Examples of 'hard segment' in a sentence
Meaning of "hard segment"
hard segment - denotes a challenging or difficult part of something, such as a task or project
How to use "hard segment" in a sentence
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hard segment
The hard segment may be comprised of polyols.
The same applies for the hard segment.
The hard segment can be either aromatic or aliphatic.
This formulation contained no hard segment anionic groups.
A long hard segment promotes the phase separated microdomain structure.
The original shape of a material is set by the hard segment.
Calculation of hard segment percentage.
The hard segment and soft segment exist in a state of copolymer.
The tensile properties are highly dependent on the hard segment content.
Or the hard segment and soft segment exist in a state of mixture.
The original shape of such polymers is set by the hard segment.
The thermoplastic hard segment is fused by heat and can be recycled.
This suggested that the decomposition temperature was affected by the hard segment.
The hard segment is crystalline and provides physical crosslinking and reinforcement.
The polyurethanes are segmented and comprise a soft segment and a hard segment.
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The soft segment was constructed by polyol and the hard segment was constructed by diisocyanate.
As the hard segment content lowers, the composition becomes softer.
The polyester derivative elastomer is a copolymer having hard segment and soft segment.
Alternatively, the hard segment and soft segment exist in a state of compound.
The polyurethane may be a segmented block or random copolymer comprising a hard segment and a soft segment.
The hard segment content is almost constant, but their structures differ.
The diisocyanate and chain extender make up the hard segment of the PUU composition.
Sometimes, however, the hard segment is amorphous and the soft segment is crystalline.
PEU compositions develop microdomains conventionally termed hard segment domains and soft segment domains.
A crystalline hard segment is usually desired to obtain elastomeric and tough, non-sticky materials.
The soft segment was constructed by EPDM and the hard segment was constructed by PP.
Alternately, the hard segment may comprise an isocyanate and both an amine and a polyol.
Hydrogen bonding between the PCL diol and the hard segment produced a high Tg.
Commonly, these hard segment components are polar and only marginally compatible with other aliphatic components.
A sufficient amount of hard segment e . g.
Thus, the hard segment may be amorphous.
The two components are a soft, nonpolar segment and a polar hard segment.
According to the invention, at least one hard segment of the block copolymer is styrene.
Preferably, the polyurethanes each comprise a soft segment and a hard segment.
Preferably, the thermoplastic elastomer has a hard segment and a flexible soft segment.
Unlike the previous materials, these prepolymers were made with a target of 31 % hard segment.
For example, the composition can include a hard segment and at least two soft segments.
In this formula, - R - represents the soft segment, or a combination of a soft segment and a hard segment.
For the temperature range investigated, increasing hard segment fraction improves selectivity but decreases permeability.
Thus, crosslinks can be more selectively introduced into the polymer block ( A ) constituting the hard segment.
Suitable diamines useful as a component of the hard segment include aliphatic, aromatic and aliphatic-aromatic amines.
Preferably, the polyester elastomer is composed of a copolymer comprising a hard segment and a soft segment.
Analysis: This was a hard segment to pin down.
SMP are characterized as phase segregated linear block co-polymers having a hard segment and a soft segment.
The melting points of the hard segment ( Tm ) are shown in Figure 3.
Thus, these results have reinforced our finding that the hard segment provides thermal stability.
The melting point of the crystalline hard segment results in flow above 175 °C.
The composition of any one of claims 2 to 6, wherein the hard segment comprises cyclic moieties.
The most preferred composition has a hard segment content of about 35 to 45 %.
Such polyurethane ureas preferably comprise a soft segment, and a hard segment comprising a diisocyanate and diamine.
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