Black coating of high thermal emissivity and process for applying the same

• US 2,891,879 A
• Filed: 07/26/1957
• Issued: 06/23/1959
• Est. Priority Date: 07/26/1957
• Status: Expired due to Term

• Current Assignee: Kenneth L. Rohrer
• Original Assignee: Kenneth L. Rohrer
• Inventors: Rohrer, Kenneth L.
• Application Number:
  US03/674,309
• Time in Patent Office: 697 Days
• US Class Current: 428/429
• CPC Class Codes: H01J 19/00 Details of vacuum tubes of the types covered by group H01J21/00
• CPC Class Codes: H01J 2893/0023 carbonising and other surface treatments
• CPC Class Codes: Y10S 126/908 Particular chemical
• CPC Class Codes: Y10S 165/904 Radiation
• CPC Class Codes: Y10S 428/937 Sprayed metal
• CPC Class Codes: Y10S 428/939 Molten or fused coating
• CPC Class Codes: Y10T 428/12139 Nonmetal particles in particulate component
• CPC Class Codes: Y10T 428/31612 As silicone, silane or siloxane

Claims

1. THE METHOD OF MAKING A HEAT-DISSIPATING, LOW REFLECTIVITY, ADHERENT BLACK COATING, SAID METHOD INCLUDING THE STEPS OF (1) MIXING (A) ONE PART BY WEIGHT OF FINELY DIVIDED ALUMINUM, AND (B) FROM 0.35 TO 20 PARTS BY WEIGHT OF AN ORGANOPOLYSILOXANE RESIN, (2) APPLYING SAID MIXTURE TO A BASE MEMBER, AND (3) HEATING SAID BASE MEMBER AND SAID MIXTURE IN A NONOXIDIZING ATMOSPHERE TO A TEMPERATURE BETWEEN 660*C. AND 1500*C.