Front Cover
Handbook of Foaming and Blowing Agents
Table of Contents
Copyright Page
Chapter 1. Introduction
Chapter 2. Chemical Origins of Blowing Agents
2.1 Activators
2.2 Azodicarbonamide
2.3 Crosslinkers
2.4 Dinitroso pentamethylene tetramine compounds
2.5 Dispersions in polymers carriers
2.6 Foaming agent mixtures with other additive(s)
2.7 Gases
2.8 Hydrazides
2.9 Hydrocarbons
2.10 Hydrochlorcarbon
2.11 Hydrochlorofluorocarbon
2.12 Hydrofluorocarbons
2.13 Hydrofluoroolefins
2.14 Masterbatches
2.15 Microspheres
2.16 Mixtures of foaming agents
2.17 Nucleating agents
2.18 Proprietary
2.19 Salts of carbonic and polycarboxylic acids
2.20 Sodium bicarbonate
2.21 Sulfonylsemicarbazides
2.22 Tetrazoles
2.23 Water
References
Chapter 3. Mechanisms of Action of Blowing Agents
3.1 Mechanisms of foaming by decomposing solids
3.2 Production of gaseous products by chemical reaction
3.3 Foaming by gases and evaporating liquids
References
Chapter 4. Dispersion and Solubility of Blowing Agents
References
Chapter 5. Parameters of Foam Production
5.1 Amount of blowing agent
5.2 Clamping pressure
5.3 Delay time
5.4 Desorption time
5.5 Die pressure
5.6 Die temperature
5.7 Gas content
5.8 Gas flow rate
5.9 Gas injection location
5.10 Gas sorption and desorption rates
5.11 Internal pressure after foaming
5.12 Mold pressure
5.13 Mold temperature
5.14 Operational window
5.15 Plastisol viscosity
5.16 Saturation pressure
5.17 Saturation temperature
5.18 Screw revolution speed
5.19 Surface tension
5.20 Time
5.21 Temperature
5.22 Void volume
References
Chapter 6. Foam Stabilization
References
Chapter 7. Foaming Efficiency Measures
7.1 Cell size
7.2 Cell density
7.3 Cell wall thickness (average)
7.4 Foam density
7.5 Expansion ratio (by volume)
7.6 Open cell content
7.7 Void fraction
References
Chapter 8. Morphology of Foams
8.1 Bimodal morphology
8.2 Cell density
8.3 Cell morphology
8.4 Cell size
8.5 Cell wall thickness
8.6 Closed cell
8.7 Core & skin thickness
8.8 Morphological features of foams
8.9 Open cell
References
Chapter 9. Foaming in Different Processing Methods
9.1 Blown film extrusion
9.2 Calendering
9.3 Clay exfoliation
9.4 Compression molding
9.5 Depressurization
9.6 Extrusion
9.7 Free foaming
9.8 Injection molding
9.9 Microwave heating
9.10 Rotational molding
9.11 Solid-state foaming
9.12 Supercritical fluid-laden pellet injection molding foaming technology
9.13 Thermoforming
9.14 UV laser
9.15 Vacuum drying
9.16 Wire coating
References
Chapter 10. Selection of Foaming and Blowing Agents for Different Polymers
10.1 Acrylonitrile-butadiene-styrene
10.2 Acrylonitrile-butadiene-acrylate