The history of the packaging industry

    From the beginning of the 19th century, with the development of industrial packaging, materials developed step by step.

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   The mechanism of wooden cases appeared in 1800.

   In 1818, the tin cans.
   In 1856, British invention of corrugated paper, and used in 1871.
   In 1890, the railway transportation committee of USA approved corrugated cartons as packing and shipping.

   In 1895, metal hose used in toothpaste, ointment

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    In 1902, the United States built the world’s first institute of packaging.
   In 1909, Swiss chemist Brandon Berger discovered the cellophane. Pt technology was introduced into the United States in 1924, in 1927 the United States DuPont used in food packaging.
   Found poly PVC in 1927 and used in the packaging in 1930.

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   The second half of the 20th century, the aluminum foil used in frozen food packaging. In 1950, the United States developed laminated technology, create a new era of the composite materials.
   In 1954, PP used in food packaging.
   In 1891 in Shanghai set up a “Aaron ZaoZhiJu”, paper machine imported from the UK, behind the world’s first head of network type machine of 87 years.
In 1958, papermaking equipment imported from west Germany to Four plants in Tianjin, started to produce the cellophane.
Blown film production began in 1959.

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   In 1964, pilot run composite membrane.
   In the northeast of China, light alloy processing plant built in 1980. The first modern aluminum foil workshop founded in December 1980, China packaging technology association. Founded in July 1981, the China national packaging corporation.
   Ann polyester foam machine introduced from the United States in 1985, production of foam materials.
   Pilot packaging engineering education started in 1984, 1989 full-time undergraduate course of packaging engineering education

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   Paper packaging materials
   Concept: a piece of paper is a continuous sheet or roll shape type of materials.

   The composition of the paper:
Plant fiber (wood, straw, cotton, linen)
Function: filling material, gypsum, talc, Bai Shi, calcium carbonate and fill the gaps between fiber, smooth paper table, opaque.
Rubber ( alum, gum rosin, starch)
Function: the space fiber and fiber, reduce moisture absorption, waterproof.

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Pigment: change the paper color.
Corrugated board: the glossy paper and corrugated paper core glue them into a plate structure.
Features: very high hardness, high mechanical strength, high compression, bending, the proportion of small, can be recycled.
Type: three, five, seven, nine layers, etc.
Structure: surface paper, corrugated paper core, core insulation paper, inside a piece of paper (paper)
Stare blankly type going a while at high each/ 300 mm
Stare blankly type features:
C stare blankly: good buffer
B stare blankly: high compressive strength, poor buffer.

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