Examples of 'block polymers' in a sentence
Meaning of "block polymers"
Block polymers are a type of polymer material composed of repeating units called blocks. These blocks can have different chemical properties, resulting in unique physical and mechanical properties of the overall material. Block polymers are used in various applications, such as adhesives, coatings, and flexible electronics
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- plural of block polymer
How to use "block polymers" in a sentence
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block polymers
Block polymers are commonly prepared by ionic polymerization.
A common way to describe block polymers is as follows.
Block polymers and their process of preparation.
The preferred polyols are prepared as block polymers.
Block polymers are usually prepared by ionic polymerization.
These copolymers may be block polymers or grafted polymers.
Block polymers are conventionally prepared by ionic polymerization.
Various types of block polymers are known.
Block polymers are normally prepared by ionic polymerisation.
Preparation of amphiphilic block polymers by controlled radical micellar polymerisation.
Block polymers are a preferred product of this process.
It also allows control of the molecular mass of block polymers.
They may be block polymers or random polymers.
They may be random or block oligomers or random or block polymers.
Useful block polymers can also be produced.
See also
Controlled release compositions for interferon based on block polymers.
These block polymers are in particular synthesized in the presence of isododecane.
It also allows the molecular mass of the block polymers to be controlled.
Such block polymers have been widely described in the literature.
The polymers can be in the form of triblock or multiblock block polymers.
Block polymers and cosmetic compositions and processes comprising them.
Method for synthesis of block polymers by controlled free radical polymerization.
Block polymers are made up of blocks of polymers having different functional groups.
It also enables the molar mass of the block polymers to be controlled.
The block polymers of the present invention were characterized in the following manner.
The use of lactones typically results in the formation of block polymers.
The invention therefore provides block polymers obtainable by the preceding process.
It also makes it possible to control the molecular mass of the block polymers.
Synthesis method for block polymers by controlled radical polymerization from dithioester compounds.
This process thus enables polymers different from block polymers to be obtained.
In the case of block polymers having terminal crystalline blocks this difficulty can be severe.
The process according to the invention makes possible the preparation of block polymers.
Methods for making suitable random and block polymers are known in the art.
The thermoplastic elastomers can also be polyamide block and polyether block polymers.
These are usually block polymers in which polypropylene oxide forms the central molecule section.
Combinations of the above mentioned alkylene oxides may be used in random or block polymers.
The products obtained are also block polymers and exhibit good impact strength when cold.
The invention additionally relates to a process for the preparation of these block polymers.
Block polymers of the SBS type are particularly preferred.
Highly desired nonionic surfactants also include biodegradable block polymers of propylene oxide and ethylene oxide.
The ABC block polymers form stable solutions or dispersions.
Further nonionics include polyoxyethylene polyoxypropylene block polymers such as poloxamers and Pluronics.
These block polymers are the result of bringing into contact,.
Polyethylene glycol and / or polypropylene glycol block polymers.
Technical Field This invention relates to block polymers containing both crystalline and elastomeric blocks.
Preferred polymers may be random and / or block polymers.
Coupling the Polymers Block polymers of our invention may incorporate a diene.
Products of addition of alkylene oxide or of polyalkylene oxide block polymers to polyethyleneimine ;.
Hot Melt Adhesives Block polymers are employed in hot melt adhesives.
Preferably, the amino silicones of the invention are not block polymers.
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