Get instant access to Irganox® L technical datasheet. It is a multifunctional liquid phenolic antioxidant for processing and long-term thermal stabilization. Multifunctional phenolic antioxidant for processing and long-term thermal stabilization of elastomers, plastics and related products. NameMethyl-4,6-bis(octylsulfanylmethyl)phenol,CASProperties: Molecular Fomula:C25H44OS2,Molar Mass,Densityg/cm 3.
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In an embodiment, the use of a CIA such as CSL may reduce color formation in HIPS comprising of one or more oxidizing agents such as peroxides, hydroperoxides or peroxide mixtures, metallic stearates or combinations thereof.
Elastomer-reinforced polymers of monovinylidene aromatic compounds such as styrene, alpha-methylstyrene and ring-substituted styrene have found widespread commercial use. In an embodiment, the CIA is present in the reaction mixture prior to the addition of any compound that may serve as an oxidizing agent.
Examples of suitable conjugated diene monomers include without limitation 1,3-butadiene, 2-methyl-1,3-butadiene, 2 chloro-1,3 butadiene, 2-methyl-1,3-butadiene, and 2 chloro-1,3-butadiene. For example and without limitation, the color of the polymer composition may be assessed using a colorimeter. Blends or copolymers of the diene monomers may also be used.
In an alternative embodiment, the CIA may be introduced to the polymerization process at some time subsequent to the dissolution of the elastomer.
In an embodiment, the Ifganox may irgamox calcium stearoyl lactate. In an embodiment, a styrenic polymer composition comprises a polymer of styrene and a color improving additive CIA. Alternatively, the reaction mixture comprises styrene and an oxidizing agent.
The results of the color measurements are presented in Table 1. Ms sophie wang Welcome to my shop! We should be obliged if you would forward fuller details of the range together with your current price-list quoting terms for overseas delivery and terms of cooperation. In an embodiment, the polymerization reaction is carried out in a reactor system comprising a plurality of reactors.
In an embodiment, the styrenic polymer composition iragnox HIPS comprising a conjugated diene monomer as the elastomer.
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In some embodiments, CSL is present in the reaction mixture prior to the addition of all the components required for production of a CFC. In an embodiment, the antioxidant is a phenol, a catechol, or combination thereof. Thank you for your enquiry and you will be contacted soon. Process for the production of elastomeric diene polymers with improved properties. The effect of changing the peroxide initiator package and elastomer on the color of the HIPS resin produced krganox investigated.
irganox 1520 equivalent
The method of claim 1 wherein the antioxidant comprises a phenol, a catechol, ris-nonylphenylphosphite TNPP2,6 ditertiarybutylmethyl phenol, Octadecyl 3,5-Di- tert -butylhydroxyhydrocinnamate, 4-bis[ octylthio methyl]-o-cresol, or combinations thereof.
Initiators, sometimes referred to as accelerators, are compounds that function irgaox the source of free radicals to enable the polymerization of styrene.
Method of adding water insoluble organic chemicals to styrene-butadiene rubber latex dispersions and resulting styrene-butadiene rubber latex dispersions. The CIA may be included in the reaction mixture which enters the prepolymerization reactor.
Antioxidant 1520, Irganox 1520, CAS 110553-27-0
Please send me detail product specification, thank you! We intend to purchase this product, would you please send me the quotation and minimum order quantity? The method of claim 18 wherein the first reactor vessel is a continuously stirred tank reactor and the second reactor vessel is a plug flow reactor. The effectiveness of this product used in a wide range of elastomers is exceptional along with extensive food contact approvals.
Antioxidant Irganox , CAS# Supplier | China Baoxu
The unreacted materials may be returned upstream using a process known as devolatilization wherein the unreacted styrene monomer is carried out of the reaction vessel at high reaction temperatures and pressures in a recycle stream. The method of claim 1 wherein the polystyrene is prepared via a solution polymerization process. The CIA may function to inhibit the oxidation of other components of the polymer composition such as for example and without limitation the antioxidants.
In an embodiment, a styrenic polymer composition may contain an antioxidant in amounts of from ppm to 10, ppm, alternatively from ppm to 7, ppm, alternatively from ppm to ppm, alternatively from ppm to ppm, alternatively from ppm to ppm, alternatively from ppm to ppm, alternatively from ppm to igganox. For example, the initiator may be present in an amount of from 0. Improved methods for producing styrene-based polymer composition and method of use thereof.
For example, during the production of igganox antioxidants are often included as stabilizers.
In an iryanox, the styrenic polymer composition contains at least one antioxidant. Improved methods of making styrenic polymeric compositions and methods of using same.
The method of claim 1 wherein the antioxidant is present in an amount of from ppm to 10, ppm. In some embodiments, the styrenic polymer composition may comprise an elastomer, and the resultant polymeric composition may 11520 a HIPS. In an embodiment, the CIA may be present in amounts of from ppm to ppm, alternatively from ppm to ppm, alternatively from ppm to ppm, alternatively from ppm to ppm.
Examples of additives include without limitation chain transfer agents, talc, antioxidants, UV stabilizers, lubricants, mineral oil, plasticizers and others as known to one of ordinary skill in the art. We will find the most reliable suppliers for you according to your description.
Many commercial formulations of such elastomers may include at least one antioxidant as a stabilizer. CSL, which is widely commercially available, may be obtained by combining lactic acid and stearic acid, and then reacting the product with calcium hydroxide to make the calcium salt.
The styrenic polymer composition may be a styrenic homopolymer such as a GPPS. Zibo Muhui Trading Co. Process for the stabilization of a stabilizer mixtures for recycled plastic mixtures. Without limitation, examples of suitable aliphatic conjugated diene monomers include C 4 to C 9 dienes such as butadiene monomers.
The foregoing has outlined rather broadly the features and technical advantages of the present disclosure in order that the detailed description of the irvanox that follows may be better understood. Thus, the claims are a further description and are an addition to the embodiments of the present disclosure.