The whiteness and stability of a polyolefin have been found to be improved upon addition of a first phosphite, an arylalkyl diphosphite, and a second phosphite selected from the group consisting of a second arylalkyl diphosphite and a triarylphosphite. In addition, the addition of a triarylphosphite with an arylalkyl diphosphite has as been found to improve the hygroscopic nature and the hydrolytic stability of the arylalkyl diphosphite.

Die Weiße und die Stabilität eines Polyolefins sind gefunden worden, nach Hinzufügung eines ersten Phosphits, des arylalkyl diphosphite und des zweiten Phosphits verbessert zu werden, das von der Gruppe vorgewählt wird, die aus einem zweiten arylalkyl diphosphite und einem triarylphosphite besteht. Zusätzlich hat die Hinzufügung eines triarylphosphite mit einem arylalkyl diphosphite, wie gefunden, um die hygroskopische Natur und die hydrolytische Stabilität des arylalkyl diphosphite zu verbessern.

 
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< Electro-optical glazing structures having bi-directional control of electromagnetic radiation during total-reflection, semi-transparent and totally-transparent modes of operation

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> Integrated camera circuit including image sensor, image processing, and printer drive circuits

> IMAGE FORMING APPARATUS HAVING A MEMBER TO BE CHARGED, INJECTION CHARGING MEANS HAVING AN ELASTIC MEMBER FOR PRESS-CONTACTING THE MEMBER TO BE CHARGED, AND ELECTROCONDUCTIVE PARTICLES BETWEEN THE ELASTIC MEMBER AND THE MEMBER TO BE CHARGED

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