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Light stabilizers UV Absorber UV-1 CAS:57834-33-0 UV-1 Two-component polyurethane coatings, flexible polyurethane foams and polyurethane thermoplastic elastomers, especially for microcellular foams, integral skin foams, traditional rigid foams, semi-rigid, flexible foams, fabric coatings, some adhesives, sealants and Elastomers as well as polyurethane products such as polyvinyl chloride, vinyl polymers with excellent light stability, such as acrylic resins. Ultraviolet absorber UV-1 is a formamidine type high-efficiency ultraviolet absorber that can effectively prevent the yellowing of high-molecular polymers such as two-component polyurethane coatings, polyurethane flexible foams, and polyurethane thermoplastic elastomers, and has obvious anti-yellowing. effect. It can effectively absorb the ultraviolet light of 240-350nm, almost completely absorb the ultraviolet light of 300-330nm, the maximum absorption peak is 308nm, and in the region of 300-330nm, polyurethane is easily degraded by radiation, so the ultraviolet absorber GSUV-1 can effectively inhibit The photocatalytic degradation of high molecular polymers can enhance the color stability of products and prolong the service life, especially in polyurethane products such as microcellular foam, integral skin foam, traditional rigid foam, semi-rigid foam, soft foam, fabric coating, certain Some polymers such as adhesives, sealants and elastomers have excellent light stability properties.
Light stabilizers Light Stabilizer 622 CAS:65447-77-0 LS-622 Light Stabilizer 622 is an oligomeric hindered amine light stabilizer that meets low volatility and minimal migration requirements. 622 is suitable for use in pigment and carbon black systems, typical end uses include adhesives, sealants, elastomers, fibers and films. The combination of light stabilizer 622 and UV absorbers such as UV 326/UV 329 has a synergistic effect and is widely used in PP, PE, PS, ABS, PU, POM. Light stabilizer 622 is a hindered amine light stabilizer, which can be used in polyethylene, polypropylene, polyurethane, polyoxymethylene, polyamide and polyester elastomers; it has a good synergistic effect with antioxidants and ultraviolet absorbers, which can further improve the product quality. heat resistance and light aging resistance.
Light stabilizers UV Absorber UV-2908 CAS:67845-93-6 UV-2908 This product is an excellent light stabilizer with low volatility, low colorability, good chemical stability, and acid and alkali resistance. It is suitable for polyolefin plastics such as PP and PE, and the general dosage is 0.25-0.1%. This product can be used alone or in combination with benzophenone UV stabilizer or phosphite antioxidant, showing good synergistic effect.
Light stabilizers UV absorber UV-234 CAS:70321-86-7 UV-234 Ultraviolet absorber UV-234 is an excellent light stabilizer for PE, PP, polyester and coatings. Very effective for polymers that need to be processed at high temperatures without loss of UV absorption, such as polycarbonates, polyesters, polyacetals, polyamides, polyphenylene sulfides, polyphenylene oxides, aromatic copolymers , thermoplastic polyurethane, polyurethane fiber, and polyvinyl chloride, styrene monomer and copolymer. Can also be applied to molds, films, sheets and fibers.
Light stabilizers UV Absorber UV-928 CAS:73936-91-1 UV-928 This product has wide absorption properties, which can effectively protect coatings and other photosensitive materials; high solubility, high temperature resistance and good environmental durability; suitable for high-performance coatings, especially for powder coatings and coil continuous coatings, Can also be used in automotive coatings and conventional coatings. It has wide absorption properties, can effectively protect coatings and other photosensitive materials; high solubility, high temperature resistance and good environmental durability; suitable for high-performance coatings, especially for powder coatings and coil continuous coatings, also available For automotive coatings and conventional coatings. Generally, it is better to use together with light stabilizer UV-292 or UV-123.
Light stabilizers UV Absorber UV-360 CAS:103597-45-1 UV-360 UV 360 is a UV absorber of 300-400nm, which has good light stabilization effect - it has good heat resistance by converting ultraviolet light into heat energy by photochemical action, and is aimed at the fields that require low volatile content and high weather resistance. Suitable for high processing temperature polymers such as polycarbonate (PC) systems; high molecular weight can effectively prevent precipitation and migration on molds and die lips; used in acrylic resins, PET, polycarbonate (PC), or modified of polyphenylene ether or sulfide compounds, polyamides, polyolefins, styrenes, elastomers and high performance plastics. This product also has very low volatility, can be used together with other light stabilizers or antioxidants, especially suitable for processing and aging in high temperature environment, it can be powder, solution or melt extrusion molding, can prevent crystallization Exudation and sublimation, it is suitable for casting, thin layer construction of fibers, paper and wallpaper, etc. This product is suitable for acrylic, polyester, polycarbonate, polyoxymethylene, polyamide, polyolefin, styrene polymer, Elastomers, adhesives, etc.
Light stabilizers Light Stabilizer 119 CAS:106990-43-6 LS-119 Light stabilizer 119 is a non-polymeric high molecular weight hindered amine light stabilizer. Compared with other hindered amine light stabilizers, its advantage is that it can enhance the chromaticity of colored polyolefin products. Due to its macromolecular structure, it is suitable for all applications requiring low volatility and high resistance to migration. 106990-43-6 (light stabilizer 119) is also an effective antioxidant that can significantly improve the long-term thermal stability of polyolefins. Light stabilizer 119 is a non-polymeric high molecular weight hindered amine light stabilizer. It has the characteristics of low volatility, migration resistance, high temperature resistance, etc. It can be used in weakly acidic environments and is suitable for polyolefin materials (such as PP, PE), thermoplastic Elastomers, PS, styrenic materials, soft and rigid PVC, PU, PA, POM, PET, PBT, PMMA, etc.
Light stabilizers UV Absorber UV-571 CAS:125304-04-3 UV-571 UV 571 has good thermal stability and good compatibility with various polymers. It is widely used in thermoplastic polyurethane PUR, paints and foams, and also in PPVC, PVB, PMMA, PVDC, EVOH, EVA, thermosetting unsaturated resins, PA, PET, PUR mesh and PP fibers. UV 571 is also suitable for latex, waxes, adhesives, homogeneous polystyrene and its copolymers, elastomers and polyolefins. 571 can be used alone or in combination with Light Stabilizer 292 in polyurethane.
Light stabilizers UV Absorber UV 384-2 CAS:127519-17-9 UV-384-2 This product is better when used in combination with hindered amine light stabilizers, such as UV-292 or UV-123. The synergistic effect between these additives provides better inhibition of yellowing, cracking, blistering, peeling and matting of coatings. UV-384-2 is used in combination with hindered amine light stabilizers such as 292 or UV-123. These combinations improve the durability of clear coats by inhibiting or delaying the occurrence of phenomena such as gloss loss, cracking, color change, blistering and matting.
Light stabilizers Light Stabilizer 123 CAS:129757-67-1 LS-123 Hindered amine UV stabilizer. This product is weakly alkaline, which reduces interaction with acidic coating components, which are especially effective in alkyd-based coatings. Suitable for acrylic resins, polyurethanes, sealants, adhesives, rubber, blends of TPE and TPO, PVC, polystyrene, polypropylene and other unsaturated resins. In addition, the light stabilizer UV-123 will also cross-link with other components in the coating formulation, so this product is especially recommended for use in coatings. Excellent resistance to acids, flame retardants, sulfur and catalyst residues. Light stabilizer 123 is mainly used in automotive coatings, industrial coatings, decorative coatings and wood coatings. It is often used in combination with UV absorbers 1130 or 928, and has a good inhibitory effect on loss of light, cracking, foaming and peeling.
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