Printer`S Science
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Printer`S Science Syllabus — Unit-wise Content
The official GTU curriculum for Printer`S Science (subject code 4335802) as prescribed for PT · Semester 3 divides the course into 4 units, covering 30 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4335802)Unit 1 Paper and board manufac turing process
- 1.1. Introduction to paper and pulp, cellulose fiber sources, Non fibrous materials: sizing agents, fillers and loading materials, coloring agents, Additives, chemical processing
- 1.2. Manufacturing of pulp, raw material preparation, mechanical pulping, chemical pulping, semi chemical pulping, Screening, cleaning, bleaching
- 1.3. Stages involved in manufacturing of paper, stock preparation, beating and refining metering and blending, addition of non fibrous additives
- 1.4. The construction and working of paper manufacturing machine: flow box, wire section, press section, drier section.
- 1.5. Types of papers: printing and writing papers, uncoated papers, coated papers, new print paper, map litho paper etc
- 1.6. Paper board manufacturing machine,
- 1.7. Finishing treatments: calendaring coating, conditioning, super- calendaring, cutting, slitting, bundling, packing
- 1.8. Paper board – terminology, structure and raw materials used
- 1.9. Functioning of paper board manufacturing machine
- 1.10. Classification of paperboards on different basis
Unit 2 Propertie s of paper and board
- 2.1. Mechanical strength properties: Bending resistance, elongation, hardness, ply bond/scott bond bursting strength, tearing strength, folding strength, tensile strength wet strength, stiffness
- 2.2. Surface properties: water absorbency, smoothness, pick resistance
- 2.3. 3Chemical composition related properties: relative humidity, pH, Moisture content, Ash content
- 2.4. Optical properties: Brightness, color, gloss, opacity, whiteness Printer’s Science Course Code: 4335802
- 2.5. Printing properties: printability and runnability
- 2.6. Structural properties: Basis weight and grammage, caliper and bulk, compressibility and resiliency, dimensional stability, grain direction, curl and sheet flatness, internal bond strength, and porosity
- 2.7. Relative Humidity, Hygrometry, requirements for pressroom and storage, printing requirements, climate, building construction, AC equipment
Unit 3 Film Manufac turing and end use require ment
- 3.1. Classification and application of polymer substrates
- 3.2. Manufacturing process of film: blown extrusion, sheet and film extrusion, co-extrusion process,
- 3.3. Different film material: PE, HDPE, LDPE, PS, PP, PET, PVC,PVOH, EVA, PA, PC etc.
- 3.4. Different resistance properties of polymeric films: tensile strength, tear strength, impact strength, heat seal strength, of, haze and gloss, WVTR, gas permeability, dimensional stability, maximum and minimum use temperature, environmental stress crack resistance
- 3.5. Surface treatments methods used in applications of polymeric films
Unit 4 Printing inks
- 4.1. Classification and general properties of inks used in printing
- 4.2. Pigments: classification, examples and applications
- 4.3. Vehicles: classification, functions and compositions
- 4.4. Resins: natural resins and synthetic resins
- 4.5. Additives: Plasticizers, waxes, wetting agents, stiffening agents
- 4.6. Dryers: liquid dryers, paste dryers, inhibitors, accelerators
- 4.7. General requirement of offset, screen, gravure, flexographic ink
- 4.8. Formulation of offset, screen, Printer’s Science Course Code: 4335802
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