← Back to Patent Explorer
JPS5653148A Expired / Lapsed JP ⏱️ 0.0 years remaining

Polyester composition having antistatic property

Assignee: Diafoil Co Ltd
•
Filing: 1979-10-09
•
Granted: —
•
Expires: 1999-10-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE: The titled composition suitable for preparation of polyester film having improved antistatic properties without reducing transparency, obtained by blending polyester of terephthalic acid with a metallic salt of sulfonic acid and styrene oligomer. CONSTITUTION: Polyester consisting of terephthalic acid as a main acid component (not less than 70mol%) is blended with 0.05W2wt% metallic salt of sulfonic acid, preferably lithium alkyl sulfonate having 8W20C alkyl group and 0.05W5wt% stylene oligomer having an average molecular weight not more than 12,000. When a packing material having a thickness not more than 25μ is made, an additive, e.g., lubricant, etc. is required. USE: Besides a film, stretched molded articles, e.g., fibers, sheet, etc. and injection- molded articles. COPYRIGHT: (C)1981,JPO&Japio

Inventors

  • 👤 Tetsuya Sugita
  • 👤 Shigeru Shigemoto
  • 👤 Tamotsu Kurata

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-08 12:06
CPC Classifications
—

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag