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EP0150978A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

A pressure-sensitive adhesive composition comprising a PVC polymer, a structural ethylene vinyl acetate copolymer, a plasticised and a tackifying agent

Assignee: R & I Connell Ltd
•
Filing: 1985-01-23
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Granted: —
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Expires: 2005-01-23
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Abstract

Abstract @ A pressure-sensitive adhesive composition comprising a PVC base polymer, a structured ehtlyene vinyl acetate copolymer and a plasticiser.

Inventors

  • 👤 Peter Cyril Lear Caton
  • 👤 Michael William Summers

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 09:55
CPC Classifications
C; C09; C09J; C09J127/00; C09J127/02; C09J127/04; C09J127/06; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853; C08L2666/00; C08L2666/02; C08L2666/04; C08L31/00; C08L31/02; C08L31/04

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 18 words
A pressure-sensitive adhesive composition comprising a PVC base polymer, a structured ethylene vinyl acetate copolymer and a plasticiser.
Claim 2
Dependent Claim 18 words
A pressure-sensitive adhesive composition comprising a PVC base polymer, a structured ethylene vinyl acetate copolymer and a plasticiser.
Claim 3
Dependent Claim 21 words
A composition according to Claim 1 in which the PVC base polymer is a vinyl chloride/vinyl acetate copolymer or graft copolymer.
Claim 4
Dependent Claim 27 words
A composition according to Claim 2 in which the vinyl acetate content of the PVC base polymer is 5 to 40%, preferably 10 to 20%, by weight.
Claim 5
Dependent Claim 34 words
A composition according to any of Claims 1 to 3 in which the proportion of PVC base polymer to structured ethylene vinyl acetate copolymer is 1:0.3 to 1:2, preferably 1:0.35 to 1:1.0 by weight.
Claim 6
Dependent Claim 17 words
A composition according to any of Claims 1 to 4 which includes at least one tackifying resin.
Claim 7
Dependent Claim 27 words
A composition according to Claim 5 in which the proportion of PVC base polymer to tackifying resin is 1:1.3 to 1:4.5, preferably 1:2 to 1:3.5 by weight.
Claim 8
Dependent Claim 19 words
A composition according to any of Claims 1 to 6 including one or more stabilisers,, fillers, pigments and/or antioxidants.
Claim 9
Dependent Claim 24 words
A self-adhesive article having at least one face carrying a layer of an adhesive composition as claimed in any of Claims 1 to 7.
Claim 10
Dependent Claim 18 words
An article according to Claim 1 in the form of a single or double sided adhesive coated tape.
Claim 11
Dependent Claim 42 words
A method of making an article as claimed in Claim 8 which comprises applying to a face of said article a layer of pressure sensitive adhesive as claimed in any of Claims 1 to 7 by means of a hot melt technique.

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