RO81793B1 - Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare - Google Patents

Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare

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Publication number
RO81793B1
RO81793B1 RO103547A RO10354781A RO81793B1 RO 81793 B1 RO81793 B1 RO 81793B1 RO 103547 A RO103547 A RO 103547A RO 10354781 A RO10354781 A RO 10354781A RO 81793 B1 RO81793 B1 RO 81793B1
Authority
RO
Romania
Prior art keywords
high molecular
epoxy resins
molecular mass
obtaining high
mass epoxy
Prior art date
Application number
RO103547A
Other languages
English (en)
Other versions
RO81793A2 (ro
Inventor
Felicia Stoenescu
Ileana Braniste
Eugenia Lucia Ion
Florica Nicolescu
Vasile Danciulescu
Mircea Manea
Original Assignee
Institutul De Cercetari Chimice
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 Chimice filed Critical Institutul De Cercetari Chimice
Priority to RO81103547A priority Critical patent/RO81793A2/ro
Publication of RO81793B1 publication Critical patent/RO81793B1/ro
Publication of RO81793A2 publication Critical patent/RO81793A2/ro

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Abstract

Inventia se refera la un procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare prin reactia de poliaditie dintre o rasina epoxidica cu masa moleculara mica, de ordinul 350...1500 si 2,2'-bis(4-hidroxifenil) propan în prezenta de 5...50 ppm LiCl calculat fata de amestecul de reactie, la temperatura de 150...200 degree C, conform caruia în scopul realizarii unei dispersii îmbunatatite a catalizatorului în masa de reactie, aceasta se introduce în amestecul de reactie sub forma unui concentrat de 1...20% din cantitatea totala de 2,2'-bis(4-hidroxifenil) propan.
RO81103547A 1981-02-27 1981-02-27 Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare RO81793A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO81103547A RO81793A2 (ro) 1981-02-27 1981-02-27 Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO81103547A RO81793A2 (ro) 1981-02-27 1981-02-27 Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare

Publications (2)

Publication Number Publication Date
RO81793B1 true RO81793B1 (ro) 1983-05-30
RO81793A2 RO81793A2 (ro) 1983-06-01

Family

ID=20109634

Family Applications (1)

Application Number Title Priority Date Filing Date
RO81103547A RO81793A2 (ro) 1981-02-27 1981-02-27 Procedeu pentru obtinerea rasinilor epoxidice cu masa moleculara mare

Country Status (1)

Country Link
RO (1) RO81793A2 (ro)

Also Published As

Publication number Publication date
RO81793A2 (ro) 1983-06-01

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