High temperature resistant molding materials

Details High temperature resistant molding materials High temperature resistant molding materials

1987-04-16

1988-08-09

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524611, 524413, 524431, 524420, 524423, 524444, 524418, 524425, 524404, 524492, 525537, 525534, 525535, 528 99, 528391, 528104, 528171, 528174, 528218, 528219, C08L 9500

Patent

active

047628693

ABSTRACT:
High temperature resistant molding materials containing
(A) 5-95 mol % of blocks having the structural unit I ##STR1## (B) 5-95 mol % of blocks having the structural unit II ##STR2## (C) 0-80 mol % of blocks having the structural unit III ##STR3## the molecular weight of the blocks being within the range 2000-20,000, where X is --O--, --S--, ##STR4## (only if a or b.noteq.0), ##STR5## (R.sup.7 =R.sup.8 =CH.sub.3 only if a or b.noteq.O) or a chemical bond, R.sup.7 and R.sup.8 are each alkoxy or alkyl of 1-6 carbon atoms, aryl or hydrogen, Q and W are each ##STR6## Z is --O-- or a chemical bond and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each alkyl or alkoxy of 1-6 carbon atoms, aryl, Cl or F and p, q and r are each 0 or 1 and a, b, c, d and e are each 0, 1, 2, 3 or 4.

REFERENCES:
patent: 4020046 (1977-04-01), King et al.
patent: 4654410 (1987-03-01), Kashiwame et al.

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