Examples of 'chain extender' in a sentence
Meaning of "chain extender"
A chain extender is a chemical additive used in polymerization reactions to increase the length or molecular weight of a polymer chain. It reacts with the polymer molecules, creating new bonds and extending the chain
How to use "chain extender" in a sentence
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chain extender
Any useful chain extender may be used.
Butane diol was used as the chain extender.
The chain extender preferably includes catechol.
The most preferred chain extender is water.
The chain extender can be a diol or a diamine.
Ethylene diamine was used as the chain extender.
The third chain extender is a cyclic chain extender.
The gel further comprises a chain extender.
The chain extender may also be branched or unbranched.
Only an amine was used as a chain extender in these examples.
Two chain extender diols are used.
Water can act as chain extender.
Preferred chain extender compounds include the diamines.
Water itself may be effective as an indirect chain extender.
The most preferred chain extender is neopentyl glycol.
See also
A chain extender can be used as a copolymerization component as desired.
The present invention optionally includes a chain extender.
Small amounts of chain extender can be advantageously used.
In preferred compositions a substantial amount of diol chain extender is used.
The chain extender diol is then added in a second stage.
The present invention includes a chain extender or crosslinker.
The chain extender may be for example dimethylolpropionic acid.
Ethylene diamine as the sole chain extender is particularly preferred.
Chain extender for the synthesis of heparinizable biocomptabible polymers.
Preferred dispersion chain extender is water and ethylene diamine.
The resin component also includes a first chain extender.
A chain extender may be included.
The foamable composition may contain a chain extender or crosslinker.
The chain extender is a diamine.
Aromatic glycols can also be used as the chain extender.
The chain extender may be a sole chain extender or mixture.
It is increased by incorporating a larger proportion of diisocyanate and chain extender.
A chain extender is also preferably present in the polyol composition.
The present invention optionally includes a chain extender or a crosslinker.
No chain extender is used.
Prepolymers prepared by reacting a polyol or chain extender with a polyisocyanate are suitable.
The chain extender may be one type or two or more types.
It further enhances dispersal of the chain extender compound in the polyamide.
The chain extender is included in at least one of the two parts.
The mixture is then used as a chain extender in a fresh polyol blend.
In such embodiments aromatic glycols can be used as the chain extender.
Includes a chain extender.
A mixture of two or more glycols may be used as the chain extender.
Said polydiene diol and said chain extender are preferably substantially immiscible.
The reaction product may advantageously be formed using a chain extender.
The amine chain extender is preferably a polyfunctional amine or a mixture of polyfunctional amines.
This step is accomplished by reacting the prepolymer with a chain extender.
Greater amounts of chain extender generally produce a higher flexural modulus elastomer.
The resins of the invention can be prepared using a chain extender.
The chain extender lends tensile strength and toughness to the elastomer.
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