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PVC

PVC PVC . PVC

CD-players , .. high-impact - () ()

styrofoam .

spandex ()

SBS

SBS (- ) , kevlar

. plexiglas Lucite. , ( 33cm), ( ) .

. Corian Gibraltar

. . . . , -

. 1950. . , . , . .

a ( teflon ) , , , . .

Teflon ()

( ) Orlon, Acrilan ... , .

, , . ABS . ( )

ABS (- - ),

. (Mylar)

PETE

, . .

( )

. , , , Lexan. CD . .

:

( C=C ), crosslinking ( ).

, , . ( ) .

() . . . - ( ), , ( ).

() Kevlar to Nomex. Kevlar , , (skating) . Nomex . Kevlar , 500 C, .

: , , cis- trans- :

) , . kevlar cis kevlar trans- crosslinking

trans- , (

. , , . ( ) .

( , block ) ( ) spandex, Lycra. . , , (stretch) spandex

Gore-text jacket: teflon () , .

. , , .

. , () , .. ( ) . .

, .

. .

( ) 2 .

:

2 :

- - . , - . - : - : ( ). - : , , : , .

- ( ) , . : . ( , ) . ( ) .

( ) , , . ( .) . . - (PETE ), Dacron, . . C=O . Dacron . , .

, . . , -.

.

, . , , -

. . , , ( ) . - .( , , .) . teflon .

UHMWPE ( ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE )