摘要:
The present invention provides a photosensitive imaging element comprising on a support a two-phase layer, said two-phase layer comprising a disperse hydrophobic photopolymerizable. phase and a hydrophilic continuous phase, characterized in that the hydrophobic photopolymerizable phase comprises a multifunctional monomer with a perfluoroalkyl or perfluoroalkenyl group.
摘要:
Novel (meth)acrylates containing fluoroalkenyl groups, of the formula (I) ##STR1## in which R represents hydrogen or methyl,n represents an integer from 2 to 6,A represents a (n+1)-valent hydrocarbon radical having 3 to 30 carbon atoms which optionally contains up to 10 oxygen atoms, andR.sup.1.sub.f and R.sup.2.sub.f independently of one another each represent a perfluoroalkyl radical having 1 to 20 carbon atoms, orR.sup.1.sub.f and R.sup.2.sub.f together form a ##STR2## bridge, in which x represents an integer from 1 to 8, andR.sup.3 represents hydrogen, fluorine, chlorine or a perfluoroalkyl radical having 1 to 20 carbon atoms,a process for their preparation, and their use for the preparation of coatings.
摘要:
Novel (meth)acrylates containing fluoroalkenyl groups, of the formula (I) ##STR1## in which R represents hydrogen or methyl, n represents an integer from 2 to 6, A represents a (n+1)-valent hydrocarbon radical having 3 to 30 carbon atoms which optionally contains up to 10 oxygen atoms, and R.sup.1.sub.f and R.sup.2.sub.f independently of one another each represent a perfluoroalkyl radical having 1 to 20 carbon atoms, or R.sup.1.sub.f and R.sup.2.sub.f together form a ##STR2## bridge, in which x represents an integer from 1 to 8, and R.sup.3 represents hydrogen, fluorine, chlorine or a perfluoroalkyl radical having 1 to 20 carbon atoms, a process for their preparation, and their use for the preparation of coatings.
摘要:
The present application relates to a process for the adsorption of radionuclides from waters or aqueous solutions such as arise in nuclear plants, by contacting the water to be treated or the aqueous solutions with monodisperse, macroporous ion exchangers.
摘要:
The present invention relates to novel ion exchangers comprising carboxyl groups and also —(CH2)mNR1R2 groups having improved exchange kinetics and selectivity, a method for their production and also use thereof for the adsorption of metals, in particular arsenic, when these are additionally loaded with iron oxide/iron oxyhydroxide.
摘要翻译:本发明涉及包含羧基的新型离子交换剂以及具有改进的交换动力学和选择性的 - (CH 2)m N R 1 R 2基团,其生产方法以及它们用于吸附金属,特别是砷时,当这些还附加时 与氧化铁/羟基氧化铁。
摘要:
Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use.
摘要:
The present invention relates to mixtures of substances based on organopolysiloxane polyethers and at least one further substance or component, preferably a polymer obtained from aqueous suspension, particularly preferably crosslinked functionalized polystyrene polymer beads, and also to the use of such mixtures of substances based on organopolysiloxane polyether together with crosslinked functionalized polystyrene polymer beads as free-flowing ion exchangers or free-flowing adsorbers, particularly preferably free-flowing monodisperse or heterodisperse anion exchangers or cation exchangers, but also free-flowing mixtures of anion and cation exchangers.
摘要:
The present invention relates to novel ion exchangers comprising carboxyl groups and also —(CH2)mNR1R2 groups having improved exchange kinetics and selectivity, a method for their production and also use thereof for the adsorption of metals, in particular arsenic, when these are additionally loaded with iron oxide/iron oxyhydroxide.
摘要翻译:本发明涉及包含羧基的新型离子交换剂,并且还涉及 - (CH 2)2 NR 1 R 2 R 2 具有改进的交换动力学和选择性的组,其制备方法,并且还用于当这些还附加氧化铁/羟基氧化铁时金属的吸附,特别是砷。
摘要:
The present invention relates to a process for producing novel monodisperse weakly acidic cation exchangers of the poly(meth)acrylic acid type, the ion exchangers themselves, and also use thereof.
摘要:
The present invention relates to a process for the preparation of iron-oxide- and/or iron-oxyhydroxide-containing ion exchangers by polymerizing iron-oxide- and/or iron-oxyhydroxide-containing mixtures and functionalizing the resultant polymers.