PL413608A1 - Multilayer nonorientable casting polypropylene film and method for producing it - Google Patents
Multilayer nonorientable casting polypropylene film and method for producing itInfo
- Publication number
- PL413608A1 PL413608A1 PL413608A PL41360815A PL413608A1 PL 413608 A1 PL413608 A1 PL 413608A1 PL 413608 A PL413608 A PL 413608A PL 41360815 A PL41360815 A PL 41360815A PL 413608 A1 PL413608 A1 PL 413608A1
- Authority
- PL
- Poland
- Prior art keywords
- weight
- film
- thickness
- propylene copolymer
- polypropylene film
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000004743 Polypropylene Substances 0.000 title 1
- 238000005266 casting Methods 0.000 title 1
- -1 polypropylene Polymers 0.000 title 1
- 229920001155 polypropylene Polymers 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 239000005025 cast polypropylene Substances 0.000 abstract 3
- 229920001577 copolymer Polymers 0.000 abstract 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 3
- 239000012141 concentrate Substances 0.000 abstract 2
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 229920000034 Plastomer Polymers 0.000 abstract 1
- 235000008429 bread Nutrition 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
- 239000005026 oriented polypropylene Substances 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Przedmiotem zgłoszenia jest wielowarstwowa nieorientowana, wylewana folia polipropylenowa (CPP) 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 korzystnie do minus 35°C. Folia składa się co najmniej z pięciu, korzystnie warstw głównych bez warstw połączeniowych: pierwszej i ostatniej warstwie zewnętrznej, aktywowanej, o grubości do 17% całkowitej grubości folii każda, o własnościach zgrzewalnych zawierających 99% wagowych random (statystycznego) kopolimeru propylenu (PP) i 1% wagowych koncentratu antyblockingowego zawierającego 10% ditlenek krzemu (SiO2), przynajmniej po jednej drugiej i po jednej czwartej warstwie wewnętrznej o grubości do 9,5% całkowitej grubości folii każda, zawierających do 100% wagowych heterofazowego kopolimeru propylenu (PP), przynajmniej jednej trzeciej warstwie wewnętrznej rdzeniowo - centralnej usytuowanej pomiędzy drugą i czwartą warstwą o grubości do 47% całkowitej grubości folii zawierającej 40 do 70% wagowych random kopolimeru propylenu (PP), od 9 do 30% wagowych plastomeru PP, od 20 do 40% wagowych czystego regranulatu nieorientowanej folii polipropylenowej (CPP) oraz nie mniej niż 1% wagowych koncentratu poślizgowo-antystatycznego.The subject of the application is multilayer non-oriented, cast polypropylene film (CPP) and the method of its production. The film is used in the packaging industry, especially for packaging bread and other food products for freezing and storing them under reduced temperatures, preferably down to minus 35 ° C. The film consists of at least five, preferably main layers without connecting layers: first and last activated outer layer, with a thickness of up to 17% of the total thickness of the film each, with weldable properties containing 99% by weight of random (statistical) propylene copolymer (PP) and 1% by weight anti-blocking concentrate containing 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 up to 100% by weight of heterophasic propylene copolymer (PP), at least one a third core-central inner layer located between the second and fourth layers with a thickness of up to 47% of the total thickness of the film containing 40 to 70% by weight of random propylene copolymer (PP), from 9 to 30% by weight of PP plastomer, from 20 to 40% by weight of pure regranulate non-oriented polypropylene film (CPP) and not less than 1% by weight slip and antistatic concentrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL413608A PL413608A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polypropylene film and method for producing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL413608A PL413608A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polypropylene film and method for producing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL413608A1 true PL413608A1 (en) | 2017-02-27 |
Family
ID=58091962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL413608A PL413608A1 (en) | 2015-08-21 | 2015-08-21 | Multilayer nonorientable casting polypropylene film and method for producing it |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL413608A1 (en) |
-
2015
- 2015-08-21 PL PL413608A patent/PL413608A1/en unknown
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