Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-09-28
1992-11-17
Short, Patricia
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525397, 525419, 525434, 525437, 525439, 525450, 525462, 525471, 525534, 525535, 525537, C08L 6703, C08L 6900, C08L 7112, C08L 8106
Patent
active
051644584
ABSTRACT:
High performance engineering polymer (HPEP) compositions are disclosed containing a HPEP and a polymeric polyvalent metal aromatic polycarboxylate where the polymeric carboxylate is dispersible, non-migratable, non-extractable and heat stable at processing temperatures of the HPEP. The compositions offer the physical properties of high mechanical strength, durability, toughness, chemical resistance and high temperature performance, among others. The engineering polymers are wholly aromatic polymers having aromatic rings forming the main chain of the polymer and devoid of methylene groups in the main chain. Polymeric metal carboxylates such as calcium terephthalate are employed as the high temperature additive in an effective amount for extending the engineering polymer while substantially maintaining or improving its engineering properties.
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Jennings Thomas C.
Tanno David M.
Short Patricia
Synthetic Products Company
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