(A multifunctional new anti-oxidant for plastics)

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1 ZIKANX-549 (A multifunctional new anti-oxidant for plastics) ZIK Ltd. Home Page :

2 WHAT IS ZIKANX-549 Classification Antioxidant specifically classified as biphenol monoacrylic ester Basic information Chemical Name: 2-[1-(2-hydroxy-3,5-di-tert-pentylphenyl) t-c 5 H 11 H CH 3 t-c 5 H 11 ethyl]-4,6-di-tert-pentylphenyl acrylate CAS number: EINECS/ELINCS: Equivalent grade: Sumilizer GS from Sumitomo chemical t-c 5 H 11 t-c 5 H 11 [HPLC Ch t] Specification [HPLC Chart] Appearance: White crystal powder Melting point: 115 Purity (by HPLC): 99% Moisture: Max. 0.5%

3 Characterization of ZIKANX-549 A sort of new heat resistance antioxidant of biphenol monoacrylic ester class. Shows excellent with heat resistance effect at high temperature during polymer processing. Show high performance for preventing thermal aging and discoloration for various synthetic resin especially for diene polymers. Excellent performance for prevention of thermal degradation Especially, ZIKANX-549 can minimize Gel/Fish-eye formation of final product during extrusion processing. Meet the requirement of regulation Not listed to California Proposition 65(1986) as a hazardous substance Nt Not containing tii RoHS RHSregulated ltdsubstance bt Meet the requirement of EU food contact (CMMISSIN DIRECTIVE 2007/72/EC of 13 December 2007) Latex and gluten free product Non-BSE(Bovine Spongiform Encephalopathy) product -2 -

4 Complied with the requirement of U. S. FDA(Title 21of the US CFR) in SBC * (Styrene Butadiene Copolymer) Food contact clearance Max. concentration Food allowed Temperature allowed For use in polystyrene and Rubber-modified polystyrene complying with % For use in contact with all food type A - H For use as antioxidant and Stabilizers for polymer complying with % For use in contact t with all food type A - H [ Main application of SBC ] 1. Insulation product 2. Food and drink packaging 3. Medical packaging 4. Shrink wrapping film 5. CD/Cassettes case 6. Medical syringes 7. Injection and extrusion molding 8. Thermoforming 9. Shrink sleeve label -3 -

5 [Certification of FDA approval] 21 CFR CFR

6 Application ZIKANX-549 is a highly effective crystal powder type antioxidant that can be used for various kinds of polymer such as Polyolefin, ABS, Clear IPS, SBS, SIS, SBC, PC, TPE and synthetic fiber. Recommended dosage level: 0.3wt% ~ 1.0wt% Packing and storage condition Standard packing: 25kg net in a fiber drum Storage condition: Should be stored in a closed system and be kept in a dry place without any light exposure Remarks Maximum recommended storage time under suitable conditions(dry & cool): 12months -5 -

7 RLL F ZIKANX-549 FR PLYMER DEGRADATIN Roll of ZIKANX-549for plastic degradation UV ray Energy Photon RH (Polymer) Chromophores RH + H 2 2 Reacts with another RH R (C-radicals) Energy Ⅰ xygen ZIKANX-549 By mechanism Ⅰ Cycle ll Cycle l R + H (Alkoxy radicals) (Hydroxy radicals) Energy Ⅱ RH RH + R (Hydroperoxides) Reacts with another RH R (Peroxy radicals) By mechanism Ⅱ ZIKANX-549 Conventional Hindered Phenol Anti-oxidant [Remark] - Energy Ⅰ : Heat, Light, Catalyst residues, Mechanical Stress, Reaction with Impurities etc. - Energy Ⅱ : Catalyst residues, Light, High Temperature etc. -6 -

8 Mechanism of stabilization of plastic degradation by ZIKANX-549 Step Mechanism of stabilization Polymer radical trapping by double bond of acrylate moiety Mechanism Ⅰ H H R + RH < ZIKANX-549> Radical stabilizing by hydrogen transfer H H Mechanism Ⅱ H +R + RH -7 -

9 CMPARISN F ZIKANX-549 AGAINST CMPTITR S Physical properties Item ZIKANX-549 Sumilizer GS Appearance White crystal powder White crystal powder Purity(%) M.P( ) Transmittance(%T) Loss on drying(%) [Remark] Sumilizer GS: Product from Sumitomo Chemical, Japan Comparison against comparative UV absorbers (TGA) 100 Temperature Weight Residue (%) : ZIKANX-549 : Sumilizer GS ( ) ZIKANX-549 Sumilizer GS Weig ght Residue e(%) [Remark] 20 o C/min, N 2 purge Temperature( ) -8 -

10 ZIK LTD. PRFILE ZIK has achieved new heights of excellence through plastic additive to improve plastic properties. ZIK began an intense effort in developing an industrial UV stabilizer in early 1995 and successfully commercialized ZIKASRB series by the end of The driving force behind the research and development was the strong need for a robust UV stabilizer that could be differentiated from other conventional products. Since the first introduction of ZIKASRB series, ZIK has constantly tried to develop new item. So ZIK introduced the ZIKASTAT series, antistatic agent for polyurethane at 2006 and the new multifunctional anti-oxidant for plastics named ZIKANX-549 at the end of ZIKASRB series is a group of light stabilizer largely depending on the formamidine type of UV absorber, which has a whole new chemical structure distinguished from the conventional benzophenone and benzotriazole UV absorbers. ZIKASTAT series is a liquid type antistatic agent for Polyurethane. It is the next generation antistatic agent whose application field is continuously being expanded to its excellent compatibility with polymers. ZIKANX-549 is a sort of new heat resistance anti-oxidant of biphenol monoacrylic ester class. It shows excellent antioxidant effect with heat resistance effect at high temperature during polymer processing. Thus it shows high performance for preventing thermal aging and discoloration for various synthetic resin especially for diene polymer. The continuous efforts of ZIK have brought itself to the point where it can accurately identify the diverse benefits sought by various customers, not only the diverse benefits by one particular customer but also the particular benefits by diverse customers in many different fields. Within a few years, what began as a single chemical producer has evolved into an expert that can create individual chemical solutions for a wide range of applications. Contact Mr. TaekJun Lee(Division director) uvcone@hanmail.net Mr. Jaeseung YANG(Export manager) jsyang@e-ziko.com Website