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Daily application of adhesive tapes: Overview on commodity p

Author: admin Time:2015-04-27 Source:MTBJZJ
Abstract:Packaging material is the general name of materials used in manufacturing and packaging containers, packaging transportation, packaging decoration, packaging printing, auxiliary packaging materials and packaging related materials. Packaging

 Packaging material is the general name of materials used in manufacturing and packaging containers, packaging transportation, packaging decoration, packaging printing, auxiliary packaging materials and packaging related materials. Packaging material mainly contains packaging materials and auxiliary packaging material, generally containing paper, metal, wood, plastic, textile, ceramic, glass, grass, bamboo, rattan and wicker; of which plastic and metal materials are most complex.

  Packaging material occupies an important position in the whole packaging industry and is an importance foundation for developing packaging technology, improving packaging quality and reducing packaging costs. Therefore, learning about the properties, application scope and development trend of packaging materials is of significant and profound meaning to selecting packaging materials reasonably, expanding source of packaging materials, adopting new packaging material and processing technologies, creating new packaging containers and packaging skills and improving packaging technology level and law.

1. Performance
  Seen from modern packaging functions, packaging material should have the following properties:
  (1) Protection capability
  Packaging material should have a certain mechanical strength, adapt to changes in temperature, be moisture-proof, waterproof, anti-corrosion, anti-UV penetration, heat, coldness, light and oil resistant, etc., also should be odor-free and non-toxic and can protect objects packed with it intact.

  (2) Operating performance
  Packaging material should have certain rigidity, heat sealing and anti-static performance, certain degree of finish, plasticity and weldability, and should be easy to open, easy to process, easy to fill in, easy to open and close, etc. and should be suitable for operating in automatic packaging machinery, achieving high production efficiency.

  (3) Added value performance
  Packaging increases the added value of the commodity. Good packaging greatly enhances the value and use value of the commodity. Especially, as sales packaging material, it should have good transparency, glossy surface, beautiful modeling and color, and excellent display effect, so as to improve commodity value and consumers’ desire to buy.

  (4) Convenient usability
  No matter what kind of material is used to pack commodities, the basic requirement is it should be easy to open and fetch objects packed in and easy to re-close; have good open performance, and not be broken or damaged easily.

  (5) Cost-reducing performance
  Backward packaging not only increases costs but cannot reach the desired effect, so it is not desirable. In actual application, when selecting any packaging material and method, in addition to the above several requirements should be considered, attentions should also be paid to saving packaging material costs and packaging machinery costs, labor costs, etc. It is better to use the most suitable material, take the most reasonable packaging method and obtain the best results.

  (6) Adaptability to commodity nature
  Commodity packaging must be compatible with the nature of the commodity. Take silk for example, some meets customers directly in the store; some enters factories for processing and finishing or made into clothes, so their packaging should be different. Packaging of the former should be more particular, so as to highlight the quality features of silk; and it is required that the latter should be smooth, not wrinkle and easy to open and close, so as to facilitate factory processing. Another example is PU foam-in-place pad technology is newer technological achievement. Using it can improve commodity value and protect commodity security. But using such packaging should be molding gradually and costs high costs and more time, so it is only used for packaging valuable carvings, antique porcelain and other precious crafts. General crafts, such as wood carvings and ornaments, still use PE plastic and bubble film.

2. Features and application of main packaging materials
  (1) Paper and cardboard
  Paper and cardboard are pillar traditional packaging materials boasting large consumption and a wide application range. Their output value accounts for about 45% of the total output value of packaging. Paper and cardboard have the following features:

    1. Appropriate strength, impact resistance and abrasion resistance.
    2. Good sealing property, easy to be clean.
    3. Excellent formability and folding performance; all kinds of processing methods can be applied; and mainly used in mechanical and automatic packaging production.
    4. The best printability, so they can be used to introduce and beautify commodities.
    5. Lower price and lightweight, so they can reduce the costs of packaging and transportation.
    6. Easy to dispose after use, recyclable, reusable and regenerated; will not pollute the environment and can save resources.

  But paper and cardboard also have some fetal weakness, for example, it is difficult to seal; fastness declines after becoming damp, and has poor air tightness, moisture resistance and transparency, so, they are also restrained in certain packaging applications.

  Large packaging containers made of paper and cardboard mainly include cartons, paper boxes, paper buckets, paper bags, paper cans, paper cups and paper trays, which are widely used in transport packaging and sales package. Among paper packaging containers, the most used are corrugated boxes, whose share is over 50%. In transport packaging, corrugated boxes are replacing traditional wooden boxes gradually and widely used for packaging daily necessities, household appliances, clothing and shoes, fruit, vegetables, etc. At present, corrugated box is developing towards standard specification, professional function, reducing weight and improving compressive strength. Other paper packaging containers are often used in sales package, for example, food, medicine, clothing, toys and other household items. Paper boxes can be made into windowed, swing cover type, drawer type, etc. and decorated in the surface and thus having better display effect. Paper buckets are solid and durable and can hold granule, block and powder commodities. Paper bags cover a wide range of varieties and have wide uses. Paper cups, paper trays and paper cans are disposable food packaging and widely used because they are cheap, light, convenient and hygeian. Paper cups are generally a kind of small container holding cold drinks. Paper trays are frozen food packaging, can be frozen and heated in microwave oven. Paper cans are made of high-density paperboards, fall into cylinder shaped and cone-shaped and are generally used for holding drinks with a coating. At present, pure paper cans have been replaced by compound cans made of paper, plastic and aluminum foul. Pulp molding packaging is cushioning material made of pulp after molding, die stamping and drying directly, for example molded egg trays, which are used in egg packaging and can reduce egg broken rate during transportation.

  The total raw rubber consumption of the adhesive tape industry in China has ranked first in the world. Great improvement has been made in no matter quantity, scale or overall technical level of China adhesive tape products during the “11th Five-year Plan Period”, but China adhesive tape industry still hasn’t got rid of the extensive form of growth way and had a wide gap compared with the world advanced level. To this end, the Chinese Rubber Industry Association put forward six practical issues to tackle these problems when making the 12th Five-year Plan of the adhesive tape industry.


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