Examples of 'n-vinylpyrrolidone' in a sentence
Meaning of "n-vinylpyrrolidone"
N-vinylpyrrolidone is a verb used in chemistry to describe the process of adding a vinylpyrrolidone group to a molecule
How to use "n-vinylpyrrolidone" in a sentence
Basic
Advanced
n-vinylpyrrolidone
N-vinylpyrrolidone has also been used as a monofunctional monomer.
The oligomeric or polymeric chain comprises units derived from N-vinylpyrrolidone.
Copolymers of N-vinylpyrrolidone and of monomers comprising at least one fatty chain ;.
The hydrogen bond accepting monomer useful in the present invention is N-vinylpyrrolidone.
The N-vinylpyrrolidone is itself a known monomer solvent for the unsaturated polyesters.
The preparatory column is preferably filled with a macroporous co-polymer of divinylbenzene and N-vinylpyrrolidone.
Copolymers of N-vinylpyrrolidone and of at least one monomer containing at least one fatty chain ;.
Specific examples of the lactam structure-containing ethylenically unsaturated compounds include N-vinylpyrrolidone.
However preparation of N-vinylpyrrolidone involves use of acetylene gas at high temperature and pressure.
All polyvinylpyrrolidones used were essentially linear homopolymers formed by the free radical polymerisation of N-vinylpyrrolidone.
The reaction is continued until the N-vinylpyrrolidone and acrylic monomers have been completely converted.
Examples of the vinyl monomers to be copolymerized with vinyl alcohol include N-vinylpyrrolidone and acrylamide.
The nitrogenous graft copolymer includes N-vinylpyrrolidone, and the random copolymer includes N-vinylpyrrolidone with methacrylate.
Another monomeric example includes N-vinylpyrrolidone.
Copolymers of N-vinylpyrrolidone and N-vinylimidazole are also acceptable for use herein.
See also
Homopolymers and copolymers of N-vinylpyrrolidone.
Cationic polymers containing N-vinylpyrrolidone are commercially available from GAF Corp.
The films were then subjected to UV radiation in order to polymerize the N-vinylpyrrolidone.
N-vinylpyrrolidone copolymers, preferably bipolymers, are particularly used.
A preferred combination of two monomers ( a ) includes vinylimidazole and N-vinylpyrrolidone.
N-vinylpyrrolidone is lachrymatory and irritating to skin, lungs, and eyes.
Preferred hydrophilic vinyl comonomers are 2-hydroxyethyl methacylate, N-vinylpyrrolidone and acrylamide.
The N-vinylimidazole N-vinylpyrrolidone copolymers can be linear or branched.
Preferred hydrophilic vinylic comonomers are 2-hydroxyethyl methacrylate, N-vinylpyrrolidone and acrylamide.
N-vinylpyrrolidone and N-vinylcaprolactam are particularly preferred.
Preferred hydrophilic vinyl comonomers are 2-hydroxyethyl methacrylate, N-vinylpyrrolidone and acrylamide.
Copolymers of N-vinylpyrrolidone and N-vinylimidazole polymers ( as a class, referred to as PVPVI ) are also preferred.
Polyvinylpyrrolidone ( PVP ), also known as polyvidone or povidone, is a polymer derived from N-vinylpyrrolidone monomer.
In particular, the two monomers are N-vinylpyrrolidone and N-acryloxysuccinimide.
For instance suitable nonionic monomers include acrylamide, methacrylamide, 2-hydroxyethyl acrylate and N-vinylpyrrolidone.
Particles according to claim 1, wherein the copolymer of N-vinylpyrrolidone is a copolymer with vinyl acetate.
Non-ionic monomers shown are acrylic acid, methacrylic acid, hydroxyethyl methacrylate, and N-vinylpyrrolidone.
N-vinylpyrrolidone and 1-vinylimidazole are present in excess.
The optional monomer can in particular be selected from ( meth ) acrylamide, N-vinylformamide and N-vinylpyrrolidone.
A typical ratio of N-vinylimidazole to N-vinylpyrrolidone is 9:1, although this can vary considerably.
The N-substituents may also be covalently linked such as in N-vinylpyrrolidone.
Preferably, N-vinylpyrrolidone is used.
The hydrogen bond accepting monomers used are N-vinylpyrrolidone ( NVP ).
More preferably, the monomer A comprises N-vinylpyrrolidone and optionally a N-C1-C6 alkyl acrylamide.
Preferably the N-vinyl lactams are being used, more preferably N-vinylpyrrolidone.
Vinylamine amides, in particular vinylformamide, vinylacetamide, N-vinylpyrrolidone and N-vinylcaprolactam, or more generally from,.
A method according to Claim 1, wherein said vinyl-containing monomer is N-vinylpyrrolidone.
Especially preferred monovinyl monomers are isobomyl acrylate, N-vinylpyrrolidone and N, N-dimethylacrylamide.
Unsaturated amides that may be mentioned include acrylamides, N, N-dimethylacrylamide, methylenebisacrylamide, and N-vinylpyrrolidone.
N-vinyllactams and derivatives thereof, for example N-vinylpyrrolidone and N-vinylpiperidone ;.
Nonionic monomers include acrylamide, methacrylamide, 2-hydroxy ethyl acrylate and N-vinylpyrrolidone.
PVP is a water-soluble polymer formed from N-vinylpyrrolidone monomers.
Preferred non-ionic monomers include acrylamide, methacrylamide, N, N-dimethylacrylamide and N-vinylpyrrolidone.
Aliquot I of the monomeric portion comprises methacrylamide, 1-vinylimidazole, N-vinylpyrrolidone and methacryloyloxy-propyl trimethoxysilane ( MEMO ).
In a preferred embodiment component ( A ) consists of N-vinylpyrrolidone.
