ADHESIVE COMPOSITION FOR ADHESIVE TAPES
FIELD: chemistry. ^ SUBSTANCE: invention refers to production of adhesive composition used for adhesive polyvinylchloride (PVC) tapes applied to various surfaces. Invention can be used for production of polyvinylchloride adhesive tape gas and oil pipelines wrapping as insulating and protecting coati...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: chemistry. ^ SUBSTANCE: invention refers to production of adhesive composition used for adhesive polyvinylchloride (PVC) tapes applied to various surfaces. Invention can be used for production of polyvinylchloride adhesive tape gas and oil pipelines wrapping as insulating and protecting coating, as well as for repair works. The technical result is achieved by that adhesive composition for adhesive polyvinylchloride tapes, containing perchorvinyl resin, plasticising agent that is mixed dioctylphthalate and chlorinated alpha-olefins, e.g. ethylene oligomerisation residues, pine resin and, probably, bulk additive that is activated mixture of natural zeolite and calcium oxide taken in ratio 9:1, in addition contains maleinised 1,2-polybutadiene of average molecular weight within 8000 to 120000. ^ EFFECT: higher adhesion capacity of adhesive polyvinylchloride tapes when applied on steel. ^ 3 cl, 1 tbl, 10 ex |
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