RO132386A8 - Process for preparing shock-proof composites of recovered polypropylene - Google Patents
Process for preparing shock-proof composites of recovered polypropylene Download PDFInfo
- Publication number
- RO132386A8 RO132386A8 RO201600549A RO201600549A RO132386A8 RO 132386 A8 RO132386 A8 RO 132386A8 RO 201600549 A RO201600549 A RO 201600549A RO 201600549 A RO201600549 A RO 201600549A RO 132386 A8 RO132386 A8 RO 132386A8
- Authority
- RO
- Romania
- Prior art keywords
- recovered
- polypropylene
- preparing
- recovered polypropylene
- composites
- Prior art date
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- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention relates to a process for preparing recovered polypropylene composites of improved impact strength. According to the invention, the process consists in modifying, by melt-alloying, the polypropylene recovered on the roller, at a friction coefficient of 1.18...1.20, at a temperature of 185...190°C, for 15 min, with 5...95% mixture of two styrene-isoprene block-copolymers in a ratio of 25:75, with a melt flow index of 8.2...13.9 g/10 min, to result in a composite which has an impact strength of 4.8...6.4 kJ/mat 20°C and of 3.2...4.2 kJ/mat -20°C.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ROA201600549A RO132386B1 (en) | 2016-08-01 | 2016-08-01 | Process for preparing shock-proof composites of recovered polypropylene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ROA201600549A RO132386B1 (en) | 2016-08-01 | 2016-08-01 | Process for preparing shock-proof composites of recovered polypropylene |
Publications (3)
Publication Number | Publication Date |
---|---|
RO132386A2 RO132386A2 (en) | 2018-02-28 |
RO132386A8 true RO132386A8 (en) | 2019-11-29 |
RO132386B1 RO132386B1 (en) | 2020-05-29 |
Family
ID=61246775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ROA201600549A RO132386B1 (en) | 2016-08-01 | 2016-08-01 | Process for preparing shock-proof composites of recovered polypropylene |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO132386B1 (en) |
-
2016
- 2016-08-01 RO ROA201600549A patent/RO132386B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
RO132386A2 (en) | 2018-02-28 |
RO132386B1 (en) | 2020-05-29 |
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