Properties of thermosetting polymers

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State 5 thermosetting polymers

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1

State 5 thermosetting polymers

  • Epoxy

  • Polyester resin

  • Melamine resin

  • Vulcanised rubber

  • Polyurethane

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2

State the properties and uses of epoxy

Properties

  • High strength

  • Stiff

  • Brittle

  • Excellent temperature, chemical and electrical resistance

Uses

  • Printed circuit boards

  • Cast electrical insulators

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3

State the properties and uses of polyester resin

Properties

  • Good strength

  • Stiff

  • Brittle

  • Good temperature, chemical and electrical resistance

  • Cheaper than other resins

Uses

  • Bonding or encapsulation of other materials

  • Suitcases/luggage

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4

State the properties and uses of melamine resin

Properties

  • Stiff

  • Hard

  • Strong

  • Resistance to some chemicals and stains

Uses

  • Laminate coverings for kitchen worktops

  • Impact resistant plastic plates

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5

State the properties and uses of polyurethane

Properties

  • Hard

  • High strength

  • Flexible

  • Tough

  • Low thermal conductivity

Uses

  • Hoses

  • Foam insulation panels

  • Surface coatings

  • Sealants

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6

State the properties and uses of vulcanised rubber

Properties

  • Elastic

  • Higher tensile strength

  • Resistance to abrasion and swelling

Uses

  • Bouncing balls

  • Tyres

  • Shoe laces

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