Film having a liquid absorbed therein
A film and liquid technology, applied in biological packaging, food science, application, etc., can solve problems such as inability to join
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Examples
Embodiment 1
[0064] Example 1 - Coating Formulation
[0065] Coating formulations were prepared according to Table 1 by Red Arrow.
[0066] Coating Code
Coating composition
weight%
C / C 3 / 02 / C 1 / 03
C x
C 7
C 9
C 20
C 21
Maillose 45 1.
Dioctyl sulfosuccinate
Liquid smoke 3.
Maillose 45
Methocel 2 SGA16M
Methocel SGA16M
Maillose 45
Propylene Glycol
Methocel K 100M
Propylene Glycol
Methocel K 100M
94.63
5.00
0.25
0.12
100.0
94.875
5.00
0.125
94.875
5.00
0.125
98.4
1.4
0.2
98.4
1.4
0.2
[0067] 1. Maillose 45 contains 27% by weight glycolaldehyde, a colorant obtained from Arrow Products Co. LLC, Manitowoc, Wisconsin, formed from the pyrolysis of sugar...
Embodiment 2
[0070] Example 2 - Corona treatment of polyamide film
[0071] The following experiments were performed with a three-layer heat-shrinkable tubular film having an outer polyamide layer, a polypropylene copolymer middle layer and an inner polyamide layer. The inner layer is a blend of Nylon 6 with about 16% PVPP. This film is hereinafter referred to as DC-1.
[0072] Tubular films were internally corona treated at 600 W using an electrode arrangement similar to that described in US5296170, wherein one of a pair of electrodes was in contact with one side of the gas-filled tube. In this way a corona discharge is generated in the gas space inside the tube. However, an important difference between this approach and the method described in US5296170 is the higher power level used in this approach. Although US5296170 does not use power density to describe the power level, the examples show that the dyne value of the polypropylene film is increased from 31 dyne to 42 dyne and 41 dyn...
Embodiment 3
[0101] Example 3 - Shirring, filling and finishing
[0102] The film was activated and the composition applied to it in the manner described in Example 2. After the time required for the coating to be applied and / or absorbed onto the roll, the film is shirred into a "rod". The shirred tubular casings can be prepared using conventional shirring machines known in the art.
[0103] The ham or turkey product is then pushed through the stuffer casing sleeve into the shirred casing.
[0104] The packaged food is then cooked by heating the food in an oven with steam or hot water for a period of time to bring the food to an internal temperature of 160°F. The relative humidity of the oven was maintained at 100% and the temperature was maintained at 185°F. The temperatures of steam and hot water are shown in Table 5. Cook as soon as possible after filling at the various times indicated.
[0105] A control was carried out without corona treatment and impregnation.
[0106] The resu...
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