PLASTER PRODUCTION EQUIPMENT

Leukoplasty production process

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A band-Aid (Leucoplastrum), or a sticky elastic band-aid smeared (Emplastrum adhaesivum elasticum externum). It is used to hold bandages, to bring the edges of wounds closer together, to stretch the limb in case of fracture, etc. It consists of the following components: 25.7 parts of natural rubber, 20.35 parts of rosin, 32 parts of zinc oxide, 9.9 parts of anhydrous lanolin, 11.3 parts of liquid paraffin and 0.75 parts of neozone D. The adhesive plaster production process includes several stages: the dissolution of natural rubber and rosin in gasoline, the preparation of an alloy of lanolin with liquid paraffin, mixing it with finely ground zinc oxide and the preparation of a paste of anti-oxidant rubber. The application of the finished mass of adhesive plaster to...

Manufacture of pepper patches

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Pepper plaster (EmplastrumCapsici) is a homogeneous sticky mass of yellow-brown color with a peculiar smell, applied to a fabric and covered with a protective layer of cellophane. Currently, a wide range of patches of various sizes is available: 12x18 cm, 10x18 cm, 8x18 cm, 10x15 cm, 4x10 cm, 6x10 cm, etc.The pepper patch has the following composition: 8% thick extract of capsicum, 0.6% thick extract of belladonna, 0.6% tincture of arnica, 22% natural rubber, 21% pine rosin, 18% anhydrous lanolin, 24% petroleum jelly oil and other components.

Industrial production of plasters

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Adhesive plasters "Uniplast fixing", "Bactericidal Veropharm" and "Uniplast bactericidal" Modern industrial production of plasters is characterized by a wide range of products. Therefore, it is not possible to consider in detail in one section the production of all types of plasters. In order to understand the specifics of the technological production of plasters, as well as to get acquainted with the main types of equipment used, as an example, consider the production of adhesive plasters "Uniplast fixing", "Bactericidal Veropharm" and "Uniplast bactericidal", organized at the Voronezh Chemical and Pharmaceutical Plant, which is part of JSC "VEROPHARM". The adhesive plaster "Uniplast fixing" is produced in accordance with international quality standards. It is hypoallergenic, has high breathability, is easily and painlessly removed, easily tears without using scissors...

Equipment for assembling, cutting and packing leukoplastitsa

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Equipment for assembling, cutting and laying adhesive plaster (Leucoplastrum), or elastic external adhesive plaster (Emplastrum adhaesivum elasticum externum). It is possible that the assembly, cutting and capping of a small and medium-sized adhesive plaster is carried out on an automated EURO type in the Italian company EURVSICMA. Depending on the material and size of the patch, the average productivity of the machine is 2000 patches per minute. Let's consider the operation of the machine on the example of the production of adhesive plasters "Uniplast bactericidal" and "Bactericidal Veropharm", which, although they differ in the formulations of adhesive compositions and used antiseptics, have the same production technology.

Classification of patches by composition

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According to the composition of the adhesive masses, plasters are divided into ordinary and rubber. Ordinary plasters (Emplastra Ordinarid) are divided into lead, lead-resin, lead-wax and resin-wax depending on the substances prevailing in the plaster base. These patches contain lead soap as a mandatory component, which has the following positive properties: it has no hardness, is easily fused with resins, waxes and various medicinal substances, and is also stable during storage. A negative property of lead soaps is their non-indifference. A simple lead plaster (Emplastrum Plumbi simplex). The group of lead patches includes a simple lead patch, which is chemically a mixture of lead salts of higher fatty acids (stearic, palmitic and oleic), and also contains traces of unsaponified fats and no more than 3%…

Making rubber patches

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Rubber patches (Collemplastra) are made on the basis of synthetic and natural non-vulcanized rubber. With the addition of resins, balms, fat-like and other substances, such as antioxidants. the advantages of rubber as a plaster base include the absence of an irritating effect on the skin, indifference to many medicinal substances, elasticity, air and moisture resistance. There are also disadvantages — it is weak plasticity and stickiness. Usually, rosin is added to it to eliminate them and make the rubber patch more sticky.

Mustard patches are a type of rubber patch

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They are rectangular sheets of paper measuring 8x12.5 cm, covered on one side with rubber glue and a layer of powder of low—fat mustard seeds 0.3-0.5 mm thick. The powder is obtained from the seeds of black (Semina Sinapis nigra) and Sarepta mustard (Semina Sinapis junceae), which contain the glycoside sinigrin, cleaved under the influence of the enzyme myrosine on glucose, potassium hydrosulfate and essential mustard oil (allylisothiocyanate). This is the most essential mustard oil and causes severe irritation and redness of the skin. Mustard seeds contain up to 35% of fatty oil, the presence of which has a bad effect on the quality of mustard plasters, as it causes rancidity of the powder and worsens their therapeutic effect.