Patent · US Expired

Self-adhesive tape

US4272573A · kind A · utility

16Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1979
Grant dateJun 9, 1981
Priority date
Expiry dateMay 21, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2878
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A self-adhesive tape particularly suitable for use in the building industry for joining and sealing PVC sheets, comprising 100 parts by weight of a vinyl chloride/vinylisobutylether copolymer, from 100 to 400 parts by weight of a mixture of nitrile rubber and a polyvinylchloride homopolymer, from 60 to 230 parts by weight of a plasticizer consisting of one or more esters of phthalic acid, and from 4 to 70 parts by weight of a resinous plasticizer which is an aromatic polyether, an epoxy resin or a mixture thereof, and which imparts adhesive properties to the composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.