Examples of 'chain branching' in a sentence
Meaning of "chain branching"
A term often used in chemistry to describe a specific type of molecular structure in a polymer chain. It refers to the presence of side chains attached to the main polymer backbone, resulting in a branched or more complex structure
How to use "chain branching" in a sentence
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chain branching
The resins are thought to contain long chain branching.
No short chain branching were detected.
This data indicates the absence of long chain branching.
The level of long chain branching is thereafter determined by subtraction.
These changes may be associated with long chain branching.
The invention relates to a chain branching agent containing anhydride groups.
Another variable in polyvinyl chloride is the degree of chain branching.
These functional comonomers promote long chain branching of the polypropylene molecules.
Crystalline polypropylene polymer is recovered containing long chain branching.
Chain branching significantly alters the molecular size to molecular weight relationship.
To quantify long chain branching.
Chain branching may have been effected with the customary branching agents.
This is indicative of an increase in the level of long chain branching.
The incidence of long chain branching can be increased by careful control of processing conditions.
This shows that the irradiation increases long chain branching.
See also
The film has limited short chain branching and a low relaxation time.
These two subgroups differ in the amount of long chain branching.
In an effort to quantify long chain branching the term branching index will be used.
The preferred resins will have no detectable long chain branching.
Mixtures of the chain branching and chain terminating agents may also be used.
The branching index quantifies the degree of long chain branching.
Short chain branching levels were calculated by subtracting out methyl chain end contributions.
The first component is substantially free of any long chain branching.
Preferred polyolefin products have long chain branching and reverse molecular architecture.
This latter quantity is not significantly affected by long chain branching.
There can be also varying degrees of chain branching depending upon the production conditions.
Substantially linear ethylene polymers are homogeneous polymers having long chain branching.
These polymers have a narrow short chain branching distribution and an absence of long chain branching.
Substantially linear ethylene interpolymers are homogeneous interpolymers having long chain branching.
The long chain branching index is related to the viscosity enhancement from long chain branching.
The second component is preferably substantially free of any long chain branching.
The short chain branching content was measured by NMR.
Some embodiments use higher amounts of diluent to promote long chain branching.
The presence of the long chain branching is indicated by RDA analysis.
The lower molecular weight component does not have any long chain branching.
In particular, long chain branching has a significant contribution.
Polymerization catalysts for producing polymers with low levels of long chain branching.
A process as claimed in claim 2, wherein the chain branching agent comprises trimethyl trimellitate.
It has a high molecular weight component which possesses high short chain branching.
As short chain branching of a polyethylene structure increases, its crystallinity and density decreases.
It does not however disclose any presence of long chain branching within the polyethylene.
Another technique for enhancing the processability of polyethylene is the introduction of long chain branching.
A LLDPE has short chain branching.
Such ethylene interpolymers are preferably substantially linear olefin polymers having long chain branching.
Preferably for use herein, long chain branching is very low.
The gpcBR branching index is a robust method for the characterization of long chain branching.
Chain branching can be introduced by including among the monomers a hydroxyalkyl monomer of formula,.
The higher molecular weight component does not have any long chain branching.
Minor amounts of chain branching agents and / or chain terminating agents may also be used.
The comonomer level can also be represented as the amount of short chain branching.
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Examples of using Chain
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