RO98150B1 - Electroinsulating varnish for copper wires - Google Patents

Electroinsulating varnish for copper wires

Info

Publication number
RO98150B1
RO98150B1 RO129797A RO12979787A RO98150B1 RO 98150 B1 RO98150 B1 RO 98150B1 RO 129797 A RO129797 A RO 129797A RO 12979787 A RO12979787 A RO 12979787A RO 98150 B1 RO98150 B1 RO 98150B1
Authority
RO
Romania
Prior art keywords
parts
copper wires
tricrezol
aromatic solvents
resin
Prior art date
Application number
RO129797A
Other languages
Romanian (ro)
Inventor
Augustin Chifor
Moise Biro
Veronica Munteanu
Francisc Deak
Monica Avasilichioaie
Original Assignee
Institutul De Cercetari Produse Auxiliare Organice, Medias
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul De Cercetari Produse Auxiliare Organice, Medias filed Critical Institutul De Cercetari Produse Auxiliare Organice, Medias
Priority to RO129797A priority Critical patent/RO98150B1/en
Publication of RO98150B1 publication Critical patent/RO98150B1/en

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  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Inventia se refera la o compozitie de lac electroizolant pentru conductorii de cupru pe baza de polivinilformal, rasini fenolice, epoxidice, poliuretanice, dizolvate în tricrezol si solventi aromatici, ce conduce la un email cu proprietati mecanice superioare si chimice superioare. Lacul conform inventiei este constituit din 10...80 parti polivinilformal, 10...30 parti rasina fenol-formaldehidica, 1...30 parti rasina epoxidica, 1...80 parti rasina poliuretanica si în calitate de solvent un amestec în parti egale de tricrezol si solventi aromatici, având un continut în solide de 16....22%.The invention relates to a composition of insulating varnish for copper conductors based on polyvinylformal, phenolic, epoxy, polyurethane resins, dissolved in tricrezol and aromatic solvents, leading to an email with higher mechanical and superior mechanical properties. The lake according to the invention consists of 10 ... 80 parts of polyvinyl formal, 10 ... 30 parts of phenol-formaldehyde resin, 1 ... 30 parts of epoxy resin, 1 ... 80 parts of polyurethane resin and as a solvent mixture in equal parts of tricrezol and aromatic solvents, having a solids content of 16 ... 22%.

RO129797A 1987-09-21 1987-09-21 Electroinsulating varnish for copper wires RO98150B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO129797A RO98150B1 (en) 1987-09-21 1987-09-21 Electroinsulating varnish for copper wires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO129797A RO98150B1 (en) 1987-09-21 1987-09-21 Electroinsulating varnish for copper wires

Publications (1)

Publication Number Publication Date
RO98150B1 true RO98150B1 (en) 1990-01-30

Family

ID=40906263

Family Applications (1)

Application Number Title Priority Date Filing Date
RO129797A RO98150B1 (en) 1987-09-21 1987-09-21 Electroinsulating varnish for copper wires

Country Status (1)

Country Link
RO (1) RO98150B1 (en)

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