PL413607A1 - Multilayer nonorientable casting polyolefine film and method for producing it - Google Patents
Multilayer nonorientable casting polyolefine film and method for producing itInfo
- Publication number
- PL413607A1 PL413607A1 PL413607A PL41360715A PL413607A1 PL 413607 A1 PL413607 A1 PL 413607A1 PL 413607 A PL413607 A PL 413607A PL 41360715 A PL41360715 A PL 41360715A PL 413607 A1 PL413607 A1 PL 413607A1
- Authority
- PL
- Poland
- Prior art keywords
- film
- weight
- thickness
- density polyethylene
- low density
- Prior art date
Links
- 229920000098 polyolefin Polymers 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000005266 casting Methods 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 229920001684 low density polyethylene Polymers 0.000 abstract 2
- 239000004702 low-density polyethylene Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 abstract 1
- 229920000034 Plastomer Polymers 0.000 abstract 1
- 235000008429 bread Nutrition 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 235000013305 food Nutrition 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Przedmiotem zgłoszenia jest wielowarstwowa nieorientowana, wylewana folia poliolefinowa typu CAST oraz sposób jej wytwarzania. Folia ma zastosowanie w przemyśle opakowaniowym, zwłaszcza do pakowania pieczywa oraz innych produktów spożywczych do mrożenia i przechowywania ich w warunkach obniżonych temperatur do minus 35°C. Folia składa się co najmniej z pięciu, korzystnie warstw głównych bez warstw połączeniowych: pierwszej i ostatniej warstwie zewnętrznej, z których jedna korzystnie jest aktywowana o grubości do 17% całkowitej grubości folii każda, zawierających 99% wagowych random (statystycznego) kopolimeru propylenu (PP) i 1% wagowych koncentratu antyblockingowego zawierającego 5 - 10% ditlenek krzemu (SiO2), przynajmniej po jednej drugiej i po jednej czwartej warstwie wewnętrznej o grubości do 9,5% całkowitej grubości folii każda, zawierających 100% wagowych liniowego polietylenu niskiej gęstości (LLDPE), przynajmniej jednej trzeciej warstwie wewnętrznej rdzeniowo - centralnej o grubości do 47% całkowitej grubości folii zawierającej od 60 do 90% wagowych polietylenu niskiej gęstości (LDPE) i od 10 do 40% wagowych plastomeru poliolefinowego (POP).The subject of the application is a multi-layered, non-oriented, cast polyolefin film of CAST type and the method of its production. The film is used in the packaging industry, especially for packing bread and other food products for freezing and storing them under reduced temperatures to minus 35 ° C. The film consists of at least five, preferably main layers without connecting layers: first and last outer layers, one of which is preferably activated with a thickness of up to 17% of the total thickness of the film, each containing 99% by weight of random (statistical) propylene copolymer (PP) and 1% by weight anti-blocking concentrate containing 5 - 10% silicon dioxide (SiO2), at least one second and one fourth inner layer with a thickness of up to 9.5% of the total thickness of the film each, containing 100% by weight linear low density polyethylene (LLDPE) , at least one-third of the inner core-central layer, up to 47% thick of the total film thickness, comprising 60 to 90% by weight low density polyethylene (LDPE) and 10 to 40% by weight polyolefin plastomer (POP).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL413607A PL413607A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polyolefine film and method for producing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL413607A PL413607A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polyolefine film and method for producing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL413607A1 true PL413607A1 (en) | 2017-02-27 |
Family
ID=58092065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL413607A PL413607A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polyolefine film and method for producing it |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL413607A1 (en) |
-
2015
- 2015-08-21 PL PL413607A patent/PL413607A1/en unknown
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