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uv light absorber YCUV 418[Equivalent]Hostavin B-CAP(Clariant)
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| Post Date: | Feb 23,2017 |
| Expiry Date: | Feb 23,2018 |
| Detailed Description: |
Cas No. :6337-43-5
Chemical Name: Tetra-ethyl-2,2’-(1,4-phenylene-dimethylidene)-bismalonate
Other name: tetraethyl 2,2'-(1,4-phenylenedimethylidyne)bismalonate; [2,2'-(1,4-Phenylene)bis(ethene)]-1,1,1',1'-tetracarboxylic acid tetraethyl ester; α,α'-Bis(ethoxycarbonyl)-1,4-benzenedipropenoic acid diethyl ester; Einecs 228-726-5; Propanedioic acid, 2,2'-(1,4-phenylenedimethylidyne)bis-, 1,1',3,3'-tetraethyl ester; Propanedioic acid, 2,2'-(1,4-phenylenedimethylidyne)bis-, tetraethyl ester; B-CAP; Hostavin B-CAP Specification: Properties Specifications: APPEARANCE White to offwhite powder MELTING POINT 137-139℃ SOLUBILITY Soluble in methylene chloride, acetone, ethylene acid, organic solvents TGA(10% mass loss, N2, 5℃/min) 286 ℃ Properties:YCUV418 ;it is a benzylidene malonate type UV stabilizer which strongly absorb in the high energy part of the UV spectrum(short wave length,maximum up to 326nm);advantages: high molecular weight;difficult to volatilize;resist to extraction and easily process. YCUV418 is white and almost doesn’t absorb any visible light to make sure protect polymers from coloration and discoloration.products can keep original transparency and color even at the condition of long term exposure to heat and light.besides,YCUV418 can play an excellent photo-degradation protection if it is used together with hindered amine light stabilizers. Application: YCUV418 is a novel light stabilizer which is widely used in engineering plastics such as PC,PET; YCUV418 can be used alone also can be used together with other light stabilizers; YCUV418 can be used direct with resins or be prepared in pre-dispersion granular form;or dissolve it in solvents to paint on the surface of products; In 1mm PC injection sheet,the effect with 0.3% YCUV418 is much better than hydroxyphenyl triazines and benzotriazole-based ultraviolet absorbers; In 2mm PC injection sheet,the effect with 0.25% YCUV418 is much better than other traditional UV absorbers; YCUV418 just can be used in industry field; Recommended dosage: 0.25%~0.3%; Package and Storage: 25kgs/paper drum;25kgs/kraft bag;or as customer’s request; YCUV418 is not a dangerous goods according to transportation regulation; |
| CAS Registry Number: | 6337-43-5 |
| Company: | Yongchang Polymer Additives Co ltd [ China ] |
| Contact: | Mickel |
| Tel: | +86-20-61876219 |
| Fax: | |
| Email: | info@chinapolymeradditives.cn |
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