StudentLecture_25

StudentLecture_25 - CHM 11500 T Lecture 25 Polymer...

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CHM 11500 T Lecture 25 Polymer Properties Polymer properties determined by structure: linear, branching, cross linking side chains intermolecular forces H - bonding Dipole-dipole attractions London forces Ion-Dipole attractions Let’s see some properties.
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____________________________________ (C 6 H 7 O 11 N 3 ) 2 3 CO 2 + 9 CO + 7 H 2 O + 3 N 2 __________ ____________ HNO 3 , H 2 SO 4
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Packing Peanuts ________ _____________ ___________ ___________ ________ ________
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______________________
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_____________________________ (absorbs oil) A _______________ of acrylic acid and sodium acrylate ____________ sodium polyacrylate _____________ _____________ _______________
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_____________________________ (absorbs water) _________________
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___________________ (ghost crystals) Acrylamide n Polyacrylamide One pound of cross-linked polyacrylamide will absorb 48-55 gallons of rainwater
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Gak _______ (a protein from milk) + _______ _________ ______________ Gak + borate ________________ polymer
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Polyvinyl alcohol Boric acid or a borate Slime, a cross- linked polymer
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Question #1 A High density polyethylene B. Poly-(vinyl chloride) C. Polystyrene D. Sodium polyacrylate E. Polystyrene-block-polybutadiene
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StudentLecture_25 - CHM 11500 T Lecture 25 Polymer...

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