Examples of 'anhydride groups' in a sentence
Meaning of "anhydride groups"
anhydride groups: Anhydride groups are chemical groups that contain the functional group composed of two acyl groups bound to an oxygen atom
How to use "anhydride groups" in a sentence
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anhydride groups
Cyclic carboxylic anhydride groups are particularly preferred.
The polymer is substantially free of acid anhydride groups.
Carboxyl or anhydride groups are preferred.
A polymer backbone having cyclic carboxylic anhydride groups.
Anhydride groups react with amino groups to form an amide linkage.
The anhydride copolymer comprises preferably maleic anhydride groups.
This means that one mmol of anhydride groups equals one mmol of acid groups.
Thermosetting compositions based on polymers containing acid anhydride groups.
The carboxylic acid anhydride groups are preferably unsaturated carboxylic acid anhydrides such as maleic anhydride.
The anhydride contains at least two cyclic carboxylic anhydride groups.
Primary and secondary amines react with anhydride groups of the polymers to form amic acids.
The invention relates to a chain branching agent containing anhydride groups.
Suitable pendant anhydride groups for the present invention include anhydrides of the aforementioned acid groups.
Preferred are those polysiloxanes which contain terminal carboxylic anhydride groups.
Infra red spectroscopy showed that all of the anhydride groups had been successfully reacted.
See also
It is obvious that this sequence in reality comprises several succinic anhydride groups.
Compounds having carboxylic acid or acid anhydride groups and acid halide groups.
The esterification reaction is promoted by introducing excess hydroxyl groups relative to anhydride groups.
The polyacrylate has functional carboxylic acid or anhydride groups which are neutralized with ammonia.
Amino functional silanes graft on polymers having carboxylic acid or anhydride groups.
Of these, the carboxyl and acid anhydride groups are preferred.
Preferred tricarboxylic compounds are those which introduce alicyclic or aliphatic carboxylic acid anhydride groups.
A first composition not containing any anhydride groups and comprising ;.
The anhydride groups can be linked by an alkyl, aryl, substituted alkyl or substituted aryl.
Infra red spectroscopy of the mixture showed that some anhydride groups remained.
The polymer comprising acid anhydride groups represents preferably between 10 to 30 parts.
These compounds may also comprise further functional groups in addition to the dicarboxylic anhydride groups.
A compound having two or more maleic anhydride groups per molecule, and.
The anhydride containing material can also be a polymeric material which contains pendant anhydride groups.
Among these, carboxylic acid groups and carboxylic anhydride groups are particularly preferable.
The polyesterimide anhydride liquid crystal polymers have terminal and / or lateral anhydride groups.
Reacting a ring opening agent with said anhydride groups to form amine groups ;.
Furthermore, the alcohols forming during crosslinking are captured by the polymers that contain anhydride groups.
Stage 2-esterification of the anhydride groups in the oil of stage 1.
The carboxyl-terminated polyesters do not contain anhydride groups.
Preferably at least 50 % of the dicarboxylic anhydride groups are reacted with the fluoroaliphatic group-containing reactant.
Preferably, the reactive groups are carboxyl or acid anhydride groups.
A process for producing graft copolymers containing anhydride groups comprising,.
In functionalizing this rubber, maleic anhydride reacts through the double bonds, forming succinic anhydride groups.
The central moiety is linked to at least 3 non-cyclic anhydride groups on average.
Alkenyl succinic anhydrides ( ASA ) are composed of unsaturated hydrocarbon chains containing pendant succinic anhydride groups.
When the reactive groups are anhydride monomer units, they are anhydride groups of maleic acid.
In one embodiment, the functionalized ethylene-based polymer of component A comprises COOH groups and / or anhydride groups.
The process of this invention for making graft copolymers containing anhydride groups comprises,.
Also, the acid functional crosslinker and / or glycidyl functional binder may contain anhydride groups.
The copolymer has also to comprise carboxyl groups and / or anhydride groups.
A method according to claim 2 wherein the polyimide contains terminal anhydride groups.
Example 2, preparation of a polymer membrane having anhydride groups.
This results in a conversion of 98 % of carboxyl groups into acid anhydride groups.
Preference in this respect is given to hydroxyl, amino, epoxy, and carboxylic anhydride groups.
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