公开(公告)号：DE69111645D1

公开(公告)日：1995-09-07

申请号：DE69111645

申请日：1991-03-13

Applicant: KAO CORP

Inventor： MISHIMA MASAYUKI ,  YAMASAKI HARUMASA ,  MATSUSE TAKASHI ,  SAKUMA TADASHI ,  TOGASHI HIROYASU

IPC: C07F7/08 ,  G03G5/05 ,  G03G5/06 ,  C07F7/10 ,  G03G5/047

Abstract: A compound represented by the formula (1) : wherein Ar1 represents an arylene group; Ar2 and Ar3 independently represent an aryl group or an arylene group; R2 and R3, which may be identical or not, independently represent a hydrogen atom or an alkyl group having a carbon number of 4 or less, or R2 and R3 both represent -SiR4R5R6 (R4, R5 and R6, which may be identical or not, independently represent an alkyl group, aralkyl group or aryl group which may be substituted); R1 represents -SiR7R8R9 (R7, R8 and R9, which may be identical or not, independently represent an alkyl group, cycloalkyl group, aralkyl group or aryl group which may be substituted, or none (only in the case where R2 and R3 represent -SiR4R5R6), one or two of R7, R8 and R9 represent the following : wherein Ar1, Ar2, Ar3, R2 and R3 have the same definitions as above), a method of its production and a photoreceotor for electrophotography incorporating it as a charge transport material. The photoreceptor is very excellent in sensitivity and durability.

公开(公告)号：FR2502191B1

公开(公告)日：1986-04-18

申请号：FR8204194

申请日：1982-03-12

Applicant: KAO CORP

Inventor： NAKAYAMA MUTSUO ,  YAMAGUCHI HIROMI ,  YAMASAKI HARUMASA

IPC: C08B11/12 ,  C08B17/00 ,  C08B17/06 ,  D01F2/28 ,  D01F11/02

Abstract: Carboxymethyl cellulose fibers are manufactured by reacting a starting cellulose with an alkaline solution containing an etherifying agent dissolved therein while the cellulose is filled in a reactor and the solution is circulating by a pump so as to come into continuous contact with the cellulose.

公开(公告)号：CA1200724A

公开(公告)日：1986-02-18

申请号：CA417970

申请日：1982-12-17

Applicant: KAO CORP

Inventor： ITO OSAMU ,  YAMASAKI HARUMASA ,  MINAKATA ITSUO ,  NISHIZAWA KAZUNORI

IPC: D01F6/18 ,  D02G3/02 ,  D02G3/04 ,  D02G3/00

Abstract: The twisted yarn is prepared by twisting (1) a single yarn comprising a water-insoluble fiber having a degree of water swelling of at least 10 cc/g or (2) a plurality of single yarns comprising a waterinsoluble fiber having a degree of water swelling of at least 10 cc/g or a plurality of yarns comprising at least 50% by weight or such single yarns and water-nonswellable yarns so that the twist constant is at least 2.5.

公开(公告)号：CA1190914A

公开(公告)日：1985-07-23

申请号：CA409729

申请日：1982-08-19

Applicant: KAO CORP

Inventor： YAMASAKI HARUMASA ,  SUMIDA YUZO ,  HARADA SHOICHIRO

IPC: C08F2/00 ,  A61L15/60 ,  C08F2/32 ,  C08F20/00 ,  C08F20/02 ,  C08F220/00 ,  C08F220/04 ,  B01J20/26

Abstract: \\\\ PROCESS FOR PRODUCING WATER-ABSORBENT MATERIALS HAVING EXCELLENT WATER ABSORPTION PROPERTIES A process is disclosed for producing a waterabsorbent material by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer in a hydrocarbon or halogenated aromatic hydrocarbon in the presence of an oil-soluble cellulose ester or cellulose ether and then carrying out the polymerization using a water-soluble radical-poly-merization initiator, characterized by the feature that one or more water-soluble or water-dispersible surfactants is(are) added to the system during or after the polymerization reaction.

