JPH06501020A - N−ハロキトサン類、それらの製造および用途 - Google Patents
N−ハロキトサン類、それらの製造および用途Info
- Publication number
- JPH06501020A JPH06501020A JP4501873A JP50187392A JPH06501020A JP H06501020 A JPH06501020 A JP H06501020A JP 4501873 A JP4501873 A JP 4501873A JP 50187392 A JP50187392 A JP 50187392A JP H06501020 A JPH06501020 A JP H06501020A
- Authority
- JP
- Japan
- Prior art keywords
- chitosan
- deoxy
- aminoglucose
- halochitosan
- halogenating agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Polymers & Plastics (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
Claims (8)
- 1.N−ハロキトサン。
- 2.1〜35%の2−デオキシ−2−アセタミドグルコースモノマー単位、1〜 90%の2−デオキシ−2−アミノグルコースモノマー単位および8〜98%の 2−デオキシ−2−ハロアミノグルコースモノマー単位(ここでハロアミノ基は クロロアミノまたはブロモアミノである)より成るポリマー組成物。
- 3.約25%の2−デオキシ−2−アセタミドグルコースモノマー単位を含み、 残部が2−デオキシ−2−アミノグルコースモノマー単位および2−クロロ−2 −アミノグルコースモノマー単位であるN−ハロキトサン。
- 4.キトサンまたはキトサン塩をハロゲン化剤と反応させることより成るN−ハ ロキトサンの製造方法。
- 5.ハロゲン化剤が次亜塩素酸ナトリウムである請求項4記載の方法。
- 6.キトサン塩の水性溶液を凝集されるべき材料と混合し、次いでハロゲン化剤 を添加する段階を含んで成る凝集操作方法。
- 7.凝集されるべき材料が油である請求項6記載の凝集操作方法。
- 8.凝集されるべき材料が藻類である請求項6記載の凝集操作方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US613602 | 1990-11-14 | ||
US07/613,602 US5204452A (en) | 1990-11-14 | 1990-11-14 | N-halochitosans, their preparation and uses |
PCT/US1991/008240 WO1992008742A1 (en) | 1990-11-14 | 1991-11-13 | N-halochitosans, their preparation and uses |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06501020A true JPH06501020A (ja) | 1994-01-27 |
JPH0742325B2 JPH0742325B2 (ja) | 1995-05-10 |
Family
ID=24457947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4501873A Expired - Fee Related JPH0742325B2 (ja) | 1990-11-14 | 1991-11-13 | N−ハロキトサン類、それらの製造および用途 |
Country Status (7)
Country | Link |
---|---|
US (2) | US5204452A (ja) |
EP (1) | EP0557441B1 (ja) |
JP (1) | JPH0742325B2 (ja) |
AU (1) | AU9075591A (ja) |
CA (1) | CA2095636C (ja) |
DE (1) | DE69109691T2 (ja) |
WO (1) | WO1992008742A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013522039A (ja) * | 2010-03-22 | 2013-06-13 | ウォーター・セキュリティ・コーポレーション | ハロゲン放出システムおよびキトサンを含むフィルタ |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5336415A (en) * | 1993-02-10 | 1994-08-09 | Vanson L.P. | Removing polyvalent metals from aqueous waste streams with chitosan and halogenating agents |
US5393435A (en) * | 1993-09-17 | 1995-02-28 | Vanson L.P. | Removal of organic contaminants from aqueous media |
US5543056A (en) * | 1994-06-29 | 1996-08-06 | Massachusetts Institute Of Technology | Method of drinking water treatment with natural cationic polymers |
TW389694B (en) * | 1995-08-17 | 2000-05-11 | Novartis Ag | Compositions including o-carboxyalkyl chitosan and methods of use in ophthalmics |
JP3012924B2 (ja) * | 1998-02-25 | 2000-02-28 | 農林水産省食品総合研究所長 | 2−メチル−{4−O−(2−アミノ−2−デオキシ−β−グルコピラノシル)−1、2−ジデオキシ−α−グルコピラノ}(2、1−d)−2−オキサゾリンおよびその塩 |
US6132625A (en) * | 1998-05-28 | 2000-10-17 | E. I. Du Pont De Nemours And Company | Method for treatment of aqueous streams comprising biosolids |
US6203711B1 (en) | 1999-05-21 | 2001-03-20 | E. I. Du Pont De Nemours And Company | Method for treatment of substantially aqueous fluids derived from processing inorganic materials |
US6780330B2 (en) | 2001-03-09 | 2004-08-24 | E. I. Du Pont De Nemours And Company | Removal of biomaterials from aqueous streams |
US6846420B2 (en) * | 2002-12-19 | 2005-01-25 | Halliburton Energy Services, Inc. | Process for removing oil from solid materials recovered from a well bore |
US7157009B2 (en) * | 2004-04-30 | 2007-01-02 | Vanson Halosource, Inc. | Method for removing Cryptosporidium oocysts from water |
US7192527B2 (en) * | 2004-08-10 | 2007-03-20 | Halliburton Energy Services, Inc. | Processes for removing oil from solid wellbore materials and produced water |
US20110006013A1 (en) * | 2005-02-15 | 2011-01-13 | Halosource, Inc. | Method for the removal of submicron particulates from chlorinated water by sequentially adding a cationic polymer followed by adding an anionic polymer |
