Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1979-08-24
1981-11-10
Silverberg, Sam
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
427212, 427220, 260 4214, 106308Q, B05D 700, B32B 516
Patent
active
042998859
ABSTRACT:
An improved polymer additive characterized by excellent stability to hydrolysis. Dialkyl pentaerythritol diphosphites are encapsulated in a petroleum or ester wax and thereby rendered relatively immune to decomposition under ordinary conditions of storage. At the same time, the wax coating is sufficiently low melting as to present no problem during milling operations at elevated temperatures, for example, where the heat stabilizing qualities of the dialkyl pentaerythritol diphosphite are required.
REFERENCES:
patent: 1692996 (1928-11-01), Richardson
Delaere Jacques
Kromolicki Zigmunt K.
Sahajpal Ved K.
Settels Mattheus R.
Borg-Warner Chemicals, Inc.
Shekleton Joseph
Silverberg Sam
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