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Cellulose film is considered one of the renewable and compostable packaging films with great potential applications.
Bruce
2024-12-1
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18
Bruce
2024-12-1 09:10
Cellulose is the most abundant organic polymer on Earth.
Bruce
2024-12-1
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18
Bruce
2024-12-1 09:09
Some species of bacteria secrete it to form biofilms.
Bruce
2024-12-1
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22
Bruce
2024-12-1 09:09
Cellulose is an important structural component of the primary cell wall of green plants, many forms of algae and the oomycetes.
Bruce
2024-12-1
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20
Bruce
2024-12-1 09:09
However, in a new more environmetnally conscious market, cellophane may return in popularity.
Bruce
2024-12-1
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18
Bruce
2024-12-1 09:02
The advent of plastic materials such as polyethylene and polypropylene started the corrosion of cellophane consumption that resulted in the closing of many cellophane plants, due mostly to the higher prices of cellophane.
Bruce
2024-12-1
0
25
Bruce
2024-12-1 09:02
The large markets were in the areas of baked goods, candies, and tobacco products.
Bruce
2024-12-1
0
20
Bruce
2024-12-1 09:01
For 30 or more years, the dominant ?exible packaging material was cellophane because it was so well suited to offer the marketplace a wide variety of charac- teristics adaptable to product needs at reasonable costs.
Bruce
2024-12-1
0
25
Bruce
2024-12-1 09:01
The growth of cellophane paralleled the growth and development of the entire ?exible-packaging industry, from printing presses and inks to automatic packaging machinery.
Bruce
2024-12-1
0
22
Bruce
2024-12-1 09:01
In the early stages, cellophane was somewhat of a curiosity that was very expensive, and its use was limited to the packaging of luxury items.
Bruce
2024-12-1
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18
Bruce
2024-12-1 09:01
The word cellophane was derived from the first syllable of cellulose and the final syllable of diaphane, meaning transparent
Bruce
2024-12-1
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20
Bruce
2024-12-1 09:00
The degradation of cellulose-based paper is important especially in archives and museums, where ageing in various conditions reduces the mechanical properties and deteriorates optical quality of stored papers, books and other artefacts.
Bruce
2024-12-1
0
21
Bruce
2024-12-1 09:00
Cellulose is a linear polymer of b - D -glucose in the pyranose form, linked together by 1,4-glycosidic bonds.
Bruce
2024-12-1
0
24
Bruce
2024-12-1 09:00
Cellulose is the most abundant natural polymer on earth and it is very important as a renewable organic material.
Bruce
2024-12-1
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27
Bruce
2024-12-1 09:00
Films change from a transparent amorphous state to a hazy or translucent crystalline state.
Bruce
2024-12-1
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25
Bruce
2024-12-1 08:59
Frost line height is the point where the film changes from the melt to the solid state with semicrystalline polymers.
Bruce
2024-12-1
0
21
Bruce
2024-12-1 08:59
In the high-stalk process, the diameter of the bubble exiting the die remains the same size as that of the die opening for many feet above the die exit before it is blown out to the desired bubble diameter.
Bruce
2024-12-1
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20
Bruce
2024-12-1 08:59
In the conventional process, the bubble is blown to its desired diameter almost immediately upon exiting the die, and the frost line is within a couple of feet of the die exit.
Bruce
2024-12-1
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20
Bruce
2024-12-1 08:58
The two blown film processes are conventional and high stalk.
Bruce
2024-12-1
0
24
Bruce
2024-12-1 08:58
Once the bubble is properly inflated, the air entering the bubble replaces air leaving the bubble, as the total pressure within the bubble must remain constant to provide a uniform bubble diameter and film gauge.
Bruce
2024-12-1
0
21
Bruce
2024-12-1 08:58
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