CH362846A - Process for the production of artificial sponges, the gliding power, pores and color of which largely correspond to those of natural sponges - Google Patents

Process for the production of artificial sponges, the gliding power, pores and color of which largely correspond to those of natural sponges

Info

Publication number
CH362846A
CH362846A CH3755556A CH3755556A CH362846A CH 362846 A CH362846 A CH 362846A CH 3755556 A CH3755556 A CH 3755556A CH 3755556 A CH3755556 A CH 3755556A CH 362846 A CH362846 A CH 362846A
Authority
CH
Switzerland
Prior art keywords
sponges
pores
color
production
those
Prior art date
Application number
CH3755556A
Other languages
German (de)
Inventor
Koenig Walter Ing Dr
Original Assignee
Rudolph Koepp & Co Chem Fab 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 Rudolph Koepp & Co Chem Fab Ag filed Critical Rudolph Koepp & Co Chem Fab Ag
Publication of CH362846A publication Critical patent/CH362846A/en

Links

Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1841—Catalysts containing secondary or tertiary amines or salts thereof having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
CH3755556A 1955-09-22 1956-09-18 Process for the production of artificial sponges, the gliding power, pores and color of which largely correspond to those of natural sponges CH362846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK26927A DE1017783B (en) 1955-09-22 1955-09-22 Process for the production of sponges with improved properties from polyurethane foams

Publications (1)

Publication Number Publication Date
CH362846A true CH362846A (en) 1962-06-30

Family

ID=7217750

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3755556A CH362846A (en) 1955-09-22 1956-09-18 Process for the production of artificial sponges, the gliding power, pores and color of which largely correspond to those of natural sponges

Country Status (3)

Country Link
CH (1) CH362846A (en)
DE (1) DE1017783B (en)
FR (1) FR1156774A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913474C (en) * 1941-04-20 1954-06-14 Bayer Ag Process for the production of highly porous, solid or elastic plastic bodies
BE516512A (en) * 1951-12-24
DE926880C (en) * 1952-01-30 1955-04-25 Bayer Ag Process for the production of foams with a very low specific weight
DE955993C (en) * 1953-08-19 1957-01-10 Bayer Ag Process for the production of, in particular, elastic foams from linear or branched polyesters and diisocyanates in the presence of water

Also Published As

Publication number Publication date
FR1156774A (en) 1958-05-21
DE1017783B (en) 1957-10-17

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