FILLER AND MANUFACTURING METHOD THEREOF

• Main Authors: TSUKAMOTO HIROAKI, TSUKAMOTO KATSURO
• Format: Patent
• Language: English; Japanese
• Published: 07.02.2019
• Subjects: FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; MAKING GRANULES OR PREFORMS; MECHANICAL FINISHING OF YARNS OR ROPES; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TEXTILES; TRANSPORTING; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; WARPING OR BEAMING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; YARNS

To provide a filler obtained by cutting an open carbon fiber resin tape and being capable of, by blending with a base material containing resin, etc., enhancing properties such as flexural strength, tensile strength, electromagnetic wave shield property, electric conductive property of a base material, etc., and a manufacturing method thereof.SOLUTION: The filler of the present invention is an open carbon fiber resin material of a carbon fiber bundle being in an enlarged state, containing PVA, an alumina sol, and potassium persulfate between carbon fibers. The length of the open carbon fiber resin material is 1-30 mm and the width thereof is 3-80 mm.SELECTED DRAWING: Figure 1 【課題】樹脂等を含む基材と混合することによって、基材の曲げ強さ、引張強度、電磁波遮蔽性、及び導電性等の機能を高めることができる、開繊炭素繊維樹脂テープを裁断してなる充填材及びその製造方法に関する。【解決手段】本発明に係る充填材は、ＰＶＡとアルミナゾルと過硫酸カリウムとを炭素繊維間に含む炭素繊維束の拡開状の開繊炭素繊維樹脂材料であって、開繊炭素繊維樹脂材料の長さが１ｍｍ〜３０ｍｍであり、幅が３ｍｍ〜８０ｍｍである。【選択図】図１