Examples of 'star polymer' in a sentence
Meaning of "star polymer"
star polymer: A star polymer is a type of polymer molecule with multiple arms or branches extending from a central core. These branches give the polymer a star-like appearance and can affect its properties and applications in materials science, chemistry, and industry
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- a polymer composed of star macromolecules
How to use "star polymer" in a sentence
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star polymer
Depot formulations of iloperidone and a star polymer.
The star polymer so attained can then be hydrogenated.
This results in a solution of a hybrid star polymer.
The star polymer is useful in coatings.
Stent coating containing star polymer.
The star polymer may be prepared by a number of polymerisation processes known in the art.
The radial polymer may be referred to as a star polymer.
If the arms are identical the star polymer molecule is said to be regular.
The higher molecular weight material is the desired star polymer.
It is a star polymer.
This value is really close to the value obtained for the star polymer.
The star polymer was hydrogenated using a catalyst composed of nickel octoate reduced by triethyl aluminium.
The invention also includes small cell foams comprising a hydrophobic dense star polymer and a matrix polymer.
A star polymer comprises a single branch point from which predominately linear chains emanate.
The invention further includes the polymer blends comprising a hydrophobic dense star polymer and a matrix polymer.
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In one embodiment the star polymer of the invention includes a dispersant unit derived from a monomer.
The PAMAM dendrimers are polymers that have a uniform macromolecular architecture known as a dense star polymer.
In a further aspect, a star polymer can be particle shaped.
A star polymer according to claim 1, wherein the polyalkenyl coupling agent is divinylbenzene.
Reacting the activated star polymer thus formed with,.
The polymer obtained by the process described above is a block-arm star polymer.
In one aspect, a star polymer can be generally spherical in shape.
It can alternatively be a branched polymer, for example a star polymer having three or more limbs.
Thus, the star polymer itself also has terminal functionality.
In one embodiment, the block arm star polymer consists of block arms.
Typically, the star polymer of the present invention may be formed by an arm-first process.
A process for preparing a nitrogen-containing star polymer composition comprising the steps of,.
The star polymer was characterized using size exclusion chromatography to give the following molecular weights,.
Example 2 litres of a cement containing the living star polymer was transferred to a pressure vessel.
The above-described star polymer pattern is distinct from a dendritic pattern in which branching predominates.
In a typical process, the nucleating hydrophobic dense star polymer is dispersed in the matrix polymer.
However, the temperature must be less than the degradation temperature of the dense star polymer.
In one embodiment the star polymer disclosed herein contains 0 wt % of a dispersant unit.
D is dimethylaminoethyl methacrylate ; and ** is the conversion of polymer chain to star polymer.
In one embodiment the star polymer may be obtained / obtainable from a RAFT polymerisation process.
A composition according to claim 37, wherein said second dendritic polymer is a dense star polymer.
When the star polymer is derivable from a RAFT polymerisation, chain transfer agents are important.
The appearance of the coatings prepared from the star polymer ( Polymer C ) derivative was much better.
In one embodiment the star polymer provides acceptable oil-solubility or acceptable storage stability . Star Polymer.
In one embodiment at least 25 % of the star polymer arms may be block arms.
Use of a star polymer as defined in anyone of claims 1 to 3 as a resist material.
Additive A is advantageously a block, sequenced, comb, hyperbranched or star polymer.
First stage, preparation of a star polymer with 8 poly ( isobutyl methacrylate ) branches.
The article of Claim 2, wherein the coating comprises a star polymer.
This gives a star polymer having from about 6 to as many as 50 or more arms.
This reaction incorporates - Fe ( cyclopentadiene ) 2 functionality into the core of the star polymer.
Then 40 grams of the star polymer described above was added and dissolved.
EXAMPLE 22 An example of a carboxy silane functional star polymer.
The star polymer may be prepared by an arm-first process or core-first process.
EXAMPLE 26 An example of an isocyanate silane functional star polymer.
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