FIELD: chemistry.
SUBSTANCE: method involves film processing with gas mix of fluorine and nitrogen at fluorine concentration of 1 to 10 vol. %. Processed film is exposed to ammonia in aqueous solution or in gas mix for 10 seconds or less, with further film fanning with air.
EFFECT: possible application of plyolephine films with marks as package material for food storage due to neutralisation of hydrogen fluoride remaining at the film surface.
3 cl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PROCESSING POLYMER MEMBRANE MATERIAL SURFACE | 2011 |
|
RU2468856C1 |
| SURFACE PROCESSING FOR POLYMER MEMBRANE MATERIALS | 2011 |
|
RU2467790C1 |
| METHOD FOR PROCESSING OF METAL-COATED POLYMER PRODUCTS | 2011 |
|
RU2459014C1 |
| METHOD FOR REDUCTION OF OXYGEN-PERMEABILITY OF BIAXIALLY ORIENTED POLYPROPYLENE FILMS | 2014 |
|
RU2575269C1 |
| METHOD FOR REDUCTION OF OXYGEN PERMEABILITY OF POLYETHYLENE FILMS | 2014 |
|
RU2575281C1 |
| METHOD OF REDUCING OXYGEN PENETRABILITY OF FILMS MADE FROM POLYETHYLENE TEREPHTHALATE USED FOR STORAGE OF DIFFERENT FOOD PRODUCTS | 2014 |
|
RU2608027C2 |
| CATALYST, METHOD OF PREPARATION AND ACTIVATION THEREOF, AND HALOGENATED HYDROCARBON FLUORINATION PROCESS | 2007 |
|
RU2322291C1 |
| METHOD OF ACTIVATING CATALYST FOR PRODUCING FLUORINE-CONTAINING HYDROCARBONS | 2015 |
|
RU2594485C1 |
| CATALYST, PREPARATION METHOD THEREOF AND METHOD OF FLUORINATING HALOGENATED HYDROCARBONS | 2009 |
|
RU2402378C1 |
| METHOD FOR PRODUCING FLUORINATED POLYETHYLENE OXIDES | 2021 |
|
RU2781018C1 |
