MX167235B - Polimeros absorbentes de tratados superficialmente - Google Patents

Polimeros absorbentes de tratados superficialmente

Info

Publication number
MX167235B
MX167235B MX004150A MX415086A MX167235B MX 167235 B MX167235 B MX 167235B MX 004150 A MX004150 A MX 004150A MX 415086 A MX415086 A MX 415086A MX 167235 B MX167235 B MX 167235B
Authority
MX
Mexico
Prior art keywords
water
plus
amount
monomer mixture
weight
Prior art date
Application number
MX004150A
Other languages
English (en)
Inventor
William Alexander
Mark Anderson
Barbara R Regan
Original Assignee
American Colloid Co
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 American Colloid Co filed Critical American Colloid Co
Publication of MX167235B publication Critical patent/MX167235B/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
    • C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Graft Or Block Polymers (AREA)
  • Polymerisation Methods In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

La presente invención se refiere a un método para mejorar las propiedades de absorción de agua de una resina absorbente de agua, el cual comprende el tratamiento superficial de la resina absorbente de agua con una cantidad suficiente de una amina policuaternaria, para incrementar substancialmente la absorción de agua de dicha resina absorbente de agua. Un proceso para preparar una resina cruzada sólida absorbente de agua, el cual comprende: combinar una mezcla de monómero de (A) acrilato de potasio; (B) estireno y/o metacrilato de metilo en una cantidad del 0 al 25 por ciento basándose en la cantidad de acrialto computada basada en el peso del ácido acrílico; y (C) un monómero de polivinilo, con agua en una cantidad de por lo menos 30 por ciento en peso combinado de (A) más (B) más (C), basándose en el peso total de (A) más (B) más (C) más agua, para formar una mezcla de monómero caracterizada porque los monómeros de la mezcla de monómero consisten esencialmente en (A), (B) y (C); añadir un iniciador de polimerización a dicha mezcla de monóemro, copolimerizar dicha mezcla de monómero utilizando el calor exotérmico de reacción; y poner dicho copolímero de resina cruzada en contacto con una amina policuaternaria en una cantidad desde aproximadamente el 0.1 hasta aproximadamente el 5.0 por ciento basándose en el peso de dicho copolímero de resina cruzada.
MX004150A 1986-06-10 1986-10-24 Polimeros absorbentes de tratados superficialmente MX167235B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/872,654 US4755562A (en) 1986-06-10 1986-06-10 Surface treated absorbent polymers

Publications (1)

Publication Number Publication Date
MX167235B true MX167235B (es) 1993-03-11

Family

ID=25360045

Family Applications (1)

Application Number Title Priority Date Filing Date
MX004150A MX167235B (es) 1986-06-10 1986-10-24 Polimeros absorbentes de tratados superficialmente

Country Status (6)

Country Link
US (2) US4755562A (es)
EP (1) EP0248963B1 (es)
AT (1) ATE81137T1 (es)
CA (1) CA1276370C (es)
DE (1) DE3686884T2 (es)
MX (1) MX167235B (es)

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Also Published As

Publication number Publication date
DE3686884D1 (de) 1992-11-05
US4824901A (en) 1989-04-25
DE3686884T2 (de) 1993-02-25
EP0248963B1 (en) 1992-09-30
US4755562A (en) 1988-07-05
EP0248963A2 (en) 1987-12-16
ATE81137T1 (de) 1992-10-15
CA1276370C (en) 1990-11-13
EP0248963A3 (en) 1989-07-12

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