公开(公告)号：JPH047399A

公开(公告)日：1992-01-10

申请号：JP10823590

申请日：1990-04-24

Applicant: KAO CORP

Inventor： MATSUNAGA AKIRA ,  KIMURA AKIO ,  SUZUE SHIGETOSHI ,  KURII ATSUSHI

IPC: C11D7/18 ,  C11D7/26 ,  C11D7/32 ,  C11D7/54 ,  D06L3/02

Abstract: PURPOSE:To obtain an oxygenated bleaching agent with no irritating odor and excellent bleaching power and stability by compounding specified org. peroxy precursor and antioxidant. CONSTITUTION:The title compsn. is obtd. by compounding an org. peroxy precursor (A) reacting with H2O2 or a peroxide forming H2O2 in an aq. soln. and forming an org. peroxy acid of formula I (wherein R is a 1-5C linear or branched alkyl or alkenyl; R is a phenylene which may be substituted with a 1-5C linear or branched alkyl; A is a 2-4C alkylene; (n) is 0-20) and an antioxidant (B). As the org. peroxy precursor, an anhydride of an org. acid of formula II (wherein R , R , A and (n) are ad defined above) or an ester of the org. acid of formula II with an alcohol of formula III (wherein R and R are each H, CH3, C2H5, OH, etc.; (l) is 1-10), an ester of the org. acid of formula II with an alcohol of formula IV (wherein (l) is as defined above), etc., are used. It has no irritating odor, is stable for storage for a long time, and can exhibit a sufficient bleaching power on the surface of a solid at low temp.

公开(公告)号：JPH03121200A

公开(公告)日：1991-05-23

申请号：JP25831889

申请日：1989-10-03

Applicant: KAO CORP

Inventor： KURII ATSUSHI ,  ITO MASAMI ,  OHIRA KOZO ,  TSUMADORI MASAKI

IPC: C11D7/54 ,  C11D17/00

Abstract: PURPOSE:To obtain a bleaching agent for toilet or piping, free from irritating odor and excellent in bleaching power by using a specified organic peracid as an active bleaching species. CONSTITUTION:A bleaching agent composition wherein the active bleaching species comprises an organic peracid of formula I, II or III wherein R is 1-5C alkl; AO is alkylene oxide; n is 0 to 20. The organic peracid can be used as it is for the composition. However, considering the storage stability of the peracid, it is more desirable that the peracid be formed during application of the composition; that is, it is desirable to jointly use hydrogen peroxide and an organic peracid precursor (bleaching activator) that reacts with hydrogen peroxide in a solution to form the organic peracid. As a peroxide that generates hydrogen peroxide in an aqueous solution, particularly sodium percarbonate, sodium perborate monohydrate, and sodium perborate tetrahydrate are prefer ably used.

公开(公告)号：JPH0525498A

公开(公告)日：1993-02-02

申请号：JP17825191

申请日：1991-07-18

Applicant: KAO CORP

Inventor： KURII ATSUSHI ,  OHIRA KOZO ,  TSUMADORI MASAKI

IPC: C11D7/54

Abstract: PURPOSE:To obtain the subject composition which has a high bleaching power and no irritative small and is suitable for the removal of dirt on the hard surfaces of toilets, baths, etc., by mixing an H2O2-related compound, an organic peroxy acid precursor, a water-soluble salt containing a transition metal atom, and a surfactant. CONSTITUTION:The objective composition comprises (A) H2O2 or a peroxide (e.g. sodium percarbonate), (B) an organic peroxy acid precursor which reacts with H2O2 to produce an organic peroxy acid of the formula (wherein R is a 1-5C alkyl or alkenyl group that may be substituted; R is a 1-8C alkylene group that may be substituted or a phenylene group that may be substituted by a 1-5C alkyl; A is a 2-4C alkylene group; and (n) is 0-100) (e.g. ethylene glycol diester of methoxyacetic acid), (C) a water-soluble salt containing a transition metal atom (e.g. ferric chloride), and (D) a surfactant (e.g. lauryl glycoside). The effective oxygen concentration in use should be adjusted to 0.1-3wt.%. For use, the components A and B are mixed together, and water is added to the mixture as required. The resultant mixture is applied to a surface to be bleached and cleaned, to which the component C is then applied.

