The present invention relates to a stabilizer system for halogenated polymers comprising, as component (A), calcium monocarbonatohydroxodialuminate of the formula (A)
Ca
m
Al
2
(OH)
6+2(m−1)
CO
3*
n
H
2
O (A),
where m=from 3.8 to 4.2, and n=from 0 to 3, and,
as component (B), a catena-2,2′,2″-nitrilotrisethanolperchloratolithium or -sodium coordination polymer (B1) with a monomer unit of the formula
where Mt=Li or Na, An=OClO
3
and q=1, and/or a quaternary or ternary ammonium or phosphonium perchlorate (B2).
The present invention further relates to compositions and articles comprising these stabilizer systems, and to the use of the systems and compositions.
A Clean, Highly Efficient and One-Pot Green Synthesis of Aryl/Alkyl/Heteroaryl-Substituted Bis(6-amino-1,3-dimethyluracil-5-yl)methanes in Water
作者:Subrata Das、Ashim Jyoti Thakur
DOI:10.1002/ejoc.201001581
日期:2011.4
A highlyefficient green synthesis of aryl/alkyl/heteroaryl-substituted bis(6-amino-1,3-dimethyluracil-5-yl)methanes by the condensation of 6-amino-1,3-dimethyluracil with aldehydes (aromatic, aliphatic and heterocyclic) in water at room temperature is described. No dehydrating agent, heat, catalyst, surfactant or additive was used. The structures of the compounds were established by spectroscopic