When special paper printing is used for grouping, since this kind of work belongs to special printing, there are certain requirements for printing design. Here is a detailed description of the printing design requirements for several types of paper.
1. Embossed paper (1) The characteristics of embossed paper adopt mechanical embossing or wrinkle paper to form a concave and convex pattern on the outline of paper or cardboard. The embossed paper is embossed to improve its decorative effect and make the paper more textured. In recent years, the embossing of the profile of printing paper has become more and more extensive, and color-dyed paper such as offset paper, coated paper, slash paper, and slash paper is embossed (printed) before printing, as "embossed printing paper". It can improve the grade of paper and bring higher added value to the sale of paper. Many papers used for flexible packaging often take the form of embossing before or after printing, improving the visual consequences of the package and improving the value of the product. The embossing process has become a major method of paper processing.
(2) Processing method of embossed paper There are two ways to process embossed paper. First, after the paper is produced, the pattern is added by mechanical means to become embossed paper; secondly, after the flat sheet of raw paper is dried, it is put into the embossing machine for further processing, and then the two rollers are pressed, one of which is rolled. The shaft is engraved with an embossed pattern, and the paper is embossed as a pattern after the end of the paper. Because the texture of the embossed paper is deeper, it is the side that only stamps the paper.
(3) Embossing type embossing can be divided into two types: plate embossing and non-plate embossing. The so-called plate embossing is based on the printed flower shape, and the printed flower shape is pressed into a concave-convex shape, which makes the markings come up and can be used as an elegant decoration.
The embossing is not directly related to the pattern of the print, and there are many types of embossed markings. Such as cloth, diagonal cloth, straight stripes, yalian net, orange skin, straight net, needle net, egg skin, sack pattern, plaid, leather, scalp, summer cloth, gear stripes and so on. This overprint embossing is commonly used for embossed printing paper, coated cover paper, patent leather, plastic synthetic paper, plant parchment and other decorative materials.
The domestic embossed paper department is made of offset paper and slash paper. The profile is rough, textured, expressive, and varied. Many art designers prefer to use such papers to create a cover or title page of a book or album to express their disagreement.
2. Plant parchment (sulphuric acid paper)
Plant parchment is a kind of denatured processing paper which treats the thick paper of plant fiber with sulfuric acid and transforms it into its original nature. It is semi-transparent, the paper has few air drums, the paper is tough, prudent, and can be waxed, coated, embossed or wrinkled. It is easy to mix with tracing papers.
Due to the translucent paper, sulphuric acid paper is often used as a lining or backing paper in modern design, such as permission to better bulge and set off the theme, and suitable for modern tidal water. Sometimes used as a title page for a book or album.
3. Synthetic paper (polymer paper and plastic paper)
Synthetic paper is made of synthetic resin (such as PP, PE, PS, etc.) as an important raw material. The resin must be melted by the process, extruded and stretched to form a film, and then disposed of behind the paper to pay for its natural plant fiber. Information obtained from swordsmanship, opacity and printability. General synthetic paper is divided into two years and nights: one is fiber synthetic paper, and the other is film-based synthetic paper.
Synthetic paper is no different from ordinary natural plant fiber paper on the outside. Film-based synthetic paper has entered the market of high-grade printing paper, and it is possible to conform to a variety of printing machines. Synthetic paper used on the market at this time merely refers to a film-based synthetic paper. If a book, a confession, a copy, etc. printed on synthetic paper is not marked, the average consumer cannot see how it differs from the popular paper.
Synthetic paper has excellent printing function, and does not produce "breaking paper" phenomenon during printing; the profile of synthetic paper is very small and uneven, which is very helpful for improving opacity and printability; synthetic paper image reproduction is good The outlets are clear, the color tone is soft, the ruler is slightly stable, and it is not easy to age. It is worth noting that when using offset printing, professional synthetic paper offset inks should be used.
Specialty paper is a paper with special use and a small output. There are many types of special papers, which are the general term for all kinds of special papers or art papers. At the moment, the sellers refer to art papers such as embossed paper as special papers. The important thing is to simplify the disorder caused by the variety. There are many kinds of special papers, and the design consequences are not the same. This article briefly introduces the attention of art paper printing design.
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