BRPI0608211A2 (pt) * | 2005-02-15 | 2009-12-01 | Halosource Inc | método para a remoção de materiais em partìculas de submicron a partir de água clorada pela adição seqüêncial de um polìmero catiÈnico seguido pela adição de um polìmero aniÈnico |
US7384573B2 (en) * | 2005-04-18 | 2008-06-10 | Ken Brummett | Compositions for wastewater treatment |
US20080023408A1 (en) * | 2006-01-13 | 2008-01-31 | Vanson Halosource, Inc. | Catch basin insert for treating storm water |
US8549673B2 (en) * | 2006-11-07 | 2013-10-08 | E I Du Pont De Nemours And Company | Protective articles containing N-halochitosan |
US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants |
US20100155330A1 (en) * | 2008-11-11 | 2010-06-24 | Molycorp Minerals, Llc | Target material removal using rare earth metals |
US8281515B2 (en) * | 2009-06-26 | 2012-10-09 | Halosource, Inc. | Methods for growing and harvesting algae and methods of use |
BRPI1015574A2 (pt) | 2009-07-06 | 2019-09-24 | Halosource Inc | sistema de duplo polímero para recuperação de águas e de separação de sólidos em suspensão em meios aquosos. |
US8858802B2 (en) * | 2009-12-18 | 2014-10-14 | General Electric Company | Deoiling of SAGD produce water |
US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
WO2013116619A1 (en) * | 2012-02-03 | 2013-08-08 | The Research Foundation Of State University Of New York | Electrochemical synthesis of chloro-chitosan |
WO2013119704A2 (en) * | 2012-02-06 | 2013-08-15 | Water Security Corporation | Methods of improving chitosan for water purification |
US10118849B2 (en) * | 2013-04-26 | 2018-11-06 | Arch Chemicals, Inc. | Method and kit for treating recreational water |
CN103421127A (zh) * | 2013-06-21 | 2013-12-04 | 武汉理工大学 | 阴离子型壳聚糖水处理絮凝剂的制备方法 |
BR112016020631A2 (pt) | 2014-03-07 | 2018-05-15 | Secure Natural Resources Llc | óxido de cério (iv) com excepcionais propriedades de remoção de arsênico |
CN108558026A (zh) * | 2018-04-20 | 2018-09-21 | 裴泽民 | 一种灭藻剂的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4275194A (en) * | 1977-11-26 | 1981-06-23 | Nihon Tennen Gas Kogyo Co., Ltd. | Chitosan-iodine adduct |
JPS60186504A (ja) * | 1984-03-07 | 1985-09-24 | Lion Corp | 低分子化キトサンの製造方法 |
JP2521764B2 (ja) * | 1987-07-02 | 1996-08-07 | 北海道曹達株式会社 | 低分子化キトサンの製造方法 |
US4931551A (en) * | 1988-07-05 | 1990-06-05 | University Of Delaware | Dispersions of chitin and product therefrom |
-
1990
- 1990-11-14 US US07/613,602 patent/US5204452A/en not_active Expired - Lifetime
-
1991
- 1991-11-13 CA CA002095636A patent/CA2095636C/en not_active Expired - Lifetime
- 1991-11-13 AU AU90755/91A patent/AU9075591A/en not_active Abandoned
- 1991-11-13 JP JP4501873A patent/JPH0742325B2/ja not_active Expired - Fee Related
- 1991-11-13 EP EP92900988A patent/EP0557441B1/en not_active Expired - Lifetime
- 1991-11-13 DE DE69109691T patent/DE69109691T2/de not_active Expired - Lifetime
- 1991-11-13 WO PCT/US1991/008240 patent/WO1992008742A1/en active IP Right Grant
-
1993
- 1993-02-24 US US08/021,825 patent/US5362717A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013522039A (ja) * | 2010-03-22 | 2013-06-13 | ウォーター・セキュリティ・コーポレーション | ハロゲン放出システムおよびキトサンを含むフィルタ |
JP2016165729A (ja) * | 2010-03-22 | 2016-09-15 | ウォーター・セキュリティ・コーポレーション | ハロゲン放出システムおよびキトサンを含むフィルタ |
Also Published As
Publication number | Publication date |
---|---|
WO1992008742A1 (en) | 1992-05-29 |
JPH0742325B2 (ja) | 1995-05-10 |
US5204452A (en) | 1993-04-20 |
EP0557441B1 (en) | 1995-05-10 |
CA2095636C (en) | 1996-12-10 |
DE69109691T2 (de) | 1995-12-21 |
US5362717A (en) | 1994-11-08 |
DE69109691D1 (de) | 1995-06-14 |
AU9075591A (en) | 1992-06-11 |
EP0557441A1 (en) | 1993-09-01 |
CA2095636A1 (en) | 1992-05-15 |
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