Building Materials, Third Edition

RHV f2w—
—



^22





22

22

Neoprene n

—CH — C CH — CH —

n CH == CCl — CH == CH |

Cl

p2ITW2@™A x

.









^22





332 2

2 3

Isobutylene Isoprene

3

2x2 2

(^33) n
nx CH — C — CH + N CH == C + CH == CH
|||
CH CH

CH

|

—(CH — C —) — CH — C CH — CH —

||

CH CH

p2ITW2@!A f2‚˜˜







(^)
Ethylene dichloride
Thiocol
22
22
n
+Cl CH — CH Cl Na — S — S — Na ..........
||||
SS
—CH —CH —S—S—
||||
SS
p2ITW2@
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24 2 2

Polyethylene

(^122) n
Hypalon
(—C H —)n Cl SO

HHHHHHH H

||||||| |

—C—C—C—C—C—C—C— ——C

||||||| |

HHHHHHH SO

|

Cl

p2ITW2@A r.—