Examples of 'triblock copolymers' in a sentence
Meaning of "triblock copolymers"
Triblock copolymers: A type of polymer consisting of three blocks of different chemical entities linked together
How to use "triblock copolymers" in a sentence
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triblock copolymers
Certain triblock copolymers can also suitably be used.
General operating procedure for preparing triblock copolymers.
Hydrogels of triblock copolymers can be used as thermoresponsive membrane materials.
Compositions comprising triblock copolymers.
The triblock copolymers mentioned above present some drawbacks.
The block copolymers of the invention can also be triblock copolymers.
Functionalised triblock copolymers and compositions containing such polymers.
Preferably the blend is a mixture of diblock copolymers and triblock copolymers.
Such triblock copolymers are particularly preferred according to the invention.
The most frequently used are the linear diblock or triblock copolymers.
Certain triblock copolymers are also preferred for use herein.
These copolymers are therefore preferably selected from diblock copolymers or triblock copolymers.
These triblock copolymers may be in the form of an emulsion in water.
Block copolymers can be of any type including diblock and triblock copolymers.
Triblock copolymers combining alkyl methacrylate blocks of different kinds are already known.
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Endgroup modification also influences the solubility of the triblock copolymers according to the present invention.
Most of the triblock copolymers according to the invention exhibit remarkable properties.
The following two examples illustrate the synthesis of triblock copolymers from a bifunctional chain transfer agent.
The triblock copolymers are used in some of the embodiments according to the disclosure.
GPC chromatographs of all purified triblock copolymers showed peaks that were unimodal.
The triblock copolymers include two polystyrene blocks and one elastomer block.
One possible structure of triblock copolymers is,.
The family of triblock copolymers is fully resorbable after being introduced into a patient.
The present invention also relates to triblock copolymers of formula,.
Thus obtained triblock copolymers usually have hydroxyl moieties at both extremities.
In certain embodiments, the multiblock copolymers of the present invention are triblock copolymers.
The abovementioned triblock copolymers were used both as mixing components and as reference substances.
Various steric stabilizers can be utilized, including triblock copolymers of stearyl esters.
Solubility of the triblock copolymers is tightly linked to the hydrophobicity of the polyester blocks.
Particularly preferred unhydrogenated block copolymers included styrene-butadiene-styrene triblock copolymers.
Mixtures of these triblock copolymers and diblock copolymers are especially preferred in the present compositions.
Mentioned are inter alia styrene-isoprene and styrene-butadiene di and triblock copolymers.
Both diblock and triblock copolymers are polymers with predictable molecular weights and low dispersities.
In bulk, all the stable block copolymer morphologies were observed for triblock copolymers.
The triblock copolymers absorb water to form gels which exhibit reverse thermal gelation behavior.
A process for preparing diblock and triblock copolymers comprising the steps of,.
The triblock copolymers therein give specific styrene end blocks to ethylene and butylene center blocks.
FIG . 4 represents the behaviour of the triblock copolymers as a function of the temperature.
The ABA triblock copolymers used according to the invention may be prepared by known processes.
Pluronic F surfactant refers to the solid, triblock copolymers of ethylene oxide and propylene oxide.
The triblock copolymers include 2 polystyrene blocks and an elastomer block.
The compositions shall contain additionally 4 arm radial block polymers and ABA triblock copolymers.
Alternatively the triblock copolymers may contain blends with radial block copolymer or multiblock copolymer.
FIGURE 5 shows the weight loss curves for triblock copolymers and PEO and PHB precursors.
Examples of triblock copolymers include those supplied by Shell under the trademark Kraton.
FIGURE 2 shows a typical GPC chromatogram for the PEO-PHB-PEO triblock copolymers together with the corresponding prepolymers.
The triblock copolymers included in the composition a1 preferably have a linear structure.
Thermal Stability The thermal stability of the triblock copolymers was evaluated using thermogravimetric analysis ( TGA ).
The triblock copolymers of the present invention may be similarly iodine - and bromine - substituted.
Experiment 1 ; preparation of hydrophobic bioresorbable triblock copolymers.
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Examples of using Copolymers
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Copolymers of vinyl chloride with vinyl acetate
Ionomers and styrene copolymers are also possible
Copolymers of vinyl chlonde with vinyl acetate
Examples of using Triblock
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The triblock or diblock contains little or no homopolymer
Preparation of the triblock emulsifying agent
The triblock copolymer does not contain a coupling agent
