非织造材料与工程专业英语词汇（R）——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（R）——非织造论坛整理发布，第一无纺布网！

R

Random
Without deliberate orientation.

Random laying
Forming a web in such a way that the fibres or filaments are laid in essentially random directions.

Random laid
A web in which the fibres are laid in essentially random directions.

Random laid nonwoven
A random laid web bonded by one or more techniques to provide fabric integrity.

Rayon fibre
1) A manufactured fibre composed of regenerated cellulose, as well as manufactured fibres composed of regenerated cellulose in which substituents have replaced not more than 15% of the hydrogen's of the hydroxyl groups.

2) Also any manufactured cellulose fibre including, in some cases, fibres composed of cellulose acetate (see also VISCOSE fibre). Rayon fibres include yarns and fibres made by the viscose process, the cuprammonium process and the now obsolete nitrocellulose and saponified acetate processes. Generally in the manufacture of rayon, cellulose derived from wood pulp, cotton linters, or other vegetable matter is dissolved into a viscose spinning solution. The solution is extruded into an acid-salt coagulating bath and drawn into continuous filaments.

Repellency
The ability to resist wetting and staining by materials and soils.

Resiliency
The ability of a fibre or fabric to spring back when crushed or wrinkled.

Resin
A solid or semisolid polymeric material.

Roll goods
Fabric rolled up on a core after it has been produced. It is described in terms of weight and width of the roll and the length of the material on the roll.

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