Crystalline thermoplastics can generally be used in applications exposed to temperatures above their glass transition temperature, T g . This is because:

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the crystal increase the amount of covalent crosslinks

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the crystals act as crosslinks and maintain a high modulus above the T g

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the crystals increase the glass transition temperature

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the amorphous regions stay frozen in above the glass transition

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Crystalline thermoplastics can generally be used in applications exposed to temp...

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