Selective oxidation of sodium sulfide in kraft cooking liquors
申请人:Mehrer Mathias
公开号:US20050228086A1
公开(公告)日:2005-10-13
The present invention describes a process for preparing a synergistic stabilizer mixture comprising the components of the general formulae (I), (II) and (III) in accordance with claim 1, characterized by the reaction of compounds of the formula (V)
with an epihalohydrin of the formula (VI)
in the presence of a phase transfer catalyst and from 4 to 20 times the molar amount of an alkali metal hydroxide, relative to compound (V), at from 20 to 220° C. Removal of the excess epihalohydrin and phase separation are followed by polymerization at from 100 to 240° C.
SELECTIVE OXIDATION OF SODIUM SULFIDE IN KRAFT COOKING LIQUORS
申请人:Clariant GmbH
公开号:EP1474471A1
公开(公告)日:2004-11-10
PROCESS FOR PREPARING A SYNERGISTIC STABILIZER MIXTURE
申请人:Clariant Produkte (Deutschland) GmbH
公开号:EP1474471B8
公开(公告)日:2006-10-04
Process For Preparing A Polypropylene-Based Object Having An Increased Surface Energy
申请人:CLARIANT INTERNATIONAL LTD
公开号:US20150252066A1
公开(公告)日:2015-09-10
Process for preparing a polypropylene-based object having an increased surface energy
The present invention relates to a process for preparing a polypropylene-based object having an increased surface energy, said process comprising the subsequent steps of
a) providing a polypropylene resin,
b) forming an object of said polypropylene resin, and
c) subjecting the surface of the object to a surface energy increasing treatment step,
Characterized in that the polypropylene resin comprises
A) at least one secondary antioxidant of formula (I)
in which
n is 0 or 1,
each R may be the same or different and is an unsubstituted phenyl group or a phenyl group substituted by one or two alkyl groups having from 1 to 12 carbon atoms, and
X is a residue of a monofunctional or difunctional phenyl group, diphenyl group, diphenyl ether group or dibenzofuranyl group
and/or of formula (II)