非织造材料与工程专业英语词汇（H）——非织造论坛整理发布，第一无纺布网！

非织造材料与工程专业英语词汇（H）——非织造论坛整理发布，第一无纺布网！

H

Hand
Qualities of a fabric perceived by touch, e.g. softness, firmness, stretch, resilience and drape.

Heat resistance
The ability to resist degradation at high temperatures.

Heat setting
Process by which fibres or fabrics are heated to a final crimp or molecular configuration so as to minimise changes in shape during use.

Heat sink
A means of dissipating heat generated in a reaction normally within the reaction system.

Heat stabilized
The ability of a fabric to resist shrinking or stretching under a mechanical or chemical stress. This property is obtained by prior heat treatment or with a chemical additive.

Hemicellulose
Lower molecular weight cellulose material soluble in sodium hydroxide solution.

Hemming
To sew the edge of a fabric.

Highloft
General term for low density, thick or bulky fabrics.

Homopolymer
A polymer chain made up of monomeric units from one monomer only e.g. polyethylene.

Hot-melt adhesive
A solid material that melts quickly upon heating, then sets to a firm bond upon cooling. Used for almost instantaneous bonding.

Hopper
Structure used to contain material prior to being fed into the process i.e. polypropylene polymer chips prior to fibre spinning.

Hydration
The incorporation of molecular water into a complex molecule with the molecules or units of another species.

Hydroentangling
Method of bonding a web of fibres or filaments by entangling them by using high-pressure water jets. A preformed web is entangled by means of high pressure, columnar water jets. As the jets penetrate the web, fibre segments are carried by the highly turbulent fluid and become entangled on a semimicro scale. In addition to bonding the web, which needs little or no additional binder, the process can also be used to impart a pattern to the web.

Hydroentangled
A web of fibres or filaments bonded by hydroentangling.

Hydroentangled nonwoven
A web bonded by hydroentanglement. It may additionally be bonded by other techniques.

Hydrophilic
Having an affinity for being wetted by water or for absorbing water.

Hydrophobic
Lacking the affinity for being wetted by water or for absorbing water.

Hydrophobes
Species in a system that exhibit hydrophobic characteristics.

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