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XuetangX

纸张物理学

via XuetangX

Overview

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Paper Physics is a fundamental professional course for students majoring in light industry technology. It is preceded by courses such as Pulp Principles and Engineering, Papermaking Principles and Engineering, Packaging Materials, and Printing Materials. As a core course in the newly established curriculum system aimed at cultivating high-level light industry technology innovators for the 21st century, this course serves as a bridge connecting theoretical knowledge with engineering practice, and from basic principles to specialized fields. It is a crucial foundational course for multiple professional courses in light industry technology and related disciplines, playing a vital role in developing students’ professional competence and engineering capabilities.

Adhering to the educational philosophy of fostering virtue and nurturing talent, the course integrates professional knowledge with ideological and political education in a seamless and subtle manner. It aims to cultivate students’ sense of responsibility and patriotism, and to guide them in forming correct values and outlooks on life.

As an engineering science course, it applies principles of natural science to examine, explain, and address practical engineering problems in the papermaking process. Through classroom instruction, students are expected to master the physical properties of paper, especially the structure and performance of paper, and the relationship between them. Centered on the physical characteristics of paper, the course explores how different structures and properties affect product quality, enabling students to understand and apply specific operational measures to control various physical properties of paper and ultimately achieve desired product performance.



Syllabus

  • Overview
    • 0.1 Paper physics and paper performance
    • 0.2 Mechanical properties of paper
    • 0.3 Physical properties of pape
  • Chapter 1 Paper Structure
    • 1.1 Fibre network
    • 1.2 Stochastic nature of paper structure
    • 1.3 Network model for paper elasticity
    • 1.4 Fibre orientation
    • 1.5 Summary and Appendix
  • Chapter 2 Fibers and Bonds
    • 2.1 Introduction
    • 2.2 Fibre wall structure and properties
    • 2.3 Binds between fibers
    • 2.4 Fibres in paper and their interactions
  • Chapter 3 Paper bulk and surface
    • 3.1 Paper bulk and definition
    • 3.2 Factors to determine the paper bulk
    • 3.3 Case Study- Bulk improvement strategies and applications in the papermaking process
    • 3.4 Paper roughness and definition
    • 3.5 Case Study: Main factors affecting roughening of paper in coating and printing
  • Chapter 4 Optical properties of Paper
    • 4.1 Introduction: Paper appearance
    • 4.2 Optical properties and their measurement
    • 4.3 Theory of light propagation and scattering in random media
    • 4.4 Light scattering in particle system
    • 4.5 Light reflection from random surfaces
  • Chapter 5 Moisture absorption properties
    • 5.1 Absorption & desorption of moisture
    • 5.2 Hygroexpansivity and dimensional stability
    • 5.3 Paper curl
    • 5.4 Cockling and fluting
    • 5.5 Summary
  • Chapter 6 Printability of paper
    • 6.1 Web transport
    • 6.2 Pressroom runnability
    • 6.3 The concept of printability
    • 6.4 Printability of field prints
    • 6.5 Printability of half-tone prints
  • Final exam

    Taught by

    Tianjin University of Science&Technology

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