公开(公告)号：DE3245580A1

公开(公告)日：1983-06-30

申请号：DE3245580

申请日：1982-12-09

Applicant: KAO CORP

Inventor： ITO OSAMU ,  YAMASAKI HARUMASA ,  MINIKATA ITSUO ,  NISHIZAWA KAZUNORI

IPC: D01F6/18 ,  D02G3/02 ,  D02G3/04 ,  D01F6/16 ,  D02G3/10

公开(公告)号：FR2511687A1

公开(公告)日：1983-02-25

申请号：FR8214278

申请日：1982-08-18

Applicant: KAO CORP

Inventor： YAMASAKI HARUMASA ,  SUMIDA YUZO ,  HARADA SHOICHIRO

IPC: C08F2/00 ,  A61L15/60 ,  C08F2/32 ,  C08F20/00 ,  C08F20/02 ,  C08F220/00 ,  C08F220/04 ,  C08F2/24 ,  C08F12/04 ,  A61F13/00

Abstract: A process is disclosed for producing a water-absorbent material by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer in a hydrocarbon or halogenated aromatic hydrocarbon in the presence of an oil-soluble cellulose ester or cellulose ether and then carrying out the polymerization using a water-soluble radical-polymerization initiator, characterized by the feature that one or more water-soluble or water-dispersible surfactants is (are) added to the system during or after the polymerization reaction.

公开(公告)号：DE68922935D1

公开(公告)日：1995-07-13

申请号：DE68922935

申请日：1989-06-20

Applicant: KAO CORP

Inventor： MISHIMA MASAYUKI ,  YAMASAKI HARUMASA ,  MATSUSE TAKASHI ,  SAKUMA TADASHI ,  TOGASHI HIROYASU

IPC: C07D213/16 ,  C07D213/30 ,  C07D213/38 ,  C07D237/08 ,  C07D239/26 ,  C07D241/12 ,  C07D241/42 ,  C07D241/46 ,  C09B23/00 ,  C09B23/14 ,  G03G5/06

Abstract: A photoreceptor is useful for electrophotography and comprises (a) an electrically conductive substrate, (b) an electrric charge carrier generation layer and (c) an electric charge carrier transport layer containing therein an electric charge carrier transport compound having the formula (1): in which R1, R1 min and R1 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl or an aryl having a substituent(s), R2, R3, R2 min , R3 min , R2 sec and R3 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl, an aryl having a substituent(s), an alkenyl, an alkenyl having a substituent(s), a heterocyclic ring or a heterocyclic ring having a substituent(s), R2 and R3 may form a ring with their adjacent carbon, R2 min and R3 min may form a ring with their adjacent carbon and R2 sec and R3 sec may form a ring with their adjacent carbon, A is a trivalent, aromatic hydrocarbon group.

公开(公告)号：MX157333A

公开(公告)日：1988-11-15

申请号：MX19566882

申请日：1982-12-15

Applicant: KAO CORP

Inventor： ITO OSAMU ,  YAMASAKI HARUMASA ,  MINAKATA ITSUO ,  MISHIZAWA KAZUNORI

IPC: D01F6/18 ,  D02G3/02 ,  D02G3/04 ,  D02G3/24

公开(公告)号：FR2511687B1

公开(公告)日：1986-07-25

申请号：FR8214278

申请日：1982-08-18

Applicant: KAO CORP

Inventor： YAMASAKI HARUMASA ,  SUMIDA YUZO ,  HARADA SHOICHIRO

IPC: C08F2/00 ,  A61L15/60 ,  C08F2/32 ,  C08F20/00 ,  C08F20/02 ,  C08F220/00 ,  C08F220/04 ,  C08F2/24 ,  C08F12/04 ,  A61F13/00

Abstract: A process is disclosed for producing a water-absorbent material by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer in a hydrocarbon or halogenated aromatic hydrocarbon in the presence of an oil-soluble cellulose ester or cellulose ether and then carrying out the polymerization using a water-soluble radical-polymerization initiator, characterized by the feature that one or more water-soluble or water-dispersible surfactants is (are) added to the system during or after the polymerization reaction.

公开(公告)号：GB2104904B

公开(公告)日：1985-04-11

申请号：GB8222252

申请日：1982-08-02

Applicant: KAO CORP

Inventor： YAMASAKI HARUMASA ,  SUMIDA YUZO ,  HARADA SHIOCHIRO

IPC: C08F2/00 ,  A61L15/60 ,  C08F2/32 ,  C08F20/00 ,  C08F20/02 ,  C08F220/00 ,  C08F220/04

Abstract: A process is disclosed for producing a water-absorbent material by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer in a hydrocarbon or halogenated aromatic hydrocarbon in the presence of an oil-soluble cellulose ester or cellulose ether and then carrying out the polymerization using a water-soluble radical-polymerization initiator, characterized by the feature that one or more water-soluble or water-dispersible surfactants is (are) added to the system during or after the polymerization reaction.