“chemical engineering”

Associated Professor Mārcis Dzenis

Course description: 3 Credit units; 48 hours (32 lectures, 16 laboratories darbi)

Control forms: exam
Course content:

• 
  Inorganic and organic pigments, extenders, dyes, lacquers, varnishes and paints - definitions, functions and classification. Their part and development at different periods of mankind.
  
• 
  Pigments production methods. Factors determining colour of pigments and dyes. Chemical, physical, phisicochemical and technological properties of pigments. Pigments crystal structure, crystalline forms; polymorphism and polymorphic transformations, opacity, hiding and translucent pigments, their use in paints; oil absorption, dispersity, whiteness, staining and lightening power. Pigment volume content, its influence on coating properties.
  
• 
  Formulation of water colours, temperas, encaustics, pencils, pastels, oil paints, Indian inks and inks, characterisation of pigments, dyestuffs and binders in these compositions. Thermostable pigments. Use of ceramic pigments in production processes of ceramic materials. Other functional pigments, their action in different type coatings.
  
• 
  Natural dyestuffs. Acid, mordant, premetallized, basic, direct, reactive, vat, sulfur and disperse dyes, their properties and use for leather and textiles dyeing, interaction with binders and fibres (surface).
  
• 
  Identification and investigation of pigments, methods and ways.
  

Literature:

1. 
   R. D. Harley. Artists^, Pigments c.1600-1835. A Study in English Documentary Sources. Butterworth Scientific, 1982. -236 p.
   
2. 
   R. Ashok. Artists^, Pigments: A Handbook of Their History and Characteristics. Oxford University Press, 1986. -231 p.
   
3. 
   L. B. Rbgkbr. Nt[ybrf ;bdjgbcb. Xfcnm 1. Rhfcjxyst vfnthbfks ;bdjgbcb. - K.-V.% Bcreccndj> 1938. -164 c.
   
4. 
   T. A. B. D. Hbcrby. {bvbz b nt[yjkjubz gbuvtynjd. - K.% {bvbz> 1974. -656 c.
   
5. 
   G. B. Tthvbkjd> T. F. Byltbrby > B. F. Njkvfxjd. Gbuvtyns b gbuvtynbhjdfyyst kfrjrhfcjxyst vfnthbfks. - K.% {bvbz> 1987. -200 c.
   
6. 
   B. F. Ujhkjdcrbq> T. F. Byltbrby> B. F. Njkvfxjd. Kf,jhfnjhysq ghfrnbrev gj gbuvtynfv b gbuvtynbhjdfyysv kfrjrhfcjxysv vfnthbfkfv. - K.% {bvbz> 1990. -240 c.
   
7. 
   A. Fritz, J. Cant. Consumer Textiles.-Oxford University Press, 1994. 647 c.
   

Biopolymers and technology

ĶPĶ 533

Assistant Professor Velta Tupureina

Course description: 2 Credit units; 32 hours (16 lectures, 16 laboratories)

Control forms: Exam
Course content:

• 
  Biopolymers. Nucleic acids. Proteins.
  
• 
  Structure of polypeptides and proteins.
  
• 
  Ferments. Chemical synthesis of ferments and polypeptides.
  
• 
  Chemical synthesis of nucleic acids.
  
• 
  Biomedical polymers. Physiologically active polymers.
  
• 
  New and traditional polymers.
  
• 
  Poly(-hydroxyalcanoates) - biocompatible polymers. Production, structure and properties, modification.
  
• 
  Medical polymers. Chemical structure, types of articles, application.
  
• 
  Chemistry and biochemistry of biodegradation processes of polymers.
  
• 
  Hydrolyses of synthetic biodegradable polymers.
  
• 
  Microbial polyesters, types of degradation processes.
  
• 
  Biodegradable biomaterials, technology of recycling processes.
  
• 
  Testing methods of plastics biodegradability characterization.
  

Literature:

1. 
   <иjgjkиvths. Htl. ?.Bvfyиcи. Gth. c zgjgcrjuj. Gjl htl D.D.Rjhifrjdf> B.F.Zvcrjdf.- V.,Vиh. 1988, 544 c. (in Russian).
   
2. 
   Biotechnology and Polymers. Ed. by C.G.Gebelein.-N.-Y.& London. Plenum Press, 1991, pp.351
   
3. 
   Chemistry and Technology of Biodegradable Polymers. Ed. by G.J.L.Griffin., N.-Y.&London, Chapman & Hall, 1994, pp.154.
   
4. 
   Microbial Bioproducts. - Berlin, Heidelberg, Springer-Verlag.
   
5. 
   H.Planck, M.Dauner, M.Renardy. Medical Textiles for Implantation.
   

Conservation/restoration of Archaeological objects

ĶPĶ 549

Lecturer Sarmīte Gaismiņa

Course description: 2Credit units; 32 hours (16 lectures, 16 practice)

Control forms: test
Course content:

• 
  Principles and theory of lifting of archaeological finds (materials). Necessary materials and appliances for lifting and transportation of artefacts. Excavation techniques.
  
• 
  Division of archaeological materials into groups and subgroups. Metals, ceramics, glass and stone. Organic materials of vegetable and animal origin. Characteristics of material groups. Processes, taking place (proceeding) into different soils. Typical decay (deterioration) of materials.
  
• 
  Cleaning and consolidation methods. Principles and methods of restoration. Principles of reconstruction.
  
• 
  Historical methods and materials for restoration. Trends of development of restoration methods. Demands for materials and restoration.
  
• 
  Tools, equipment and apparatus used in restoration, service (maintenance) regulations (rules). Rules of safety, working with injurious (harmful) chemicals, preparation of solutions, storage conditions.
  
• 
  Demands for restoration process documentation - photofixation, inscribes in working journal (diary), filling of restoration certificate.
  
• 
  Dirt, soil remnants and loose corrosion products separation from archaeological metal items with mechanical methods. Determination of chlorine ions into corrosion products.
  
• 
  The simplest desaltification and passivation methods for iron, copper and its alloys. The simplest cleaning methods, including chemical, for metals and silicate materials.
  
• 
  Desinfication and first treatment of organic materials.
  

Literature:

1. 
   R. Peiton. Retrieval of Objects from Archaeological Sites. In: On-Site Conservation Techniques: Lifting Techniques. - Wales: Archetype Publications, 1992.
   
2. 
   H.B. Madsen. Handbook of Field Conservation. - Copenhagen: School of Conservation, 1994.
   
3. 
   J.M. Cronyn. The Elements of Archaeological Conservation. - London: Routldge, 1990. -326 p.
   
4. 
   C. Sease. A Conservation Manual for the Field Archaeologist. - UCLA Institute of Archaeology, 1987.
   

The new technologies of high temperature materials

ĶST 404