ATE156473T1 - Verfahren zur verringerung von verunreinigungen in wässrigen monomerlösungen - Google Patents

Verfahren zur verringerung von verunreinigungen in wässrigen monomerlösungen

Info

Publication number
ATE156473T1
ATE156473T1 AT93301039T AT93301039T ATE156473T1 AT E156473 T1 ATE156473 T1 AT E156473T1 AT 93301039 T AT93301039 T AT 93301039T AT 93301039 T AT93301039 T AT 93301039T AT E156473 T1 ATE156473 T1 AT E156473T1
Authority
AT
Austria
Prior art keywords
propyl
hydrogen
aqueous monomer
monomer solutions
reducing impurities
Prior art date
Application number
AT93301039T
Other languages
English (en)
Inventor
William Bauer Jr
Nelson Ivan Quiros
Original Assignee
Rohm & Haas
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rohm & Haas filed Critical Rohm & Haas
Application granted granted Critical
Publication of ATE156473T1 publication Critical patent/ATE156473T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT93301039T 1992-04-22 1993-02-12 Verfahren zur verringerung von verunreinigungen in wässrigen monomerlösungen ATE156473T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/872,278 US5208370A (en) 1992-04-22 1992-04-22 Method of reducing impurities in aqueous acrylic monomer solutions

Publications (1)

Publication Number Publication Date
ATE156473T1 true ATE156473T1 (de) 1997-08-15

Family

ID=25359242

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93301039T ATE156473T1 (de) 1992-04-22 1993-02-12 Verfahren zur verringerung von verunreinigungen in wässrigen monomerlösungen

Country Status (7)

Country Link
US (1) US5208370A (de)
EP (1) EP0567207B1 (de)
JP (1) JP3359368B2 (de)
AT (1) ATE156473T1 (de)
BR (1) BR9300387A (de)
CA (1) CA2088106A1 (de)
DE (1) DE69312784T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358611A (en) * 1993-05-17 1994-10-25 Rohm And Haas Company Method of reducing impurities in aqueous monomer solutions
US5759358A (en) * 1994-05-31 1998-06-02 Rohm And Haas Company Process for pure grade acrylic acid
US5571386A (en) * 1994-05-31 1996-11-05 Rohm And Haas Company Process for grade acrylic acid
US6927268B2 (en) * 2000-06-21 2005-08-09 Nippon Shokubai Co., Ltd. Production process for water-absorbent resin
TWI529181B (zh) 2005-02-28 2016-04-11 贏創德固賽有限責任公司 以可更新原料為基之吸水聚合物結構及其生產的方法
JP5739600B2 (ja) * 2007-12-17 2015-06-24 三菱レイヨン株式会社 ヒドロキシエチルメタクリレートの製造方法
JP5380434B2 (ja) * 2008-04-27 2014-01-08 株式会社日本触媒 アクリル酸の製造方法ならびにその製造方法を用いた親水性樹脂の製造方法および吸水性樹脂の製造方法
SG11201507558XA (en) 2013-03-15 2015-10-29 Rohm & Haas Process for purifying (meth)acrylic acid
US9410217B2 (en) 2014-02-18 2016-08-09 Renmatix, Inc. Method of reducing a fermentation and/or enzyme inhibitor in a saccharide-containing composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2028183B2 (de) * 1969-06-10 1975-09-11 Rohm And Haas Co., Philadelphia, Pa. (V.St.A.) Verfahren zur Inhibierung der Polymerisation von Acrylsäure bei der Destillation
US3725208A (en) * 1971-08-20 1973-04-03 Nippon Kayaku Kk Process for purification of acrylic acid from aldehydes by distillation with a reagent
DE2235326A1 (de) * 1972-07-19 1974-02-07 Degussa Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren
JPS5944337A (ja) * 1982-09-06 1984-03-12 Nippon Shokubai Kagaku Kogyo Co Ltd メタクリル酸の精製方法
JPS6121855A (ja) * 1984-07-06 1986-01-30 ブラザー工業株式会社 ハンガ−コンベアシステム
DE3641996A1 (de) * 1986-12-09 1988-06-16 Basf Ag Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren
JPH0729977B2 (ja) * 1986-12-26 1995-04-05 三井東圧化学株式会社 メタクリル酸の精製方法
EP0312191B1 (de) * 1987-10-09 1992-09-16 MITSUI TOATSU CHEMICALS, Inc. Verfahren zur Reinigung von Methacrylsäure
JP3025122B2 (ja) * 1992-12-28 2000-03-27 キヤノン株式会社 光起電力素子及び発電システム
JP3062018B2 (ja) * 1994-11-11 2000-07-10 新日本製鐵株式会社 熱間圧延における板厚制御方法

Also Published As

Publication number Publication date
DE69312784D1 (de) 1997-09-11
EP0567207A2 (de) 1993-10-27
JPH05339199A (ja) 1993-12-21
CA2088106A1 (en) 1993-10-23
EP0567207B1 (de) 1997-08-06
JP3359368B2 (ja) 2002-12-24
US5208370A (en) 1993-05-04
EP0567207A3 (de) 1995-03-08
DE69312784T2 (de) 1998-03-05
BR9300387A (pt) 1993-10-26

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