公开(公告)号：GB1221153A

公开(公告)日：1971-02-03

申请号：GB3461069

申请日：1969-07-09

Applicant: TORAY INDUSTRIES

Inventor： TAKAHASHI TOSHIMASA ,  TAKAICHI MORIYUKI ,  MAKINO HIROSHI ,  AOKI TOSHIKAZU

IPC: C08J9/10

Abstract: 1,221,153. Blowing agents. TORAY INDUSTRIES Inc. 9 July, 1969, No. 34610/69. Heading C3C. A blowing agent for plastics comprises azodicarbonamide and a chromium alum (M 2 SO 4 - Cr 2 (SO 4 ) 3 ), a bichromate (M 2 Cr 2 O 7 or M 1 Cr 2 O 7 ), a chromate (M 2 CrO 4 or M 1 CrO 4 ), chromium trioxide (Cr0 3 ) or a chromium halide, where M is a monovalent metal cation, e.g. Na or K, or an ammonium ion and M 1 is a divalent metal cation, e.g. an alkaline earth metal, Cu, Sn or Pb. The other chromium compound may be chromium trichloride; sodium, potassium, ammonium; calcium, barium or lead bichromate or chromate ; or ammonium, sodium or potassium chromium alum.

公开(公告)号：CA904014A

公开(公告)日：1972-07-04

申请号：CA904014D

Applicant: TORAY INDUSTRIES

Inventor： TAKAHASHI TOSHIMASA ,  AOKI TOSHIKAZU ,  MAKINO HIROSHI ,  TAKAICHI MORIYUKI

IPC: C08J9/10 ,  C09K3/00

公开(公告)号：DE1936098A1

公开(公告)日：1971-02-11

申请号：DE1936098

申请日：1969-07-16

Applicant: TORAY INDUSTRIES

Inventor： TAKAHASHI TOSHIMASA ,  TAKAICHI MORIYUKI ,  AOKI TOSHIKAZU ,  OTSU SHIGA ,  MAKINO HIROSHI

IPC: C08J9/10

Abstract: 1,221,153. Blowing agents. TORAY INDUSTRIES Inc. 9 July, 1969, No. 34610/69. Heading C3C. A blowing agent for plastics comprises azodicarbonamide and a chromium alum (M 2 SO 4 - Cr 2 (SO 4 ) 3 ), a bichromate (M 2 Cr 2 O 7 or M 1 Cr 2 O 7 ), a chromate (M 2 CrO 4 or M 1 CrO 4 ), chromium trioxide (Cr0 3 ) or a chromium halide, where M is a monovalent metal cation, e.g. Na or K, or an ammonium ion and M 1 is a divalent metal cation, e.g. an alkaline earth metal, Cu, Sn or Pb. The other chromium compound may be chromium trichloride; sodium, potassium, ammonium; calcium, barium or lead bichromate or chromate ; or ammonium, sodium or potassium chromium alum.