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Thermal Paper Carbon-free Composite Paper
Jul 24, 2017

Thermal Paper Carbon-free composite paper

Thermal paper is carbonless composite paper "Terminator", and carbon-free composite paper as widely used, who mastered the production of thermal paper technology, will master the future market. All along, the global thermal paper cutting-edge technology for Japan, Germany monopoly, the domestic production of thermal paper business long-term hovering in single digits, special thermal paper production enterprises is very few. Thermal paper domestic market is almost Japan, Germany and the two brands occupied, carved up.

Thermal paper is widely used in express labels, lottery tickets, train tickets, movie tickets, boarding pass, all kinds of bills, ECG recording paper, bank ATM, self-adhesive labels, cash registers, fax machines and other fields.

The e-commerce industry set off a tide of changes in the logistics management of the electricity business, the explosive industry's explosive growth to bring enough space for the thermal paper market.

The significant change in the pattern of this market in 2012, a little-known domestic brand "tuna" to 13,000 tons of market share caused by the industry's attention, but also attracted the attention of competitors, because the national thermal paper demand Less than 120,000 tons.

In 2014, special thermal paper technology and Jiangsu University jointly set up a joint experimental center, to achieve the local transformation, technology is mature. There is technology, a market, business success into a multiplier output value of the channel. However, Montblanc did not blindly expand production capacity, nor did it increase the pursuit of high-end market (high value-added) of thermal paper, but locked in large data integration, Internet economy, modern logistics three areas, the market expansion.

Thermal printing paper is a kind of processing paper, its manufacturing principle is in the quality of the base paper coated with a layer of "thermal coating" (thermal color layer). Thermal paper coating in the thermal components are mainly two: one is a leuco dye or leuco dye; the other is a color reagent. This type of thermal paper is also known as two-component chemical type thermal recording paper.

    Often colorless dyes: crystalline violet lactone (CVL), benzalkane system, colorless phthalocyanine blue (BLMB) or spiropyran system and the like.

    Commonly used dispersant: Polyvinyl alcohol L-3266 (manufactured by Nippon Synthetic Chemical Industry).

    Common topcoat and primer additives: Polyvinyl alcohol T-350, Polyvinyl alcohol NM-11, Polyvinyl alcohol GL-05 (manufactured by Nippon Synthetic Chemical Industry).

    Commonly used developer: p-hydroxybenzoic acid and its esters (PHBB, PHB), salicylic acid, 2,4-dihydroxybenzoic acid or aromatic sulfone and other substances.

    Thermal printing paper printing principle:

    Print the heat in the print head under the action of the hot paper sensitive parts of the ink (colorless dye and the color of the chemical reaction to produce color), does not heat the parts do not change color, thus forming a text or bar code, to print purpose. It is noteworthy that the ordinary thermal paper on the color of the handwriting is unstable, easy to fade, resulting in difficult to identify the contents of the file, so thermal paper is not suitable for long-term preservation. Now good thermal printing paper can be printed at room temperature, to avoid direct sunlight conditions for 5 years, now more can save 10 years of long-term thermal paper, but if the heat-sensitive coating formula is unreasonable, may only Can save for months.

    The structure of thermal printing paper

    Thermal printing paper is generally divided into three layers, the bottom of the paper base, the second layer for the thermal coating, the third layer for the protective layer, the main impact of its quality for the thermal coating or protective layer.


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