公开(公告)号：FR2679567A1

公开(公告)日：1993-01-29

申请号：FR9207567

申请日：1992-06-22

Applicant: DEGUSSA

Inventor： WERNER VOLKER ,  WILAN JERKE ,  KAI DORER ,  BERND DORBATH ,  ANTON STARZ KARL ,  NORBERT GIESECKE

IPC: C09C1/22 ,  C08K9/02 ,  C09C3/00 ,  C09D5/00 ,  C09D5/23 ,  C09D5/24 ,  C09D5/32 ,  H01B1/02 ,  H01B1/16 ,  H01B1/22 ,  H05K9/00

Abstract: New electromagnetic interference (EMI) shielding pigments based on silver coated carrier pigments are disclosed which have a wider activity spectrum and are more economically available than previously known shielding pigments. The carrier pigments used are platelet shaped, ferro- or ferrimagnetic, Fe-containing, naturally occurring or synthetically produced laminar minerals. The Ag coating amounts to 5 to 25% by weight, based on the carrier pigment. Shielding pigments, which may be prepared by conventional chemical deposition of Ag or by sputtering, may be used for the production of EMI protective coatings and EMI protective films.

公开(公告)号：ZA921531B

公开(公告)日：1992-11-25

申请号：ZA921531

申请日：1992-02-28

Applicant: DEGUSSA

Inventor： DORBATH BERND ,  BERND DORBATH ,  STARZ KARL ANTON ,  KARL ANTON STARZ ,  VOLKER WERNER ,  WERNER VOLKER ,  JERKE WILAN ,  WILAN JERKE ,  DORER KAI ,  KAI DORER

IPC: C03C1/06 ,  C03C8/18 ,  C03C17/10 ,  C04B14/36 ,  C04B33/14 ,  C08K9/02 ,  C09C1/00 ,  C09C1/28 ,  C09C3/00 ,  C09C3/06 ,  C09D7/12 ,  C09C ,  C09D ,  C03C ,  C08K

Abstract: The invention relates to purple pigments based on glass frits having an average particle diameter (D50 value) of 0.5 to 50 mu m, whose surface has a coating of essentially 0.05 to 5% by weight, relative to the pigment, of colloidal gold and, if desired, shade-modifying metals from the series consisting of Ag, Cu, Co, Ni, Sn, Ru, Rh, Pd, Os, Ir and Pt in a total weight below that of the gold. … The new purple pigments can be simply prepared and do not require the calcination step necessary hitherto. The pigments are distinguished by their homogeneity. They can be used for the pigmentation of glazes, enamels, glass stains, decorative colours, plastics, printing inks and finishes.

公开(公告)号：ZA9201531B

公开(公告)日：1992-11-25

申请号：ZA9201531

申请日：1992-02-28

Applicant: DEGUSSA

Inventor： DORBATH BERND ,  BERND DORBATH ,  STARZ KARL ANTON ,  KARL ANTON STARZ ,  VOLKER WERNER ,  WERNER VOLKER ,  JERKE WILAN ,  WILAN JERKE ,  DORER KAI ,  KAI DORER

IPC: C03C1/06 ,  C03C8/18 ,  C03C17/10 ,  C04B14/36 ,  C04B33/14 ,  C08K9/02 ,  C09C1/00 ,  C09C1/28 ,  C09C3/00 ,  C09C3/06 ,  C09D7/12 ,  C09C ,  C03C ,  C08K ,  C09D

CPC classification number: C03C8/18 ,  C01P2002/02 ,  C01P2004/62 ,  C01P2004/84 ,  C03C17/10 ,  C09C1/0078 ,  C09C1/28 ,  C09C3/066