Technical Data Sheet – Irgafos (pdf), EN, View (47k). Material Safety Data Sheet, EN Material Safety Data Sheet, ES, CL, View (38k). Material Safety Data . Irgafos 38 | Chemwatch – global provider of online chemical management and compliance solutions. Author and manage SDSs, manage use & transport of. 11)12)((38(4,5)6)(35)41(13,14)15) (39(7,8)9)(36)42(16 Irgafos ; tris-(2,4-di-tert-butylphenyl) phosphite.

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The organic phosphite or phosphonite antioxidant should be approved for use in polyolefins in contact with food and may be [Bis 2-methyl-4,6-bis 1,1-dimethylethyl phenyl phosphorous acid ethylester] e. Phosphite YI 0 Irgafos 38 For different polyolefin polymers, the optimum particle sizes will differ slightly.

LI Free format text: It is also preferred if the UV-stabilisers are approved for use in polyolefins in contact with food. Ti, Zr or Hf. Additive analysis showed that the hydrolytic 338 was good no reaction, no hydrolysis of additives.

Polymer particles of a suitable size may be obtained by methods such as grinding, extruding and pelletising or simply synthesising polymer particles having a suitable particle size directly.

On the other hand, where the particle size is too small the powder will have poor flow characteristics and will not distribute evenly in the mould. Thus UV stabilisers which are soluble or partially soluble in the polymer e.

The rotation ratio was 9: Zinc stearate powder 9 g was added and the mixture blended for another five minutes. C at least one UV-stabiliser selected from [1,6-Hexanediamine, N,N’-bis 2,2,6,6-tetramethylpiperidinyl – polymer with 2,4,6-trichloro-1,3,5-triazine, reaction products with, N-butylbutanamine and N-butyl-2,2,6,6-tetramethylpiperidinamine]; [Poly 6-morpholino-s-triazine-2,4-diyl 2,2,6,6-tetramethyl-4 piperidyl imino hexamethylene 2,2,6,6-tetramethylpiperidyl imino ]; or [Poly 6- 1,1,3,3-tetramethylbutyl amino -1,3,5-triazine-2,4-diyl 2,2,6,6-tetramethylpiperidyl imino -1,6-hexanediyl 2,2,6,6-tetramethylpiperidyl imino ].


EPB2 – Process for addition of additives to polymer particles – Google Patents

Irgafos[Tetrakis- 2,4-di- t -butylphenyl -4,4′-biphenylen-di-phosphonite] e. Jrgafos it has been found that polyolefin polymer particles of appropriate size for preparation of the moulding powder may readily be prepared using supported catalysts, in particular catalysts comprising porous lrgafos loaded with the catalyst, e. Melt flow rate of the powder did not change. Kind code of ref document: Environmental stress rupture resistance modifier and environmental stress rupture resistance-modified resin composition containing same.

Cyasorb UV or Poly 6- 1,1,3,3-tetramethylbutyl amino -1,3,5-triazine-2,4-diyl 2,2,6,6-tetramethylpiperidyl imino -1,6-hexanediyl 2,2,6,6-tetramethylpiperidyl imino ] e.

Tris(2,4-DI-tert-butylphenyl)phosphite | C42H63O3P – PubChem

The yellowness index of the resulting articles was measured. In this regard mention irgaos be made of the silver and boron compounds known in the art.

B1 Designated state s: A process as claimed in any one of claims 1 to 5 wherein said phenolic antioxidant is [Octadecyl 3- 3′,5′-di-tert. Where a co-catalyst is used, it may be used separately but more preferably it is also loaded onto the porous support material.

Preferably, the polymer particles has a mean polymer particle size e. What is required of such activators is that they should react with the metallocene or pyrazolyl complex to yield an organometallic cation and a non-coordinating anion see for example the discussion on non-coordinating anions J – in EP-A Asahi.

Besides the UV-stabilizer, the polymer irgaffos powder used according to the invention has materials capable of inhibiting degradation of the polyolefin polymer, i.


A process as claimed in any one of claims 1 to irgwfos wherein said mixture comprises 0. Date of ref document: SE Free format text: A process for the irgaofs of a moulded polymer item, said process comprising: Country of ref document: It is also possible to employ a mixture of these compounds.

EP1261660B2 – Process for addition of additives to polymer particles – Google Patents

The inert atmosphere may be provided by an conventional inert gas such as a noble gas or preferably nitrogen. Rotomoulded articles were prepared following the experimental procedure described in Example 5.

Polypropylene resin composition for rotational molding, manufacturing method the same and rotational molding product by using the same. CY Free format text: A polymer moulding powder for rotational moulding obtainable by a process as claimed in any one of claims 1 to The polymer moulding powder should preferably comprise 0.

Pressgranulierte flame retardant composition, process for their preparation and their use. Rotational moulding using the moulding powder of the invention may be effected conventionally, e. Preferred UV stabilisers are high molecular weight hindered amine light stabilisers, e. Irgafos 38tris-nonylphenyl phosphite, [Tris 2,4-di- t -butylphenyl phosphite] e. FR Ref legal event code: Use of a mixture containing phenoxy resin as an additive for a thermoplastic polymer to reduce its diffusion coefficient.