IT1201124B - L-Carnitine chloride and internal salts prepn. - Google Patents
L-Carnitine chloride and internal salts prepn.Info
- Publication number
- IT1201124B IT1201124B IT19044/87A IT1904487A IT1201124B IT 1201124 B IT1201124 B IT 1201124B IT 19044/87 A IT19044/87 A IT 19044/87A IT 1904487 A IT1904487 A IT 1904487A IT 1201124 B IT1201124 B IT 1201124B
- Authority
- IT
- Italy
- Prior art keywords
- density polyethylene
- blends
- temp
- layer
- low density
- Prior art date
Links
- JXXCENBLGFBQJM-FYZOBXCZSA-N [(2r)-3-carboxy-2-hydroxypropyl]-trimethylazanium;chloride Chemical compound [Cl-].C[N+](C)(C)C[C@H](O)CC(O)=O JXXCENBLGFBQJM-FYZOBXCZSA-N 0.000 title 1
- 150000003839 salts Chemical class 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 4
- 239000004743 Polypropylene Substances 0.000 abstract 2
- 229920001903 high density polyethylene Polymers 0.000 abstract 2
- 239000004700 high-density polyethylene Substances 0.000 abstract 2
- 229920000092 linear low density polyethylene Polymers 0.000 abstract 2
- 239000004707 linear low-density polyethylene Substances 0.000 abstract 2
- 229920001684 low density polyethylene Polymers 0.000 abstract 2
- 239000004702 low-density polyethylene Substances 0.000 abstract 2
- -1 polypropylene Polymers 0.000 abstract 2
- 229920001155 polypropylene Polymers 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Polyolefin film with a mat finish comprises at least two coextruded layers; an upper mat finish layer comprising high density polyethylene, polypropylene or blends thereof and a second layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The film is prepd. by coextrusion of an external layer comprising high density polyethylene, polypropylene or blends thereof and an internal layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The extrusion process comprises passage of the coextruded layers from feed zone to an extruder die through temp. control zones where the external layer passing through the temp. control zones from the feed zone is heated more rapidly to a higher temp. than the corresp. internal layer in the corresp. temp. control zone
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19044/87A IT1201124B (en) | 1987-01-09 | 1987-01-09 | L-Carnitine chloride and internal salts prepn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19044/87A IT1201124B (en) | 1987-01-09 | 1987-01-09 | L-Carnitine chloride and internal salts prepn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8719044A0 IT8719044A0 (en) | 1987-01-09 |
| IT1201124B true IT1201124B (en) | 1989-01-27 |
Family
ID=11154077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19044/87A IT1201124B (en) | 1987-01-09 | 1987-01-09 | L-Carnitine chloride and internal salts prepn. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1201124B (en) |
-
1987
- 1987-01-09 IT IT19044/87A patent/IT1201124B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8719044A0 (en) | 1987-01-09 |
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