Presentation is loading. Please wait.

Presentation is loading. Please wait.

The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Understanding Thermoset Plastic Materials Prepared by the IAPD.

Similar presentations


Presentation on theme: "The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Understanding Thermoset Plastic Materials Prepared by the IAPD."— Presentation transcript:

1 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Understanding Thermoset Plastic Materials Prepared by the IAPD Education Committee (Module 6) Presented courtesy of Modern Plastics Inc.

2 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Thermosets Resin Thermoset vs. thermoplastic

3 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Thermosets Types Laminates Composites Polyurethanes

4 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Thermoset Laminates Phenolics Epoxies Melamines Silicones Polyesters Composites

5 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Laminates Key Characteristics Corrosion resistant Good insulating characteristics at low temperatures Good machinability

6 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Laminates Process Heat and pressure applied to the top and bottom of the material. Resin Binder Reinforcing Substrate

7 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Laminates Types Paper based Cotton based Glass based Synthetic fabric based

8 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Phenolic Laminates Strengths High degree of resistance to deforming under load Can withstand 149°C/300°F continuously One of the hardest plastics available Cross-linked phenolics are very resistant to compressive loads

9 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Phenolic Laminates Limitations Brittleness Impact resistance Moisture resistance is limited Resins darken when exposed to heat and ultra violet light

10 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Phenolic Laminates Types Paper based –Grades X, XX, XXX, XP, XXP, XXXP, XPC, XXPC and XXXPC Cotton based –Grades C, CE, CYB, L, LE, LYB, LM

11 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Phenolic Laminates Applications Wiring devices Switch gear Circuit breakers Insulators Gears Wear guides Pulleys Rollers

12 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Epoxy Laminates Strengths Offer virtually no water absorption Good insulating and electrical properties Excellent dimensional stability Good temperature and chemical resistance

13 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Epoxy Laminates Limitations Brittle Poor UV resistance Poor weathering resistance

14 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Epoxy Laminates Types G-10 FR-4 G-11 FR-5

15 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Epoxy Laminates Applications Electrical insulators Circuit board backing Construction Aviation/aerospace

16 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Melamine Laminates Strengths Made from melamine and formaldehyde resins Usually used as a laminate with cloth Easily produced in an unlimited range of colors Good electrical properties under humid conditions Excellent arc-tracking resistance Excellent compressive strength Good physical properties Very good solvent resistance Can withstand temperatures of 204°C/400°F Good chemical and weather resistance Strong mechanical properties

17 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Melamine Laminates Limitations Can be attacked by strong acids Brittleness Poor resistance to organic solvents Difficult to bond High cost

18 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Melamine Laminates Types G-5 G-9

19 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Melamine Laminates Applications Welding rod holders Heavy duty switch gears High temperature switches Electrical insulators

20 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Silicone Laminates Strengths Retain properties over a wide temperature range Remain flexible down to negative 16ºC/60ºF High degree of biocompatibility

21 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Silicone Laminates Limitations Tensile strength low Abrasion resistance low Swell in oils, fuels and other solvents

22 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Silicone Laminates Type G-7 (glass cloth reinforced silicone)

23 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Silicone Laminates Applications Sealants Gaskets Medical

24 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Laminates Strengths Low cost Good arc and track resistance

25 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Laminates Limitations Lower abrasion resistance Brittle Great change to electrical properties in humid environments

26 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Laminates Types GPO-1 GPO-2 GPO-3

27 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Laminates Applications Structural profiles Sodering pallets

28 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Composites - Thermosetting Matrix History Definition

29 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Composites Materials Polyester and vinyl esters Epoxy Bismaleimides (BMI) Polyimides Polyureas –Cyanate ester and phenolic triazine (PT)

30 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane (PUR) Strengths Good abrasion resistance Good toughness Very high tear resistance High load bearing ability High impact resistance Good elastomeric memory

31 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane Limitations Hot water limitation 82°C/180°F Poor chemical resistance to strong acids, bases and certain solvents

32 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane and the Environment TDI MDI Processes

33 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane Hardness Chart

34 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane Applications Automotive Building and construction Furniture and mattresses Insulation for refrigerators, shipping containers, tanks, pipes

35 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane Urethane Types Polyether Polyester

36 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyether Urethane Strengths Better water resistance Better dynamic properties Better low temperature properties

37 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyether Urethane Limitations Lower abrasion resistance than polyesters Stiffer material than polyesters More likely to tear

38 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyether Urethane Applications Bushings Idler rollers Printing machine rolls Hydraulic seals Elevator wheels Paper mill rolls

39 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Urethane Strengths Higher physical properties Generally softer than polyether Stronger cut and tear resistance Better oil and heat aging resistance Meets FDA requirements for wet food applications

40 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Urethane Limitations Poor resistance to hydrolysis (moisture absorption) Less resilient than polyethers Poor low temperature performance

41 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyester Urethane Applications Cutter bars on printing machines Wear pads Tumbler liners Squeegees Office equipment rollers

42 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Polyurethane's Product Range Comparisons to Other Materials

43 The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 The End


Download ppt "The International Association of Plastics Distributors The IAPD Plastics Primer, Module 6 Understanding Thermoset Plastic Materials Prepared by the IAPD."

Similar presentations


Ads by Google