamide is obtained by polycondensation of bipyridine diacid and aromatic diamine at a molar ratio of 1:1.1-1.3. The application can effectively solve the problem of light aging of the current degradable polyethylene material during use, and reduce the negative influence of the antioxidant on the light degradation efficiency.
Owner:NINGBO HUATAI WEALTHY POLYMER MATERIAL LTD