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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A at least one phenolic antioxidant.

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

Once the polymer has melted and formed a coating on the mould surface the mould is cooled. AT Free format text: Addition of stabiliser to the polymer particles is normally achieved by mixing polymer and stabilizers in an extruder mixer which applies shear force to mix the components and melt the polymer.

IE Ref legal event code: LU Free format text: A process for the preparation of a moulded polymer item, said process comprising: Melt flow rate and impact properties were comparable. PLFP Year of fee payment: The polyolefin polymer powder used in rotational moulding, e.

IRGAFOS 38 | Chemicals eBiochemicals

The spraying may be direct, e. Rotational moulding is a polymer moulding technique which is particularly suitable for the production of large polymer products, especially containers.

However 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 particulates loaded with the catalyst, e.


Irbafos Designated state s: DE Ref legal event code: A process as claimed in any one of claims 1 to 6 wherein said at least one organic phosphite or phosphonite antioxidant is [Bis 2-methyl-4,6-bis 1,1-dimethylethyl phenyl phosphorous acid ethylester].

CY Free format text: The moulding powder load was g giving a wall thickness of approximately 4 mm.

The polyolefin polymer particulate preferably has a very homogeneous molecular structure, seen as a narrow melting range in the curve obtained by differential scanning calorimetry and as a very even crystal structure in micrographic studies. It is quite different from other conventional moulding techniques such as injection moulding or blow moulding. CH Ref legal event code: A process as claimed in any one of claims 1 to 10 wherein all the components of said mixture are approved for contact with food.

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.

The structures of most irgatos these stabilisers are illustrated in the scheme below. CH Free format text: GR Free format text: Polyolefinepoedersamenstellingen, in particular polyethylene powder compositions having improved adhesion, and to manufacture thereof, and articles of manufacture. Suitable mixing apparatuses include Forberg, Idecon, and Lodige mixers. FR Ref legal event code: 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.


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

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 ].

This ensures even distribution of the liquid stabilising solution over the polymer particles. The phenolic antioxidant should be approved for use in polyolefins in contact with food and is preferably [Octadecyl 3- 3′,5′-di-tert. Besides the stabilizer sthe moulding powder may contain with other additives, e. A process as claimed in any one of claims 1 to 9 wherein said mixture comprises 0.

Examples of suitable catalysts are known from: Thus UV stabilisers which are soluble or partially soluble in the polymer e. Such a procedure however is highly energy-consuming and cross contamination may occur. A mould is charged with polymer powder, closed and placed in an oven where it is rotated so as to distribute the polymer powder over the mould surface.