METHOD FOR SIZING CARBON FIBER - TAKEMOTO OIL & FAT CO LTD

Title:

METHOD FOR SIZING CARBON FIBER

Document Type and Number:

Japanese Patent JPH0610264

Kind Code:

A

Abstract:

PURPOSE: To obtain a method for sizing carbon fiber, capable of simultaneously providing a bundling property, smoothness and an opening property to a carbon fiber and consequently preparing a thin high-quality one way prepreg sheet leaving no space among these fibers.

CONSTITUTION: A carbon fiber is treated with an aqueous solution of a sizing agent composition containing at least one kind of specific ester compound and at least one kind of specific nonionic surfactant in a weight ratio of (90/10) to (30/70). Thereby, the sizing agent composition is applied to the carbon fiber in an amount of 0.1-5.0wt.%.

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WO/2008/071652	METHOD FOR IMPROVING THE ADHESION OF CARBON FIBRES IN TERMS OF AN ORGANIC MATRIX
JP3222513	BUNDLED CARBON SHORT FIBER
JPH0649161	PHENOLIC RESIN COMPOSITION FOR CARBON FIBER REINFORCED COMPOSITE MATERIAL

Inventors:

MINAMI HIROSHI
NAKAOKA YOSHIHIKO
YAMAMOTO TSUNEYOSHI

Application Number:

JP5144593A

Publication Date:

January 18, 1994

Filing Date:

February 16, 1993

Export Citation:

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Assignee:

TAKEMOTO OIL & FAT CO LTD

International Classes:

D01F11/14; D06M13/02; D06M13/184; D06M13/224; D06M101/00; D06M101/40; (IPC1-7): D06M13/224; D01F11/14

Domestic Patent References:

JPH0712206U	1995-02-28
JPH0687543U	1994-12-22

Attorney, Agent or Firm:

Hiromasa Iriyama

Next Patent: 粗糸ボビンの糸尻保持具