Blotting paper
Blotting paper (including tissue paper or blotting paper, blotting paper or absorbent paper ) is a non-sized and little virgin paper. Because of this loose structure, it forms fine capillaries that liquids (such as ink) absorb quickly.
History
Blotter paper is mentioned in the Orbis pictus of John Amos Comenius sensualium, but even a long time the writing was sand (also called grit ) related. 1827 is a description of blotting paper in the Brockhaus Encyclopedia conversation.
Spreads particularly blotting paper in school, as the manufacturer of exercise books almost every issue, add a loose pickled sheet of blotting paper. In offices and government offices are still occasionally blotter scooter or delete Weigh in use. The blotting paper is to prevent the task of absorbing excess fluids such as ink and printing ink, and unwanted blurring. Due to the increased use of pens and rollerball pens especially in schools or the direct use of electronic means such as personal computers, the use of blotting paper is declining.
Today's conventional coffee filters were originally made of blotting paper.
Blotters and extinguishing weighing
As a result of the invention of the blotter paper spread in the second half of the 19th century so-called " blotters " or " ink weighing". They numbered in the high society soon as a representative desk accessories that ousted the previous grit doses more and more.
Johann Wolfgang von Goethe had for example a box of sand. The brothers Jacob and Wilhelm Grimm had such cans in use, which can be seen in an exhibition of the Germanic National Museum next to exhibits such as the blotter of the German Empress Auguste Viktoria. Such blotter consisted of a wooden cradle ( half-round shape ) on the blotting paper was stretched. The cover plate has been removed to replace the blotting paper.
Production and Properties
Blotting paper does not contain glue and aspirated through the capillary, the ink on. Since students often write with Tintenfüllfederhaltern that serves up pressed onto the still wet ink blotter the accelerated drying of the ink and prevents smearing of the typeface and the contamination of hands and clothing. For the manufacture of bleached paper extinguishing fibers of cotton linters can be used. They are particularly durable ( resistant to light ), soft and absorbent, but mechanical loading. For less high-quality blotting paper is added up to 50 % ground wood pulp from poplar trees or conifers. Blotting paper has the property that it can expand in the absorption of moisture. For white blotting paper a chlorine-free bleaching is utilized. Blotter paper is not additionally compressed in the preparation and drying. Blotting paper is suitable because of its highly absorbent properties for removing wax stains from textiles.