公开(公告)号：JPH0525497A

公开(公告)日：1993-02-02

申请号：JP17825091

申请日：1991-07-18

Applicant: KAO CORP

Inventor： ITO MASAMI ,  KURII ATSUSHI ,  OHIRA KOZO ,  TSUMADORI MASAKI

IPC: C11D7/54

Abstract: PURPOSE:To improve the effect of bleaching and cleaning a hard surface by treating the surface with an aqueous solution of a specific organic peroxy acid under specified conditions. CONSTITUTION:A bleaching agent composition comprising H2O2 or a peroxide (e.g. sodium percarbonate) and an organic peroxy acid precursor which reacts with H2O2 to yield an organic peroxy acid of the formula (wherein R is a 1-5C alkyl or alkenyl group that may be substituted; R is a 1-8C alkylene group that may be substituted or a phenylene group that may be substituted by a 1-5C alkyl; A is a 2-4C alkylene group; and (n) is 0-100) (e.g. diester of 3,6-dioxaheptanoic acid with ethylene glycol) is used in two ways. One process comprises bringing a hard surface into contact with an aqueous solution of the bleaching agent composition having a pH of 7.5 or more, allowing the system to stand for 5-30min, reducing the pH of the solution to less than 7.5, allowing the system to stand for 5-60min, and rinsing the surface. Another process comprises allowing an aqueous solution of the bleaching agent composition having a pH of 7.5 or more to stand for 5-30min, reducing the pH to less than 7.5, bringing a hard surface into contact with the resulting solution for 5-6min, and rinsing the surface.

公开(公告)号：JPH02252800A

公开(公告)日：1990-10-11

申请号：JP7464189

申请日：1989-03-27

Applicant: KAO CORP

Inventor： KURII ATSUSHI ,  NOMURA NOBORU

IPC: C11D7/54 ,  C07C409/24 ,  C11D3/39

Abstract: PURPOSE:To obtain the title composition having no irritating odor and excellent in bleaching power by using a specified organic peracid as bleaching activator species. CONSTITUTION:A bleaching activator species is selected from peracids shown by formulas I to III (wherein R is 1-5C alkyl; n is 1 to 20 when R is 1-2C alkyl, and O to 20 when R is 3-5C alkyl).

公开(公告)号：JP2551991B2

公开(公告)日：1996-11-06

申请号：JP1564289

申请日：1989-01-25

Applicant: KAO CORP

Inventor： KURII ATSUSHI ,  NOMURA NOBORU ,  TSUMADORI MASAKI

IPC: C11D3/39 ,  C11D3/395

公开(公告)号：JPH0397798A

公开(公告)日：1991-04-23

申请号：JP23536289

申请日：1989-09-11

Applicant: KAO CORP

Inventor： KURII ATSUSHI ,  ITO MASAMI ,  OHIRA KOZO ,  TSUMADORI MASAKI

IPC: C11D7/18 ,  C11D7/54

Abstract: PURPOSE:To provide the subject composition free from an irritative odor and having a persistent and excellent bleaching force by comprising a specific organic peracid as a bleaching-active species. CONSTITUTION:The objective composition comprises an organic peracid of the formula [R1 is 1-22C hydrocarbon; AO is alkylene oxide; n is an integer of 0-100; R2 is 1-8C alkylene (but when R2 is methylene, R1 is 6-22C hydrocarbon and n is an integer of 0-100, or R1 is 1-5C hydrocarbon and n is an integer of 21-100, when n is 0, R2 is 3-8C alkylene)].