IT1052561B - Composti antischiuma e la loro preparazione - Google Patents

Composti antischiuma e la loro preparazione

Info

Publication number
IT1052561B
IT1052561B IT52595/75A IT5259575A IT1052561B IT 1052561 B IT1052561 B IT 1052561B IT 52595/75 A IT52595/75 A IT 52595/75A IT 5259575 A IT5259575 A IT 5259575A IT 1052561 B IT1052561 B IT 1052561B
Authority
IT
Italy
Prior art keywords
preparation
foam compounds
foam
compounds
Prior art date
Application number
IT52595/75A
Other languages
English (en)
Original Assignee
Sandoz 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
Application filed by Sandoz Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of IT1052561B publication Critical patent/IT1052561B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/12—Defoamers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2618—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen
    • C08G65/2621—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen containing amine groups
    • C08G65/2624—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen containing amine groups containing aliphatic amine groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Polyethers (AREA)
IT52595/75A 1974-12-11 1975-12-10 Composti antischiuma e la loro preparazione IT1052561B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1646274A CH613009A5 (en) 1974-12-11 1974-12-11 Agent based on alkoxylated compounds for removing or preventing foam in the paper industry

Publications (1)

Publication Number Publication Date
IT1052561B true IT1052561B (it) 1981-07-20

Family

ID=4417589

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52595/75A IT1052561B (it) 1974-12-11 1975-12-10 Composti antischiuma e la loro preparazione

Country Status (9)

Country Link
JP (1) JPS5183699A (it)
BE (1) BE836425A (it)
CH (1) CH613009A5 (it)
DE (1) DE2553994A1 (it)
FR (1) FR2333011A1 (it)
GB (1) GB1521496A (it)
IT (1) IT1052561B (it)
NL (1) NL7514200A (it)
SE (1) SE7513573L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541908B1 (fr) * 1983-03-04 1988-11-25 Ugine Kuhlmann Composition antimousse, son procede de fabrication et son application
DE4420591A1 (de) * 1994-06-13 1995-12-14 Basf Ag Entschäumer für die Papierindustrie

Also Published As

Publication number Publication date
GB1521496A (en) 1978-08-16
BE836425A (fr) 1976-06-09
FR2333011A1 (fr) 1977-06-24
JPS5183699A (it) 1976-07-22
CH613009A5 (en) 1979-08-31
NL7514200A (nl) 1976-06-15
FR2333011B1 (it) 1979-07-13
SE7513573L (sv) 1976-06-14
DE2553994A1 (de) 1976-06-24

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