RO84884B1 - Process for obtaining expandable polyethylene - Google Patents

Process for obtaining expandable polyethylene

Info

Publication number
RO84884B1
RO84884B1 RO107743A RO10774382A RO84884B1 RO 84884 B1 RO84884 B1 RO 84884B1 RO 107743 A RO107743 A RO 107743A RO 10774382 A RO10774382 A RO 10774382A RO 84884 B1 RO84884 B1 RO 84884B1
Authority
RO
Romania
Prior art keywords
expandable polyethylene
obtaining
polyethylene
obtaining expandable
tert
Prior art date
Application number
RO107743A
Other languages
Romanian (ro)
Other versions
RO84884A2 (en
Inventor
Viorica Dobrescu
Constantin Andrei
Marian Costea
Nicolae Savu
Original Assignee
Viorica Dobrescu
Constantin Andrei
Marian Costea
Nicolae Savu
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 Viorica Dobrescu, Constantin Andrei, Marian Costea, Nicolae Savu filed Critical Viorica Dobrescu
Priority to RO107743A priority Critical patent/RO84884B1/en
Publication of RO84884A2 publication Critical patent/RO84884A2/en
Publication of RO84884B1 publication Critical patent/RO84884B1/en

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  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Procedeul pentru obtinerea polietilenei expandabile de joasa densitate, conform inventiei, consta în aceea ca foloseste drept agent de expandare amidonul sau acetatul de celuloza, în cantiatte de 01...1,5% fata de cantitatea de polietilena, iar ca antioxidant unul ales dintre 2,6-tert-butil-4-metil-fenol, 3,5-di-tert-butil-4-hidroxi-toluen, în cantitate de 0,01...0,5%, omogenizarea componentilor realizîndu-se la temperatura cuprinsa între 100 si 125 degree C.The process for obtaining the low density expandable polyethylene according to the invention consists in using starch or cellulose acetate as the expanding agent in amounts of 0.1 ... 1.5% relative to the amount of polyethylene and as an antioxidant one of 2,6-tert-butyl-4-methylphenol, 3,5-di-tert-butyl-4-hydroxytoluene, 0.01-0.5%. temperature between 100 and 125 degrees C.

RO107743A 1982-06-01 1982-06-01 Process for obtaining expandable polyethylene RO84884B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO107743A RO84884B1 (en) 1982-06-01 1982-06-01 Process for obtaining expandable polyethylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO107743A RO84884B1 (en) 1982-06-01 1982-06-01 Process for obtaining expandable polyethylene

Publications (2)

Publication Number Publication Date
RO84884A2 RO84884A2 (en) 1984-08-17
RO84884B1 true RO84884B1 (en) 1984-09-30

Family

ID=20111637

Family Applications (1)

Application Number Title Priority Date Filing Date
RO107743A RO84884B1 (en) 1982-06-01 1982-06-01 Process for obtaining expandable polyethylene

Country Status (1)

Country Link
RO (1) RO84884B1 (en)

Also Published As

Publication number Publication date
RO84884A2 (en) 1984-08-17

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