Finnishing Technology of Paper and Board (5 cr)

Objectives (course unit)

The student knows
- targets of coating and surface sizing
- raw materials of coating
- the coating and surface sizing technology of paper and paper boards. - the interaction between the properties of coated paper and the coating color raw materials
- plan and calculate coating colour formula
- applying and metering methods and drying strategy of coating layer, process and quality control of coating.

Content (course unit)

- raw materials
- coating colour formula
- applying and metering coating layer
- drying of coating layer
- surface sizing
- process and quality control
- coated paper and paper board
- new intelligent coated products.

Exam schedules

March 2016

Evaluation methods and criteria

Evaluation:
Examination
Laboratory work
Activiness in lessons (> 80% -> 4 p.),
tasks,
Grades 1-5

Teaching methods

Contact lessons,
Own work
Tasks, interactive studing
Laboratory work

Learning materials

Material in coating technology course
FAPET: Pigment Coating and Surface Sizing of Paper
KnowPap

Student workload

Theory of finishing technology 30 h,
Laboratory work 40 h

Content scheduling

Week 2 Introduction, Implementation,
Task: Introduction and history to the pigment coating and surface sizing,
Coated products, base paper and paper board:
Week 2 and 3
Raw materials of coating colour: coating pigments, binders,
co-binders and thickeners and additives;
The preparation of coating pigments and other raw materials,
Week 3 and 4
Composition on coating colour
Coating color recipe, planning and calculation of recipe.
Coating colour preparation, Testing of coating colour, Rheology of
coating colour slurries
Week 5 and 6 Coating technology: Coating methods; Coating ma-chine operations , Task in moodle
Week 7 and 8 Coating layer formation and structure and measure-ments of coating layer, Drying and calandering of paper coatings Process control and automation
Week 9 Season holiday
Week 10 Surface sizing: Coating colour of surface sizing, Surface sizing technology and methods, Examination
Week 11 Coating laboratory work ,
Week 12 Coating laboratory work
Week 13 Coating laboratory work
Week 14 Coating laboratory work
Week 15 Coating laboratory work
Week 16 Coating laboratory work
Week 17 Coating laboratory work
Week
30 + 40 h

Completion alternatives

Student can substitute this course with the coating course (unversity level).

Assessment criteria - excellent (5) (Not in use, Look at the Assessment criteria above)

Student can choose raw materials for the different coating colour formulas. Can plan the different coating colour used in different applications.
Can calculate coating colour or surface sizing reciepes. Can understand and use the parameters of coating process (eg. coating machine).
Can produce technicaly high level the written reports.