FIBER

• Main Authors: IWAI MASAHIRO, KANEMATSU SHUNSUKE, ONO YUHEI, SHOJI SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 08.06.2017
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; NATURAL OR ARTIFICIAL THREADS OR FIBRES; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SPINNING; TEXTILES

PROBLEM TO BE SOLVED: To provide a fiber having indispensable performances for an injection fluid such as adding transportation of a proppant, dispersibility and dispersion stability and having controlled hydrolysis resistance with being decomposed and water solubilized quickly after functioning for a certain term in hot water at high temperature.SOLUTION: There is provided a fiber having straightness after 2 hours in hot water at 175°C of 50% or more and weight of non-water soluble component derived from the fiber after 48 hours in hot water at 175°C of 20% or less.SELECTED DRAWING: None 【課題】 プロパントの運搬、分散性、分散安定性を付与するという圧入流体に不可欠な性能を備えているとともに、高温の熱水中で一定期間機能した後、速やかに分解・水溶化する耐加水分解性がコントロールされた繊維を提供すること。【解決手段】 １７５℃の熱水中２時間後の直線度が５０％以上であり、１７５℃の熱水中において４８時間後の繊維由来の非水溶分の重量が２０％以下である、繊維。【選択図】なし