Antistatic finishing of surfaces

• US 3,914,496 A
• Filed: 03/01/1974
• Issued: 10/21/1975
• Est. Priority Date: 03/01/1974
• Status: Expired due to Term

• Current Assignee: Helmut Jorek, Herbert Helfert, Joachim Kurze, Rolf Fikentscher
• Original Assignee: Helmut Jorek, Herbert Helfert, Joachim Kurze, Rolf Fikentscher
• Inventors: Fikentscher, Rolf, Jorek, Helmut, Kurze, Joachim, Helfert, Herbert
• Primary Examiner(s): Lusignan, Michael R.
• Application Number:
  US05/447,228
• Time in Patent Office: 599 Days
• Field of Search: 117/139.5CQ,138.8N,138.8UA,138.8B 252/8.6,8.7 260/567.6R,567.6M,459R,459A,501.15 428/279
• US Class Current: 442/115
• CPC Class Codes: C08J 7/065 Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
• CPC Class Codes: D06M 13/463 derived from monoamines
• CPC Class Codes: Y10T 442/2459 Nitrogen containing
• CPC Class Codes: Y10T 442/2861 Coated or impregnated synthetic organic fiber fabric
• CPC Class Codes: Y10T 442/2885 Coated or impregnated acrylic fiber fabric
• CPC Class Codes: Y10T 442/2893 Coated or impregnated polyamide fiber fabric
• CPC Class Codes: Y10T 442/291 Coated or impregnated polyolefin fiber fabric

Abstract

Antistatic finishing of surfaces of shaped articles, especially textiles, which tend to acquire an electrostatic charge, using quaternary ammonium compounds which contain 2 to 4 hydroxyethyl groups per ammonium group.

Claims

1. FIBROUS MATERIAL PROVIDED WITH AN ANTISTATIC FINISH WITH 0.03 TO 2 PER CENT BY WEIGHT, BASED ON THE FIBROUS MATERIAL, OF AT LEAST ONE AMMONIUM SALT OF THE FORMULA

2. A fibrous material as set forth in claim 1 wherein said fibrous materials are prepared from polyesters, polyamides, acrylonitrile polymers, polyolefins or polyvinyl compounds.