公开(公告)号：US3759857A

公开(公告)日：1973-09-18

申请号：US3759857D

申请日：1971-06-18

Applicant: LABOFINA SA

Inventor： BRACKE W

IPC: C08K3/16 ,  C09K8/24 ,  C09K17/48 ,  C08F3/90 ,  C08F45/24

CPC classification number: C09K17/48 ,  C08K3/16 ,  C08K3/24 ,  C09K8/24 ,  Y10S106/90 ,  Y10S106/901 ,  Y10S111/917 ,  Y10S260/31 ,  Y10S524/916 ,  C08L33/26

Abstract: A PROCESS FOR THE CROSS-LINKING OF POLYMERS OF ACRYLAMIDE COMPRISING TREATING AN AQUEOUS SOLUTION OF SAID POLYMERS AT A TEMPERATURE OF FROM 0*C. TO 100*C. WITH AN AQUEOUS SOLUTION OF A SALT SELECTED FROM THE GROUP CONSISTING OF THE HYPOCHLORITE AND HYPOBROMITE SALTS OF ALKALI METALS AND ALKALINE-EARTH METALS.

公开(公告)号：US3736297A

公开(公告)日：1973-05-29

申请号：US3736297D

申请日：1972-01-05

Applicant: LABOFINA SA

Inventor： BRACKE W

IPC: C08G18/64 ,  C08G73/06 ,  C08G22/02

CPC classification number: C08G18/6415 ,  C08G73/0616

Abstract: POLYMER COMPOSITIONS HAVING A MOLECULAR WEIGHT ABOVE 1000 AND CONTAINING THE REPEATING UNITS, DISTRIBUTED AT RANDOM:

-AR-CH2-(1-X-PYRAZOL-5-3-YLENE)-, -AR-CH2-(2-X-PYRAZOL-

5,3-YLENE)-, -AR-(1-X-PYRAZOL-5,3-YLENE)-CH2-, AND -AR-

(2-X-PYRAZOL-5-3-YLENE)-CH2-

WHEREIN AR IS A DOVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC RADICALS, ALICYCLIC RADICALS, ALIPHATICALICYCLIC RADICALS, CARBOCYCLIC AND HETEROCYCLIC ARYL RADICALS AND X IS THE RADICAL OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ORGANIC AND INORGANIC ACIDS AND SUBSTITUTED SUCH AACIDS.