公开(公告)号：US3497416A

公开(公告)日：1970-02-24

申请号：US3497416D

申请日：1965-09-16

Applicant: UNION CARBIDE CORP

Inventor： CRITCHFIELD FRANK E ,  WHITMAN ROBERT D

IPC: B32B27/00 ,  C08G18/70 ,  C08G18/80 ,  B32B27/40 ,  B32B27/30

CPC classification number: B32B27/00 ,  C08G18/70 ,  C08G18/8019 ,  Y10T428/249992 ,  Y10T428/3158 ,  Y10T442/3325

公开(公告)号：US3558529A

公开(公告)日：1971-01-26

申请号：US3558529D

申请日：1967-05-03

Applicant: UNION CARBIDE CORP

Inventor： WHITMAN ROBERT D ,  REDING FREDERICK P

IPC: C08G18/48 ,  C08G18/66 ,  C08G22/44 ,  C08G22/14

CPC classification number: C08G18/6674 ,  C08G18/4804 ,  C08G18/6696 ,  C08G2130/00

Abstract: URETHANE POLYMERS ARE PRODUCED FROM A MIXTURE OF INCOMPATIBLE POLYOLS. THE MIXTURE CONTAINS AT LEAST ONE LOW MOLECULAR WEIGHT POLYOL HAVING A HYDROXYL NUMBER OF FROM ABOUT 420 TO ABOUT 640 AND AT LEAST ONE HIGH MOLECULAR WEIGHT POLYOL HAVING A HYDROXYL NUMBER OF FROM ABOUT 34 TO 56; THE RATIO OF HYDROXYL NUMBERS OF THE POLYOLS IN THE MIXTURE BEING AT LEAST 10:1. THE URETHANE POLYMERS ARE USEFUL AS CRASH PADDING, INSULATION, ETC.

公开(公告)号：US3457200A

公开(公告)日：1969-07-22

申请号：US3457200D

申请日：1965-01-15

Applicant: UNION CARBIDE CORP

Inventor： CRITCHFIELD FRANK E ,  WHITMAN ROBERT D

IPC: B32B27/00 ,  C08G18/70 ,  C08G18/80 ,  C08G22/06 ,  C08G22/26

CPC classification number: B32B27/00 ,  C08G18/70 ,  C08G18/8019 ,  Y10T428/249992 ,  Y10T428/3158 ,  Y10T442/3325