公开(公告)号：AU5047879A

公开(公告)日：1981-03-05

申请号：AU5047879

申请日：1979-08-31

Applicant: STANDARD OIL CO OHIO

Inventor： GIDDINGS BRANDFORD EARLE ,  WARDLOW EDDIE JR ,  MEHOSKY BRIAN LEE

IPC: C08F6/00 ,  C08F220/44 ,  C08F6/24 ,  C08F220/56

Abstract: A method for stripping residual monomer from acrylonitrile copolymers which have been prepared in aqueous suspension by steam stripping acrylonitrile monomer from the suspension at a temperature of from 100 DEG C. up to 135 DEG C. and at a pressure of from about 5 to 30 psig is described.

公开(公告)号：FR2464971A1

公开(公告)日：1981-03-20

申请号：FR7922304

申请日：1979-09-06

Applicant: STANDARD OIL CO

Inventor： GIDDINGS BRANDFORD EARLE ,  WARDLOW EDDIE JR ,  MEHOSKY BRIAN LEE

IPC: C08F6/00 ,  C08F220/44 ,  C08F220/42 ,  C08F6/24

Abstract: A method for stripping residual monomer from acrylonitrile copolymers which have been prepared in aqueous suspension by steam stripping acrylonitrile monomer from the suspension at a temperature of from 100 DEG C. up to 135 DEG C. and at a pressure of from about 5 to 30 psig is described.

公开(公告)号：IT1166904B

公开(公告)日：1987-05-06

申请号：IT2552779

申请日：1979-09-06

Applicant: STANDARD OIL CO

Inventor： BRANDFORD EARLE GIDDINGS ,  WARDLOW EDDIE JR ,  MEHOSKY BRIAN LEE

IPC: C08F20060101 ,  C08F

Abstract: Residual monomer is steam extracted from an aq. suspension of a resin at 100-135 degrees C and 0.35-2.1 kg/cm2 pressure, the resin having been prepd. by free radical polymerisation of an aq. suspension of a mixt. of (A) \-50 wt. % of a nitrile monomer of formula CH2=C(R)CN, where R is H, 1-4C alkyl or halogen and (B) \-1 of (1) styrene, (2) esters of formula CH2=C(R1)COOR2 where R1 is H, 1-4C alkyl or halogen, and R2 is 1-6C alkyl, (3) alpha-olefins of formula CH2=C(R')(R"), where R' and R" are 1-7C alkyl, (4) vinyl ethers comprising (m)ethyl, propyl and butyl vinyl ethers, (5) vinyl acetate and (6) indene. Pref. (A) is acrylonitrile and (B) is styrene or methyl acrylate.