IN2014CN00685A - - Google Patents

Info

Publication number
IN2014CN00685A
IN2014CN00685A IN685CHN2014A IN2014CN00685A IN 2014CN00685 A IN2014CN00685 A IN 2014CN00685A IN 685CHN2014 A IN685CHN2014 A IN 685CHN2014A IN 2014CN00685 A IN2014CN00685 A IN 2014CN00685A
Authority
IN
India
Prior art keywords
atomizer
rotary
rotary atomizer
antiblocking
conveyed
Prior art date
Application number
Inventor
Michael Herbert
Jochen Ring
Stefan Killat
Bernd Gerstenberger
Original Assignee
Wacker Chemie Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46601795&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2014CN00685(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wacker Chemie Ag filed Critical Wacker Chemie Ag
Publication of IN2014CN00685A publication Critical patent/IN2014CN00685A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/026—Arrangements for charging or discharging the materials to be dried, e.g. discharging by reversing drum rotation, using spiral-type inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2331/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
    • C08J2331/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
    • C08J2331/04—Homopolymers or copolymers of vinyl acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Glanulating (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention provides a process for producing dispersion powders by means of spray drying of aqueous polymer dispersions and addition of antiblocking agents in a rotary atomization dryer characterized in that the antiblocking agent is conveyed by means of delivery air wholly or partly into an annular gap which is formed by a moulding arranged concentrically around the housing of the rotary atomizer and which ends at a distance above the upper edge of the atomizer plate of the rotary atomizer.
IN685CHN2014 2011-08-01 2012-07-25 IN2014CN00685A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011080235A DE102011080235A1 (en) 2011-08-01 2011-08-01 Process for the preparation of dispersion powders
PCT/EP2012/064560 WO2013017491A1 (en) 2011-08-01 2012-07-25 Process for producing dispersion powders

Publications (1)

Publication Number Publication Date
IN2014CN00685A true IN2014CN00685A (en) 2015-04-03

Family

ID=46601795

Family Applications (1)

Application Number Title Priority Date Filing Date
IN685CHN2014 IN2014CN00685A (en) 2011-08-01 2012-07-25

Country Status (9)

Country Link
US (1) US8984765B2 (en)
EP (1) EP2739673B1 (en)
CN (1) CN103649179B (en)
AU (1) AU2012292226B2 (en)
BR (1) BR112014002333B1 (en)
DE (1) DE102011080235A1 (en)
IN (1) IN2014CN00685A (en)
RU (1) RU2573024C2 (en)
WO (1) WO2013017491A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015166777A1 (en) * 2014-04-28 2015-11-05 日本ゼオン株式会社 Production method for complex particles for use in electrode of electrochemical element
WO2018113955A1 (en) 2016-12-21 2018-06-28 Wacker Chemie Ag Continuous and modular method for producing polymer powder compositions which are redispersible in water
EP3566767B1 (en) * 2017-01-06 2021-08-25 Ohkawara Kakohki Co., Ltd. Particle production apparatus and particle production method
WO2019020157A1 (en) 2017-07-24 2019-01-31 Wacker Chemie Ag Dispersion powder composition containing vinyl alcohol copolymerisate
WO2019020156A1 (en) 2017-07-24 2019-01-31 Wacker Chemie Ag Hydrophobic and cold water-soluble vinyl alcohol copolymers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK123549B (en) 1966-12-02 1972-07-03 Niro Atomizer As Atomizer wheel for simultaneous atomization of two components.
FR1546920A (en) * 1966-12-02 1968-11-22 Niro Atomizer As Two-component simultaneous atomization wheel
DD88493A1 (en) * 1971-04-30 1972-03-05 Device for agglomerating detergent and cleaner compositions in centrifugal spray driers
GB1373167A (en) * 1972-01-26 1974-11-06 Ici Ltd Manufacture of dyestuff powder
US3985703A (en) 1975-06-24 1976-10-12 Rohm And Haas Company Process for manufacture of acrylic core/shell polymers
CA2024966C (en) * 1989-10-25 1995-07-18 Gunther Schimmel Process for producing sodium silicates
DE4422438A1 (en) 1994-06-29 1996-01-04 Hoechst Ag Device and method for adding aggregates to disk atomizing dryers
DE19542442A1 (en) * 1995-11-14 1997-05-15 Wacker Chemie Gmbh Process for the preparation of water-redispersible powder compositions containing organosilicon compounds
DE102006050336A1 (en) 2006-10-25 2008-05-08 Wacker Polymer Systems Gmbh & Co. Kg Gemini surfactant-containing dispersion powder compositions
FR2929136B1 (en) 2008-03-25 2011-11-11 Sprainnov METHOD AND SPRAY HEAD, METHOD AND TOWER FOR MANUFACTURING A PULVERULENT PRODUCT

Also Published As

Publication number Publication date
CN103649179A (en) 2014-03-19
RU2014107717A (en) 2015-09-10
BR112014002333A2 (en) 2017-02-21
US8984765B2 (en) 2015-03-24
RU2573024C2 (en) 2016-01-20
AU2012292226B2 (en) 2014-07-31
CN103649179B (en) 2015-11-25
EP2739673A1 (en) 2014-06-11
DE102011080235A1 (en) 2013-02-07
WO2013017491A1 (en) 2013-02-07
US20140237847A1 (en) 2014-08-28
EP2739673B1 (en) 2015-10-07
BR112014002333B1 (en) 2020-03-17
AU2012292226A1 (en) 2014-02-20

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