Flock finishing

Japanese: フロック加工 - フロックかこう(英語表記)flock finishing
Flock finishing
Also called flocking. A finishing method in which short fibers (flock) are planted on fabric by applying adhesive. Most flocking is done by electrostatic flocking (electrochemical deposition) using high DC voltage, but it can also be sprayed or scattered by a compressor or by mechanical vibration. Flock printing is used for clothing and decorative items when a pattern is printed with adhesive and then flocked to create the pattern. Full-surface flocking is used for clothing, carpets, building materials, and miscellaneous goods. Short fibers include cotton, wool, rayon, and nylon. Electrostatic flocking applies a DC voltage (10 to 60 kV) to the positive electrode, grounds the negative electrode, and passes a base fabric (fabric) coated with adhesive between the electrodes. If short fibers (about 0.5 to 10 mm) are placed on the conveyor above the anode, they will fly vertically toward the cathode due to the attraction of static electricity, pierce the adhesive, and be planted. It is used not only for textile products, but also for flocking paper, wood, bamboo, metal, ceramics, rubber, plastics, etc.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
植毛加工ともいう。布地に接着剤を塗布して短繊維 (フロック) を植付ける仕上げ法。植毛は直流の高電圧を利用して行う静電植毛加工 (電着加工) が最も多いが,ほかにコンプレッサによる吹付け,散布,または機械的振動の利用などもある。接着剤で模様をプリントし,植毛で模様を出すのをフロック・プリントといい,衣料,装飾品に利用される。全面植毛は衣料のほか,カーペット,建材,雑貨品の加工に用いる。短繊維には綿,羊毛,レーヨン,ナイロンなどを使う。静電植毛は陽電極に直流電圧 (10~60kV) を加え,陰電極をアースして,この電極間に接着剤を塗布した基布 (布地) を通す。陽極上部のコンベヤ上に,短繊維 (0.5~10mm程度) をおけば,静電気の吸引力によって,陰極に向って垂直に飛び,接着剤に突刺さって植毛される。繊維製品ばかりではなく,紙,木,竹,金属,陶磁器,ゴム,プラスチックなどの植毛にも利用される。

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