公开(公告)号：US3565876A

公开(公告)日：1971-02-23

申请号：US3565876D

申请日：1968-02-28

Applicant: STANDARD OIL CO OHIO

Inventor： BALL LAWRENCE E ,  MUSSER HARRY R

IPC: C08F20/50 ,  C08F15/22

CPC classification number: C08F20/50 ,  Y10S428/91

Abstract: MULTIAXIALLY ORIENTED ARTICLES OR FILMS WHICH HAVE SUPERIOR PHYSICAL PROPERTIES AND ARE HEAT SHRINKABLE AND HEAT SEALABLE CAN BE PREPARED BY EXTRUSION FROM POLYMERS OR COPOLYMERS OF METHACRYLONITRILE WITH ACRYLONITRILE IN THE RATIOS OF 80 TO 100 PARTS BY WEIGHT OF METHACRYLONITRILE TO 20 TO 0 PARTS BY WEIGHT OF ACRYLONITRILE AND OPTIONALLY UP TO ABOUT 5 PARTS BY WEIGHT OF THE METHACRYLONITRILE MAY BE REPLACED BY ANOTHER VINYL MONOMER SUCH AS METHYL METHACRYLATE.